./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_42_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_353a983d-3abc-4ff7-9f16-25f3be50d35d/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_353a983d-3abc-4ff7-9f16-25f3be50d35d/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_353a983d-3abc-4ff7-9f16-25f3be50d35d/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_353a983d-3abc-4ff7-9f16-25f3be50d35d/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_42_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_353a983d-3abc-4ff7-9f16-25f3be50d35d/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_353a983d-3abc-4ff7-9f16-25f3be50d35d/bin/ukojak-verify-1t5iHCbJaC --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 859d586f3554689b3afe31eff4b970ea908eb1b9e630b17b4d6babe089c9ea31 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:02:27,648 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:02:27,734 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_353a983d-3abc-4ff7-9f16-25f3be50d35d/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:02:27,739 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:02:27,739 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:02:27,766 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:02:27,767 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:02:27,768 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:02:27,769 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:02:27,769 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:02:27,770 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:02:27,770 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:02:27,771 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:02:27,772 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:02:27,772 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:02:27,773 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:02:27,773 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:02:27,774 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:02:27,774 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:02:27,775 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:02:27,776 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:02:27,776 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:02:27,777 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:02:27,778 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:02:27,778 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:02:27,779 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:02:27,780 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:02:27,780 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:02:27,781 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:02:27,781 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:02:27,782 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:02:27,782 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:02:27,783 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_353a983d-3abc-4ff7-9f16-25f3be50d35d/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_353a983d-3abc-4ff7-9f16-25f3be50d35d/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 859d586f3554689b3afe31eff4b970ea908eb1b9e630b17b4d6babe089c9ea31 [2023-11-23 20:02:28,039 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:02:28,076 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:02:28,079 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:02:28,081 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:02:28,082 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:02:28,083 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_353a983d-3abc-4ff7-9f16-25f3be50d35d/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_42_bad.i [2023-11-23 20:02:31,207 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:02:31,671 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:02:31,677 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_353a983d-3abc-4ff7-9f16-25f3be50d35d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_42_bad.i [2023-11-23 20:02:31,713 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_353a983d-3abc-4ff7-9f16-25f3be50d35d/bin/ukojak-verify-1t5iHCbJaC/data/cd2caa3d4/c2aa9ddc0b2e44a98cc0f6d4089c0500/FLAG0335cc1f9 [2023-11-23 20:02:31,739 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_353a983d-3abc-4ff7-9f16-25f3be50d35d/bin/ukojak-verify-1t5iHCbJaC/data/cd2caa3d4/c2aa9ddc0b2e44a98cc0f6d4089c0500 [2023-11-23 20:02:31,745 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:02:31,749 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:02:31,752 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:02:31,752 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:02:31,758 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:02:31,761 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:02:31" (1/1) ... [2023-11-23 20:02:31,763 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@512fabc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:31, skipping insertion in model container [2023-11-23 20:02:31,764 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:02:31" (1/1) ... [2023-11-23 20:02:31,854 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:02:32,407 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:02:33,024 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:02:33,039 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:02:33,077 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:02:33,189 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:02:33,419 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:02:33,428 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:02:33,428 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:02:33,428 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:02:33,428 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:02:33,437 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:02:33,438 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:33 WrapperNode [2023-11-23 20:02:33,438 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:02:33,440 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:02:33,440 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:02:33,441 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:02:33,448 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:33" (1/1) ... [2023-11-23 20:02:33,510 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:33" (1/1) ... [2023-11-23 20:02:33,554 INFO L138 Inliner]: procedures = 500, calls = 57, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 95 [2023-11-23 20:02:33,562 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:02:33,563 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:02:33,563 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:02:33,563 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:02:33,572 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:33" (1/1) ... [2023-11-23 20:02:33,573 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:33" (1/1) ... [2023-11-23 20:02:33,576 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:33" (1/1) ... [2023-11-23 20:02:33,577 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:33" (1/1) ... [2023-11-23 20:02:33,584 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:33" (1/1) ... [2023-11-23 20:02:33,587 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:33" (1/1) ... [2023-11-23 20:02:33,589 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:33" (1/1) ... [2023-11-23 20:02:33,590 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:33" (1/1) ... [2023-11-23 20:02:33,595 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:02:33,596 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:02:33,597 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:02:33,597 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:02:33,598 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:33" (1/1) ... [2023-11-23 20:02:33,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:02:33,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_353a983d-3abc-4ff7-9f16-25f3be50d35d/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:02:33,653 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_353a983d-3abc-4ff7-9f16-25f3be50d35d/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:02:33,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_353a983d-3abc-4ff7-9f16-25f3be50d35d/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:02:33,691 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:02:33,691 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:02:33,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:02:33,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:02:33,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:02:33,692 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:02:33,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:02:33,833 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:02:33,836 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:02:34,076 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:02:34,337 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:02:34,338 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:02:34,340 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:02:34 BoogieIcfgContainer [2023-11-23 20:02:34,340 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:02:34,341 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:02:34,341 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:02:34,351 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:02:34,353 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:02:34" (1/1) ... [2023-11-23 20:02:34,363 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:02:34,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:02:34,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-23 20:02:34,437 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-23 20:02:34,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:02:34,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:02:34,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:02:34,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:02:34,887 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:02:35,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:02:35,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:02:35,149 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:02:35,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:02:35,202 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-23 20:02:35,234 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post111 could not be translated [2023-11-23 20:02:35,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:02:35 ImpRootNode [2023-11-23 20:02:35,240 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:02:35,242 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:02:35,243 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:02:35,244 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:02:35,244 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:02:34" (3/4) ... [2023-11-23 20:02:35,249 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:02:35,250 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:02:35,251 INFO L158 Benchmark]: Toolchain (without parser) took 3502.28ms. Allocated memory is still 155.2MB. Free memory was 123.1MB in the beginning and 90.6MB in the end (delta: 32.5MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2023-11-23 20:02:35,252 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 107.0MB. Free memory is still 62.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:02:35,253 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1686.12ms. Allocated memory is still 155.2MB. Free memory was 122.9MB in the beginning and 114.8MB in the end (delta: 8.1MB). Peak memory consumption was 63.1MB. Max. memory is 16.1GB. [2023-11-23 20:02:35,254 INFO L158 Benchmark]: Boogie Procedure Inliner took 122.17ms. Allocated memory is still 155.2MB. Free memory was 114.8MB in the beginning and 112.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:02:35,254 INFO L158 Benchmark]: Boogie Preprocessor took 32.92ms. Allocated memory is still 155.2MB. Free memory was 112.0MB in the beginning and 109.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:02:35,256 INFO L158 Benchmark]: RCFGBuilder took 743.68ms. Allocated memory is still 155.2MB. Free memory was 109.9MB in the beginning and 72.9MB in the end (delta: 37.0MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-23 20:02:35,256 INFO L158 Benchmark]: CodeCheck took 899.78ms. Allocated memory is still 155.2MB. Free memory was 72.9MB in the beginning and 91.6MB in the end (delta: -18.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:02:35,257 INFO L158 Benchmark]: Witness Printer took 7.88ms. Allocated memory is still 155.2MB. Free memory was 91.6MB in the beginning and 90.6MB in the end (delta: 948.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:02:35,260 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: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1550. 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); [L1567] 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) [L1567] 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] [L1568] CALL CWE191_Integer_Underflow__int_rand_postdec_42_bad() [L1555] int data; [L1556] data = 0 [L1557] CALL, EXPR badSource(data) [L1550] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1550] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1550] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1550] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1550] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1551] return data; [L1557] RET, EXPR badSource(data) [L1557] data = badSource(data) [L1559] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 107.0MB. Free memory is still 62.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1686.12ms. Allocated memory is still 155.2MB. Free memory was 122.9MB in the beginning and 114.8MB in the end (delta: 8.1MB). Peak memory consumption was 63.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 122.17ms. Allocated memory is still 155.2MB. Free memory was 114.8MB in the beginning and 112.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.92ms. Allocated memory is still 155.2MB. Free memory was 112.0MB in the beginning and 109.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 743.68ms. Allocated memory is still 155.2MB. Free memory was 109.9MB in the beginning and 72.9MB in the end (delta: 37.0MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * CodeCheck took 899.78ms. Allocated memory is still 155.2MB. Free memory was 72.9MB in the beginning and 91.6MB in the end (delta: -18.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.88ms. Allocated memory is still 155.2MB. Free memory was 91.6MB in the beginning and 90.6MB in the end (delta: 948.6kB). 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: IdentifierExpression #t~post111 could not be translated - 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 [2023-11-23 20:02:35,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_353a983d-3abc-4ff7-9f16-25f3be50d35d/bin/ukojak-verify-1t5iHCbJaC/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_353a983d-3abc-4ff7-9f16-25f3be50d35d/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_353a983d-3abc-4ff7-9f16-25f3be50d35d/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_353a983d-3abc-4ff7-9f16-25f3be50d35d/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_353a983d-3abc-4ff7-9f16-25f3be50d35d/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_42_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_353a983d-3abc-4ff7-9f16-25f3be50d35d/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_353a983d-3abc-4ff7-9f16-25f3be50d35d/bin/ukojak-verify-1t5iHCbJaC --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 859d586f3554689b3afe31eff4b970ea908eb1b9e630b17b4d6babe089c9ea31 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:02:38,134 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:02:38,270 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_353a983d-3abc-4ff7-9f16-25f3be50d35d/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-23 20:02:38,321 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:02:38,322 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:02:38,323 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:02:38,324 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:02:38,324 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:02:38,325 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:02:38,330 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:02:38,331 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:02:38,331 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:02:38,332 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:02:38,333 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:02:38,334 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:02:38,334 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:02:38,334 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:02:38,335 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:02:38,335 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:02:38,335 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:02:38,336 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:02:38,337 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:02:38,337 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:02:38,337 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:02:38,338 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:02:38,338 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:02:38,339 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:02:38,339 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:02:38,339 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:02:38,340 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:02:38,341 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:02:38,341 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:02:38,342 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:02:38,342 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:02:38,342 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:02:38,342 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:02:38,343 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_353a983d-3abc-4ff7-9f16-25f3be50d35d/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_353a983d-3abc-4ff7-9f16-25f3be50d35d/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 859d586f3554689b3afe31eff4b970ea908eb1b9e630b17b4d6babe089c9ea31 [2023-11-23 20:02:38,746 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:02:38,780 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:02:38,783 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:02:38,784 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:02:38,785 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:02:38,787 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_353a983d-3abc-4ff7-9f16-25f3be50d35d/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_42_bad.i [2023-11-23 20:02:41,995 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:02:42,542 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:02:42,543 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_353a983d-3abc-4ff7-9f16-25f3be50d35d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_42_bad.i [2023-11-23 20:02:42,577 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_353a983d-3abc-4ff7-9f16-25f3be50d35d/bin/ukojak-verify-1t5iHCbJaC/data/40b9b8fe1/9b3719723b134894a6692cac6d53e809/FLAG0e899288a [2023-11-23 20:02:42,596 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_353a983d-3abc-4ff7-9f16-25f3be50d35d/bin/ukojak-verify-1t5iHCbJaC/data/40b9b8fe1/9b3719723b134894a6692cac6d53e809 [2023-11-23 20:02:42,599 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:02:42,601 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:02:42,603 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:02:42,603 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:02:42,608 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:02:42,611 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:02:42" (1/1) ... [2023-11-23 20:02:42,612 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e003d42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:42, skipping insertion in model container [2023-11-23 20:02:42,613 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:02:42" (1/1) ... [2023-11-23 20:02:42,705 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:02:43,152 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:02:43,777 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:02:43,803 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:02:43,834 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:02:43,999 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:02:44,236 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:02:44,236 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:02:44,237 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:02:44,237 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:02:44,237 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:02:44,246 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:02:44,247 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:44 WrapperNode [2023-11-23 20:02:44,248 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:02:44,249 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:02:44,250 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:02:44,250 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:02:44,260 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:44" (1/1) ... [2023-11-23 20:02:44,318 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:44" (1/1) ... [2023-11-23 20:02:44,365 INFO L138 Inliner]: procedures = 505, calls = 57, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 62 [2023-11-23 20:02:44,365 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:02:44,366 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:02:44,367 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:02:44,367 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:02:44,402 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:44" (1/1) ... [2023-11-23 20:02:44,402 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:44" (1/1) ... [2023-11-23 20:02:44,406 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:44" (1/1) ... [2023-11-23 20:02:44,407 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:44" (1/1) ... [2023-11-23 20:02:44,417 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:44" (1/1) ... [2023-11-23 20:02:44,419 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:44" (1/1) ... [2023-11-23 20:02:44,423 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:44" (1/1) ... [2023-11-23 20:02:44,426 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:44" (1/1) ... [2023-11-23 20:02:44,431 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:02:44,432 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:02:44,432 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:02:44,432 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:02:44,433 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:44" (1/1) ... [2023-11-23 20:02:44,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:02:44,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_353a983d-3abc-4ff7-9f16-25f3be50d35d/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:02:44,472 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_353a983d-3abc-4ff7-9f16-25f3be50d35d/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:02:44,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_353a983d-3abc-4ff7-9f16-25f3be50d35d/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:02:44,529 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:02:44,530 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:02:44,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:02:44,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:02:44,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:02:44,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:02:44,532 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:02:44,720 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:02:44,724 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:02:44,976 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:02:45,109 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:02:45,112 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:02:45,116 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:02:45 BoogieIcfgContainer [2023-11-23 20:02:45,117 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:02:45,118 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:02:45,118 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:02:45,130 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:02:45,130 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:02:45" (1/1) ... [2023-11-23 20:02:45,141 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:02:45,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:02:45,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-23 20:02:45,233 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-23 20:02:45,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:02:45,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:02:45,240 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:02:45,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_353a983d-3abc-4ff7-9f16-25f3be50d35d/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:02:45,244 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_353a983d-3abc-4ff7-9f16-25f3be50d35d/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:02:45,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_353a983d-3abc-4ff7-9f16-25f3be50d35d/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-23 20:02:45,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:02:45,518 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:02:45,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:02:45,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:02:45,726 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:02:45,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:02:45,779 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_353a983d-3abc-4ff7-9f16-25f3be50d35d/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 20:02:45,786 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_353a983d-3abc-4ff7-9f16-25f3be50d35d/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-23 20:02:45,788 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-23 20:02:45,818 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post105 could not be translated [2023-11-23 20:02:45,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:02:45 ImpRootNode [2023-11-23 20:02:45,825 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:02:45,827 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:02:45,827 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:02:45,827 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:02:45,828 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:02:45" (3/4) ... [2023-11-23 20:02:45,829 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-23 20:02:45,842 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post105 could not be translated [2023-11-23 20:02:45,900 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_353a983d-3abc-4ff7-9f16-25f3be50d35d/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:02:45,900 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:02:45,902 INFO L158 Benchmark]: Toolchain (without parser) took 3300.29ms. Allocated memory was 77.6MB in the beginning and 100.7MB in the end (delta: 23.1MB). Free memory was 50.0MB in the beginning and 65.3MB in the end (delta: -15.2MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2023-11-23 20:02:45,902 INFO L158 Benchmark]: CDTParser took 0.54ms. Allocated memory is still 77.6MB. Free memory is still 53.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:02:45,903 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1645.57ms. Allocated memory was 77.6MB in the beginning and 100.7MB in the end (delta: 23.1MB). Free memory was 49.8MB in the beginning and 48.7MB in the end (delta: 1.1MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. [2023-11-23 20:02:45,903 INFO L158 Benchmark]: Boogie Procedure Inliner took 116.53ms. Allocated memory is still 100.7MB. Free memory was 48.7MB in the beginning and 45.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:02:45,904 INFO L158 Benchmark]: Boogie Preprocessor took 64.77ms. Allocated memory is still 100.7MB. Free memory was 45.7MB in the beginning and 71.9MB in the end (delta: -26.2MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2023-11-23 20:02:45,904 INFO L158 Benchmark]: RCFGBuilder took 685.35ms. Allocated memory is still 100.7MB. Free memory was 71.9MB in the beginning and 53.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-23 20:02:45,905 INFO L158 Benchmark]: CodeCheck took 706.80ms. Allocated memory is still 100.7MB. Free memory was 53.0MB in the beginning and 67.3MB in the end (delta: -14.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:02:45,905 INFO L158 Benchmark]: Witness Printer took 73.72ms. Allocated memory is still 100.7MB. Free memory was 67.3MB in the beginning and 65.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:02:45,908 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 1559]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1567] 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) [L1567] 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] [L1568] CALL CWE191_Integer_Underflow__int_rand_postdec_42_bad() [L1555] int data; [L1556] data = 0 [L1557] CALL, EXPR badSource(data) [L1550] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1550] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1550] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1551] return data; [L1557] RET, EXPR badSource(data) [L1557] data = badSource(data) [L1559] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54ms. Allocated memory is still 77.6MB. Free memory is still 53.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1645.57ms. Allocated memory was 77.6MB in the beginning and 100.7MB in the end (delta: 23.1MB). Free memory was 49.8MB in the beginning and 48.7MB in the end (delta: 1.1MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 116.53ms. Allocated memory is still 100.7MB. Free memory was 48.7MB in the beginning and 45.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.77ms. Allocated memory is still 100.7MB. Free memory was 45.7MB in the beginning and 71.9MB in the end (delta: -26.2MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. * RCFGBuilder took 685.35ms. Allocated memory is still 100.7MB. Free memory was 71.9MB in the beginning and 53.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 706.80ms. Allocated memory is still 100.7MB. Free memory was 53.0MB in the beginning and 67.3MB in the end (delta: -14.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 73.72ms. Allocated memory is still 100.7MB. Free memory was 67.3MB in the beginning and 65.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post105 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post105 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate proved your program to be incorrect! [2023-11-23 20:02:45,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_353a983d-3abc-4ff7-9f16-25f3be50d35d/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)