./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_02_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_874260c1-7507-4272-866f-0a1e7a582b52/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_874260c1-7507-4272-866f-0a1e7a582b52/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_874260c1-7507-4272-866f-0a1e7a582b52/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_874260c1-7507-4272-866f-0a1e7a582b52/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_02_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_874260c1-7507-4272-866f-0a1e7a582b52/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_874260c1-7507-4272-866f-0a1e7a582b52/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 4a48cdf031c57045c6a520d4b526d2af3e1e042ffdcd7f12ec72dee2ba5a301d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:11:32,644 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:11:32,790 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_874260c1-7507-4272-866f-0a1e7a582b52/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 22:11:32,803 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:11:32,805 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:11:32,853 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:11:32,855 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:11:32,856 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:11:32,857 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:11:32,863 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:11:32,864 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:11:32,865 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:11:32,866 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:11:32,868 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:11:32,869 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:11:32,869 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:11:32,870 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:11:32,871 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:11:32,871 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:11:32,872 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:11:32,873 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:11:32,874 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:11:32,875 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:11:32,876 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:11:32,876 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:11:32,877 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:11:32,878 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:11:32,878 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:11:32,879 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:11:32,880 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:11:32,881 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:11:32,882 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:11:32,882 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_874260c1-7507-4272-866f-0a1e7a582b52/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_874260c1-7507-4272-866f-0a1e7a582b52/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a48cdf031c57045c6a520d4b526d2af3e1e042ffdcd7f12ec72dee2ba5a301d [2023-11-24 22:11:33,243 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:11:33,288 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:11:33,291 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:11:33,293 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:11:33,294 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:11:33,295 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_874260c1-7507-4272-866f-0a1e7a582b52/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_02_bad.i [2023-11-24 22:11:36,620 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:11:37,084 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:11:37,085 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_874260c1-7507-4272-866f-0a1e7a582b52/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_02_bad.i [2023-11-24 22:11:37,132 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_874260c1-7507-4272-866f-0a1e7a582b52/bin/ukojak-verify-afCqCEvfdi/data/214afa3f6/68ef8aff29d5440aa13d407edb787c97/FLAGf5449bb4a [2023-11-24 22:11:37,148 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_874260c1-7507-4272-866f-0a1e7a582b52/bin/ukojak-verify-afCqCEvfdi/data/214afa3f6/68ef8aff29d5440aa13d407edb787c97 [2023-11-24 22:11:37,151 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:11:37,153 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:11:37,154 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:11:37,155 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:11:37,160 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:11:37,161 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:11:37" (1/1) ... [2023-11-24 22:11:37,162 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27bdde99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:37, skipping insertion in model container [2023-11-24 22:11:37,163 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:11:37" (1/1) ... [2023-11-24 22:11:37,268 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:11:38,348 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:11:38,360 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:11:38,501 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:11:38,725 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:11:38,726 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:11:38,726 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:11:38,726 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:11:38,735 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:11:38,736 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:38 WrapperNode [2023-11-24 22:11:38,736 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:11:38,737 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:11:38,738 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:11:38,738 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:11:38,746 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:38" (1/1) ... [2023-11-24 22:11:38,808 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:38" (1/1) ... [2023-11-24 22:11:38,842 INFO L138 Inliner]: procedures = 498, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 92 [2023-11-24 22:11:38,844 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:11:38,845 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:11:38,845 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:11:38,845 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:11:38,856 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:38" (1/1) ... [2023-11-24 22:11:38,859 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:38" (1/1) ... [2023-11-24 22:11:38,862 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:38" (1/1) ... [2023-11-24 22:11:38,869 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:38" (1/1) ... [2023-11-24 22:11:38,879 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:38" (1/1) ... [2023-11-24 22:11:38,883 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:38" (1/1) ... [2023-11-24 22:11:38,888 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:38" (1/1) ... [2023-11-24 22:11:38,889 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:38" (1/1) ... [2023-11-24 22:11:38,893 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:11:38,910 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:11:38,910 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:11:38,910 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:11:38,911 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:38" (1/1) ... [2023-11-24 22:11:38,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:11:38,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_874260c1-7507-4272-866f-0a1e7a582b52/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:11:38,950 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_874260c1-7507-4272-866f-0a1e7a582b52/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:11:38,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_874260c1-7507-4272-866f-0a1e7a582b52/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:11:39,010 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:11:39,011 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:11:39,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:11:39,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:11:39,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:11:39,013 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:11:39,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:11:39,225 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:11:39,229 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:11:39,467 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:11:39,731 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:11:39,732 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:11:39,734 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:11:39 BoogieIcfgContainer [2023-11-24 22:11:39,734 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:11:39,735 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:11:39,736 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:11:39,746 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:11:39,746 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:11:39" (1/1) ... [2023-11-24 22:11:39,755 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:11:39,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:39,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-24 22:11:39,811 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-24 22:11:39,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:11:39,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:39,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:40,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:11:40,278 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:11:40,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:11:40,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:11:40,526 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:11:40,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:11:40,599 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:11:40,621 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet111 [2023-11-24 22:11:40,630 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:11:40 ImpRootNode [2023-11-24 22:11:40,630 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:11:40,632 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:11:40,632 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:11:40,632 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:11:40,634 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:11:39" (3/4) ... [2023-11-24 22:11:40,637 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:11:40,638 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:11:40,640 INFO L158 Benchmark]: Toolchain (without parser) took 3486.38ms. Allocated memory was 155.2MB in the beginning and 201.3MB in the end (delta: 46.1MB). Free memory was 117.8MB in the beginning and 127.2MB in the end (delta: -9.4MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. [2023-11-24 22:11:40,641 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 155.2MB. Free memory was 102.2MB in the beginning and 102.0MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:11:40,642 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1581.97ms. Allocated memory was 155.2MB in the beginning and 201.3MB in the end (delta: 46.1MB). Free memory was 117.8MB in the beginning and 148.0MB in the end (delta: -30.2MB). Peak memory consumption was 59.8MB. Max. memory is 16.1GB. [2023-11-24 22:11:40,643 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.77ms. Allocated memory is still 201.3MB. Free memory was 148.0MB in the beginning and 144.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:11:40,644 INFO L158 Benchmark]: Boogie Preprocessor took 63.98ms. Allocated memory is still 201.3MB. Free memory was 144.9MB in the beginning and 142.8MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:11:40,645 INFO L158 Benchmark]: RCFGBuilder took 824.52ms. Allocated memory is still 201.3MB. Free memory was 142.8MB in the beginning and 101.9MB in the end (delta: 40.9MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-11-24 22:11:40,645 INFO L158 Benchmark]: CodeCheck took 895.90ms. Allocated memory is still 201.3MB. Free memory was 101.9MB in the beginning and 127.2MB in the end (delta: -25.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:11:40,646 INFO L158 Benchmark]: Witness Printer took 6.77ms. Allocated memory is still 201.3MB. Free memory was 127.2MB in the beginning and 127.2MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:11:40,655 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: 0.8s, 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, 7 NumberOfCodeBlocks, 7 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: 1560]: 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 1568, overapproximation of bitwiseOr at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=12, argc=12, argv={14:13}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_rand_multiply_02_bad() [L1550] int data; [L1551] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1558] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, 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 0.40ms. Allocated memory is still 155.2MB. Free memory was 102.2MB in the beginning and 102.0MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1581.97ms. Allocated memory was 155.2MB in the beginning and 201.3MB in the end (delta: 46.1MB). Free memory was 117.8MB in the beginning and 148.0MB in the end (delta: -30.2MB). Peak memory consumption was 59.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.77ms. Allocated memory is still 201.3MB. Free memory was 148.0MB in the beginning and 144.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.98ms. Allocated memory is still 201.3MB. Free memory was 144.9MB in the beginning and 142.8MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 824.52ms. Allocated memory is still 201.3MB. Free memory was 142.8MB in the beginning and 101.9MB in the end (delta: 40.9MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * CodeCheck took 895.90ms. Allocated memory is still 201.3MB. Free memory was 101.9MB in the beginning and 127.2MB in the end (delta: -25.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.77ms. Allocated memory is still 201.3MB. Free memory was 127.2MB in the beginning and 127.2MB in the end (delta: 2.7kB). There was no memory consumed. 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 22:11:40,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_874260c1-7507-4272-866f-0a1e7a582b52/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_874260c1-7507-4272-866f-0a1e7a582b52/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_874260c1-7507-4272-866f-0a1e7a582b52/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_874260c1-7507-4272-866f-0a1e7a582b52/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_874260c1-7507-4272-866f-0a1e7a582b52/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_02_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_874260c1-7507-4272-866f-0a1e7a582b52/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_874260c1-7507-4272-866f-0a1e7a582b52/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 4a48cdf031c57045c6a520d4b526d2af3e1e042ffdcd7f12ec72dee2ba5a301d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:11:43,476 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:11:43,589 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_874260c1-7507-4272-866f-0a1e7a582b52/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 22:11:43,624 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:11:43,625 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:11:43,626 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:11:43,627 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:11:43,627 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:11:43,628 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:11:43,628 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:11:43,629 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:11:43,630 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:11:43,630 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:11:43,631 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:11:43,631 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:11:43,632 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:11:43,632 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:11:43,633 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:11:43,633 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:11:43,634 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:11:43,634 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:11:43,636 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:11:43,636 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:11:43,637 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:11:43,637 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:11:43,637 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:11:43,638 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:11:43,638 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:11:43,639 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:11:43,639 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:11:43,640 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:11:43,640 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:11:43,641 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:11:43,642 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:11:43,642 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:11:43,642 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:11:43,643 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_874260c1-7507-4272-866f-0a1e7a582b52/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_874260c1-7507-4272-866f-0a1e7a582b52/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a48cdf031c57045c6a520d4b526d2af3e1e042ffdcd7f12ec72dee2ba5a301d [2023-11-24 22:11:44,027 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:11:44,053 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:11:44,056 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:11:44,057 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:11:44,060 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:11:44,062 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_874260c1-7507-4272-866f-0a1e7a582b52/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_02_bad.i [2023-11-24 22:11:47,295 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:11:47,774 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:11:47,779 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_874260c1-7507-4272-866f-0a1e7a582b52/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_02_bad.i [2023-11-24 22:11:47,814 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_874260c1-7507-4272-866f-0a1e7a582b52/bin/ukojak-verify-afCqCEvfdi/data/2a8234098/af7b7f8487994e0fbed82c43e4d6455e/FLAG91630368d [2023-11-24 22:11:47,833 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_874260c1-7507-4272-866f-0a1e7a582b52/bin/ukojak-verify-afCqCEvfdi/data/2a8234098/af7b7f8487994e0fbed82c43e4d6455e [2023-11-24 22:11:47,835 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:11:47,845 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:11:47,846 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:11:47,846 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:11:47,851 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:11:47,852 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:11:47" (1/1) ... [2023-11-24 22:11:47,853 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b86321f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:47, skipping insertion in model container [2023-11-24 22:11:47,854 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:11:47" (1/1) ... [2023-11-24 22:11:47,933 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:11:49,299 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:11:49,320 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:11:49,461 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:11:49,644 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:11:49,644 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:11:49,645 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:11:49,645 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:11:49,653 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:11:49,654 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:49 WrapperNode [2023-11-24 22:11:49,654 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:11:49,655 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:11:49,656 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:11:49,656 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:11:49,664 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:49" (1/1) ... [2023-11-24 22:11:49,696 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:49" (1/1) ... [2023-11-24 22:11:49,723 INFO L138 Inliner]: procedures = 503, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 60 [2023-11-24 22:11:49,724 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:11:49,725 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:11:49,725 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:11:49,725 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:11:49,736 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:49" (1/1) ... [2023-11-24 22:11:49,736 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:49" (1/1) ... [2023-11-24 22:11:49,740 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:49" (1/1) ... [2023-11-24 22:11:49,740 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:49" (1/1) ... [2023-11-24 22:11:49,750 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:49" (1/1) ... [2023-11-24 22:11:49,765 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:49" (1/1) ... [2023-11-24 22:11:49,768 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:49" (1/1) ... [2023-11-24 22:11:49,770 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:49" (1/1) ... [2023-11-24 22:11:49,774 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:11:49,775 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:11:49,776 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:11:49,776 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:11:49,777 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:49" (1/1) ... [2023-11-24 22:11:49,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:11:49,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_874260c1-7507-4272-866f-0a1e7a582b52/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:11:49,832 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_874260c1-7507-4272-866f-0a1e7a582b52/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:11:49,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_874260c1-7507-4272-866f-0a1e7a582b52/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:11:49,873 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:11:49,873 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:11:49,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:11:49,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:11:49,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:11:49,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:11:49,874 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:11:50,036 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:11:50,039 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:11:50,251 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:11:50,336 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:11:50,336 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:11:50,338 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:11:50 BoogieIcfgContainer [2023-11-24 22:11:50,338 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:11:50,339 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:11:50,340 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:11:50,352 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:11:50,352 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:11:50" (1/1) ... [2023-11-24 22:11:50,363 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:11:50,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:50,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-24 22:11:50,428 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-24 22:11:50,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:11:50,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:50,433 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:11:50,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_874260c1-7507-4272-866f-0a1e7a582b52/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:11:50,439 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_874260c1-7507-4272-866f-0a1e7a582b52/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:11:50,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_874260c1-7507-4272-866f-0a1e7a582b52/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 22:11:50,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:11:50,668 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:11:50,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:11:50,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:11:50,870 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:11:50,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:11:50,948 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_874260c1-7507-4272-866f-0a1e7a582b52/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:11:50,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_874260c1-7507-4272-866f-0a1e7a582b52/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 22:11:50,972 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:11:50,999 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet105 [2023-11-24 22:11:51,008 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:11:51 ImpRootNode [2023-11-24 22:11:51,008 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:11:51,010 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:11:51,011 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:11:51,011 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:11:51,011 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:11:50" (3/4) ... [2023-11-24 22:11:51,014 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:11:51,015 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:11:51,016 INFO L158 Benchmark]: Toolchain (without parser) took 3171.03ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 45.7MB in the beginning and 44.5MB in the end (delta: 1.2MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2023-11-24 22:11:51,016 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 73.4MB. Free memory is still 48.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:11:51,018 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1808.51ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 45.6MB in the beginning and 61.2MB in the end (delta: -15.7MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2023-11-24 22:11:51,019 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.07ms. Allocated memory is still 94.4MB. Free memory was 61.2MB in the beginning and 57.9MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:11:51,020 INFO L158 Benchmark]: Boogie Preprocessor took 49.66ms. Allocated memory is still 94.4MB. Free memory was 57.9MB in the beginning and 56.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:11:51,021 INFO L158 Benchmark]: RCFGBuilder took 563.10ms. Allocated memory is still 94.4MB. Free memory was 56.2MB in the beginning and 60.8MB in the end (delta: -4.5MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2023-11-24 22:11:51,022 INFO L158 Benchmark]: CodeCheck took 669.08ms. Allocated memory is still 94.4MB. Free memory was 60.8MB in the beginning and 45.0MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 22:11:51,023 INFO L158 Benchmark]: Witness Printer took 5.50ms. Allocated memory is still 94.4MB. Free memory was 44.5MB in the beginning and 44.5MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:11:51,035 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: 0.6s, 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, 7 NumberOfCodeBlocks, 7 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: 1560]: 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 1568. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=0, argc=0, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_rand_multiply_02_bad() [L1550] int data; [L1551] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1558] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073774592, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073774592, 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 0.53ms. Allocated memory is still 73.4MB. Free memory is still 48.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1808.51ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 45.6MB in the beginning and 61.2MB in the end (delta: -15.7MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.07ms. Allocated memory is still 94.4MB. Free memory was 61.2MB in the beginning and 57.9MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.66ms. Allocated memory is still 94.4MB. Free memory was 57.9MB in the beginning and 56.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 563.10ms. Allocated memory is still 94.4MB. Free memory was 56.2MB in the beginning and 60.8MB in the end (delta: -4.5MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. * CodeCheck took 669.08ms. Allocated memory is still 94.4MB. Free memory was 60.8MB in the beginning and 45.0MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.50ms. Allocated memory is still 94.4MB. Free memory was 44.5MB in the beginning and 44.5MB in the end (delta: 2.6kB). There was no memory consumed. 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 22:11:51,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_874260c1-7507-4272-866f-0a1e7a582b52/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