./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_34_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_1bd3b4f3-64dd-42bd-911e-0e317e6626d8/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bd3b4f3-64dd-42bd-911e-0e317e6626d8/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_1bd3b4f3-64dd-42bd-911e-0e317e6626d8/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bd3b4f3-64dd-42bd-911e-0e317e6626d8/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_34_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bd3b4f3-64dd-42bd-911e-0e317e6626d8/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_1bd3b4f3-64dd-42bd-911e-0e317e6626d8/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 c834bcca4763473a2a61b1031c665bbb1128b928c0d9e55808738b091941ee77 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:52:19,034 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:52:19,170 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bd3b4f3-64dd-42bd-911e-0e317e6626d8/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 22:52:19,176 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:52:19,179 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:52:19,224 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:52:19,227 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:52:19,227 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:52:19,229 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:52:19,235 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:52:19,236 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:52:19,237 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:52:19,237 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:52:19,239 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:52:19,240 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:52:19,240 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:52:19,241 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:52:19,241 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:52:19,242 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:52:19,242 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:52:19,243 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:52:19,244 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:52:19,245 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:52:19,245 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:52:19,246 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:52:19,246 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:52:19,247 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:52:19,248 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:52:19,248 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:52:19,249 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:52:19,250 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:52:19,251 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:52:19,251 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_1bd3b4f3-64dd-42bd-911e-0e317e6626d8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bd3b4f3-64dd-42bd-911e-0e317e6626d8/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c834bcca4763473a2a61b1031c665bbb1128b928c0d9e55808738b091941ee77 [2023-11-24 22:52:19,610 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:52:19,641 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:52:19,644 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:52:19,646 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:52:19,646 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:52:19,648 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bd3b4f3-64dd-42bd-911e-0e317e6626d8/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_34_bad.i [2023-11-24 22:52:22,902 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:52:23,414 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:52:23,415 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bd3b4f3-64dd-42bd-911e-0e317e6626d8/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_34_bad.i [2023-11-24 22:52:23,445 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bd3b4f3-64dd-42bd-911e-0e317e6626d8/bin/ukojak-verify-afCqCEvfdi/data/dd8a47c3a/25caffb698f84f589c058d7886bb5f61/FLAGad9cc6d4e [2023-11-24 22:52:23,463 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bd3b4f3-64dd-42bd-911e-0e317e6626d8/bin/ukojak-verify-afCqCEvfdi/data/dd8a47c3a/25caffb698f84f589c058d7886bb5f61 [2023-11-24 22:52:23,470 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:52:23,471 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:52:23,476 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:52:23,477 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:52:23,486 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:52:23,489 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:52:23" (1/1) ... [2023-11-24 22:52:23,490 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7660089 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:23, skipping insertion in model container [2023-11-24 22:52:23,492 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:52:23" (1/1) ... [2023-11-24 22:52:23,617 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:52:24,905 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:52:24,919 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:52:25,065 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:52:25,249 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:52:25,250 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:52:25,250 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:52:25,250 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:52:25,260 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:52:25,261 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:25 WrapperNode [2023-11-24 22:52:25,261 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:52:25,263 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:52:25,263 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:52:25,263 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:52:25,294 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:25" (1/1) ... [2023-11-24 22:52:25,363 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:25" (1/1) ... [2023-11-24 22:52:25,494 INFO L138 Inliner]: procedures = 498, calls = 59, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 97 [2023-11-24 22:52:25,495 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:52:25,496 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:52:25,496 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:52:25,497 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:52:25,515 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:25" (1/1) ... [2023-11-24 22:52:25,516 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:25" (1/1) ... [2023-11-24 22:52:25,535 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:25" (1/1) ... [2023-11-24 22:52:25,548 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:25" (1/1) ... [2023-11-24 22:52:25,556 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:25" (1/1) ... [2023-11-24 22:52:25,574 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:25" (1/1) ... [2023-11-24 22:52:25,577 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:25" (1/1) ... [2023-11-24 22:52:25,579 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:25" (1/1) ... [2023-11-24 22:52:25,584 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:52:25,585 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:52:25,585 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:52:25,585 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:52:25,587 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:25" (1/1) ... [2023-11-24 22:52:25,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:52:25,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bd3b4f3-64dd-42bd-911e-0e317e6626d8/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:52:25,647 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bd3b4f3-64dd-42bd-911e-0e317e6626d8/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:52:25,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bd3b4f3-64dd-42bd-911e-0e317e6626d8/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:52:25,697 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:52:25,698 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:52:25,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:52:25,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:52:25,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:52:25,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:52:25,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:52:25,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:52:25,699 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:52:25,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:52:25,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:52:25,882 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:52:25,885 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:52:26,153 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:52:26,457 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:52:26,458 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:52:26,460 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:52:26 BoogieIcfgContainer [2023-11-24 22:52:26,460 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:52:26,461 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:52:26,461 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:52:26,481 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:52:26,483 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:52:26" (1/1) ... [2023-11-24 22:52:26,497 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:52:26,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:26,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-24 22:52:26,595 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-24 22:52:26,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:52:26,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:26,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:27,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:52:27,153 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:52:27,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:52:27,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:52:27,488 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:52:27,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:52:27,586 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:52:27,625 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet112 [2023-11-24 22:52:27,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:52:27 ImpRootNode [2023-11-24 22:52:27,635 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:52:27,639 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:52:27,639 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:52:27,640 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:52:27,640 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:52:26" (3/4) ... [2023-11-24 22:52:27,645 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:52:27,647 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:52:27,649 INFO L158 Benchmark]: Toolchain (without parser) took 4177.02ms. Allocated memory was 130.0MB in the beginning and 207.6MB in the end (delta: 77.6MB). Free memory was 74.0MB in the beginning and 160.0MB in the end (delta: -86.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:52:27,650 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 130.0MB. Free memory was 92.3MB in the beginning and 92.3MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:52:27,651 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1785.75ms. Allocated memory was 130.0MB in the beginning and 167.8MB in the end (delta: 37.7MB). Free memory was 73.7MB in the beginning and 85.1MB in the end (delta: -11.4MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. [2023-11-24 22:52:27,653 INFO L158 Benchmark]: Boogie Procedure Inliner took 232.04ms. Allocated memory is still 167.8MB. Free memory was 85.1MB in the beginning and 130.1MB in the end (delta: -45.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-24 22:52:27,654 INFO L158 Benchmark]: Boogie Preprocessor took 88.04ms. Allocated memory is still 167.8MB. Free memory was 130.1MB in the beginning and 128.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:52:27,656 INFO L158 Benchmark]: RCFGBuilder took 875.44ms. Allocated memory is still 167.8MB. Free memory was 128.0MB in the beginning and 90.2MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-24 22:52:27,657 INFO L158 Benchmark]: CodeCheck took 1174.66ms. Allocated memory was 167.8MB in the beginning and 207.6MB in the end (delta: 39.8MB). Free memory was 90.2MB in the beginning and 160.0MB in the end (delta: -69.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:52:27,658 INFO L158 Benchmark]: Witness Printer took 8.85ms. Allocated memory is still 207.6MB. Free memory is still 160.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:52:27,671 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: 1.1s, 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: 1563]: 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 1571, overapproximation of bitwiseOr at line 1558. 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); [L1571] 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) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=13, argc=13, argv={12:16}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_rand_sub_34_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_rand_sub_34_unionType myUnion; [L1557] data = 0 [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1558] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1559] myUnion.unionFirst = data [L1561] EXPR myUnion.unionSecond [L1561] int data = myUnion.unionSecond; [L1563] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, myUnion={3165:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 130.0MB. Free memory was 92.3MB in the beginning and 92.3MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1785.75ms. Allocated memory was 130.0MB in the beginning and 167.8MB in the end (delta: 37.7MB). Free memory was 73.7MB in the beginning and 85.1MB in the end (delta: -11.4MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 232.04ms. Allocated memory is still 167.8MB. Free memory was 85.1MB in the beginning and 130.1MB in the end (delta: -45.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.04ms. Allocated memory is still 167.8MB. Free memory was 130.1MB in the beginning and 128.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 875.44ms. Allocated memory is still 167.8MB. Free memory was 128.0MB in the beginning and 90.2MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * CodeCheck took 1174.66ms. Allocated memory was 167.8MB in the beginning and 207.6MB in the end (delta: 39.8MB). Free memory was 90.2MB in the beginning and 160.0MB in the end (delta: -69.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.85ms. Allocated memory is still 207.6MB. Free memory is still 160.0MB. 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~nondet112 - 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 22:52:27,708 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bd3b4f3-64dd-42bd-911e-0e317e6626d8/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bd3b4f3-64dd-42bd-911e-0e317e6626d8/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bd3b4f3-64dd-42bd-911e-0e317e6626d8/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_1bd3b4f3-64dd-42bd-911e-0e317e6626d8/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bd3b4f3-64dd-42bd-911e-0e317e6626d8/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_34_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bd3b4f3-64dd-42bd-911e-0e317e6626d8/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_1bd3b4f3-64dd-42bd-911e-0e317e6626d8/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 c834bcca4763473a2a61b1031c665bbb1128b928c0d9e55808738b091941ee77 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:52:30,789 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:52:30,958 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bd3b4f3-64dd-42bd-911e-0e317e6626d8/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 22:52:31,027 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:52:31,030 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:52:31,031 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:52:31,032 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:52:31,033 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:52:31,034 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:52:31,040 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:52:31,041 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:52:31,041 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:52:31,042 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:52:31,044 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:52:31,044 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:52:31,045 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:52:31,045 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:52:31,046 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:52:31,046 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:52:31,047 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:52:31,048 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:52:31,049 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:52:31,050 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:52:31,050 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:52:31,051 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:52:31,051 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:52:31,052 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:52:31,052 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:52:31,053 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:52:31,053 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:52:31,055 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:52:31,055 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:52:31,055 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:52:31,056 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:52:31,056 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:52:31,057 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:52:31,057 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_1bd3b4f3-64dd-42bd-911e-0e317e6626d8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bd3b4f3-64dd-42bd-911e-0e317e6626d8/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c834bcca4763473a2a61b1031c665bbb1128b928c0d9e55808738b091941ee77 [2023-11-24 22:52:31,634 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:52:31,675 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:52:31,679 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:52:31,680 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:52:31,681 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:52:31,683 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bd3b4f3-64dd-42bd-911e-0e317e6626d8/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_34_bad.i [2023-11-24 22:52:35,392 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:52:35,962 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:52:35,963 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bd3b4f3-64dd-42bd-911e-0e317e6626d8/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_34_bad.i [2023-11-24 22:52:36,006 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bd3b4f3-64dd-42bd-911e-0e317e6626d8/bin/ukojak-verify-afCqCEvfdi/data/cbb4a859f/19e818b6f972493299e9f8c34262f940/FLAGd9203d082 [2023-11-24 22:52:36,035 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bd3b4f3-64dd-42bd-911e-0e317e6626d8/bin/ukojak-verify-afCqCEvfdi/data/cbb4a859f/19e818b6f972493299e9f8c34262f940 [2023-11-24 22:52:36,042 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:52:36,044 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:52:36,048 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:52:36,050 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:52:36,056 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:52:36,057 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:52:36" (1/1) ... [2023-11-24 22:52:36,058 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e25604a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:36, skipping insertion in model container [2023-11-24 22:52:36,059 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:52:36" (1/1) ... [2023-11-24 22:52:36,170 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:52:37,471 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:52:37,501 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:52:37,688 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:52:37,955 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:52:37,956 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:52:37,956 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:52:37,956 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:52:37,967 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:52:37,968 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:37 WrapperNode [2023-11-24 22:52:37,968 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:52:37,970 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:52:37,970 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:52:37,970 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:52:37,979 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:37" (1/1) ... [2023-11-24 22:52:38,021 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:37" (1/1) ... [2023-11-24 22:52:38,056 INFO L138 Inliner]: procedures = 503, calls = 59, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2023-11-24 22:52:38,056 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:52:38,057 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:52:38,057 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:52:38,057 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:52:38,078 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:37" (1/1) ... [2023-11-24 22:52:38,078 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:37" (1/1) ... [2023-11-24 22:52:38,084 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:37" (1/1) ... [2023-11-24 22:52:38,085 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:37" (1/1) ... [2023-11-24 22:52:38,098 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:37" (1/1) ... [2023-11-24 22:52:38,100 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:37" (1/1) ... [2023-11-24 22:52:38,105 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:37" (1/1) ... [2023-11-24 22:52:38,107 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:37" (1/1) ... [2023-11-24 22:52:38,113 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:52:38,114 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:52:38,114 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:52:38,114 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:52:38,115 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:37" (1/1) ... [2023-11-24 22:52:38,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:52:38,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bd3b4f3-64dd-42bd-911e-0e317e6626d8/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:52:38,158 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bd3b4f3-64dd-42bd-911e-0e317e6626d8/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:52:38,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bd3b4f3-64dd-42bd-911e-0e317e6626d8/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:52:38,237 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:52:38,237 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:52:38,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:52:38,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:52:38,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:52:38,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:52:38,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:52:38,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 22:52:38,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:52:38,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 22:52:38,239 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:52:38,469 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:52:38,472 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:52:38,700 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:52:38,873 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:52:38,874 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:52:38,876 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:52:38 BoogieIcfgContainer [2023-11-24 22:52:38,879 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:52:38,880 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:52:38,880 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:52:38,893 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:52:38,894 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:52:38" (1/1) ... [2023-11-24 22:52:38,907 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:52:39,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:39,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-24 22:52:39,026 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-24 22:52:39,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:52:39,038 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:39,039 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:52:39,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bd3b4f3-64dd-42bd-911e-0e317e6626d8/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:52:39,044 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bd3b4f3-64dd-42bd-911e-0e317e6626d8/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:52:39,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bd3b4f3-64dd-42bd-911e-0e317e6626d8/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 22:52:39,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:52:39,388 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:52:39,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:52:39,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:52:39,702 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:52:39,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:52:39,803 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bd3b4f3-64dd-42bd-911e-0e317e6626d8/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:52:39,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bd3b4f3-64dd-42bd-911e-0e317e6626d8/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 22:52:39,814 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:52:39,847 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet106 [2023-11-24 22:52:39,857 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:52:39 ImpRootNode [2023-11-24 22:52:39,857 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:52:39,859 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:52:39,860 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:52:39,860 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:52:39,861 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:52:38" (3/4) ... [2023-11-24 22:52:39,863 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:52:39,865 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:52:39,866 INFO L158 Benchmark]: Toolchain (without parser) took 3822.07ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 51.9MB in the beginning and 41.9MB in the end (delta: 10.0MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2023-11-24 22:52:39,867 INFO L158 Benchmark]: CDTParser took 0.72ms. Allocated memory is still 58.7MB. Free memory is still 34.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:52:39,868 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1920.35ms. Allocated memory is still 79.7MB. Free memory was 51.7MB in the beginning and 45.8MB in the end (delta: 5.9MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2023-11-24 22:52:39,869 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.88ms. Allocated memory is still 79.7MB. Free memory was 45.8MB in the beginning and 42.6MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:52:39,870 INFO L158 Benchmark]: Boogie Preprocessor took 56.00ms. Allocated memory is still 79.7MB. Free memory was 42.6MB in the beginning and 40.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:52:39,872 INFO L158 Benchmark]: RCFGBuilder took 765.01ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 40.5MB in the beginning and 59.7MB in the end (delta: -19.2MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2023-11-24 22:52:39,873 INFO L158 Benchmark]: CodeCheck took 977.18ms. Allocated memory is still 96.5MB. Free memory was 59.7MB in the beginning and 41.9MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-24 22:52:39,874 INFO L158 Benchmark]: Witness Printer took 5.75ms. Allocated memory is still 96.5MB. Free memory was 41.9MB in the beginning and 41.9MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:52:39,890 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: 1563]: 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 1571. 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); [L1571] 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) [L1571] 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] [L1572] CALL CWE191_Integer_Underflow__int_rand_sub_34_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_rand_sub_34_unionType myUnion; [L1557] data = 0 [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1559] myUnion.unionFirst = data [L1561] EXPR myUnion.unionSecond [L1561] int data = myUnion.unionSecond; [L1563] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, myUnion={5:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.72ms. Allocated memory is still 58.7MB. Free memory is still 34.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1920.35ms. Allocated memory is still 79.7MB. Free memory was 51.7MB in the beginning and 45.8MB in the end (delta: 5.9MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.88ms. Allocated memory is still 79.7MB. Free memory was 45.8MB in the beginning and 42.6MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.00ms. Allocated memory is still 79.7MB. Free memory was 42.6MB in the beginning and 40.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 765.01ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 40.5MB in the beginning and 59.7MB in the end (delta: -19.2MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * CodeCheck took 977.18ms. Allocated memory is still 96.5MB. Free memory was 59.7MB in the beginning and 41.9MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 5.75ms. Allocated memory is still 96.5MB. Free memory was 41.9MB in the beginning and 41.9MB 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~nondet106 - 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 22:52:39,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bd3b4f3-64dd-42bd-911e-0e317e6626d8/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