./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_15_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_5b107a42-b8cc-44fe-bcea-b98007655504/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b107a42-b8cc-44fe-bcea-b98007655504/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_5b107a42-b8cc-44fe-bcea-b98007655504/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b107a42-b8cc-44fe-bcea-b98007655504/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_15_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b107a42-b8cc-44fe-bcea-b98007655504/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_5b107a42-b8cc-44fe-bcea-b98007655504/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 05ad4f177ad24416f0fe3da2d3224b4418a7b6b8b21fdad8ae3de4d714059cdf --- 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 17:33:14,818 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:33:14,821 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:33:14,861 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:33:14,862 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:33:14,865 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:33:14,868 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:33:14,870 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:33:14,871 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:33:14,872 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:33:14,873 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:33:14,874 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:33:14,874 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:33:14,875 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:33:14,877 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:33:14,878 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:33:14,879 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:33:14,879 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:33:14,881 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:33:14,883 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:33:14,884 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:33:14,889 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:33:14,890 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:33:14,891 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:33:14,894 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:33:14,894 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:33:14,894 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:33:14,895 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:33:14,896 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:33:14,897 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:33:14,897 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:33:14,898 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:33:14,899 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:33:14,900 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:33:14,906 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:33:14,907 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:33:14,908 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:33:14,909 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:33:14,909 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:33:14,912 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:33:14,913 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:33:14,914 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b107a42-b8cc-44fe-bcea-b98007655504/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 17:33:14,945 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:33:14,945 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:33:14,947 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:33:14,947 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:33:14,948 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:33:14,948 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:33:14,949 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:33:14,949 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:33:14,949 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:33:14,949 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:33:14,950 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:33:14,951 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:33:14,951 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:33:14,951 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:33:14,951 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:33:14,952 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:33:14,952 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:33:14,952 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:33:14,952 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:33:14,953 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:33:14,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:33:14,953 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:33:14,954 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:33:14,954 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:33:14,954 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:33:14,954 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:33:14,954 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:33:14,955 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_5b107a42-b8cc-44fe-bcea-b98007655504/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b107a42-b8cc-44fe-bcea-b98007655504/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05ad4f177ad24416f0fe3da2d3224b4418a7b6b8b21fdad8ae3de4d714059cdf [2022-11-20 17:33:15,270 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:33:15,303 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:33:15,305 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:33:15,307 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:33:15,309 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:33:15,310 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b107a42-b8cc-44fe-bcea-b98007655504/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_15_bad.i [2022-11-20 17:33:18,358 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:33:18,705 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:33:18,705 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b107a42-b8cc-44fe-bcea-b98007655504/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_15_bad.i [2022-11-20 17:33:18,737 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b107a42-b8cc-44fe-bcea-b98007655504/bin/ukojak-pZX7IvK2PQ/data/68683e668/dbfb7ef09d4b4fb29d6436815bbc794b/FLAGe77fe59c2 [2022-11-20 17:33:18,753 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b107a42-b8cc-44fe-bcea-b98007655504/bin/ukojak-pZX7IvK2PQ/data/68683e668/dbfb7ef09d4b4fb29d6436815bbc794b [2022-11-20 17:33:18,756 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:33:18,757 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:33:18,759 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:33:18,759 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:33:18,762 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:33:18,763 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:33:18" (1/1) ... [2022-11-20 17:33:18,764 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34ecda07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:33:18, skipping insertion in model container [2022-11-20 17:33:18,765 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:33:18" (1/1) ... [2022-11-20 17:33:18,772 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:33:18,833 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:33:19,213 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:33:19,770 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:33:19,787 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:33:19,820 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:33:19,940 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:33:20,042 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:33:20,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:33:20 WrapperNode [2022-11-20 17:33:20,043 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:33:20,044 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:33:20,044 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:33:20,044 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:33:20,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:33:20" (1/1) ... [2022-11-20 17:33:20,083 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:33:20" (1/1) ... [2022-11-20 17:33:20,114 INFO L138 Inliner]: procedures = 500, calls = 66, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 72 [2022-11-20 17:33:20,115 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:33:20,115 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:33:20,115 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:33:20,116 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:33:20,125 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:33:20" (1/1) ... [2022-11-20 17:33:20,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:33:20" (1/1) ... [2022-11-20 17:33:20,128 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:33:20" (1/1) ... [2022-11-20 17:33:20,129 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:33:20" (1/1) ... [2022-11-20 17:33:20,134 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:33:20" (1/1) ... [2022-11-20 17:33:20,136 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:33:20" (1/1) ... [2022-11-20 17:33:20,137 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:33:20" (1/1) ... [2022-11-20 17:33:20,139 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:33:20" (1/1) ... [2022-11-20 17:33:20,141 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:33:20,142 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:33:20,142 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:33:20,142 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:33:20,143 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:33:20" (1/1) ... [2022-11-20 17:33:20,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:33:20,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b107a42-b8cc-44fe-bcea-b98007655504/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:33:20,187 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b107a42-b8cc-44fe-bcea-b98007655504/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:33:20,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b107a42-b8cc-44fe-bcea-b98007655504/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:33:20,233 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-20 17:33:20,234 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 17:33:20,234 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 17:33:20,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:33:20,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-20 17:33:20,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:33:20,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:33:20,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:33:20,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:33:20,235 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 17:33:20,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:33:20,437 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:33:20,440 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:33:20,626 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:33:20,707 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:33:20,707 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 17:33:20,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:33:20 BoogieIcfgContainer [2022-11-20 17:33:20,710 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:33:20,711 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:33:20,711 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:33:20,737 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:33:20,737 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:33:20" (1/1) ... [2022-11-20 17:33:20,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:33:20,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:33:20,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2022-11-20 17:33:20,829 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2022-11-20 17:33:20,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 17:33:20,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:33:20,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:33:20,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:33:21,079 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 17:33:21,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:33:21,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 28 transitions. [2022-11-20 17:33:21,122 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2022-11-20 17:33:21,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 17:33:21,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:33:21,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:33:21,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:33:21,320 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 17:33:21,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:33:21,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 27 transitions. [2022-11-20 17:33:21,346 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2022-11-20 17:33:21,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 17:33:21,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:33:21,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:33:21,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:33:21,383 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 17:33:21,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:33:21,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:33:21,493 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 17:33:21,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:33:21,529 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2022-11-20 17:33:21,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:33:21 ImpRootNode [2022-11-20 17:33:21,598 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:33:21,599 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:33:21,599 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:33:21,599 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:33:21,600 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:33:20" (3/4) ... [2022-11-20 17:33:21,603 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 17:33:21,604 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:33:21,605 INFO L158 Benchmark]: Toolchain (without parser) took 2847.36ms. Allocated memory was 159.4MB in the beginning and 205.5MB in the end (delta: 46.1MB). Free memory was 109.5MB in the beginning and 149.8MB in the end (delta: -40.4MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2022-11-20 17:33:21,605 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 109.1MB. Free memory is still 58.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:33:21,606 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1284.78ms. Allocated memory is still 159.4MB. Free memory was 109.1MB in the beginning and 90.6MB in the end (delta: 18.5MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. [2022-11-20 17:33:21,607 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.75ms. Allocated memory is still 159.4MB. Free memory was 90.6MB in the beginning and 87.2MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 17:33:21,607 INFO L158 Benchmark]: Boogie Preprocessor took 25.98ms. Allocated memory is still 159.4MB. Free memory was 87.2MB in the beginning and 85.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:33:21,608 INFO L158 Benchmark]: RCFGBuilder took 568.19ms. Allocated memory is still 159.4MB. Free memory was 85.9MB in the beginning and 70.4MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 17:33:21,608 INFO L158 Benchmark]: CodeCheck took 887.42ms. Allocated memory was 159.4MB in the beginning and 205.5MB in the end (delta: 46.1MB). Free memory was 70.4MB in the beginning and 149.8MB in the end (delta: -79.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:33:21,609 INFO L158 Benchmark]: Witness Printer took 5.16ms. Allocated memory is still 205.5MB. Free memory is still 149.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:33:21,622 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, 24 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, 72 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 44 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14 IncrementalHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 44 mSDtfsCounter, 14 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 174 GetRequests, 170 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, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 25 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: 1576]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1559. 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); [L1588] 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={6:0}] [L1414] COND TRUE line != ((void *)0) [L1588] RET printLine("Calling bad()...") VAL [\old(argc)=19, argc=19, 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] [L1589] CALL CWE191_Integer_Underflow__int_fgets_multiply_15_bad() [L1550] int data; [L1551] data = 0 [L1554] case 6: [L1556] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1557] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1559] data = atoi(inputBuffer) [L1556] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [data=-1073741825, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1573] case 7: VAL [data=-1073741825, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1574] COND TRUE data < 0 VAL [data=-1073741825, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1576] data * 2 VAL [data=-1073741825, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50ms. Allocated memory is still 109.1MB. Free memory is still 58.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1284.78ms. Allocated memory is still 159.4MB. Free memory was 109.1MB in the beginning and 90.6MB in the end (delta: 18.5MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.75ms. Allocated memory is still 159.4MB. Free memory was 90.6MB in the beginning and 87.2MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.98ms. Allocated memory is still 159.4MB. Free memory was 87.2MB in the beginning and 85.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 568.19ms. Allocated memory is still 159.4MB. Free memory was 85.9MB in the beginning and 70.4MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 887.42ms. Allocated memory was 159.4MB in the beginning and 205.5MB in the end (delta: 46.1MB). Free memory was 70.4MB in the beginning and 149.8MB in the end (delta: -79.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.16ms. Allocated memory is still 205.5MB. Free memory is still 149.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-20 17:33:21,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b107a42-b8cc-44fe-bcea-b98007655504/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_5b107a42-b8cc-44fe-bcea-b98007655504/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b107a42-b8cc-44fe-bcea-b98007655504/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_5b107a42-b8cc-44fe-bcea-b98007655504/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b107a42-b8cc-44fe-bcea-b98007655504/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_15_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b107a42-b8cc-44fe-bcea-b98007655504/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_5b107a42-b8cc-44fe-bcea-b98007655504/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 05ad4f177ad24416f0fe3da2d3224b4418a7b6b8b21fdad8ae3de4d714059cdf --- 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 17:33:24,159 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:33:24,161 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:33:24,226 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:33:24,227 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:33:24,231 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:33:24,234 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:33:24,237 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:33:24,240 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:33:24,246 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:33:24,247 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:33:24,250 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:33:24,250 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:33:24,253 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:33:24,254 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:33:24,261 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:33:24,262 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:33:24,263 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:33:24,265 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:33:24,270 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:33:24,273 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:33:24,275 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:33:24,276 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:33:24,277 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:33:24,285 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:33:24,285 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:33:24,286 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:33:24,287 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:33:24,287 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:33:24,288 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:33:24,289 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:33:24,289 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:33:24,290 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:33:24,291 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:33:24,292 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:33:24,292 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:33:24,293 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:33:24,293 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:33:24,294 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:33:24,294 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:33:24,295 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:33:24,296 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b107a42-b8cc-44fe-bcea-b98007655504/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2022-11-20 17:33:24,331 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:33:24,331 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:33:24,334 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:33:24,334 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:33:24,335 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:33:24,335 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:33:24,335 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:33:24,335 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:33:24,336 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:33:24,336 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:33:24,337 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:33:24,337 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:33:24,337 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 17:33:24,338 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 17:33:24,338 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:33:24,338 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 17:33:24,338 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:33:24,339 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:33:24,339 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:33:24,339 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:33:24,339 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:33:24,339 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:33:24,340 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:33:24,340 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:33:24,340 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:33:24,340 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:33:24,341 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 17:33:24,341 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 17:33:24,341 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:33:24,341 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 17:33:24,341 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 17:33:24,342 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_5b107a42-b8cc-44fe-bcea-b98007655504/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b107a42-b8cc-44fe-bcea-b98007655504/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05ad4f177ad24416f0fe3da2d3224b4418a7b6b8b21fdad8ae3de4d714059cdf [2022-11-20 17:33:24,747 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:33:24,777 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:33:24,780 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:33:24,781 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:33:24,781 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:33:24,783 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b107a42-b8cc-44fe-bcea-b98007655504/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_15_bad.i [2022-11-20 17:33:28,086 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:33:28,455 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:33:28,461 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b107a42-b8cc-44fe-bcea-b98007655504/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_15_bad.i [2022-11-20 17:33:28,492 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b107a42-b8cc-44fe-bcea-b98007655504/bin/ukojak-pZX7IvK2PQ/data/3c1f01038/b4e1dadc0712411dba18dc55aeb66c76/FLAGc5a98dcab [2022-11-20 17:33:28,517 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b107a42-b8cc-44fe-bcea-b98007655504/bin/ukojak-pZX7IvK2PQ/data/3c1f01038/b4e1dadc0712411dba18dc55aeb66c76 [2022-11-20 17:33:28,520 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:33:28,521 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:33:28,523 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:33:28,523 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:33:28,526 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:33:28,527 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:33:28" (1/1) ... [2022-11-20 17:33:28,528 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28c73b7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:33:28, skipping insertion in model container [2022-11-20 17:33:28,529 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:33:28" (1/1) ... [2022-11-20 17:33:28,536 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:33:28,604 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:33:29,029 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:33:29,418 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 17:33:29,427 INFO L158 Benchmark]: Toolchain (without parser) took 904.29ms. Allocated memory is still 75.5MB. Free memory was 48.0MB in the beginning and 32.7MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 17:33:29,428 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 75.5MB. Free memory is still 52.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:33:29,429 INFO L158 Benchmark]: CACSL2BoogieTranslator took 901.94ms. Allocated memory is still 75.5MB. Free memory was 47.8MB in the beginning and 32.7MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 17:33:29,430 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 75.5MB. Free memory is still 52.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 901.94ms. Allocated memory is still 75.5MB. Free memory was 47.8MB in the beginning and 32.7MB in the end (delta: 15.1MB). 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.