./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_02_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_415f53c5-44d1-405a-95a1-4ea9d20b4c62/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f53c5-44d1-405a-95a1-4ea9d20b4c62/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f53c5-44d1-405a-95a1-4ea9d20b4c62/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f53c5-44d1-405a-95a1-4ea9d20b4c62/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_02_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f53c5-44d1-405a-95a1-4ea9d20b4c62/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f53c5-44d1-405a-95a1-4ea9d20b4c62/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --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 64cd393683af38b1e269cbf5df7e3124cf504d7be3c9164b51306a9786286716 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:08:05,063 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:08:05,144 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f53c5-44d1-405a-95a1-4ea9d20b4c62/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 03:08:05,150 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:08:05,151 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:08:05,187 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:08:05,188 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:08:05,189 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:08:05,190 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:08:05,197 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:08:05,197 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:08:05,198 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:08:05,198 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:08:05,200 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:08:05,201 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:08:05,201 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:08:05,202 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:08:05,202 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:08:05,202 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:08:05,203 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:08:05,203 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:08:05,204 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:08:05,205 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:08:05,207 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:08:05,208 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:08:05,208 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:08:05,209 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:08:05,209 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:08:05,210 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:08:05,210 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:08:05,211 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:08:05,212 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:08:05,212 INFO L153 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_415f53c5-44d1-405a-95a1-4ea9d20b4c62/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f53c5-44d1-405a-95a1-4ea9d20b4c62/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64cd393683af38b1e269cbf5df7e3124cf504d7be3c9164b51306a9786286716 [2023-11-19 03:08:05,572 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:08:05,600 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:08:05,603 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:08:05,605 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:08:05,605 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:08:05,607 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f53c5-44d1-405a-95a1-4ea9d20b4c62/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_02_bad.i [2023-11-19 03:08:09,075 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:08:09,554 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:08:09,558 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f53c5-44d1-405a-95a1-4ea9d20b4c62/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_02_bad.i [2023-11-19 03:08:09,598 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f53c5-44d1-405a-95a1-4ea9d20b4c62/bin/ukojak-verify-G8NBE6pJGL/data/94a369cf5/140883161e9d4151acb1ecd4e6f9cbbc/FLAG3e702ab4a [2023-11-19 03:08:09,628 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f53c5-44d1-405a-95a1-4ea9d20b4c62/bin/ukojak-verify-G8NBE6pJGL/data/94a369cf5/140883161e9d4151acb1ecd4e6f9cbbc [2023-11-19 03:08:09,633 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:08:09,638 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:08:09,644 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:08:09,645 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:08:09,651 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:08:09,654 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:08:09" (1/1) ... [2023-11-19 03:08:09,655 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ce9d869 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:09, skipping insertion in model container [2023-11-19 03:08:09,657 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:08:09" (1/1) ... [2023-11-19 03:08:09,745 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:08:10,213 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:08:10,946 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:08:10,966 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:08:11,027 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:08:11,129 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:08:11,383 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:08:11,384 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:08:11,384 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:08:11,384 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:08:11,385 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:08:11,394 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:08:11,395 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:11 WrapperNode [2023-11-19 03:08:11,395 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:08:11,396 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:08:11,397 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:08:11,397 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:08:11,405 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:11" (1/1) ... [2023-11-19 03:08:11,442 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:11" (1/1) ... [2023-11-19 03:08:11,493 INFO L138 Inliner]: procedures = 499, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 91 [2023-11-19 03:08:11,499 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:08:11,500 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:08:11,500 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:08:11,501 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:08:11,513 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:11" (1/1) ... [2023-11-19 03:08:11,513 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:11" (1/1) ... [2023-11-19 03:08:11,517 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:11" (1/1) ... [2023-11-19 03:08:11,517 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:11" (1/1) ... [2023-11-19 03:08:11,524 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:11" (1/1) ... [2023-11-19 03:08:11,527 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:11" (1/1) ... [2023-11-19 03:08:11,530 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:11" (1/1) ... [2023-11-19 03:08:11,532 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:11" (1/1) ... [2023-11-19 03:08:11,536 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:08:11,537 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:08:11,537 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:08:11,537 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:08:11,538 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:11" (1/1) ... [2023-11-19 03:08:11,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:08:11,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f53c5-44d1-405a-95a1-4ea9d20b4c62/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:08:11,597 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f53c5-44d1-405a-95a1-4ea9d20b4c62/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:08:11,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f53c5-44d1-405a-95a1-4ea9d20b4c62/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:08:11,639 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 03:08:11,640 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 03:08:11,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:08:11,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:08:11,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:08:11,641 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 03:08:11,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:08:11,830 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:08:11,833 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:08:12,198 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:08:12,541 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:08:12,542 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:08:12,547 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:08:12 BoogieIcfgContainer [2023-11-19 03:08:12,547 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:08:12,549 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:08:12,549 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:08:12,562 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:08:12,564 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:08:12" (1/1) ... [2023-11-19 03:08:12,577 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:08:12,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:12,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2023-11-19 03:08:12,665 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2023-11-19 03:08:12,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:08:12,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:12,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:13,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:08:13,170 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:08:13,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:08:13,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:08:13,470 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:08:13,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:08:13,524 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 03:08:13,563 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:08:13 ImpRootNode [2023-11-19 03:08:13,563 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:08:13,566 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:08:13,566 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:08:13,567 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:08:13,568 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:08:12" (3/4) ... [2023-11-19 03:08:13,570 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:08:13,572 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:08:13,573 INFO L158 Benchmark]: Toolchain (without parser) took 3937.77ms. Allocated memory was 167.8MB in the beginning and 241.2MB in the end (delta: 73.4MB). Free memory was 116.9MB in the beginning and 106.1MB in the end (delta: 10.8MB). Peak memory consumption was 85.9MB. Max. memory is 16.1GB. [2023-11-19 03:08:13,574 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 167.8MB. Free memory is still 114.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:08:13,574 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1751.30ms. Allocated memory was 167.8MB in the beginning and 241.2MB in the end (delta: 73.4MB). Free memory was 116.9MB in the beginning and 199.4MB in the end (delta: -82.5MB). Peak memory consumption was 71.2MB. Max. memory is 16.1GB. [2023-11-19 03:08:13,576 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.10ms. Allocated memory is still 241.2MB. Free memory was 199.4MB in the beginning and 195.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:08:13,576 INFO L158 Benchmark]: Boogie Preprocessor took 36.01ms. Allocated memory is still 241.2MB. Free memory was 195.2MB in the beginning and 194.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:08:13,577 INFO L158 Benchmark]: RCFGBuilder took 1010.34ms. Allocated memory is still 241.2MB. Free memory was 194.2MB in the beginning and 152.2MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-19 03:08:13,579 INFO L158 Benchmark]: CodeCheck took 1014.17ms. Allocated memory is still 241.2MB. Free memory was 152.2MB in the beginning and 106.1MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-11-19 03:08:13,579 INFO L158 Benchmark]: Witness Printer took 5.82ms. Allocated memory is still 241.2MB. Free memory is still 106.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:08:13,589 INFO L338 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, 13 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr 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); [L1568] 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) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=13, argc=13, argv={14:12}, argv={14:12}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_rand_predec_02_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 ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [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)) [L1559] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, 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 0.45ms. Allocated memory is still 167.8MB. Free memory is still 114.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1751.30ms. Allocated memory was 167.8MB in the beginning and 241.2MB in the end (delta: 73.4MB). Free memory was 116.9MB in the beginning and 199.4MB in the end (delta: -82.5MB). Peak memory consumption was 71.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.10ms. Allocated memory is still 241.2MB. Free memory was 199.4MB in the beginning and 195.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.01ms. Allocated memory is still 241.2MB. Free memory was 195.2MB in the beginning and 194.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1010.34ms. Allocated memory is still 241.2MB. Free memory was 194.2MB in the beginning and 152.2MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 1014.17ms. Allocated memory is still 241.2MB. Free memory was 152.2MB in the beginning and 106.1MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Witness Printer took 5.82ms. Allocated memory is still 241.2MB. Free memory is still 106.1MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 03:08:13,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f53c5-44d1-405a-95a1-4ea9d20b4c62/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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_415f53c5-44d1-405a-95a1-4ea9d20b4c62/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f53c5-44d1-405a-95a1-4ea9d20b4c62/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f53c5-44d1-405a-95a1-4ea9d20b4c62/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f53c5-44d1-405a-95a1-4ea9d20b4c62/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_02_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f53c5-44d1-405a-95a1-4ea9d20b4c62/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f53c5-44d1-405a-95a1-4ea9d20b4c62/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --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 64cd393683af38b1e269cbf5df7e3124cf504d7be3c9164b51306a9786286716 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:08:16,403 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:08:16,561 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f53c5-44d1-405a-95a1-4ea9d20b4c62/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-19 03:08:16,625 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:08:16,627 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:08:16,628 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:08:16,629 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:08:16,630 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:08:16,631 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:08:16,637 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:08:16,637 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:08:16,638 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:08:16,638 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:08:16,640 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:08:16,641 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:08:16,641 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:08:16,642 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:08:16,642 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:08:16,643 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:08:16,644 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:08:16,644 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:08:16,645 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:08:16,646 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:08:16,646 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:08:16,647 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:08:16,647 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:08:16,647 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:08:16,648 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:08:16,648 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:08:16,649 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:08:16,650 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:08:16,651 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:08:16,651 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:08:16,651 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:08:16,652 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:08:16,652 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:08:16,652 INFO L153 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_415f53c5-44d1-405a-95a1-4ea9d20b4c62/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f53c5-44d1-405a-95a1-4ea9d20b4c62/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64cd393683af38b1e269cbf5df7e3124cf504d7be3c9164b51306a9786286716 [2023-11-19 03:08:17,152 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:08:17,189 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:08:17,193 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:08:17,195 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:08:17,196 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:08:17,198 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f53c5-44d1-405a-95a1-4ea9d20b4c62/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_02_bad.i [2023-11-19 03:08:20,471 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:08:20,963 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:08:20,964 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f53c5-44d1-405a-95a1-4ea9d20b4c62/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_02_bad.i [2023-11-19 03:08:21,001 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f53c5-44d1-405a-95a1-4ea9d20b4c62/bin/ukojak-verify-G8NBE6pJGL/data/e3fb82dc8/85e32a789c934b018dc65a014f2b5b26/FLAG37f00d7a1 [2023-11-19 03:08:21,017 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f53c5-44d1-405a-95a1-4ea9d20b4c62/bin/ukojak-verify-G8NBE6pJGL/data/e3fb82dc8/85e32a789c934b018dc65a014f2b5b26 [2023-11-19 03:08:21,020 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:08:21,021 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:08:21,023 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:08:21,023 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:08:21,028 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:08:21,029 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:08:21" (1/1) ... [2023-11-19 03:08:21,030 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f445811 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:21, skipping insertion in model container [2023-11-19 03:08:21,031 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:08:21" (1/1) ... [2023-11-19 03:08:21,094 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:08:21,529 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:08:22,210 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:08:22,226 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:08:22,247 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:08:22,316 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:08:22,450 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:08:22,450 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:08:22,450 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:08:22,450 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:08:22,451 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:08:22,458 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:08:22,459 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:22 WrapperNode [2023-11-19 03:08:22,459 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:08:22,465 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:08:22,465 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:08:22,465 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:08:22,473 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:22" (1/1) ... [2023-11-19 03:08:22,519 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:22" (1/1) ... [2023-11-19 03:08:22,560 INFO L138 Inliner]: procedures = 504, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2023-11-19 03:08:22,560 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:08:22,561 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:08:22,562 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:08:22,562 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:08:22,572 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:22" (1/1) ... [2023-11-19 03:08:22,572 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:22" (1/1) ... [2023-11-19 03:08:22,577 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:22" (1/1) ... [2023-11-19 03:08:22,578 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:22" (1/1) ... [2023-11-19 03:08:22,588 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:22" (1/1) ... [2023-11-19 03:08:22,590 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:22" (1/1) ... [2023-11-19 03:08:22,594 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:22" (1/1) ... [2023-11-19 03:08:22,597 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:22" (1/1) ... [2023-11-19 03:08:22,602 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:08:22,603 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:08:22,603 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:08:22,603 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:08:22,604 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:22" (1/1) ... [2023-11-19 03:08:22,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:08:22,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f53c5-44d1-405a-95a1-4ea9d20b4c62/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:08:22,665 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f53c5-44d1-405a-95a1-4ea9d20b4c62/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:08:22,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f53c5-44d1-405a-95a1-4ea9d20b4c62/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:08:22,725 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 03:08:22,725 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 03:08:22,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:08:22,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:08:22,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:08:22,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:08:22,726 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 03:08:22,945 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:08:22,948 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:08:23,208 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:08:23,306 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:08:23,307 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:08:23,312 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:08:23 BoogieIcfgContainer [2023-11-19 03:08:23,312 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:08:23,313 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:08:23,313 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:08:23,325 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:08:23,325 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:08:23" (1/1) ... [2023-11-19 03:08:23,335 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:08:23,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:23,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2023-11-19 03:08:23,403 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2023-11-19 03:08:23,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:08:23,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:23,410 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:08:23,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f53c5-44d1-405a-95a1-4ea9d20b4c62/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:08:23,413 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f53c5-44d1-405a-95a1-4ea9d20b4c62/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:08:23,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f53c5-44d1-405a-95a1-4ea9d20b4c62/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:08:23,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:08:23,684 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:08:23,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:08:23,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:08:23,879 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:08:23,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:08:23,932 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f53c5-44d1-405a-95a1-4ea9d20b4c62/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:08:23,940 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f53c5-44d1-405a-95a1-4ea9d20b4c62/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 03:08:23,941 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 03:08:23,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:08:23 ImpRootNode [2023-11-19 03:08:23,980 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:08:23,983 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:08:23,983 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:08:23,984 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:08:23,984 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:08:23" (3/4) ... [2023-11-19 03:08:23,985 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 03:08:24,067 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f53c5-44d1-405a-95a1-4ea9d20b4c62/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:08:24,068 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:08:24,069 INFO L158 Benchmark]: Toolchain (without parser) took 3047.74ms. Allocated memory is still 92.3MB. Free memory was 64.7MB in the beginning and 37.5MB in the end (delta: 27.2MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. [2023-11-19 03:08:24,070 INFO L158 Benchmark]: CDTParser took 0.69ms. Allocated memory is still 65.0MB. Free memory was 40.8MB in the beginning and 40.8MB in the end (delta: 43.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:08:24,071 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1441.53ms. Allocated memory is still 92.3MB. Free memory was 64.5MB in the beginning and 52.5MB in the end (delta: 12.0MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. [2023-11-19 03:08:24,071 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.67ms. Allocated memory is still 92.3MB. Free memory was 52.5MB in the beginning and 49.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:08:24,072 INFO L158 Benchmark]: Boogie Preprocessor took 41.05ms. Allocated memory is still 92.3MB. Free memory was 49.6MB in the beginning and 47.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:08:24,073 INFO L158 Benchmark]: RCFGBuilder took 709.09ms. Allocated memory is still 92.3MB. Free memory was 47.5MB in the beginning and 54.9MB in the end (delta: -7.3MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2023-11-19 03:08:24,073 INFO L158 Benchmark]: CodeCheck took 666.85ms. Allocated memory is still 92.3MB. Free memory was 54.9MB in the beginning and 39.6MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 03:08:24,074 INFO L158 Benchmark]: Witness Printer took 85.37ms. Allocated memory is still 92.3MB. Free memory was 39.6MB in the beginning and 37.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:08:24,082 INFO L338 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, 13 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - CounterExampleResult [Line: 1559]: integer overflow possible integer overflow possible We found a 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); [L1568] 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) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=0, argc=0, argv={0:0}, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_rand_predec_02_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)) [L1559] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, 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 0.69ms. Allocated memory is still 65.0MB. Free memory was 40.8MB in the beginning and 40.8MB in the end (delta: 43.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1441.53ms. Allocated memory is still 92.3MB. Free memory was 64.5MB in the beginning and 52.5MB in the end (delta: 12.0MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.67ms. Allocated memory is still 92.3MB. Free memory was 52.5MB in the beginning and 49.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.05ms. Allocated memory is still 92.3MB. Free memory was 49.6MB in the beginning and 47.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 709.09ms. Allocated memory is still 92.3MB. Free memory was 47.5MB in the beginning and 54.9MB in the end (delta: -7.3MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. * CodeCheck took 666.85ms. Allocated memory is still 92.3MB. Free memory was 54.9MB in the beginning and 39.6MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 85.37ms. Allocated memory is still 92.3MB. Free memory was 39.6MB in the beginning and 37.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-19 03:08:24,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f53c5-44d1-405a-95a1-4ea9d20b4c62/bin/ukojak-verify-G8NBE6pJGL/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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)