./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_31_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f0b372-003f-41c1-83a1-22f793f727a3/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f0b372-003f-41c1-83a1-22f793f727a3/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f0b372-003f-41c1-83a1-22f793f727a3/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f0b372-003f-41c1-83a1-22f793f727a3/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f0b372-003f-41c1-83a1-22f793f727a3/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f0b372-003f-41c1-83a1-22f793f727a3/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 23cf0ffb9f962a6694e05d9cf94d91f079ea00e3188ad6187a3f8468cfb1f91c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 17:14:01,641 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:14:01,644 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:14:01,683 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:14:01,684 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:14:01,687 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:14:01,690 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:14:01,694 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:14:01,697 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:14:01,700 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:14:01,700 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:14:01,701 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:14:01,702 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:14:01,703 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:14:01,704 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:14:01,705 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:14:01,707 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:14:01,708 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:14:01,709 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:14:01,711 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:14:01,713 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:14:01,714 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:14:01,716 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:14:01,716 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:14:01,719 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:14:01,720 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:14:01,720 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:14:01,721 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:14:01,721 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:14:01,722 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:14:01,722 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:14:01,723 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:14:01,724 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:14:01,724 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:14:01,725 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:14:01,725 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:14:01,730 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:14:01,730 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:14:01,731 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:14:01,733 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:14:01,734 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:14:01,735 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f0b372-003f-41c1-83a1-22f793f727a3/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 17:14:01,771 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:14:01,771 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:14:01,772 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:14:01,773 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:14:01,773 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:14:01,774 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:14:01,774 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:14:01,774 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:14:01,774 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:14:01,774 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:14:01,775 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:14:01,776 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:14:01,776 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:14:01,776 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:14:01,776 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:14:01,776 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:14:01,776 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:14:01,777 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:14:01,777 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:14:01,777 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:14:01,777 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:14:01,777 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:14:01,778 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:14:01,778 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:14:01,778 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:14:01,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:14:01,778 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:14:01,778 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_b8f0b372-003f-41c1-83a1-22f793f727a3/bin/ukojak-pZX7IvK2PQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f0b372-003f-41c1-83a1-22f793f727a3/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23cf0ffb9f962a6694e05d9cf94d91f079ea00e3188ad6187a3f8468cfb1f91c [2022-11-20 17:14:02,052 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:14:02,081 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:14:02,083 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:14:02,085 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:14:02,085 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:14:02,087 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f0b372-003f-41c1-83a1-22f793f727a3/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_31_bad.i [2022-11-20 17:14:05,150 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:14:05,535 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:14:05,535 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f0b372-003f-41c1-83a1-22f793f727a3/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_31_bad.i [2022-11-20 17:14:05,557 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f0b372-003f-41c1-83a1-22f793f727a3/bin/ukojak-pZX7IvK2PQ/data/4d8243912/9bcb16975afc41eaa2d1b09ae36ab53b/FLAG2416f1ae6 [2022-11-20 17:14:05,572 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f0b372-003f-41c1-83a1-22f793f727a3/bin/ukojak-pZX7IvK2PQ/data/4d8243912/9bcb16975afc41eaa2d1b09ae36ab53b [2022-11-20 17:14:05,575 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:14:05,577 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:14:05,578 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:14:05,578 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:14:05,581 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:14:05,582 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:14:05" (1/1) ... [2022-11-20 17:14:05,583 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c29171 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:14:05, skipping insertion in model container [2022-11-20 17:14:05,584 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:14:05" (1/1) ... [2022-11-20 17:14:05,591 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:14:05,639 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:14:06,070 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:14:06,573 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:14:06,595 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:14:06,616 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:14:06,703 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:14:06,853 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:14:06,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:14:06 WrapperNode [2022-11-20 17:14:06,854 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:14:06,855 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:14:06,855 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:14:06,856 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:14:06,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:14:06" (1/1) ... [2022-11-20 17:14:06,893 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:14:06" (1/1) ... [2022-11-20 17:14:06,924 INFO L138 Inliner]: procedures = 500, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 54 [2022-11-20 17:14:06,925 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:14:06,925 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:14:06,926 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:14:06,926 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:14:06,935 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:14:06" (1/1) ... [2022-11-20 17:14:06,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:14:06" (1/1) ... [2022-11-20 17:14:06,939 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:14:06" (1/1) ... [2022-11-20 17:14:06,939 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:14:06" (1/1) ... [2022-11-20 17:14:06,944 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:14:06" (1/1) ... [2022-11-20 17:14:06,946 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:14:06" (1/1) ... [2022-11-20 17:14:06,949 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:14:06" (1/1) ... [2022-11-20 17:14:06,952 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:14:06" (1/1) ... [2022-11-20 17:14:06,955 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:14:06,956 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:14:06,956 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:14:06,957 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:14:06,957 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:14:06" (1/1) ... [2022-11-20 17:14:06,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:14:06,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f0b372-003f-41c1-83a1-22f793f727a3/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:14:07,000 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f0b372-003f-41c1-83a1-22f793f727a3/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:14:07,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f0b372-003f-41c1-83a1-22f793f727a3/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:14:07,057 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-20 17:14:07,057 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 17:14:07,057 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 17:14:07,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:14:07,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-20 17:14:07,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:14:07,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:14:07,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:14:07,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:14:07,060 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 17:14:07,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:14:07,235 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:14:07,237 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:14:07,377 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:14:07,426 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:14:07,426 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 17:14:07,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:14:07 BoogieIcfgContainer [2022-11-20 17:14:07,429 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:14:07,430 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:14:07,430 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:14:07,441 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:14:07,442 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:14:07" (1/1) ... [2022-11-20 17:14:07,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:14:07,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:14:07,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2022-11-20 17:14:07,516 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2022-11-20 17:14:07,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 17:14:07,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:14:07,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:14:07,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:14:07,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:14:07,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:14:07,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2022-11-20 17:14:07,918 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2022-11-20 17:14:07,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 17:14:07,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:14:07,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:14:07,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:14:07,990 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 17:14:08,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:14:08,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:14:08,112 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 17:14:08,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:14:08,145 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2022-11-20 17:14:08,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:14:08 ImpRootNode [2022-11-20 17:14:08,182 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:14:08,183 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:14:08,183 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:14:08,183 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:14:08,184 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:14:07" (3/4) ... [2022-11-20 17:14:08,189 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 17:14:08,190 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:14:08,192 INFO L158 Benchmark]: Toolchain (without parser) took 2614.69ms. Allocated memory was 178.3MB in the beginning and 230.7MB in the end (delta: 52.4MB). Free memory was 129.6MB in the beginning and 147.2MB in the end (delta: -17.6MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. [2022-11-20 17:14:08,193 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 178.3MB. Free memory is still 147.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:14:08,194 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1276.38ms. Allocated memory was 178.3MB in the beginning and 230.7MB in the end (delta: 52.4MB). Free memory was 129.6MB in the beginning and 194.4MB in the end (delta: -64.8MB). Peak memory consumption was 69.6MB. Max. memory is 16.1GB. [2022-11-20 17:14:08,194 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.63ms. Allocated memory is still 230.7MB. Free memory was 194.4MB in the beginning and 191.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:14:08,195 INFO L158 Benchmark]: Boogie Preprocessor took 29.91ms. Allocated memory is still 230.7MB. Free memory was 191.2MB in the beginning and 190.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:14:08,196 INFO L158 Benchmark]: RCFGBuilder took 472.98ms. Allocated memory is still 230.7MB. Free memory was 190.2MB in the beginning and 175.4MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 17:14:08,197 INFO L158 Benchmark]: CodeCheck took 752.42ms. Allocated memory is still 230.7MB. Free memory was 175.4MB in the beginning and 147.2MB in the end (delta: 28.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-20 17:14:08,198 INFO L158 Benchmark]: Witness Printer took 7.74ms. Allocated memory is still 230.7MB. Free memory is still 147.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:14:08,202 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 12 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 12 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1568]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1556. 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); [L1576] 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) [L1576] 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] [L1577] CALL CWE191_Integer_Underflow__int_fgets_multiply_31_bad() [L1550] int data; [L1551] data = 0 [L1553] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1554] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1556] data = atoi(inputBuffer) [L1553] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1564] int dataCopy = data; [L1565] int data = dataCopy; VAL [data=-1073741825, data=-1073741825, dataCopy=-1073741825, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] COND TRUE data < 0 VAL [data=-1073741825, data=-1073741825, dataCopy=-1073741825, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] data * 2 VAL [data=-1073741825, data=-1073741825, dataCopy=-1073741825, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 178.3MB. Free memory is still 147.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1276.38ms. Allocated memory was 178.3MB in the beginning and 230.7MB in the end (delta: 52.4MB). Free memory was 129.6MB in the beginning and 194.4MB in the end (delta: -64.8MB). Peak memory consumption was 69.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.63ms. Allocated memory is still 230.7MB. Free memory was 194.4MB in the beginning and 191.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.91ms. Allocated memory is still 230.7MB. Free memory was 191.2MB in the beginning and 190.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 472.98ms. Allocated memory is still 230.7MB. Free memory was 190.2MB in the beginning and 175.4MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 752.42ms. Allocated memory is still 230.7MB. Free memory was 175.4MB in the beginning and 147.2MB in the end (delta: 28.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 7.74ms. Allocated memory is still 230.7MB. Free memory is still 147.2MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-20 17:14:08,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f0b372-003f-41c1-83a1-22f793f727a3/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f0b372-003f-41c1-83a1-22f793f727a3/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f0b372-003f-41c1-83a1-22f793f727a3/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f0b372-003f-41c1-83a1-22f793f727a3/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f0b372-003f-41c1-83a1-22f793f727a3/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f0b372-003f-41c1-83a1-22f793f727a3/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f0b372-003f-41c1-83a1-22f793f727a3/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 23cf0ffb9f962a6694e05d9cf94d91f079ea00e3188ad6187a3f8468cfb1f91c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 17:14:10,651 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:14:10,655 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:14:10,683 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:14:10,684 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:14:10,687 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:14:10,691 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:14:10,695 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:14:10,697 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:14:10,703 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:14:10,704 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:14:10,706 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:14:10,706 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:14:10,709 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:14:10,711 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:14:10,716 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:14:10,717 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:14:10,718 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:14:10,720 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:14:10,726 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:14:10,728 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:14:10,731 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:14:10,732 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:14:10,733 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:14:10,741 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:14:10,741 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:14:10,741 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:14:10,743 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:14:10,744 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:14:10,745 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:14:10,746 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:14:10,747 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:14:10,749 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:14:10,750 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:14:10,765 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:14:10,765 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:14:10,766 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:14:10,767 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:14:10,767 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:14:10,768 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:14:10,769 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:14:10,774 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f0b372-003f-41c1-83a1-22f793f727a3/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2022-11-20 17:14:10,819 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:14:10,819 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:14:10,821 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:14:10,821 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:14:10,822 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:14:10,822 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:14:10,823 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:14:10,823 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:14:10,823 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:14:10,823 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:14:10,824 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:14:10,825 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:14:10,825 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 17:14:10,825 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 17:14:10,825 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:14:10,826 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 17:14:10,826 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:14:10,826 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:14:10,826 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:14:10,827 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:14:10,827 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:14:10,827 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:14:10,827 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:14:10,828 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:14:10,828 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:14:10,828 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:14:10,828 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 17:14:10,829 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 17:14:10,829 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:14:10,829 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 17:14:10,829 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 17:14:10,829 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_b8f0b372-003f-41c1-83a1-22f793f727a3/bin/ukojak-pZX7IvK2PQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f0b372-003f-41c1-83a1-22f793f727a3/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23cf0ffb9f962a6694e05d9cf94d91f079ea00e3188ad6187a3f8468cfb1f91c [2022-11-20 17:14:11,213 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:14:11,243 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:14:11,245 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:14:11,246 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:14:11,247 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:14:11,249 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f0b372-003f-41c1-83a1-22f793f727a3/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_31_bad.i [2022-11-20 17:14:14,407 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:14:14,804 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:14:14,804 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f0b372-003f-41c1-83a1-22f793f727a3/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_31_bad.i [2022-11-20 17:14:14,833 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f0b372-003f-41c1-83a1-22f793f727a3/bin/ukojak-pZX7IvK2PQ/data/2e4c607ce/e7323a68f50244ec8ba4a7a494470969/FLAGeae587ac5 [2022-11-20 17:14:14,848 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f0b372-003f-41c1-83a1-22f793f727a3/bin/ukojak-pZX7IvK2PQ/data/2e4c607ce/e7323a68f50244ec8ba4a7a494470969 [2022-11-20 17:14:14,851 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:14:14,852 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:14:14,853 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:14:14,854 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:14:14,857 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:14:14,858 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:14:14" (1/1) ... [2022-11-20 17:14:14,859 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a2a1ad4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:14:14, skipping insertion in model container [2022-11-20 17:14:14,859 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:14:14" (1/1) ... [2022-11-20 17:14:14,866 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:14:14,920 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:14:15,356 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:14:15,622 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented. at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitvectorTranslation.constructOverflowCheckForBinaryBitwiseIntegerExpression(BitvectorTranslation.java:1570) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.addIntegerBoundsCheck(CExpressionTranslator.java:1060) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.handleBitshiftOperation(CExpressionTranslator.java:430) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:834) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:727) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1126) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.TypeHandler.visit(TypeHandler.java:357) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:177) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:143) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-20 17:14:15,632 INFO L158 Benchmark]: Toolchain (without parser) took 778.41ms. Allocated memory is still 73.4MB. Free memory was 48.3MB in the beginning and 50.0MB in the end (delta: -1.6MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2022-11-20 17:14:15,633 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 60.8MB. Free memory was 39.0MB in the beginning and 38.9MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:14:15,634 INFO L158 Benchmark]: CACSL2BoogieTranslator took 776.15ms. Allocated memory is still 73.4MB. Free memory was 48.2MB in the beginning and 50.0MB in the end (delta: -1.8MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2022-11-20 17:14:15,635 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 60.8MB. Free memory was 39.0MB in the beginning and 38.9MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 776.15ms. Allocated memory is still 73.4MB. Free memory was 48.2MB in the beginning and 50.0MB in the end (delta: -1.8MB). Peak memory consumption was 14.5MB. 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.