./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_32_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_2831399e-f88a-452f-ac7f-55450db7cff7/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2831399e-f88a-452f-ac7f-55450db7cff7/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_2831399e-f88a-452f-ac7f-55450db7cff7/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2831399e-f88a-452f-ac7f-55450db7cff7/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2831399e-f88a-452f-ac7f-55450db7cff7/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_2831399e-f88a-452f-ac7f-55450db7cff7/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 c8a96ec157c824939823b5edff4d92b4281dc1fefd76977ad079ed81045d850a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:00:56,279 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:00:56,405 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2831399e-f88a-452f-ac7f-55450db7cff7/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 23:00:56,417 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:00:56,418 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:00:56,462 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:00:56,464 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:00:56,465 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:00:56,466 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:00:56,471 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:00:56,473 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:00:56,473 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:00:56,474 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:00:56,475 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:00:56,476 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:00:56,476 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:00:56,477 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:00:56,477 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:00:56,478 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:00:56,478 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:00:56,479 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:00:56,480 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:00:56,481 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:00:56,481 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:00:56,482 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:00:56,482 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:00:56,483 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:00:56,483 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:00:56,484 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:00:56,484 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:00:56,485 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:00:56,486 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:00:56,486 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_2831399e-f88a-452f-ac7f-55450db7cff7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2831399e-f88a-452f-ac7f-55450db7cff7/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8a96ec157c824939823b5edff4d92b4281dc1fefd76977ad079ed81045d850a [2023-11-24 23:00:56,832 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:00:56,894 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:00:56,897 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:00:56,899 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:00:56,900 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:00:56,901 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2831399e-f88a-452f-ac7f-55450db7cff7/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_32_bad.i [2023-11-24 23:01:00,013 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:01:00,421 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:01:00,422 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2831399e-f88a-452f-ac7f-55450db7cff7/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_32_bad.i [2023-11-24 23:01:00,461 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2831399e-f88a-452f-ac7f-55450db7cff7/bin/ukojak-verify-afCqCEvfdi/data/f85be51a2/b6a89daf2fcc4b1fbb333cecf7796553/FLAGf83827050 [2023-11-24 23:01:00,477 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2831399e-f88a-452f-ac7f-55450db7cff7/bin/ukojak-verify-afCqCEvfdi/data/f85be51a2/b6a89daf2fcc4b1fbb333cecf7796553 [2023-11-24 23:01:00,482 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:01:00,484 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:01:00,488 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:01:00,488 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:01:00,493 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:01:00,494 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:01:00" (1/1) ... [2023-11-24 23:01:00,495 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@604b7e16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:00, skipping insertion in model container [2023-11-24 23:01:00,496 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:01:00" (1/1) ... [2023-11-24 23:01:00,564 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:01:01,675 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:01:01,686 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:01:01,854 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:01:01,990 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:01:01,991 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:01:01,991 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:01:01,992 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:01:02,000 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:01:02,000 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:02 WrapperNode [2023-11-24 23:01:02,000 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:01:02,002 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:01:02,002 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:01:02,002 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:01:02,009 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:02" (1/1) ... [2023-11-24 23:01:02,037 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:02" (1/1) ... [2023-11-24 23:01:02,073 INFO L138 Inliner]: procedures = 498, calls = 61, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 102 [2023-11-24 23:01:02,074 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:01:02,075 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:01:02,075 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:01:02,075 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:01:02,085 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:02" (1/1) ... [2023-11-24 23:01:02,085 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:02" (1/1) ... [2023-11-24 23:01:02,089 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:02" (1/1) ... [2023-11-24 23:01:02,089 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:02" (1/1) ... [2023-11-24 23:01:02,097 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:02" (1/1) ... [2023-11-24 23:01:02,099 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:02" (1/1) ... [2023-11-24 23:01:02,101 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:02" (1/1) ... [2023-11-24 23:01:02,103 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:02" (1/1) ... [2023-11-24 23:01:02,107 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:01:02,108 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:01:02,108 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:01:02,108 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:01:02,109 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:02" (1/1) ... [2023-11-24 23:01:02,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:01:02,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2831399e-f88a-452f-ac7f-55450db7cff7/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:01:02,143 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2831399e-f88a-452f-ac7f-55450db7cff7/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:01:02,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2831399e-f88a-452f-ac7f-55450db7cff7/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:01:02,183 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:01:02,183 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:01:02,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:01:02,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:01:02,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:01:02,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:01:02,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:01:02,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:01:02,185 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:01:02,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:01:02,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:01:02,338 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:01:02,346 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:01:02,616 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:01:02,890 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:01:02,890 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:01:02,892 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:01:02 BoogieIcfgContainer [2023-11-24 23:01:02,892 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:01:02,893 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:01:02,893 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:01:02,904 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:01:02,906 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:01:02" (1/1) ... [2023-11-24 23:01:02,916 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:01:02,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:02,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-24 23:01:02,970 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-24 23:01:02,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:01:02,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:02,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:03,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:01:03,359 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:01:03,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:01:03,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:01:03,720 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:01:03,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:01:03,797 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:01:03,829 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet113 [2023-11-24 23:01:03,839 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:01:03 ImpRootNode [2023-11-24 23:01:03,839 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:01:03,842 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:01:03,842 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:01:03,842 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:01:03,843 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:01:02" (3/4) ... [2023-11-24 23:01:03,848 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:01:03,849 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:01:03,850 INFO L158 Benchmark]: Toolchain (without parser) took 3366.21ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 100.6MB in the beginning and 138.7MB in the end (delta: -38.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:01:03,851 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 113.2MB. Free memory is still 88.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:01:03,852 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1513.10ms. Allocated memory is still 151.0MB. Free memory was 100.6MB in the beginning and 80.3MB in the end (delta: 20.2MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. [2023-11-24 23:01:03,853 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.49ms. Allocated memory is still 151.0MB. Free memory was 79.9MB in the beginning and 76.9MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:01:03,854 INFO L158 Benchmark]: Boogie Preprocessor took 32.23ms. Allocated memory is still 151.0MB. Free memory was 76.9MB in the beginning and 74.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:01:03,855 INFO L158 Benchmark]: RCFGBuilder took 784.97ms. Allocated memory is still 151.0MB. Free memory was 74.8MB in the beginning and 92.1MB in the end (delta: -17.2MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2023-11-24 23:01:03,856 INFO L158 Benchmark]: CodeCheck took 946.68ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 92.1MB in the beginning and 138.7MB in the end (delta: -46.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:01:03,857 INFO L158 Benchmark]: Witness Printer took 7.48ms. Allocated memory is still 182.5MB. Free memory is still 138.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:01:03,866 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: 0.9s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s 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: 1562]: 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 1570, overapproximation of bitwiseOr at line 1556. 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); [L1570] 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) [L1570] 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] [L1571] CALL CWE191_Integer_Underflow__int_rand_sub_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1556] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] EXPR *dataPtr1 = data [L1554-L1558] { int data = *dataPtr1; data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)); *dataPtr1 = data; } [L1560] EXPR \read(*dataPtr2) [L1560] int data = *dataPtr2; [L1562] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, data={21295:0}, dataPtr1={21295:0}, dataPtr2={21295:0}, 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 0.34ms. Allocated memory is still 113.2MB. Free memory is still 88.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1513.10ms. Allocated memory is still 151.0MB. Free memory was 100.6MB in the beginning and 80.3MB in the end (delta: 20.2MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.49ms. Allocated memory is still 151.0MB. Free memory was 79.9MB in the beginning and 76.9MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.23ms. Allocated memory is still 151.0MB. Free memory was 76.9MB in the beginning and 74.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 784.97ms. Allocated memory is still 151.0MB. Free memory was 74.8MB in the beginning and 92.1MB in the end (delta: -17.2MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. * CodeCheck took 946.68ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 92.1MB in the beginning and 138.7MB in the end (delta: -46.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.48ms. Allocated memory is still 182.5MB. Free memory is still 138.7MB. 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~nondet113 - 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 23:01:03,901 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2831399e-f88a-452f-ac7f-55450db7cff7/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_2831399e-f88a-452f-ac7f-55450db7cff7/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2831399e-f88a-452f-ac7f-55450db7cff7/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_2831399e-f88a-452f-ac7f-55450db7cff7/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2831399e-f88a-452f-ac7f-55450db7cff7/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2831399e-f88a-452f-ac7f-55450db7cff7/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_2831399e-f88a-452f-ac7f-55450db7cff7/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 c8a96ec157c824939823b5edff4d92b4281dc1fefd76977ad079ed81045d850a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:01:06,690 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:01:06,818 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2831399e-f88a-452f-ac7f-55450db7cff7/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 23:01:06,870 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:01:06,872 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:01:06,873 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:01:06,874 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:01:06,874 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:01:06,875 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:01:06,876 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:01:06,877 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:01:06,877 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:01:06,878 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:01:06,879 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:01:06,879 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:01:06,880 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:01:06,880 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:01:06,881 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:01:06,881 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:01:06,882 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:01:06,882 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:01:06,884 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:01:06,885 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:01:06,885 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:01:06,885 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:01:06,886 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:01:06,886 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:01:06,887 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:01:06,887 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:01:06,888 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:01:06,889 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:01:06,890 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:01:06,890 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:01:06,890 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:01:06,891 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:01:06,891 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:01:06,891 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_2831399e-f88a-452f-ac7f-55450db7cff7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2831399e-f88a-452f-ac7f-55450db7cff7/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8a96ec157c824939823b5edff4d92b4281dc1fefd76977ad079ed81045d850a [2023-11-24 23:01:07,355 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:01:07,392 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:01:07,395 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:01:07,397 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:01:07,398 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:01:07,399 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2831399e-f88a-452f-ac7f-55450db7cff7/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_32_bad.i [2023-11-24 23:01:10,601 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:01:11,022 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:01:11,022 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2831399e-f88a-452f-ac7f-55450db7cff7/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_32_bad.i [2023-11-24 23:01:11,063 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2831399e-f88a-452f-ac7f-55450db7cff7/bin/ukojak-verify-afCqCEvfdi/data/809d3c6b2/4085e8947be54fa9ab202658f84e6acb/FLAGe44b1a07e [2023-11-24 23:01:11,079 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2831399e-f88a-452f-ac7f-55450db7cff7/bin/ukojak-verify-afCqCEvfdi/data/809d3c6b2/4085e8947be54fa9ab202658f84e6acb [2023-11-24 23:01:11,081 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:01:11,083 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:01:11,084 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:01:11,084 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:01:11,089 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:01:11,090 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:01:11" (1/1) ... [2023-11-24 23:01:11,091 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fbfa4d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:11, skipping insertion in model container [2023-11-24 23:01:11,092 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:01:11" (1/1) ... [2023-11-24 23:01:11,166 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:01:12,463 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:01:12,488 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:01:12,564 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:01:12,696 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:01:12,696 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:01:12,696 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:01:12,697 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:01:12,705 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:01:12,706 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:12 WrapperNode [2023-11-24 23:01:12,706 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:01:12,707 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:01:12,708 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:01:12,708 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:01:12,716 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:12" (1/1) ... [2023-11-24 23:01:12,747 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:12" (1/1) ... [2023-11-24 23:01:12,777 INFO L138 Inliner]: procedures = 503, calls = 61, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 70 [2023-11-24 23:01:12,777 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:01:12,778 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:01:12,778 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:01:12,778 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:01:12,788 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:12" (1/1) ... [2023-11-24 23:01:12,789 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:12" (1/1) ... [2023-11-24 23:01:12,794 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:12" (1/1) ... [2023-11-24 23:01:12,794 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:12" (1/1) ... [2023-11-24 23:01:12,805 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:12" (1/1) ... [2023-11-24 23:01:12,807 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:12" (1/1) ... [2023-11-24 23:01:12,811 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:12" (1/1) ... [2023-11-24 23:01:12,814 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:12" (1/1) ... [2023-11-24 23:01:12,819 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:01:12,820 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:01:12,820 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:01:12,820 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:01:12,821 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:12" (1/1) ... [2023-11-24 23:01:12,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:01:12,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2831399e-f88a-452f-ac7f-55450db7cff7/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:01:12,858 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2831399e-f88a-452f-ac7f-55450db7cff7/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:01:12,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2831399e-f88a-452f-ac7f-55450db7cff7/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:01:12,896 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:01:12,897 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:01:12,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:01:12,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:01:12,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:01:12,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:01:12,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:01:12,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 23:01:12,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:01:12,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 23:01:12,899 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:01:13,089 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:01:13,091 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:01:13,260 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:01:13,396 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:01:13,398 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:01:13,400 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:01:13 BoogieIcfgContainer [2023-11-24 23:01:13,400 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:01:13,401 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:01:13,401 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:01:13,412 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:01:13,413 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:01:13" (1/1) ... [2023-11-24 23:01:13,422 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:01:13,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:13,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-24 23:01:13,505 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-24 23:01:13,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:01:13,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:13,511 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:01:13,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2831399e-f88a-452f-ac7f-55450db7cff7/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:01:13,516 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2831399e-f88a-452f-ac7f-55450db7cff7/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:01:13,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2831399e-f88a-452f-ac7f-55450db7cff7/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 23:01:13,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:01:13,817 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:01:13,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:01:14,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:01:14,132 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:01:14,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:01:14,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2831399e-f88a-452f-ac7f-55450db7cff7/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:01:14,246 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:01:14,276 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet107 [2023-11-24 23:01:14,284 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:01:14 ImpRootNode [2023-11-24 23:01:14,284 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:01:14,286 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:01:14,287 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:01:14,287 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:01:14,287 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:01:13" (3/4) ... [2023-11-24 23:01:14,290 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:01:14,291 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:01:14,292 INFO L158 Benchmark]: Toolchain (without parser) took 3208.85ms. Allocated memory was 86.0MB in the beginning and 115.3MB in the end (delta: 29.4MB). Free memory was 60.5MB in the beginning and 55.5MB in the end (delta: 5.0MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. [2023-11-24 23:01:14,293 INFO L158 Benchmark]: CDTParser took 0.68ms. Allocated memory is still 86.0MB. Free memory was 61.9MB in the beginning and 61.9MB in the end (delta: 29.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:01:14,294 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1622.20ms. Allocated memory was 86.0MB in the beginning and 115.3MB in the end (delta: 29.4MB). Free memory was 60.5MB in the beginning and 69.4MB in the end (delta: -8.9MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2023-11-24 23:01:14,295 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.12ms. Allocated memory is still 115.3MB. Free memory was 69.4MB in the beginning and 66.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:01:14,296 INFO L158 Benchmark]: Boogie Preprocessor took 41.35ms. Allocated memory is still 115.3MB. Free memory was 66.2MB in the beginning and 64.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:01:14,297 INFO L158 Benchmark]: RCFGBuilder took 580.27ms. Allocated memory is still 115.3MB. Free memory was 64.1MB in the beginning and 75.8MB in the end (delta: -11.7MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2023-11-24 23:01:14,298 INFO L158 Benchmark]: CodeCheck took 883.45ms. Allocated memory is still 115.3MB. Free memory was 75.8MB in the beginning and 56.1MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-24 23:01:14,299 INFO L158 Benchmark]: Witness Printer took 4.70ms. Allocated memory is still 115.3MB. Free memory was 56.1MB in the beginning and 55.5MB in the end (delta: 638.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:01:14,313 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: 0.8s, 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, 0.1s 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: 1562]: 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 1570. 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); [L1570] 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) [L1570] 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] [L1571] CALL CWE191_Integer_Underflow__int_rand_sub_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] EXPR *dataPtr1 = data [L1554-L1558] { int data = *dataPtr1; data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)); *dataPtr1 = data; } [L1560] EXPR \read(*dataPtr2) [L1560] int data = *dataPtr2; [L1562] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, data={9:0}, dataPtr1={9:0}, dataPtr2={9:0}, 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 0.68ms. Allocated memory is still 86.0MB. Free memory was 61.9MB in the beginning and 61.9MB in the end (delta: 29.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1622.20ms. Allocated memory was 86.0MB in the beginning and 115.3MB in the end (delta: 29.4MB). Free memory was 60.5MB in the beginning and 69.4MB in the end (delta: -8.9MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.12ms. Allocated memory is still 115.3MB. Free memory was 69.4MB in the beginning and 66.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.35ms. Allocated memory is still 115.3MB. Free memory was 66.2MB in the beginning and 64.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 580.27ms. Allocated memory is still 115.3MB. Free memory was 64.1MB in the beginning and 75.8MB in the end (delta: -11.7MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. * CodeCheck took 883.45ms. Allocated memory is still 115.3MB. Free memory was 75.8MB in the beginning and 56.1MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 4.70ms. Allocated memory is still 115.3MB. Free memory was 56.1MB in the beginning and 55.5MB in the end (delta: 638.0kB). 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~nondet107 - 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 23:01:14,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2831399e-f88a-452f-ac7f-55450db7cff7/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