./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_41_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bb1ee7-f8f2-49b8-998b-648c9ee0cace/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bb1ee7-f8f2-49b8-998b-648c9ee0cace/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_86bb1ee7-f8f2-49b8-998b-648c9ee0cace/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bb1ee7-f8f2-49b8-998b-648c9ee0cace/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_41_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bb1ee7-f8f2-49b8-998b-648c9ee0cace/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_86bb1ee7-f8f2-49b8-998b-648c9ee0cace/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 013c54721d9e54840e4e40d7f514a5b65c6d86e51d022b6728a9bdb59910a888 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:24:17,141 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:24:17,301 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bb1ee7-f8f2-49b8-998b-648c9ee0cace/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 03:24:17,305 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:24:17,306 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:24:17,341 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:24:17,343 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:24:17,344 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:24:17,345 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:24:17,350 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:24:17,352 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:24:17,352 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:24:17,353 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:24:17,354 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:24:17,355 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:24:17,355 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:24:17,356 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:24:17,356 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:24:17,356 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:24:17,357 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:24:17,357 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:24:17,358 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:24:17,358 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:24:17,360 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:24:17,361 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:24:17,361 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:24:17,362 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:24:17,362 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:24:17,363 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:24:17,363 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:24:17,364 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:24:17,365 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:24:17,365 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_86bb1ee7-f8f2-49b8-998b-648c9ee0cace/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bb1ee7-f8f2-49b8-998b-648c9ee0cace/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 013c54721d9e54840e4e40d7f514a5b65c6d86e51d022b6728a9bdb59910a888 [2023-11-19 03:24:17,714 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:24:17,742 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:24:17,746 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:24:17,748 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:24:17,748 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:24:17,749 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bb1ee7-f8f2-49b8-998b-648c9ee0cace/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_41_bad.i [2023-11-19 03:24:20,800 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:24:21,219 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:24:21,221 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bb1ee7-f8f2-49b8-998b-648c9ee0cace/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_41_bad.i [2023-11-19 03:24:21,261 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bb1ee7-f8f2-49b8-998b-648c9ee0cace/bin/ukojak-verify-G8NBE6pJGL/data/523bc672f/bdb92088087f4088829b10d8c559a333/FLAG51e468f4a [2023-11-19 03:24:21,279 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bb1ee7-f8f2-49b8-998b-648c9ee0cace/bin/ukojak-verify-G8NBE6pJGL/data/523bc672f/bdb92088087f4088829b10d8c559a333 [2023-11-19 03:24:21,285 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:24:21,286 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:24:21,290 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:24:21,291 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:24:21,294 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:24:21,295 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:24:21" (1/1) ... [2023-11-19 03:24:21,296 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37a615f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:21, skipping insertion in model container [2023-11-19 03:24:21,296 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:24:21" (1/1) ... [2023-11-19 03:24:21,355 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:24:21,723 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:24:22,353 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:24:22,368 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:24:22,407 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:24:22,506 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:24:22,684 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:24:22,684 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:24:22,684 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:24:22,684 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:24:22,685 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:24:22,693 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:24:22,694 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:22 WrapperNode [2023-11-19 03:24:22,694 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:24:22,695 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:24:22,695 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:24:22,696 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:24:22,704 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:22" (1/1) ... [2023-11-19 03:24:22,740 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:22" (1/1) ... [2023-11-19 03:24:22,780 INFO L138 Inliner]: procedures = 500, calls = 57, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 89 [2023-11-19 03:24:22,780 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:24:22,781 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:24:22,781 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:24:22,782 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:24:22,792 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:22" (1/1) ... [2023-11-19 03:24:22,792 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:22" (1/1) ... [2023-11-19 03:24:22,796 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:22" (1/1) ... [2023-11-19 03:24:22,796 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:22" (1/1) ... [2023-11-19 03:24:22,803 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:22" (1/1) ... [2023-11-19 03:24:22,805 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:22" (1/1) ... [2023-11-19 03:24:22,808 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:22" (1/1) ... [2023-11-19 03:24:22,810 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:22" (1/1) ... [2023-11-19 03:24:22,814 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:24:22,815 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:24:22,815 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:24:22,815 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:24:22,816 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:22" (1/1) ... [2023-11-19 03:24:22,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:24:22,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bb1ee7-f8f2-49b8-998b-648c9ee0cace/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:24:22,909 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bb1ee7-f8f2-49b8-998b-648c9ee0cace/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:24:22,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bb1ee7-f8f2-49b8-998b-648c9ee0cace/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:24:23,002 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 03:24:23,003 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 03:24:23,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:24:23,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:24:23,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:24:23,005 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 03:24:23,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:24:23,185 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:24:23,187 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:24:23,374 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:24:23,723 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:24:23,723 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:24:23,728 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:24:23 BoogieIcfgContainer [2023-11-19 03:24:23,728 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:24:23,729 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:24:23,730 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:24:23,740 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:24:23,741 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:24:23" (1/1) ... [2023-11-19 03:24:23,750 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:24:23,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:23,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-19 03:24:23,801 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-19 03:24:23,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:24:23,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:23,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:24:23,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:24:24,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:24:24,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:24,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2023-11-19 03:24:24,287 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2023-11-19 03:24:24,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:24:24,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:24,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:24:24,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:24:24,434 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:24:24,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:24:24,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:24:24,755 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:24:24,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:24:24,813 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-19 03:24:24,860 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:24:24 ImpRootNode [2023-11-19 03:24:24,860 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:24:24,861 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:24:24,861 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:24:24,861 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:24:24,862 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:24:23" (3/4) ... [2023-11-19 03:24:24,866 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:24:24,868 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:24:24,869 INFO L158 Benchmark]: Toolchain (without parser) took 3582.29ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 112.7MB in the beginning and 133.9MB in the end (delta: -21.1MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2023-11-19 03:24:24,870 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 109.1MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:24:24,871 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1403.83ms. Allocated memory is still 151.0MB. Free memory was 112.1MB in the beginning and 95.0MB in the end (delta: 17.1MB). Peak memory consumption was 48.7MB. Max. memory is 16.1GB. [2023-11-19 03:24:24,871 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.43ms. Allocated memory is still 151.0MB. Free memory was 95.0MB in the beginning and 91.8MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:24:24,872 INFO L158 Benchmark]: Boogie Preprocessor took 32.84ms. Allocated memory is still 151.0MB. Free memory was 91.8MB in the beginning and 90.8MB in the end (delta: 967.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:24:24,873 INFO L158 Benchmark]: RCFGBuilder took 913.88ms. Allocated memory is still 151.0MB. Free memory was 90.7MB in the beginning and 84.0MB in the end (delta: 6.7MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2023-11-19 03:24:24,874 INFO L158 Benchmark]: CodeCheck took 1130.82ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 84.0MB in the beginning and 134.8MB in the end (delta: -50.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:24:24,879 INFO L158 Benchmark]: Witness Printer took 6.98ms. Allocated memory is still 182.5MB. Free memory was 134.8MB in the beginning and 133.9MB in the end (delta: 900.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:24:24,887 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 6 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, 6 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 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: 1552]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1560. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1566] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1566] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=13, argc=13, argv={12:14}, argv={12:14}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1567] CALL CWE190_Integer_Overflow__int_rand_multiply_41_bad() [L1558] int data; [L1559] data = 0 [L1560] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1560] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1560] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1560] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1560] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1561] CALL badSink(data) [L1550] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=1073741824, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=1073741824, data=1073741824, 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 0.29ms. Allocated memory is still 109.1MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1403.83ms. Allocated memory is still 151.0MB. Free memory was 112.1MB in the beginning and 95.0MB in the end (delta: 17.1MB). Peak memory consumption was 48.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.43ms. Allocated memory is still 151.0MB. Free memory was 95.0MB in the beginning and 91.8MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.84ms. Allocated memory is still 151.0MB. Free memory was 91.8MB in the beginning and 90.8MB in the end (delta: 967.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 913.88ms. Allocated memory is still 151.0MB. Free memory was 90.7MB in the beginning and 84.0MB in the end (delta: 6.7MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. * CodeCheck took 1130.82ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 84.0MB in the beginning and 134.8MB in the end (delta: -50.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.98ms. Allocated memory is still 182.5MB. Free memory was 134.8MB in the beginning and 133.9MB in the end (delta: 900.3kB). 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 03:24:24,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bb1ee7-f8f2-49b8-998b-648c9ee0cace/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bb1ee7-f8f2-49b8-998b-648c9ee0cace/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bb1ee7-f8f2-49b8-998b-648c9ee0cace/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_86bb1ee7-f8f2-49b8-998b-648c9ee0cace/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bb1ee7-f8f2-49b8-998b-648c9ee0cace/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_41_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bb1ee7-f8f2-49b8-998b-648c9ee0cace/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_86bb1ee7-f8f2-49b8-998b-648c9ee0cace/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 013c54721d9e54840e4e40d7f514a5b65c6d86e51d022b6728a9bdb59910a888 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:24:27,709 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:24:27,785 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bb1ee7-f8f2-49b8-998b-648c9ee0cace/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-19 03:24:27,836 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:24:27,837 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:24:27,838 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:24:27,840 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:24:27,840 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:24:27,841 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:24:27,847 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:24:27,848 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:24:27,848 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:24:27,849 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:24:27,851 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:24:27,851 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:24:27,852 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:24:27,852 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:24:27,852 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:24:27,853 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:24:27,853 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:24:27,854 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:24:27,855 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:24:27,856 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:24:27,856 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:24:27,856 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:24:27,857 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:24:27,857 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:24:27,858 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:24:27,858 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:24:27,859 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:24:27,860 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:24:27,861 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:24:27,861 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:24:27,862 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:24:27,862 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:24:27,862 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:24:27,863 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_86bb1ee7-f8f2-49b8-998b-648c9ee0cace/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bb1ee7-f8f2-49b8-998b-648c9ee0cace/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 013c54721d9e54840e4e40d7f514a5b65c6d86e51d022b6728a9bdb59910a888 [2023-11-19 03:24:28,247 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:24:28,275 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:24:28,278 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:24:28,279 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:24:28,280 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:24:28,282 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bb1ee7-f8f2-49b8-998b-648c9ee0cace/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_41_bad.i [2023-11-19 03:24:31,544 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:24:32,051 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:24:32,052 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bb1ee7-f8f2-49b8-998b-648c9ee0cace/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_41_bad.i [2023-11-19 03:24:32,084 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bb1ee7-f8f2-49b8-998b-648c9ee0cace/bin/ukojak-verify-G8NBE6pJGL/data/412a1cb49/08e4296e40184998842266b817118f32/FLAG62ef8879a [2023-11-19 03:24:32,102 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bb1ee7-f8f2-49b8-998b-648c9ee0cace/bin/ukojak-verify-G8NBE6pJGL/data/412a1cb49/08e4296e40184998842266b817118f32 [2023-11-19 03:24:32,105 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:24:32,106 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:24:32,108 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:24:32,108 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:24:32,114 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:24:32,115 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:24:32" (1/1) ... [2023-11-19 03:24:32,116 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1abe9498 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:32, skipping insertion in model container [2023-11-19 03:24:32,116 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:24:32" (1/1) ... [2023-11-19 03:24:32,213 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:24:32,742 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:24:33,564 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:24:33,578 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:24:33,598 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:24:33,668 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:24:33,855 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:24:33,855 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:24:33,856 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:24:33,856 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:24:33,856 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:24:33,865 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:24:33,866 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:33 WrapperNode [2023-11-19 03:24:33,866 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:24:33,868 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:24:33,868 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:24:33,868 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:24:33,877 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:33" (1/1) ... [2023-11-19 03:24:33,912 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:33" (1/1) ... [2023-11-19 03:24:33,953 INFO L138 Inliner]: procedures = 505, calls = 57, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 57 [2023-11-19 03:24:33,954 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:24:33,955 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:24:33,955 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:24:33,955 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:24:33,966 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:33" (1/1) ... [2023-11-19 03:24:33,966 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:33" (1/1) ... [2023-11-19 03:24:33,971 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:33" (1/1) ... [2023-11-19 03:24:33,971 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:33" (1/1) ... [2023-11-19 03:24:34,002 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:33" (1/1) ... [2023-11-19 03:24:34,004 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:33" (1/1) ... [2023-11-19 03:24:34,008 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:33" (1/1) ... [2023-11-19 03:24:34,010 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:33" (1/1) ... [2023-11-19 03:24:34,014 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:24:34,015 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:24:34,016 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:24:34,016 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:24:34,017 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:33" (1/1) ... [2023-11-19 03:24:34,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:24:34,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bb1ee7-f8f2-49b8-998b-648c9ee0cace/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:24:34,051 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bb1ee7-f8f2-49b8-998b-648c9ee0cace/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:24:34,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bb1ee7-f8f2-49b8-998b-648c9ee0cace/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:24:34,117 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 03:24:34,117 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 03:24:34,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:24:34,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:24:34,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:24:34,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:24:34,119 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 03:24:34,332 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:24:34,335 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:24:34,518 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:24:34,599 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:24:34,599 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:24:34,606 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:24:34 BoogieIcfgContainer [2023-11-19 03:24:34,607 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:24:34,609 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:24:34,609 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:24:34,620 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:24:34,620 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:24:34" (1/1) ... [2023-11-19 03:24:34,631 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:24:34,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:34,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-19 03:24:34,701 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-19 03:24:34,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:24:34,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:34,707 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:24:34,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bb1ee7-f8f2-49b8-998b-648c9ee0cace/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:24:34,710 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bb1ee7-f8f2-49b8-998b-648c9ee0cace/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:24:34,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bb1ee7-f8f2-49b8-998b-648c9ee0cace/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:24:34,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:24:34,971 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:24:35,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:24:35,021 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:24:35,025 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:24:35,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:24:35,074 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bb1ee7-f8f2-49b8-998b-648c9ee0cace/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:24:35,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bb1ee7-f8f2-49b8-998b-648c9ee0cace/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-19 03:24:35,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:35,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2023-11-19 03:24:35,134 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2023-11-19 03:24:35,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:24:35,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:35,135 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:24:35,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bb1ee7-f8f2-49b8-998b-648c9ee0cace/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:24:35,137 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bb1ee7-f8f2-49b8-998b-648c9ee0cace/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:24:35,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bb1ee7-f8f2-49b8-998b-648c9ee0cace/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 03:24:35,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:24:35,331 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:24:35,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:24:35,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:24:35,475 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:24:35,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:24:35,518 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bb1ee7-f8f2-49b8-998b-648c9ee0cace/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:24:35,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bb1ee7-f8f2-49b8-998b-648c9ee0cace/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-19 03:24:35,532 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-19 03:24:35,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:24:35 ImpRootNode [2023-11-19 03:24:35,576 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:24:35,577 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:24:35,577 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:24:35,577 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:24:35,578 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:24:34" (3/4) ... [2023-11-19 03:24:35,579 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 03:24:35,670 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bb1ee7-f8f2-49b8-998b-648c9ee0cace/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:24:35,670 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:24:35,671 INFO L158 Benchmark]: Toolchain (without parser) took 3564.58ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 66.5MB in the beginning and 63.8MB in the end (delta: 2.6MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2023-11-19 03:24:35,672 INFO L158 Benchmark]: CDTParser took 0.69ms. Allocated memory is still 71.3MB. Free memory is still 47.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:24:35,672 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1758.79ms. Allocated memory is still 94.4MB. Free memory was 66.3MB in the beginning and 44.5MB in the end (delta: 21.8MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. [2023-11-19 03:24:35,673 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.22ms. Allocated memory is still 94.4MB. Free memory was 44.5MB in the beginning and 65.7MB in the end (delta: -21.2MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2023-11-19 03:24:35,673 INFO L158 Benchmark]: Boogie Preprocessor took 60.07ms. Allocated memory is still 94.4MB. Free memory was 65.7MB in the beginning and 63.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:24:35,674 INFO L158 Benchmark]: RCFGBuilder took 591.44ms. Allocated memory is still 94.4MB. Free memory was 63.6MB in the beginning and 45.6MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 03:24:35,674 INFO L158 Benchmark]: CodeCheck took 967.16ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 45.6MB in the beginning and 66.2MB in the end (delta: -20.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:24:35,675 INFO L158 Benchmark]: Witness Printer took 93.45ms. Allocated memory is still 113.2MB. Free memory was 65.9MB in the beginning and 63.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:24:35,680 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 6 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, 6 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 44 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, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 42 ConjunctsInSsa, 2 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 - CounterExampleResult [Line: 1552]: 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); [L1566] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1566] RET printLine("Calling bad()...") VAL [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] [L1567] CALL CWE190_Integer_Overflow__int_rand_multiply_41_bad() [L1558] int data; [L1559] data = 0 [L1560] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1560] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1560] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1561] CALL badSink(data) [L1550] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=2147483647, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=2147483647, data=2147483647, 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 71.3MB. Free memory is still 47.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1758.79ms. Allocated memory is still 94.4MB. Free memory was 66.3MB in the beginning and 44.5MB in the end (delta: 21.8MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.22ms. Allocated memory is still 94.4MB. Free memory was 44.5MB in the beginning and 65.7MB in the end (delta: -21.2MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.07ms. Allocated memory is still 94.4MB. Free memory was 65.7MB in the beginning and 63.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 591.44ms. Allocated memory is still 94.4MB. Free memory was 63.6MB in the beginning and 45.6MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 967.16ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 45.6MB in the beginning and 66.2MB in the end (delta: -20.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 93.45ms. Allocated memory is still 113.2MB. Free memory was 65.9MB in the beginning and 63.8MB 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 03:24:35,713 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bb1ee7-f8f2-49b8-998b-648c9ee0cace/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)