./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 b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fba5ae1-a66e-49b0-a1a2-42210f971ac9/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fba5ae1-a66e-49b0-a1a2-42210f971ac9/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fba5ae1-a66e-49b0-a1a2-42210f971ac9/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fba5ae1-a66e-49b0-a1a2-42210f971ac9/bin/ukojak-jW3SillKbg/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_4fba5ae1-a66e-49b0-a1a2-42210f971ac9/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fba5ae1-a66e-49b0-a1a2-42210f971ac9/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 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-b5237d8 [2022-11-21 21:57:03,468 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 21:57:03,471 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 21:57:03,508 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 21:57:03,508 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 21:57:03,509 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 21:57:03,511 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 21:57:03,512 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 21:57:03,514 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 21:57:03,524 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 21:57:03,526 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 21:57:03,531 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 21:57:03,532 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 21:57:03,536 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 21:57:03,537 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 21:57:03,539 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 21:57:03,539 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 21:57:03,540 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 21:57:03,542 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 21:57:03,543 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 21:57:03,545 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 21:57:03,550 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 21:57:03,553 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 21:57:03,554 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 21:57:03,564 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 21:57:03,564 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 21:57:03,564 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 21:57:03,566 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 21:57:03,567 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 21:57:03,567 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 21:57:03,568 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 21:57:03,568 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 21:57:03,570 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 21:57:03,572 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 21:57:03,573 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 21:57:03,573 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 21:57:03,574 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 21:57:03,574 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 21:57:03,574 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 21:57:03,576 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 21:57:03,576 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 21:57:03,577 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fba5ae1-a66e-49b0-a1a2-42210f971ac9/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 21:57:03,617 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 21:57:03,617 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 21:57:03,618 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 21:57:03,619 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 21:57:03,619 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 21:57:03,620 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 21:57:03,620 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 21:57:03,620 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 21:57:03,620 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 21:57:03,620 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 21:57:03,621 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 21:57:03,622 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 21:57:03,622 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 21:57:03,622 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 21:57:03,622 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 21:57:03,623 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 21:57:03,623 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 21:57:03,623 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 21:57:03,623 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 21:57:03,623 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 21:57:03,624 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 21:57:03,624 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 21:57:03,624 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 21:57:03,624 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 21:57:03,624 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 21:57:03,625 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 21:57:03,625 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 21:57:03,625 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_4fba5ae1-a66e-49b0-a1a2-42210f971ac9/bin/ukojak-jW3SillKbg/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fba5ae1-a66e-49b0-a1a2-42210f971ac9/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05ad4f177ad24416f0fe3da2d3224b4418a7b6b8b21fdad8ae3de4d714059cdf [2022-11-21 21:57:03,900 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 21:57:03,932 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 21:57:03,935 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 21:57:03,936 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 21:57:03,937 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 21:57:03,938 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fba5ae1-a66e-49b0-a1a2-42210f971ac9/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_15_bad.i [2022-11-21 21:57:06,868 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 21:57:07,241 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 21:57:07,246 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fba5ae1-a66e-49b0-a1a2-42210f971ac9/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_15_bad.i [2022-11-21 21:57:07,276 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fba5ae1-a66e-49b0-a1a2-42210f971ac9/bin/ukojak-jW3SillKbg/data/e512ca1b9/74ecbc10ca1744138235f1d6dbf75173/FLAGdab60d13c [2022-11-21 21:57:07,291 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fba5ae1-a66e-49b0-a1a2-42210f971ac9/bin/ukojak-jW3SillKbg/data/e512ca1b9/74ecbc10ca1744138235f1d6dbf75173 [2022-11-21 21:57:07,293 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 21:57:07,295 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 21:57:07,296 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 21:57:07,296 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 21:57:07,300 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 21:57:07,300 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:57:07" (1/1) ... [2022-11-21 21:57:07,301 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50c3e0bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:57:07, skipping insertion in model container [2022-11-21 21:57:07,301 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:57:07" (1/1) ... [2022-11-21 21:57:07,309 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 21:57:07,392 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 21:57:07,760 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 21:57:08,306 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 21:57:08,316 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 21:57:08,335 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 21:57:08,389 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 21:57:08,509 INFO L208 MainTranslator]: Completed translation [2022-11-21 21:57:08,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:57:08 WrapperNode [2022-11-21 21:57:08,510 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 21:57:08,511 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 21:57:08,511 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 21:57:08,512 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 21:57:08,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:57:08" (1/1) ... [2022-11-21 21:57:08,557 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:57:08" (1/1) ... [2022-11-21 21:57:08,593 INFO L138 Inliner]: procedures = 500, calls = 66, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 72 [2022-11-21 21:57:08,593 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 21:57:08,594 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 21:57:08,594 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 21:57:08,594 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 21:57:08,603 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:57:08" (1/1) ... [2022-11-21 21:57:08,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:57:08" (1/1) ... [2022-11-21 21:57:08,607 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:57:08" (1/1) ... [2022-11-21 21:57:08,607 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:57:08" (1/1) ... [2022-11-21 21:57:08,615 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:57:08" (1/1) ... [2022-11-21 21:57:08,617 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:57:08" (1/1) ... [2022-11-21 21:57:08,619 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:57:08" (1/1) ... [2022-11-21 21:57:08,620 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:57:08" (1/1) ... [2022-11-21 21:57:08,622 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 21:57:08,623 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 21:57:08,623 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 21:57:08,623 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 21:57:08,624 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:57:08" (1/1) ... [2022-11-21 21:57:08,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 21:57:08,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fba5ae1-a66e-49b0-a1a2-42210f971ac9/bin/ukojak-jW3SillKbg/z3 [2022-11-21 21:57:08,668 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fba5ae1-a66e-49b0-a1a2-42210f971ac9/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 21:57:08,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fba5ae1-a66e-49b0-a1a2-42210f971ac9/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 21:57:08,768 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-21 21:57:08,768 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 21:57:08,768 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 21:57:08,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 21:57:08,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 21:57:08,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 21:57:08,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 21:57:08,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 21:57:08,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 21:57:08,770 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 21:57:08,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 21:57:08,956 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 21:57:08,958 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 21:57:09,126 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 21:57:09,156 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 21:57:09,157 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 21:57:09,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:57:09 BoogieIcfgContainer [2022-11-21 21:57:09,159 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 21:57:09,160 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 21:57:09,160 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 21:57:09,170 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 21:57:09,171 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:57:09" (1/1) ... [2022-11-21 21:57:09,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 21:57:09,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:57:09,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2022-11-21 21:57:09,228 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2022-11-21 21:57:09,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 21:57:09,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:57:09,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:57:09,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:57:09,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 21:57:09,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:57:09,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 28 transitions. [2022-11-21 21:57:09,489 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2022-11-21 21:57:09,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-21 21:57:09,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:57:09,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:57:09,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:57:09,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 21:57:09,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:57:09,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 27 transitions. [2022-11-21 21:57:09,635 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2022-11-21 21:57:09,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-21 21:57:09,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:57:09,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:57:09,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 21:57:09,694 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 21:57:09,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 21:57:09,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 21:57:09,799 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 21:57:09,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 21:57:09,852 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2022-11-21 21:57:09,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 09:57:09 ImpRootNode [2022-11-21 21:57:09,902 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 21:57:09,903 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 21:57:09,903 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 21:57:09,903 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 21:57:09,904 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:57:09" (3/4) ... [2022-11-21 21:57:09,907 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-21 21:57:09,907 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 21:57:09,908 INFO L158 Benchmark]: Toolchain (without parser) took 2613.14ms. Allocated memory was 138.4MB in the beginning and 182.5MB in the end (delta: 44.0MB). Free memory was 72.0MB in the beginning and 103.6MB in the end (delta: -31.6MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2022-11-21 21:57:09,909 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 138.4MB. Free memory is still 107.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 21:57:09,910 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1214.37ms. Allocated memory was 138.4MB in the beginning and 182.5MB in the end (delta: 44.0MB). Free memory was 71.7MB in the beginning and 94.2MB in the end (delta: -22.5MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2022-11-21 21:57:09,910 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.95ms. Allocated memory is still 182.5MB. Free memory was 94.2MB in the beginning and 91.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 21:57:09,911 INFO L158 Benchmark]: Boogie Preprocessor took 28.85ms. Allocated memory is still 182.5MB. Free memory was 91.6MB in the beginning and 90.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 21:57:09,911 INFO L158 Benchmark]: RCFGBuilder took 536.12ms. Allocated memory is still 182.5MB. Free memory was 90.0MB in the beginning and 137.2MB in the end (delta: -47.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-21 21:57:09,912 INFO L158 Benchmark]: CodeCheck took 742.40ms. Allocated memory is still 182.5MB. Free memory was 137.2MB in the beginning and 103.6MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-11-21 21:57:09,913 INFO L158 Benchmark]: Witness Printer took 4.50ms. Allocated memory is still 182.5MB. Free memory is still 103.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 21:57:09,916 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: 0.7s, 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 0.51ms. Allocated memory is still 138.4MB. Free memory is still 107.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1214.37ms. Allocated memory was 138.4MB in the beginning and 182.5MB in the end (delta: 44.0MB). Free memory was 71.7MB in the beginning and 94.2MB in the end (delta: -22.5MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.95ms. Allocated memory is still 182.5MB. Free memory was 94.2MB in the beginning and 91.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.85ms. Allocated memory is still 182.5MB. Free memory was 91.6MB in the beginning and 90.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 536.12ms. Allocated memory is still 182.5MB. Free memory was 90.0MB in the beginning and 137.2MB in the end (delta: -47.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * CodeCheck took 742.40ms. Allocated memory is still 182.5MB. Free memory was 137.2MB in the beginning and 103.6MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 4.50ms. Allocated memory is still 182.5MB. Free memory is still 103.6MB. 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 [2022-11-21 21:57:09,942 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fba5ae1-a66e-49b0-a1a2-42210f971ac9/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fba5ae1-a66e-49b0-a1a2-42210f971ac9/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fba5ae1-a66e-49b0-a1a2-42210f971ac9/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fba5ae1-a66e-49b0-a1a2-42210f971ac9/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fba5ae1-a66e-49b0-a1a2-42210f971ac9/bin/ukojak-jW3SillKbg/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_4fba5ae1-a66e-49b0-a1a2-42210f971ac9/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fba5ae1-a66e-49b0-a1a2-42210f971ac9/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 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-b5237d8 [2022-11-21 21:57:12,316 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 21:57:12,318 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 21:57:12,336 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 21:57:12,337 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 21:57:12,338 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 21:57:12,339 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 21:57:12,341 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 21:57:12,342 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 21:57:12,343 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 21:57:12,344 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 21:57:12,346 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 21:57:12,346 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 21:57:12,347 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 21:57:12,348 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 21:57:12,349 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 21:57:12,350 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 21:57:12,351 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 21:57:12,353 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 21:57:12,355 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 21:57:12,357 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 21:57:12,362 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 21:57:12,368 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 21:57:12,369 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 21:57:12,373 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 21:57:12,379 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 21:57:12,379 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 21:57:12,380 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 21:57:12,381 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 21:57:12,382 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 21:57:12,382 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 21:57:12,383 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 21:57:12,384 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 21:57:12,386 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 21:57:12,387 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 21:57:12,388 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 21:57:12,389 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 21:57:12,390 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 21:57:12,391 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 21:57:12,392 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 21:57:12,393 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 21:57:12,394 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fba5ae1-a66e-49b0-a1a2-42210f971ac9/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2022-11-21 21:57:12,429 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 21:57:12,432 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 21:57:12,434 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 21:57:12,435 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 21:57:12,435 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 21:57:12,435 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 21:57:12,436 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 21:57:12,436 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 21:57:12,436 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 21:57:12,436 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 21:57:12,437 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 21:57:12,437 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 21:57:12,437 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 21:57:12,437 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 21:57:12,437 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 21:57:12,438 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 21:57:12,438 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 21:57:12,438 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 21:57:12,438 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 21:57:12,439 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 21:57:12,439 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 21:57:12,439 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 21:57:12,439 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 21:57:12,440 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 21:57:12,440 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 21:57:12,440 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 21:57:12,440 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-21 21:57:12,440 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 21:57:12,441 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 21:57:12,441 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-21 21:57:12,441 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 21:57:12,441 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_4fba5ae1-a66e-49b0-a1a2-42210f971ac9/bin/ukojak-jW3SillKbg/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fba5ae1-a66e-49b0-a1a2-42210f971ac9/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05ad4f177ad24416f0fe3da2d3224b4418a7b6b8b21fdad8ae3de4d714059cdf [2022-11-21 21:57:12,796 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 21:57:12,819 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 21:57:12,821 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 21:57:12,822 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 21:57:12,823 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 21:57:12,824 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fba5ae1-a66e-49b0-a1a2-42210f971ac9/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_15_bad.i [2022-11-21 21:57:15,871 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 21:57:16,259 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 21:57:16,262 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fba5ae1-a66e-49b0-a1a2-42210f971ac9/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_15_bad.i [2022-11-21 21:57:16,290 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fba5ae1-a66e-49b0-a1a2-42210f971ac9/bin/ukojak-jW3SillKbg/data/9d9e118e2/1d1dd325e6284ad1a5123fdc2d8f6d58/FLAGb3e2c658e [2022-11-21 21:57:16,304 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fba5ae1-a66e-49b0-a1a2-42210f971ac9/bin/ukojak-jW3SillKbg/data/9d9e118e2/1d1dd325e6284ad1a5123fdc2d8f6d58 [2022-11-21 21:57:16,306 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 21:57:16,311 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 21:57:16,316 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 21:57:16,316 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 21:57:16,319 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 21:57:16,320 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:57:16" (1/1) ... [2022-11-21 21:57:16,321 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c1e526f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:57:16, skipping insertion in model container [2022-11-21 21:57:16,321 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:57:16" (1/1) ... [2022-11-21 21:57:16,329 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 21:57:16,406 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 21:57:16,810 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 21:57:17,093 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented. at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitvectorTranslation.constructOverflowCheckForBinaryBitwiseIntegerExpression(BitvectorTranslation.java:1570) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.addIntegerBoundsCheck(CExpressionTranslator.java:1060) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.handleBitshiftOperation(CExpressionTranslator.java:430) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:834) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:727) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1126) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.TypeHandler.visit(TypeHandler.java:357) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:177) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:143) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-21 21:57:17,103 INFO L158 Benchmark]: Toolchain (without parser) took 793.78ms. Allocated memory is still 94.4MB. Free memory was 68.7MB in the beginning and 53.3MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 21:57:17,103 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 69.2MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 21:57:17,104 INFO L158 Benchmark]: CACSL2BoogieTranslator took 784.77ms. Allocated memory is still 94.4MB. Free memory was 68.4MB in the beginning and 53.3MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 21:57:17,106 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 69.2MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 784.77ms. Allocated memory is still 94.4MB. Free memory was 68.4MB in the beginning and 53.3MB 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.