./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_18_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_83b1921e-f236-4061-ae94-820b6febca6c/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b1921e-f236-4061-ae94-820b6febca6c/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_83b1921e-f236-4061-ae94-820b6febca6c/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b1921e-f236-4061-ae94-820b6febca6c/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_18_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b1921e-f236-4061-ae94-820b6febca6c/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_83b1921e-f236-4061-ae94-820b6febca6c/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 4520eb0b0d8926e69b6bb597f4dba875b441bb352d43c1e5b4eee1e6dc28536d --- 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 16:48:40,383 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:48:40,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:48:40,418 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:48:40,421 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:48:40,425 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:48:40,428 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:48:40,431 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:48:40,433 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:48:40,435 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:48:40,436 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:48:40,437 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:48:40,437 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:48:40,440 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:48:40,441 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:48:40,443 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:48:40,444 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:48:40,444 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:48:40,446 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:48:40,448 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:48:40,449 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:48:40,452 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:48:40,453 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:48:40,454 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:48:40,458 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:48:40,458 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:48:40,458 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:48:40,459 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:48:40,460 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:48:40,461 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:48:40,461 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:48:40,462 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:48:40,463 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:48:40,464 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:48:40,465 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:48:40,465 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:48:40,466 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:48:40,466 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:48:40,467 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:48:40,468 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:48:40,468 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:48:40,474 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b1921e-f236-4061-ae94-820b6febca6c/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 16:48:40,505 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:48:40,506 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:48:40,506 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:48:40,507 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:48:40,507 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:48:40,508 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:48:40,508 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:48:40,508 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:48:40,508 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:48:40,509 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:48:40,509 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:48:40,509 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:48:40,509 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:48:40,509 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 16:48:40,510 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:48:40,510 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:48:40,510 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:48:40,510 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:48:40,511 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:48:40,513 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:48:40,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:48:40,514 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:48:40,514 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:48:40,515 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:48:40,515 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 16:48:40,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:48:40,515 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:48:40,516 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_83b1921e-f236-4061-ae94-820b6febca6c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b1921e-f236-4061-ae94-820b6febca6c/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4520eb0b0d8926e69b6bb597f4dba875b441bb352d43c1e5b4eee1e6dc28536d [2022-11-20 16:48:40,814 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:48:40,847 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:48:40,850 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:48:40,852 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:48:40,852 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:48:40,854 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b1921e-f236-4061-ae94-820b6febca6c/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_18_bad.i [2022-11-20 16:48:43,990 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:48:44,414 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:48:44,423 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b1921e-f236-4061-ae94-820b6febca6c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_18_bad.i [2022-11-20 16:48:44,450 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b1921e-f236-4061-ae94-820b6febca6c/bin/ukojak-pZX7IvK2PQ/data/bb1b75c0e/79b776c34a1e453cab1b85205e642c2f/FLAGc386f0b7b [2022-11-20 16:48:44,465 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b1921e-f236-4061-ae94-820b6febca6c/bin/ukojak-pZX7IvK2PQ/data/bb1b75c0e/79b776c34a1e453cab1b85205e642c2f [2022-11-20 16:48:44,468 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:48:44,470 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:48:44,471 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:48:44,472 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:48:44,475 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:48:44,476 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:48:44" (1/1) ... [2022-11-20 16:48:44,477 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33bc3e29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:48:44, skipping insertion in model container [2022-11-20 16:48:44,477 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:48:44" (1/1) ... [2022-11-20 16:48:44,485 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:48:44,550 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:48:44,943 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 16:48:45,595 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:48:45,609 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:48:45,641 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 16:48:45,732 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:48:45,868 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:48:45,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:48:45 WrapperNode [2022-11-20 16:48:45,869 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:48:45,870 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:48:45,870 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:48:45,870 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:48:45,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:48:45" (1/1) ... [2022-11-20 16:48:45,909 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:48:45" (1/1) ... [2022-11-20 16:48:45,933 INFO L138 Inliner]: procedures = 499, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2022-11-20 16:48:45,933 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:48:45,934 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:48:45,934 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:48:45,934 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:48:45,951 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:48:45" (1/1) ... [2022-11-20 16:48:45,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:48:45" (1/1) ... [2022-11-20 16:48:45,953 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:48:45" (1/1) ... [2022-11-20 16:48:45,954 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:48:45" (1/1) ... [2022-11-20 16:48:45,959 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:48:45" (1/1) ... [2022-11-20 16:48:45,961 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:48:45" (1/1) ... [2022-11-20 16:48:45,962 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:48:45" (1/1) ... [2022-11-20 16:48:45,963 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:48:45" (1/1) ... [2022-11-20 16:48:45,966 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:48:45,979 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:48:45,979 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:48:45,980 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:48:45,980 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:48:45" (1/1) ... [2022-11-20 16:48:45,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:48:46,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b1921e-f236-4061-ae94-820b6febca6c/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:48:46,041 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b1921e-f236-4061-ae94-820b6febca6c/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:48:46,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b1921e-f236-4061-ae94-820b6febca6c/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:48:46,081 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 16:48:46,081 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 16:48:46,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 16:48:46,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:48:46,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:48:46,081 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 16:48:46,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 16:48:46,216 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:48:46,218 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:48:46,508 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:48:46,618 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:48:46,618 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 16:48:46,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:48:46 BoogieIcfgContainer [2022-11-20 16:48:46,621 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:48:46,622 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:48:46,622 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:48:46,632 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:48:46,632 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:48:46" (1/1) ... [2022-11-20 16:48:46,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:48:46,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:48:46,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-20 16:48:46,701 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-20 16:48:46,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 16:48:46,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:48:46,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:48:46,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:48:47,084 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 16:48:47,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:48:47,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2022-11-20 16:48:47,125 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2022-11-20 16:48:47,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 16:48:47,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:48:47,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:48:47,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 16:48:47,170 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 16:48:47,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 16:48:47,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 16:48:47,303 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 16:48:47,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 16:48:47,347 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2022-11-20 16:48:47,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 04:48:47 ImpRootNode [2022-11-20 16:48:47,397 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 16:48:47,399 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 16:48:47,399 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 16:48:47,400 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 16:48:47,400 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:48:46" (3/4) ... [2022-11-20 16:48:47,405 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 16:48:47,405 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 16:48:47,406 INFO L158 Benchmark]: Toolchain (without parser) took 2936.11ms. Allocated memory is still 174.1MB. Free memory was 135.8MB in the beginning and 92.5MB in the end (delta: 43.3MB). Peak memory consumption was 44.2MB. Max. memory is 16.1GB. [2022-11-20 16:48:47,406 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 130.0MB. Free memory was 72.5MB in the beginning and 72.4MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:48:47,407 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1397.74ms. Allocated memory is still 174.1MB. Free memory was 135.8MB in the beginning and 74.1MB in the end (delta: 61.6MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2022-11-20 16:48:47,409 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.72ms. Allocated memory is still 174.1MB. Free memory was 74.1MB in the beginning and 71.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:48:47,409 INFO L158 Benchmark]: Boogie Preprocessor took 32.29ms. Allocated memory is still 174.1MB. Free memory was 71.2MB in the beginning and 69.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:48:47,410 INFO L158 Benchmark]: RCFGBuilder took 641.85ms. Allocated memory is still 174.1MB. Free memory was 69.1MB in the beginning and 131.4MB in the end (delta: -62.3MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2022-11-20 16:48:47,411 INFO L158 Benchmark]: CodeCheck took 775.69ms. Allocated memory is still 174.1MB. Free memory was 131.4MB in the beginning and 92.5MB in the end (delta: 38.9MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2022-11-20 16:48:47,411 INFO L158 Benchmark]: Witness Printer took 5.99ms. Allocated memory is still 174.1MB. Free memory is still 92.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:48:47,414 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, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 4 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1558]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1554, overapproximation of bitwiseAnd at line 1554. 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); [L1566] 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={2:0}] [L1414] COND TRUE line != ((void *)0) [L1566] RET printLine("Calling bad()...") VAL [\old(argc)=14, argc=14, argv={13:12}, argv={13:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1567] CALL CWE191_Integer_Underflow__int_rand_predec_18_bad() [L1550] int data; [L1551] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1558] --data VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 130.0MB. Free memory was 72.5MB in the beginning and 72.4MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1397.74ms. Allocated memory is still 174.1MB. Free memory was 135.8MB in the beginning and 74.1MB in the end (delta: 61.6MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.72ms. Allocated memory is still 174.1MB. Free memory was 74.1MB in the beginning and 71.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.29ms. Allocated memory is still 174.1MB. Free memory was 71.2MB in the beginning and 69.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 641.85ms. Allocated memory is still 174.1MB. Free memory was 69.1MB in the beginning and 131.4MB in the end (delta: -62.3MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. * CodeCheck took 775.69ms. Allocated memory is still 174.1MB. Free memory was 131.4MB in the beginning and 92.5MB in the end (delta: 38.9MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Witness Printer took 5.99ms. Allocated memory is still 174.1MB. Free memory is still 92.5MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-20 16:48:47,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b1921e-f236-4061-ae94-820b6febca6c/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_83b1921e-f236-4061-ae94-820b6febca6c/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b1921e-f236-4061-ae94-820b6febca6c/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_83b1921e-f236-4061-ae94-820b6febca6c/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b1921e-f236-4061-ae94-820b6febca6c/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_18_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b1921e-f236-4061-ae94-820b6febca6c/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_83b1921e-f236-4061-ae94-820b6febca6c/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 4520eb0b0d8926e69b6bb597f4dba875b441bb352d43c1e5b4eee1e6dc28536d --- 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 16:48:49,913 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:48:49,915 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:48:49,938 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:48:49,942 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:48:49,946 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:48:49,952 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:48:49,955 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:48:49,957 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:48:49,963 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:48:49,964 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:48:49,966 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:48:49,967 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:48:49,969 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:48:49,972 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:48:49,974 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:48:49,976 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:48:49,978 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:48:49,980 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:48:49,987 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:48:49,991 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:48:49,993 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:48:49,996 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:48:49,997 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:48:50,004 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:48:50,007 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:48:50,007 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:48:50,009 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:48:50,010 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:48:50,011 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:48:50,012 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:48:50,013 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:48:50,015 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:48:50,016 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:48:50,017 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:48:50,018 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:48:50,032 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:48:50,033 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:48:50,033 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:48:50,034 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:48:50,035 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:48:50,040 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b1921e-f236-4061-ae94-820b6febca6c/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2022-11-20 16:48:50,083 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:48:50,083 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:48:50,086 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:48:50,086 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:48:50,087 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:48:50,087 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:48:50,087 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:48:50,087 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:48:50,088 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:48:50,088 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:48:50,089 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:48:50,089 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:48:50,089 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 16:48:50,090 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 16:48:50,090 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 16:48:50,090 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 16:48:50,090 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:48:50,091 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:48:50,091 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:48:50,091 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:48:50,091 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:48:50,092 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:48:50,092 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:48:50,092 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:48:50,092 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:48:50,093 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:48:50,093 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 16:48:50,093 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 16:48:50,093 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:48:50,094 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 16:48:50,094 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 16:48:50,094 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_83b1921e-f236-4061-ae94-820b6febca6c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b1921e-f236-4061-ae94-820b6febca6c/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4520eb0b0d8926e69b6bb597f4dba875b441bb352d43c1e5b4eee1e6dc28536d [2022-11-20 16:48:50,519 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:48:50,547 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:48:50,551 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:48:50,552 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:48:50,553 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:48:50,555 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b1921e-f236-4061-ae94-820b6febca6c/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_18_bad.i [2022-11-20 16:48:53,564 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:48:54,031 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:48:54,032 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b1921e-f236-4061-ae94-820b6febca6c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_18_bad.i [2022-11-20 16:48:54,053 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b1921e-f236-4061-ae94-820b6febca6c/bin/ukojak-pZX7IvK2PQ/data/894772ab5/1ba852d0a891431e937902a012629a58/FLAG90ea58865 [2022-11-20 16:48:54,071 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b1921e-f236-4061-ae94-820b6febca6c/bin/ukojak-pZX7IvK2PQ/data/894772ab5/1ba852d0a891431e937902a012629a58 [2022-11-20 16:48:54,077 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:48:54,078 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:48:54,082 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:48:54,082 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:48:54,085 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:48:54,086 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:48:54" (1/1) ... [2022-11-20 16:48:54,091 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b9e9781 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:48:54, skipping insertion in model container [2022-11-20 16:48:54,091 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:48:54" (1/1) ... [2022-11-20 16:48:54,098 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:48:54,169 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:48:54,621 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 16:48:54,865 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 16:48:54,872 INFO L158 Benchmark]: Toolchain (without parser) took 792.60ms. Allocated memory was 67.1MB in the beginning and 96.5MB in the end (delta: 29.4MB). Free memory was 40.6MB in the beginning and 75.0MB in the end (delta: -34.4MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2022-11-20 16:48:54,873 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 67.1MB. Free memory was 45.7MB in the beginning and 45.6MB in the end (delta: 46.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:48:54,875 INFO L158 Benchmark]: CACSL2BoogieTranslator took 788.21ms. Allocated memory was 67.1MB in the beginning and 96.5MB in the end (delta: 29.4MB). Free memory was 40.5MB in the beginning and 75.0MB in the end (delta: -34.6MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2022-11-20 16:48:54,877 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 67.1MB. Free memory was 45.7MB in the beginning and 45.6MB in the end (delta: 46.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 788.21ms. Allocated memory was 67.1MB in the beginning and 96.5MB in the end (delta: 29.4MB). Free memory was 40.5MB in the beginning and 75.0MB in the end (delta: -34.6MB). Peak memory consumption was 17.1MB. 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.