./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_52_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_2ffcb35e-7142-4dc9-bf07-0279fb5c6348/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffcb35e-7142-4dc9-bf07-0279fb5c6348/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffcb35e-7142-4dc9-bf07-0279fb5c6348/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffcb35e-7142-4dc9-bf07-0279fb5c6348/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffcb35e-7142-4dc9-bf07-0279fb5c6348/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffcb35e-7142-4dc9-bf07-0279fb5c6348/bin/ukojak-verify-afCqCEvfdi --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 932e07ca16409dffdb32c6740e0e8391e8d2d3ae2d2f1f5d305942a06898006e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:58:48,013 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:58:48,076 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffcb35e-7142-4dc9-bf07-0279fb5c6348/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 22:58:48,081 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:58:48,082 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:58:48,105 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:58:48,106 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:58:48,106 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:58:48,107 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:58:48,108 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:58:48,108 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:58:48,109 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:58:48,110 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:58:48,110 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:58:48,111 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:58:48,111 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:58:48,112 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:58:48,112 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:58:48,113 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:58:48,116 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:58:48,117 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:58:48,118 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:58:48,118 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:58:48,119 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:58:48,119 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:58:48,120 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:58:48,120 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:58:48,121 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:58:48,121 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:58:48,122 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:58:48,122 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:58:48,123 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:58:48,123 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_2ffcb35e-7142-4dc9-bf07-0279fb5c6348/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffcb35e-7142-4dc9-bf07-0279fb5c6348/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 932e07ca16409dffdb32c6740e0e8391e8d2d3ae2d2f1f5d305942a06898006e [2023-11-24 22:58:48,382 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:58:48,402 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:58:48,405 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:58:48,406 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:58:48,407 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:58:48,408 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffcb35e-7142-4dc9-bf07-0279fb5c6348/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_52_bad.i [2023-11-24 22:58:51,514 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:58:51,901 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:58:51,902 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffcb35e-7142-4dc9-bf07-0279fb5c6348/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_52_bad.i [2023-11-24 22:58:51,929 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffcb35e-7142-4dc9-bf07-0279fb5c6348/bin/ukojak-verify-afCqCEvfdi/data/aa80d1117/e607a14d7654439da22ffa2a6b0c8850/FLAG06157406c [2023-11-24 22:58:51,944 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffcb35e-7142-4dc9-bf07-0279fb5c6348/bin/ukojak-verify-afCqCEvfdi/data/aa80d1117/e607a14d7654439da22ffa2a6b0c8850 [2023-11-24 22:58:51,946 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:58:51,948 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:58:51,949 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:58:51,950 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:58:51,954 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:58:51,955 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:58:51" (1/1) ... [2023-11-24 22:58:51,956 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dc80dc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:51, skipping insertion in model container [2023-11-24 22:58:51,957 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:58:51" (1/1) ... [2023-11-24 22:58:52,029 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:58:53,030 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:58:53,047 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:58:53,162 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:58:53,384 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:58:53,385 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:58:53,385 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:58:53,385 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:58:53,393 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:58:53,394 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:53 WrapperNode [2023-11-24 22:58:53,395 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:58:53,396 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:58:53,396 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:58:53,397 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:58:53,405 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:53" (1/1) ... [2023-11-24 22:58:53,444 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:53" (1/1) ... [2023-11-24 22:58:53,488 INFO L138 Inliner]: procedures = 500, calls = 57, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 93 [2023-11-24 22:58:53,488 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:58:53,492 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:58:53,493 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:58:53,493 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:58:53,504 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:53" (1/1) ... [2023-11-24 22:58:53,505 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:53" (1/1) ... [2023-11-24 22:58:53,509 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:53" (1/1) ... [2023-11-24 22:58:53,509 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:53" (1/1) ... [2023-11-24 22:58:53,516 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:53" (1/1) ... [2023-11-24 22:58:53,518 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:53" (1/1) ... [2023-11-24 22:58:53,521 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:53" (1/1) ... [2023-11-24 22:58:53,522 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:53" (1/1) ... [2023-11-24 22:58:53,526 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:58:53,527 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:58:53,527 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:58:53,527 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:58:53,528 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:53" (1/1) ... [2023-11-24 22:58:53,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:58:53,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffcb35e-7142-4dc9-bf07-0279fb5c6348/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:58:53,599 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffcb35e-7142-4dc9-bf07-0279fb5c6348/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:58:53,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffcb35e-7142-4dc9-bf07-0279fb5c6348/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:58:53,646 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:58:53,646 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:58:53,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:58:53,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:58:53,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:58:53,648 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:58:53,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:58:53,870 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:58:53,873 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:58:54,092 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:58:54,368 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:58:54,369 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:58:54,371 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:58:54 BoogieIcfgContainer [2023-11-24 22:58:54,371 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:58:54,372 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:58:54,372 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:58:54,384 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:58:54,384 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:58:54" (1/1) ... [2023-11-24 22:58:54,394 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:58:54,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:54,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-24 22:58:54,451 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-24 22:58:54,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:58:54,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:54,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:54,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:58:54,837 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:58:54,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:58:55,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:58:55,093 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:58:55,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:58:55,147 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:58:55,176 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet111 [2023-11-24 22:58:55,183 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:58:55 ImpRootNode [2023-11-24 22:58:55,183 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:58:55,187 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:58:55,187 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:58:55,188 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:58:55,188 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:58:54" (3/4) ... [2023-11-24 22:58:55,193 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:58:55,194 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:58:55,196 INFO L158 Benchmark]: Toolchain (without parser) took 3247.24ms. Allocated memory was 159.4MB in the beginning and 230.7MB in the end (delta: 71.3MB). Free memory was 107.8MB in the beginning and 107.0MB in the end (delta: 783.9kB). Peak memory consumption was 74.1MB. Max. memory is 16.1GB. [2023-11-24 22:58:55,197 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 159.4MB. Free memory was 129.2MB in the beginning and 129.0MB in the end (delta: 243.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:58:55,198 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1445.84ms. Allocated memory was 159.4MB in the beginning and 230.7MB in the end (delta: 71.3MB). Free memory was 107.5MB in the beginning and 187.8MB in the end (delta: -80.3MB). Peak memory consumption was 72.0MB. Max. memory is 16.1GB. [2023-11-24 22:58:55,199 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.74ms. Allocated memory is still 230.7MB. Free memory was 187.8MB in the beginning and 184.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:58:55,200 INFO L158 Benchmark]: Boogie Preprocessor took 33.91ms. Allocated memory is still 230.7MB. Free memory was 184.6MB in the beginning and 182.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:58:55,201 INFO L158 Benchmark]: RCFGBuilder took 844.01ms. Allocated memory is still 230.7MB. Free memory was 182.5MB in the beginning and 145.8MB in the end (delta: 36.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-24 22:58:55,202 INFO L158 Benchmark]: CodeCheck took 811.85ms. Allocated memory is still 230.7MB. Free memory was 145.8MB in the beginning and 108.1MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-24 22:58:55,203 INFO L158 Benchmark]: Witness Printer took 7.60ms. Allocated memory is still 230.7MB. Free memory was 108.1MB in the beginning and 107.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:58:55,214 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, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, 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, 0.1s 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: 1572]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1559, overapproximation of bitwiseOr at line 1553. 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); [L1559] 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) [L1559] 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}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_rand_sub_52_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_sub_52b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_rand_sub_52c_badSink(data) [L1572] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, 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 0.26ms. Allocated memory is still 159.4MB. Free memory was 129.2MB in the beginning and 129.0MB in the end (delta: 243.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1445.84ms. Allocated memory was 159.4MB in the beginning and 230.7MB in the end (delta: 71.3MB). Free memory was 107.5MB in the beginning and 187.8MB in the end (delta: -80.3MB). Peak memory consumption was 72.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.74ms. Allocated memory is still 230.7MB. Free memory was 187.8MB in the beginning and 184.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.91ms. Allocated memory is still 230.7MB. Free memory was 184.6MB in the beginning and 182.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 844.01ms. Allocated memory is still 230.7MB. Free memory was 182.5MB in the beginning and 145.8MB in the end (delta: 36.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * CodeCheck took 811.85ms. Allocated memory is still 230.7MB. Free memory was 145.8MB in the beginning and 108.1MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Witness Printer took 7.60ms. Allocated memory is still 230.7MB. Free memory was 108.1MB in the beginning and 107.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet111 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 22:58:55,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffcb35e-7142-4dc9-bf07-0279fb5c6348/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffcb35e-7142-4dc9-bf07-0279fb5c6348/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffcb35e-7142-4dc9-bf07-0279fb5c6348/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffcb35e-7142-4dc9-bf07-0279fb5c6348/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffcb35e-7142-4dc9-bf07-0279fb5c6348/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffcb35e-7142-4dc9-bf07-0279fb5c6348/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffcb35e-7142-4dc9-bf07-0279fb5c6348/bin/ukojak-verify-afCqCEvfdi --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 932e07ca16409dffdb32c6740e0e8391e8d2d3ae2d2f1f5d305942a06898006e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:58:57,949 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:58:58,078 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffcb35e-7142-4dc9-bf07-0279fb5c6348/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 22:58:58,133 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:58:58,134 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:58:58,135 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:58:58,136 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:58:58,136 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:58:58,137 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:58:58,142 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:58:58,143 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:58:58,143 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:58:58,144 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:58:58,145 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:58:58,146 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:58:58,146 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:58:58,146 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:58:58,147 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:58:58,147 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:58:58,148 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:58:58,149 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:58:58,150 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:58:58,150 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:58:58,151 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:58:58,151 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:58:58,152 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:58:58,152 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:58:58,153 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:58:58,153 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:58:58,154 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:58:58,155 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:58:58,155 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:58:58,155 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:58:58,156 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:58:58,156 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:58:58,156 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:58:58,157 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_2ffcb35e-7142-4dc9-bf07-0279fb5c6348/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffcb35e-7142-4dc9-bf07-0279fb5c6348/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 932e07ca16409dffdb32c6740e0e8391e8d2d3ae2d2f1f5d305942a06898006e [2023-11-24 22:58:58,503 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:58:58,534 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:58:58,537 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:58:58,538 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:58:58,539 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:58:58,541 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffcb35e-7142-4dc9-bf07-0279fb5c6348/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_52_bad.i [2023-11-24 22:59:01,589 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:59:02,087 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:59:02,088 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffcb35e-7142-4dc9-bf07-0279fb5c6348/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_52_bad.i [2023-11-24 22:59:02,115 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffcb35e-7142-4dc9-bf07-0279fb5c6348/bin/ukojak-verify-afCqCEvfdi/data/76f726c4d/ab98bec842a54f5e89bbba928ff0369c/FLAG23d231087 [2023-11-24 22:59:02,131 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffcb35e-7142-4dc9-bf07-0279fb5c6348/bin/ukojak-verify-afCqCEvfdi/data/76f726c4d/ab98bec842a54f5e89bbba928ff0369c [2023-11-24 22:59:02,134 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:59:02,135 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:59:02,137 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:59:02,137 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:59:02,143 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:59:02,144 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:59:02" (1/1) ... [2023-11-24 22:59:02,145 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c1006fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:02, skipping insertion in model container [2023-11-24 22:59:02,145 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:59:02" (1/1) ... [2023-11-24 22:59:02,209 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:59:03,562 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:59:03,589 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:59:03,706 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:59:03,837 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:59:03,837 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:59:03,838 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:59:03,838 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:59:03,846 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:59:03,847 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:03 WrapperNode [2023-11-24 22:59:03,847 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:59:03,848 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:59:03,848 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:59:03,849 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:59:03,855 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:03" (1/1) ... [2023-11-24 22:59:03,910 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:03" (1/1) ... [2023-11-24 22:59:03,937 INFO L138 Inliner]: procedures = 505, calls = 57, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 61 [2023-11-24 22:59:03,938 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:59:03,938 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:59:03,939 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:59:03,939 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:59:03,948 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:03" (1/1) ... [2023-11-24 22:59:03,949 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:03" (1/1) ... [2023-11-24 22:59:03,952 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:03" (1/1) ... [2023-11-24 22:59:03,953 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:03" (1/1) ... [2023-11-24 22:59:03,969 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:03" (1/1) ... [2023-11-24 22:59:03,970 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:03" (1/1) ... [2023-11-24 22:59:03,974 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:03" (1/1) ... [2023-11-24 22:59:03,976 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:03" (1/1) ... [2023-11-24 22:59:03,997 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:59:03,998 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:59:03,998 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:59:03,998 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:59:03,999 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:03" (1/1) ... [2023-11-24 22:59:04,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:59:04,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffcb35e-7142-4dc9-bf07-0279fb5c6348/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:59:04,063 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffcb35e-7142-4dc9-bf07-0279fb5c6348/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:59:04,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffcb35e-7142-4dc9-bf07-0279fb5c6348/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:59:04,109 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:59:04,110 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:59:04,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:59:04,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:59:04,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:59:04,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:59:04,111 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:59:04,296 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:59:04,299 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:59:04,473 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:59:04,551 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:59:04,555 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:59:04,557 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:59:04 BoogieIcfgContainer [2023-11-24 22:59:04,557 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:59:04,558 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:59:04,559 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:59:04,569 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:59:04,571 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:59:04" (1/1) ... [2023-11-24 22:59:04,581 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:59:04,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:04,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-24 22:59:04,659 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-24 22:59:04,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:59:04,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:04,664 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:59:04,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffcb35e-7142-4dc9-bf07-0279fb5c6348/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:59:04,670 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffcb35e-7142-4dc9-bf07-0279fb5c6348/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:59:04,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffcb35e-7142-4dc9-bf07-0279fb5c6348/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 22:59:04,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:59:04,940 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:59:05,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:59:05,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:59:05,110 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:59:05,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:59:05,168 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffcb35e-7142-4dc9-bf07-0279fb5c6348/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:59:05,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffcb35e-7142-4dc9-bf07-0279fb5c6348/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 22:59:05,176 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:59:05,203 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet105 [2023-11-24 22:59:05,208 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:59:05 ImpRootNode [2023-11-24 22:59:05,208 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:59:05,209 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:59:05,209 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:59:05,210 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:59:05,210 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:59:04" (3/4) ... [2023-11-24 22:59:05,215 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:59:05,217 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:59:05,218 INFO L158 Benchmark]: Toolchain (without parser) took 3082.24ms. Allocated memory is still 102.8MB. Free memory was 74.9MB in the beginning and 63.4MB in the end (delta: 11.5MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2023-11-24 22:59:05,218 INFO L158 Benchmark]: CDTParser took 0.66ms. Allocated memory is still 69.2MB. Free memory is still 44.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:59:05,219 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1710.32ms. Allocated memory is still 102.8MB. Free memory was 74.7MB in the beginning and 72.9MB in the end (delta: 1.8MB). Peak memory consumption was 42.7MB. Max. memory is 16.1GB. [2023-11-24 22:59:05,220 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.64ms. Allocated memory is still 102.8MB. Free memory was 72.9MB in the beginning and 69.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:59:05,221 INFO L158 Benchmark]: Boogie Preprocessor took 58.55ms. Allocated memory is still 102.8MB. Free memory was 69.7MB in the beginning and 67.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:59:05,222 INFO L158 Benchmark]: RCFGBuilder took 559.65ms. Allocated memory is still 102.8MB. Free memory was 67.6MB in the beginning and 49.3MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-24 22:59:05,223 INFO L158 Benchmark]: CodeCheck took 650.53ms. Allocated memory is still 102.8MB. Free memory was 49.3MB in the beginning and 64.1MB in the end (delta: -14.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:59:05,224 INFO L158 Benchmark]: Witness Printer took 7.71ms. Allocated memory is still 102.8MB. Free memory was 64.1MB in the beginning and 63.4MB in the end (delta: 645.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:59:05,234 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, 12 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 - UnprovableResult [Line: 1572]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1559. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1559] 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) [L1559] 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}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_rand_sub_52_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_sub_52b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_rand_sub_52c_badSink(data) [L1572] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, 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 0.66ms. Allocated memory is still 69.2MB. Free memory is still 44.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1710.32ms. Allocated memory is still 102.8MB. Free memory was 74.7MB in the beginning and 72.9MB in the end (delta: 1.8MB). Peak memory consumption was 42.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.64ms. Allocated memory is still 102.8MB. Free memory was 72.9MB in the beginning and 69.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.55ms. Allocated memory is still 102.8MB. Free memory was 69.7MB in the beginning and 67.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 559.65ms. Allocated memory is still 102.8MB. Free memory was 67.6MB in the beginning and 49.3MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 650.53ms. Allocated memory is still 102.8MB. Free memory was 49.3MB in the beginning and 64.1MB in the end (delta: -14.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.71ms. Allocated memory is still 102.8MB. Free memory was 64.1MB in the beginning and 63.4MB in the end (delta: 645.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet105 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 22:59:05,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffcb35e-7142-4dc9-bf07-0279fb5c6348/bin/ukojak-verify-afCqCEvfdi/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 Result: UNKNOWN: Overapproximated counterexample