./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_05_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_7ac9ab68-5a26-41b3-b506-bb3a991046fe/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac9ab68-5a26-41b3-b506-bb3a991046fe/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_7ac9ab68-5a26-41b3-b506-bb3a991046fe/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac9ab68-5a26-41b3-b506-bb3a991046fe/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_05_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac9ab68-5a26-41b3-b506-bb3a991046fe/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_7ac9ab68-5a26-41b3-b506-bb3a991046fe/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 2e64ff2e83348263172336f753844a5e365302889cac2169bdd7c45b7ee5c6ed --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 22:02:58,603 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:02:58,605 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:02:58,625 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:02:58,626 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:02:58,627 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:02:58,629 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:02:58,630 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:02:58,632 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:02:58,633 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:02:58,634 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:02:58,635 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:02:58,636 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:02:58,637 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:02:58,638 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:02:58,639 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:02:58,640 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:02:58,641 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:02:58,643 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:02:58,645 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:02:58,647 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:02:58,648 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:02:58,649 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:02:58,650 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:02:58,654 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:02:58,655 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:02:58,655 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:02:58,656 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:02:58,657 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:02:58,658 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:02:58,658 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:02:58,659 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:02:58,660 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:02:58,661 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:02:58,663 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:02:58,663 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:02:58,664 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:02:58,664 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:02:58,665 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:02:58,666 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:02:58,667 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:02:58,672 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac9ab68-5a26-41b3-b506-bb3a991046fe/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 22:02:58,707 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:02:58,712 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:02:58,713 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:02:58,714 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:02:58,715 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:02:58,715 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:02:58,715 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:02:58,715 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:02:58,716 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 22:02:58,716 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:02:58,717 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:02:58,717 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:02:58,717 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:02:58,717 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:02:58,718 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:02:58,718 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:02:58,718 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:02:58,718 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:02:58,719 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:02:58,719 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:02:58,719 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:02:58,719 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:02:58,719 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:02:58,720 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:02:58,720 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 22:02:58,720 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 22:02:58,720 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:02:58,720 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_7ac9ab68-5a26-41b3-b506-bb3a991046fe/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac9ab68-5a26-41b3-b506-bb3a991046fe/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e64ff2e83348263172336f753844a5e365302889cac2169bdd7c45b7ee5c6ed [2022-11-21 22:02:59,026 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:02:59,064 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:02:59,067 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:02:59,068 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:02:59,069 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:02:59,070 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac9ab68-5a26-41b3-b506-bb3a991046fe/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_05_bad.i [2022-11-21 22:03:02,247 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:03:02,712 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:03:02,712 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac9ab68-5a26-41b3-b506-bb3a991046fe/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_05_bad.i [2022-11-21 22:03:02,746 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac9ab68-5a26-41b3-b506-bb3a991046fe/bin/ukojak-jW3SillKbg/data/1b17128a8/d1a7afa62094457981c815eee9f16aaf/FLAGcf610d777 [2022-11-21 22:03:02,765 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac9ab68-5a26-41b3-b506-bb3a991046fe/bin/ukojak-jW3SillKbg/data/1b17128a8/d1a7afa62094457981c815eee9f16aaf [2022-11-21 22:03:02,769 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:03:02,770 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:03:02,774 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:03:02,774 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:03:02,777 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:03:02,778 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:03:02" (1/1) ... [2022-11-21 22:03:02,779 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48046603 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:02, skipping insertion in model container [2022-11-21 22:03:02,779 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:03:02" (1/1) ... [2022-11-21 22:03:02,787 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:03:02,858 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:03:03,236 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 22:03:03,837 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:03:03,848 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:03:03,867 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 22:03:03,936 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:03:04,134 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:03:04,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:04 WrapperNode [2022-11-21 22:03:04,142 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:03:04,144 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:03:04,144 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:03:04,144 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:03:04,152 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:04" (1/1) ... [2022-11-21 22:03:04,202 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:04" (1/1) ... [2022-11-21 22:03:04,232 INFO L138 Inliner]: procedures = 500, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2022-11-21 22:03:04,233 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:03:04,233 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:03:04,233 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:03:04,234 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:03:04,250 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:04" (1/1) ... [2022-11-21 22:03:04,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:04" (1/1) ... [2022-11-21 22:03:04,257 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:04" (1/1) ... [2022-11-21 22:03:04,258 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:04" (1/1) ... [2022-11-21 22:03:04,274 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:04" (1/1) ... [2022-11-21 22:03:04,276 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:04" (1/1) ... [2022-11-21 22:03:04,287 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:04" (1/1) ... [2022-11-21 22:03:04,289 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:04" (1/1) ... [2022-11-21 22:03:04,291 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:03:04,292 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:03:04,292 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:03:04,292 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:03:04,293 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:04" (1/1) ... [2022-11-21 22:03:04,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:03:04,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac9ab68-5a26-41b3-b506-bb3a991046fe/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:03:04,333 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac9ab68-5a26-41b3-b506-bb3a991046fe/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:03:04,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac9ab68-5a26-41b3-b506-bb3a991046fe/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:03:04,375 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-21 22:03:04,376 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 22:03:04,376 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 22:03:04,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 22:03:04,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 22:03:04,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 22:03:04,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:03:04,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:03:04,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 22:03:04,377 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 22:03:04,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 22:03:04,594 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:03:04,596 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:03:04,772 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:03:04,827 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:03:04,834 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 22:03:04,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:03:04 BoogieIcfgContainer [2022-11-21 22:03:04,838 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:03:04,839 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:03:04,840 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:03:04,850 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:03:04,850 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:03:04" (1/1) ... [2022-11-21 22:03:04,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 22:03:04,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:03:04,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2022-11-21 22:03:04,932 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2022-11-21 22:03:04,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 22:03:04,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:03:04,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:03:05,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:03:05,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:03:05,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:03:05,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 21 transitions. [2022-11-21 22:03:05,309 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2022-11-21 22:03:05,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 22:03:05,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:03:05,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:03:05,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:03:05,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:03:05,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:03:05,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 26 transitions. [2022-11-21 22:03:05,432 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2022-11-21 22:03:05,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 22:03:05,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:03:05,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:03:05,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 22:03:05,461 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 22:03:05,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 22:03:05,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 22:03:05,623 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 22:03:05,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 22:03:05,666 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2022-11-21 22:03:05,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 10:03:05 ImpRootNode [2022-11-21 22:03:05,696 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 22:03:05,696 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 22:03:05,696 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 22:03:05,697 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 22:03:05,698 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:03:04" (3/4) ... [2022-11-21 22:03:05,701 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-21 22:03:05,701 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 22:03:05,702 INFO L158 Benchmark]: Toolchain (without parser) took 2931.28ms. Allocated memory was 146.8MB in the beginning and 205.5MB in the end (delta: 58.7MB). Free memory was 111.5MB in the beginning and 112.1MB in the end (delta: -542.1kB). Peak memory consumption was 58.9MB. Max. memory is 16.1GB. [2022-11-21 22:03:05,702 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 146.8MB. Free memory is still 121.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:03:05,703 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1369.38ms. Allocated memory was 146.8MB in the beginning and 205.5MB in the end (delta: 58.7MB). Free memory was 111.0MB in the beginning and 167.6MB in the end (delta: -56.6MB). Peak memory consumption was 73.5MB. Max. memory is 16.1GB. [2022-11-21 22:03:05,704 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.03ms. Allocated memory is still 205.5MB. Free memory was 167.6MB in the beginning and 164.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:03:05,704 INFO L158 Benchmark]: Boogie Preprocessor took 57.86ms. Allocated memory is still 205.5MB. Free memory was 164.5MB in the beginning and 163.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:03:05,705 INFO L158 Benchmark]: RCFGBuilder took 546.16ms. Allocated memory is still 205.5MB. Free memory was 163.4MB in the beginning and 148.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 22:03:05,705 INFO L158 Benchmark]: CodeCheck took 857.14ms. Allocated memory is still 205.5MB. Free memory was 148.8MB in the beginning and 113.1MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2022-11-21 22:03:05,706 INFO L158 Benchmark]: Witness Printer took 4.63ms. Allocated memory is still 205.5MB. Free memory was 113.1MB in the beginning and 112.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:03:05,709 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, 53 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 48 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20 IncrementalHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 38 mSDtfsCounter, 20 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 141 GetRequests, 137 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, 0.2s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 28 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: 1571]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1560. 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); [L1548] static int staticTrue = 1; [L1549] static int staticFalse = 0; [L1579] 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}, staticFalse=0, staticTrue=1] [L1414] COND TRUE line != ((void *)0) [L1579] RET printLine("Calling bad()...") VAL [\old(argc)=18, argc=18, argv={19:12}, argv={19:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] [L1580] CALL CWE191_Integer_Underflow__int_fgets_sub_05_bad() [L1552] int data; [L1553] 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, staticFalse=0, staticTrue=1] [L1554] COND TRUE \read(staticTrue) [L1557] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1558] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1560] data = atoi(inputBuffer) [L1557] 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, staticFalse=0, staticTrue=1] [L1568] COND TRUE \read(staticTrue) 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, staticFalse=0, staticTrue=1] [L1571] data - 1 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, staticFalse=0, staticTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 146.8MB. Free memory is still 121.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1369.38ms. Allocated memory was 146.8MB in the beginning and 205.5MB in the end (delta: 58.7MB). Free memory was 111.0MB in the beginning and 167.6MB in the end (delta: -56.6MB). Peak memory consumption was 73.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.03ms. Allocated memory is still 205.5MB. Free memory was 167.6MB in the beginning and 164.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.86ms. Allocated memory is still 205.5MB. Free memory was 164.5MB in the beginning and 163.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 546.16ms. Allocated memory is still 205.5MB. Free memory was 163.4MB in the beginning and 148.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 857.14ms. Allocated memory is still 205.5MB. Free memory was 148.8MB in the beginning and 113.1MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 4.63ms. Allocated memory is still 205.5MB. Free memory was 113.1MB in the beginning and 112.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-21 22:03:05,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac9ab68-5a26-41b3-b506-bb3a991046fe/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_7ac9ab68-5a26-41b3-b506-bb3a991046fe/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac9ab68-5a26-41b3-b506-bb3a991046fe/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_7ac9ab68-5a26-41b3-b506-bb3a991046fe/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac9ab68-5a26-41b3-b506-bb3a991046fe/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_05_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac9ab68-5a26-41b3-b506-bb3a991046fe/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_7ac9ab68-5a26-41b3-b506-bb3a991046fe/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 2e64ff2e83348263172336f753844a5e365302889cac2169bdd7c45b7ee5c6ed --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 22:03:08,198 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:03:08,203 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:03:08,243 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:03:08,244 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:03:08,247 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:03:08,250 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:03:08,253 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:03:08,255 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:03:08,260 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:03:08,261 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:03:08,262 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:03:08,262 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:03:08,263 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:03:08,264 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:03:08,265 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:03:08,266 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:03:08,267 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:03:08,268 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:03:08,274 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:03:08,279 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:03:08,283 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:03:08,286 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:03:08,287 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:03:08,296 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:03:08,299 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:03:08,300 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:03:08,301 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:03:08,302 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:03:08,303 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:03:08,304 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:03:08,305 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:03:08,306 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:03:08,307 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:03:08,314 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:03:08,314 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:03:08,315 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:03:08,315 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:03:08,315 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:03:08,316 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:03:08,317 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:03:08,318 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac9ab68-5a26-41b3-b506-bb3a991046fe/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2022-11-21 22:03:08,339 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:03:08,340 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:03:08,341 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:03:08,341 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:03:08,342 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:03:08,342 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:03:08,342 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:03:08,342 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:03:08,342 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:03:08,343 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:03:08,343 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:03:08,343 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:03:08,343 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 22:03:08,343 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 22:03:08,344 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:03:08,344 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 22:03:08,344 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:03:08,344 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:03:08,345 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:03:08,345 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:03:08,345 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:03:08,345 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:03:08,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:03:08,346 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:03:08,346 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:03:08,347 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:03:08,347 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-21 22:03:08,347 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 22:03:08,347 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:03:08,347 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-21 22:03:08,348 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 22:03:08,348 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_7ac9ab68-5a26-41b3-b506-bb3a991046fe/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac9ab68-5a26-41b3-b506-bb3a991046fe/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e64ff2e83348263172336f753844a5e365302889cac2169bdd7c45b7ee5c6ed [2022-11-21 22:03:08,714 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:03:08,745 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:03:08,748 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:03:08,750 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:03:08,750 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:03:08,752 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac9ab68-5a26-41b3-b506-bb3a991046fe/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_05_bad.i [2022-11-21 22:03:12,058 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:03:12,495 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:03:12,497 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac9ab68-5a26-41b3-b506-bb3a991046fe/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_05_bad.i [2022-11-21 22:03:12,526 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac9ab68-5a26-41b3-b506-bb3a991046fe/bin/ukojak-jW3SillKbg/data/c8d9384a4/3a6bac5899714645b2ddc6d3063699e6/FLAG0788b037e [2022-11-21 22:03:12,544 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac9ab68-5a26-41b3-b506-bb3a991046fe/bin/ukojak-jW3SillKbg/data/c8d9384a4/3a6bac5899714645b2ddc6d3063699e6 [2022-11-21 22:03:12,547 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:03:12,548 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:03:12,551 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:03:12,551 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:03:12,553 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:03:12,554 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:03:12" (1/1) ... [2022-11-21 22:03:12,558 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69c47b56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:12, skipping insertion in model container [2022-11-21 22:03:12,559 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:03:12" (1/1) ... [2022-11-21 22:03:12,566 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:03:12,633 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:03:13,043 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 22:03:13,328 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented. at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitvectorTranslation.constructOverflowCheckForBinaryBitwiseIntegerExpression(BitvectorTranslation.java:1570) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.addIntegerBoundsCheck(CExpressionTranslator.java:1060) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.handleBitshiftOperation(CExpressionTranslator.java:430) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:834) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:727) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1126) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.TypeHandler.visit(TypeHandler.java:357) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:177) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:143) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-21 22:03:13,337 INFO L158 Benchmark]: Toolchain (without parser) took 787.94ms. Allocated memory is still 73.4MB. Free memory was 48.5MB in the beginning and 33.2MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 22:03:13,338 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 73.4MB. Free memory was 51.9MB in the beginning and 51.9MB in the end (delta: 52.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:03:13,340 INFO L158 Benchmark]: CACSL2BoogieTranslator took 784.51ms. Allocated memory is still 73.4MB. Free memory was 48.3MB in the beginning and 33.2MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 22:03:13,342 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 73.4MB. Free memory was 51.9MB in the beginning and 51.9MB in the end (delta: 52.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 784.51ms. Allocated memory is still 73.4MB. Free memory was 48.3MB in the beginning and 33.2MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. 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.