./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_67_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b 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_fe33064e-b8f5-4b01-8c4c-795b3d058dad/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe33064e-b8f5-4b01-8c4c-795b3d058dad/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_fe33064e-b8f5-4b01-8c4c-795b3d058dad/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe33064e-b8f5-4b01-8c4c-795b3d058dad/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_67_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe33064e-b8f5-4b01-8c4c-795b3d058dad/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_fe33064e-b8f5-4b01-8c4c-795b3d058dad/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 bdc69826daca7e7f55fe3e8067dcb910efb50c9933511961be6fdaa541a8924b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 17:06:16,350 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:06:16,352 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:06:16,372 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:06:16,372 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:06:16,374 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:06:16,375 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:06:16,377 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:06:16,379 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:06:16,380 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:06:16,381 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:06:16,382 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:06:16,383 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:06:16,384 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:06:16,385 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:06:16,386 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:06:16,387 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:06:16,388 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:06:16,390 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:06:16,392 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:06:16,393 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:06:16,397 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:06:16,398 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:06:16,399 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:06:16,403 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:06:16,404 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:06:16,404 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:06:16,405 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:06:16,406 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:06:16,407 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:06:16,407 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:06:16,408 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:06:16,409 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:06:16,410 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:06:16,411 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:06:16,411 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:06:16,412 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:06:16,412 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:06:16,413 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:06:16,414 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:06:16,415 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:06:16,416 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe33064e-b8f5-4b01-8c4c-795b3d058dad/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 17:06:16,453 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:06:16,454 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:06:16,455 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:06:16,455 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:06:16,456 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:06:16,456 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:06:16,457 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:06:16,457 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:06:16,457 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:06:16,457 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:06:16,458 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:06:16,458 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:06:16,459 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:06:16,459 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:06:16,459 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:06:16,459 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:06:16,459 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:06:16,460 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:06:16,460 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:06:16,460 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:06:16,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:06:16,461 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:06:16,461 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:06:16,461 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:06:16,461 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:06:16,461 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:06:16,461 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:06:16,462 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_fe33064e-b8f5-4b01-8c4c-795b3d058dad/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe33064e-b8f5-4b01-8c4c-795b3d058dad/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bdc69826daca7e7f55fe3e8067dcb910efb50c9933511961be6fdaa541a8924b [2022-11-20 17:06:16,745 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:06:16,777 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:06:16,781 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:06:16,783 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:06:16,786 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:06:16,789 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe33064e-b8f5-4b01-8c4c-795b3d058dad/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_67_bad.i [2022-11-20 17:06:19,876 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:06:20,300 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:06:20,301 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe33064e-b8f5-4b01-8c4c-795b3d058dad/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_67_bad.i [2022-11-20 17:06:20,324 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe33064e-b8f5-4b01-8c4c-795b3d058dad/bin/ukojak-pZX7IvK2PQ/data/60b9500f1/a9b813659e314cd9bc836a5dcdcd833b/FLAG4282039cb [2022-11-20 17:06:20,344 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe33064e-b8f5-4b01-8c4c-795b3d058dad/bin/ukojak-pZX7IvK2PQ/data/60b9500f1/a9b813659e314cd9bc836a5dcdcd833b [2022-11-20 17:06:20,347 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:06:20,348 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:06:20,350 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:06:20,350 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:06:20,353 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:06:20,354 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:06:20" (1/1) ... [2022-11-20 17:06:20,355 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@634697cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:06:20, skipping insertion in model container [2022-11-20 17:06:20,356 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:06:20" (1/1) ... [2022-11-20 17:06:20,364 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:06:20,418 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:06:20,833 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:06:21,343 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:06:21,362 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:06:21,403 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:06:21,490 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:06:21,650 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:06:21,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:06:21 WrapperNode [2022-11-20 17:06:21,651 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:06:21,652 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:06:21,653 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:06:21,653 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:06:21,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:06:21" (1/1) ... [2022-11-20 17:06:21,691 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:06:21" (1/1) ... [2022-11-20 17:06:21,723 INFO L138 Inliner]: procedures = 500, calls = 63, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 68 [2022-11-20 17:06:21,723 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:06:21,724 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:06:21,724 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:06:21,724 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:06:21,734 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:06:21" (1/1) ... [2022-11-20 17:06:21,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:06:21" (1/1) ... [2022-11-20 17:06:21,737 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:06:21" (1/1) ... [2022-11-20 17:06:21,738 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:06:21" (1/1) ... [2022-11-20 17:06:21,745 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:06:21" (1/1) ... [2022-11-20 17:06:21,752 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:06:21" (1/1) ... [2022-11-20 17:06:21,754 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:06:21" (1/1) ... [2022-11-20 17:06:21,756 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:06:21" (1/1) ... [2022-11-20 17:06:21,759 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:06:21,760 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:06:21,760 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:06:21,760 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:06:21,761 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:06:21" (1/1) ... [2022-11-20 17:06:21,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:06:21,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe33064e-b8f5-4b01-8c4c-795b3d058dad/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:06:21,812 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe33064e-b8f5-4b01-8c4c-795b3d058dad/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:06:21,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe33064e-b8f5-4b01-8c4c-795b3d058dad/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:06:21,862 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 17:06:21,863 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 17:06:21,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:06:21,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 17:06:21,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:06:21,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:06:21,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:06:21,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:06:21,865 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 17:06:21,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 17:06:21,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:06:22,030 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:06:22,032 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:06:22,246 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:06:22,376 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:06:22,376 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 17:06:22,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:06:22 BoogieIcfgContainer [2022-11-20 17:06:22,379 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:06:22,380 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:06:22,380 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:06:22,390 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:06:22,391 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:06:22" (1/1) ... [2022-11-20 17:06:22,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:06:22,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:06:22,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-20 17:06:22,456 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-20 17:06:22,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 17:06:22,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:06:22,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:06:22,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:06:23,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:06:23,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:06:23,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2022-11-20 17:06:23,153 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2022-11-20 17:06:23,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 17:06:23,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:06:23,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:06:23,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:06:23,233 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 17:06:23,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:06:23,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:06:23,372 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 17:06:23,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:06:23,425 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2022-11-20 17:06:23,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:06:23 ImpRootNode [2022-11-20 17:06:23,465 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:06:23,466 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:06:23,467 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:06:23,467 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:06:23,467 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:06:22" (3/4) ... [2022-11-20 17:06:23,479 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 17:06:23,480 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:06:23,481 INFO L158 Benchmark]: Toolchain (without parser) took 3132.51ms. Allocated memory is still 184.5MB. Free memory was 136.5MB in the beginning and 131.6MB in the end (delta: 4.8MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2022-11-20 17:06:23,482 INFO L158 Benchmark]: CDTParser took 0.59ms. Allocated memory is still 140.5MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:06:23,483 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1301.86ms. Allocated memory is still 184.5MB. Free memory was 136.5MB in the beginning and 142.3MB in the end (delta: -5.8MB). Peak memory consumption was 63.8MB. Max. memory is 16.1GB. [2022-11-20 17:06:23,483 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.26ms. Allocated memory is still 184.5MB. Free memory was 142.3MB in the beginning and 139.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:06:23,485 INFO L158 Benchmark]: Boogie Preprocessor took 34.98ms. Allocated memory is still 184.5MB. Free memory was 139.2MB in the beginning and 138.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:06:23,486 INFO L158 Benchmark]: RCFGBuilder took 619.27ms. Allocated memory is still 184.5MB. Free memory was 138.1MB in the beginning and 116.1MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-20 17:06:23,487 INFO L158 Benchmark]: CodeCheck took 1086.10ms. Allocated memory is still 184.5MB. Free memory was 116.0MB in the beginning and 131.6MB in the end (delta: -15.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:06:23,488 INFO L158 Benchmark]: Witness Printer took 13.68ms. Allocated memory is still 184.5MB. Free memory is still 131.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:06:23,496 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: 1.0s, 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, 0.1s 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, 0.5s 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: 1573]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1558, overapproximation of bitwiseAnd at line 1558. 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); [L1565] 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) [L1565] RET printLine("Calling bad()...") VAL [\old(argc)=14, argc=14, argv={16:13}, argv={16:13}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] CALL CWE191_Integer_Underflow__int_rand_sub_67_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_rand_sub_67_structType myStruct; [L1557] data = 0 [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1559] myStruct.structFirst = data [L1560] CALL CWE191_Integer_Underflow__int_rand_sub_67b_badSink(myStruct) [L1571] EXPR myStruct.structFirst [L1571] int data = myStruct.structFirst; [L1573] data - 1 VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, myStruct={59:0}, unknown-#in~myStruct!structFirst-unknown=-2147483648] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59ms. Allocated memory is still 140.5MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1301.86ms. Allocated memory is still 184.5MB. Free memory was 136.5MB in the beginning and 142.3MB in the end (delta: -5.8MB). Peak memory consumption was 63.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.26ms. Allocated memory is still 184.5MB. Free memory was 142.3MB in the beginning and 139.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.98ms. Allocated memory is still 184.5MB. Free memory was 139.2MB in the beginning and 138.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 619.27ms. Allocated memory is still 184.5MB. Free memory was 138.1MB in the beginning and 116.1MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 1086.10ms. Allocated memory is still 184.5MB. Free memory was 116.0MB in the beginning and 131.6MB in the end (delta: -15.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 13.68ms. Allocated memory is still 184.5MB. Free memory is still 131.6MB. 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 [2022-11-20 17:06:23,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe33064e-b8f5-4b01-8c4c-795b3d058dad/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe33064e-b8f5-4b01-8c4c-795b3d058dad/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe33064e-b8f5-4b01-8c4c-795b3d058dad/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_fe33064e-b8f5-4b01-8c4c-795b3d058dad/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe33064e-b8f5-4b01-8c4c-795b3d058dad/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_67_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe33064e-b8f5-4b01-8c4c-795b3d058dad/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_fe33064e-b8f5-4b01-8c4c-795b3d058dad/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 bdc69826daca7e7f55fe3e8067dcb910efb50c9933511961be6fdaa541a8924b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 17:06:25,987 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:06:25,989 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:06:26,014 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:06:26,017 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:06:26,021 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:06:26,026 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:06:26,029 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:06:26,032 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:06:26,037 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:06:26,038 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:06:26,041 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:06:26,042 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:06:26,044 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:06:26,047 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:06:26,049 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:06:26,051 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:06:26,052 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:06:26,055 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:06:26,061 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:06:26,063 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:06:26,064 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:06:26,065 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:06:26,066 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:06:26,070 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:06:26,071 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:06:26,071 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:06:26,072 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:06:26,073 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:06:26,074 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:06:26,074 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:06:26,075 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:06:26,076 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:06:26,077 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:06:26,090 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:06:26,091 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:06:26,097 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:06:26,098 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:06:26,098 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:06:26,099 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:06:26,100 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:06:26,101 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe33064e-b8f5-4b01-8c4c-795b3d058dad/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2022-11-20 17:06:26,144 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:06:26,144 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:06:26,145 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:06:26,145 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:06:26,146 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:06:26,146 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:06:26,147 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:06:26,147 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:06:26,147 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:06:26,148 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:06:26,148 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:06:26,148 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:06:26,148 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 17:06:26,149 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 17:06:26,149 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:06:26,149 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 17:06:26,150 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:06:26,150 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:06:26,150 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:06:26,150 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:06:26,151 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:06:26,151 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:06:26,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:06:26,152 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:06:26,152 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:06:26,152 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:06:26,153 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 17:06:26,153 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 17:06:26,153 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:06:26,153 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 17:06:26,154 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 17:06:26,154 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_fe33064e-b8f5-4b01-8c4c-795b3d058dad/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe33064e-b8f5-4b01-8c4c-795b3d058dad/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bdc69826daca7e7f55fe3e8067dcb910efb50c9933511961be6fdaa541a8924b [2022-11-20 17:06:26,558 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:06:26,584 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:06:26,587 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:06:26,588 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:06:26,590 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:06:26,592 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe33064e-b8f5-4b01-8c4c-795b3d058dad/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_67_bad.i [2022-11-20 17:06:29,970 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:06:30,288 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:06:30,288 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe33064e-b8f5-4b01-8c4c-795b3d058dad/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_67_bad.i [2022-11-20 17:06:30,306 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe33064e-b8f5-4b01-8c4c-795b3d058dad/bin/ukojak-pZX7IvK2PQ/data/632981963/beb2d8ff16df4713a6c55fa0cf08564e/FLAG5f33c9a46 [2022-11-20 17:06:30,329 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe33064e-b8f5-4b01-8c4c-795b3d058dad/bin/ukojak-pZX7IvK2PQ/data/632981963/beb2d8ff16df4713a6c55fa0cf08564e [2022-11-20 17:06:30,336 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:06:30,337 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:06:30,341 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:06:30,341 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:06:30,345 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:06:30,346 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:06:30" (1/1) ... [2022-11-20 17:06:30,347 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3be0fd87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:06:30, skipping insertion in model container [2022-11-20 17:06:30,350 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:06:30" (1/1) ... [2022-11-20 17:06:30,357 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:06:30,430 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:06:30,858 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:06:31,222 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented. at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitvectorTranslation.constructOverflowCheckForBinaryBitwiseIntegerExpression(BitvectorTranslation.java:1570) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.addIntegerBoundsCheck(CExpressionTranslator.java:1060) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.handleBitshiftOperation(CExpressionTranslator.java:430) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:834) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:727) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1126) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.TypeHandler.visit(TypeHandler.java:357) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:177) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:143) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-20 17:06:31,230 INFO L158 Benchmark]: Toolchain (without parser) took 892.40ms. Allocated memory is still 88.1MB. Free memory was 66.5MB in the beginning and 51.2MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 17:06:31,231 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 58.7MB. Free memory was 37.0MB in the beginning and 36.9MB in the end (delta: 44.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:06:31,232 INFO L158 Benchmark]: CACSL2BoogieTranslator took 887.85ms. Allocated memory is still 88.1MB. Free memory was 66.3MB in the beginning and 51.2MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 17:06:31,233 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 58.7MB. Free memory was 37.0MB in the beginning and 36.9MB in the end (delta: 44.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 887.85ms. Allocated memory is still 88.1MB. Free memory was 66.3MB in the beginning and 51.2MB 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.