./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_53_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467951d-6ce3-49a7-bf91-c3a1dfd032ec/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467951d-6ce3-49a7-bf91-c3a1dfd032ec/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_4467951d-6ce3-49a7-bf91-c3a1dfd032ec/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467951d-6ce3-49a7-bf91-c3a1dfd032ec/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467951d-6ce3-49a7-bf91-c3a1dfd032ec/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_4467951d-6ce3-49a7-bf91-c3a1dfd032ec/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 bd94392dae1f8038597832d2598893598df6d7760616e8a3ba0033b767755def --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:12:51,635 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:12:51,727 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467951d-6ce3-49a7-bf91-c3a1dfd032ec/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:12:51,733 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:12:51,734 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:12:51,760 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:12:51,761 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:12:51,762 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:12:51,763 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:12:51,763 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:12:51,764 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:12:51,765 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:12:51,765 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:12:51,766 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:12:51,766 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:12:51,767 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:12:51,768 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:12:51,768 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:12:51,769 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:12:51,769 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:12:51,770 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:12:51,771 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:12:51,771 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:12:51,772 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:12:51,772 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:12:51,773 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:12:51,774 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:12:51,774 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:12:51,775 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:12:51,775 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:12:51,776 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:12:51,776 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:12:51,777 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_4467951d-6ce3-49a7-bf91-c3a1dfd032ec/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467951d-6ce3-49a7-bf91-c3a1dfd032ec/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd94392dae1f8038597832d2598893598df6d7760616e8a3ba0033b767755def [2023-11-23 20:12:52,067 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:12:52,099 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:12:52,102 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:12:52,104 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:12:52,105 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:12:52,107 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467951d-6ce3-49a7-bf91-c3a1dfd032ec/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_53_bad.i [2023-11-23 20:12:55,133 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:12:55,556 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:12:55,557 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467951d-6ce3-49a7-bf91-c3a1dfd032ec/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_53_bad.i [2023-11-23 20:12:55,584 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467951d-6ce3-49a7-bf91-c3a1dfd032ec/bin/ukojak-verify-1t5iHCbJaC/data/be37ac758/73b94ada9ddc446b95b06531c66f2f63/FLAG1a122ae9e [2023-11-23 20:12:55,601 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467951d-6ce3-49a7-bf91-c3a1dfd032ec/bin/ukojak-verify-1t5iHCbJaC/data/be37ac758/73b94ada9ddc446b95b06531c66f2f63 [2023-11-23 20:12:55,603 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:12:55,605 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:12:55,607 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:12:55,607 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:12:55,611 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:12:55,612 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:12:55" (1/1) ... [2023-11-23 20:12:55,613 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7530a9ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:55, skipping insertion in model container [2023-11-23 20:12:55,613 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:12:55" (1/1) ... [2023-11-23 20:12:55,683 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:12:56,094 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:12:56,749 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:12:56,768 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:12:56,803 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:12:56,902 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:12:57,073 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:12:57,074 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:12:57,074 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:12:57,074 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:12:57,074 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:12:57,082 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:12:57,083 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:57 WrapperNode [2023-11-23 20:12:57,083 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:12:57,085 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:12:57,085 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:12:57,085 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:12:57,097 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:57" (1/1) ... [2023-11-23 20:12:57,137 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:57" (1/1) ... [2023-11-23 20:12:57,180 INFO L138 Inliner]: procedures = 502, calls = 59, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 92 [2023-11-23 20:12:57,181 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:12:57,182 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:12:57,182 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:12:57,182 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:12:57,197 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:57" (1/1) ... [2023-11-23 20:12:57,198 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:57" (1/1) ... [2023-11-23 20:12:57,217 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:57" (1/1) ... [2023-11-23 20:12:57,217 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:57" (1/1) ... [2023-11-23 20:12:57,224 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:57" (1/1) ... [2023-11-23 20:12:57,227 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:57" (1/1) ... [2023-11-23 20:12:57,229 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:57" (1/1) ... [2023-11-23 20:12:57,231 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:57" (1/1) ... [2023-11-23 20:12:57,234 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:12:57,235 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:12:57,236 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:12:57,236 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:12:57,237 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:57" (1/1) ... [2023-11-23 20:12:57,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:12:57,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467951d-6ce3-49a7-bf91-c3a1dfd032ec/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:12:57,293 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467951d-6ce3-49a7-bf91-c3a1dfd032ec/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:12:57,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467951d-6ce3-49a7-bf91-c3a1dfd032ec/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:12:57,329 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:12:57,329 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:12:57,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:12:57,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:12:57,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:12:57,330 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:12:57,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:12:57,490 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:12:57,491 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:12:57,699 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:12:57,966 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:12:57,967 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:12:57,968 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:12:57 BoogieIcfgContainer [2023-11-23 20:12:57,969 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:12:57,970 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:12:57,970 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:12:57,981 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:12:57,982 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:12:57" (1/1) ... [2023-11-23 20:12:57,993 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:12:58,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:58,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-23 20:12:58,060 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-23 20:12:58,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:12:58,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:58,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:58,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:12:58,431 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:12:58,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:12:58,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:12:58,670 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:12:58,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:12:58,756 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-23 20:12:58,795 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:12:58 ImpRootNode [2023-11-23 20:12:58,795 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:12:58,799 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:12:58,799 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:12:58,800 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:12:58,800 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:12:57" (3/4) ... [2023-11-23 20:12:58,805 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:12:58,806 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:12:58,807 INFO L158 Benchmark]: Toolchain (without parser) took 3201.94ms. Allocated memory is still 186.6MB. Free memory was 135.9MB in the beginning and 147.0MB in the end (delta: -11.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:12:58,808 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 138.4MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:12:58,809 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1477.06ms. Allocated memory is still 186.6MB. Free memory was 135.9MB in the beginning and 145.0MB in the end (delta: -9.1MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. [2023-11-23 20:12:58,809 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.15ms. Allocated memory is still 186.6MB. Free memory was 145.0MB in the beginning and 142.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:12:58,811 INFO L158 Benchmark]: Boogie Preprocessor took 53.24ms. Allocated memory is still 186.6MB. Free memory was 142.0MB in the beginning and 140.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:12:58,811 INFO L158 Benchmark]: RCFGBuilder took 733.33ms. Allocated memory is still 186.6MB. Free memory was 140.8MB in the beginning and 103.0MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-23 20:12:58,812 INFO L158 Benchmark]: CodeCheck took 825.86ms. Allocated memory is still 186.6MB. Free memory was 103.0MB in the beginning and 148.0MB in the end (delta: -45.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:12:58,813 INFO L158 Benchmark]: Witness Printer took 7.58ms. Allocated memory is still 186.6MB. Free memory is still 147.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:12:58,823 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1578]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1553. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=13, argc=13, argv={12:14}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_rand_multiply_53_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_multiply_53b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_rand_multiply_53c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_rand_multiply_53d_badSink(data) [L1576] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1578] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 138.4MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1477.06ms. Allocated memory is still 186.6MB. Free memory was 135.9MB in the beginning and 145.0MB in the end (delta: -9.1MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.15ms. Allocated memory is still 186.6MB. Free memory was 145.0MB in the beginning and 142.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.24ms. Allocated memory is still 186.6MB. Free memory was 142.0MB in the beginning and 140.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 733.33ms. Allocated memory is still 186.6MB. Free memory was 140.8MB in the beginning and 103.0MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * CodeCheck took 825.86ms. Allocated memory is still 186.6MB. Free memory was 103.0MB in the beginning and 148.0MB in the end (delta: -45.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.58ms. Allocated memory is still 186.6MB. Free memory is still 147.0MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 20:12:58,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467951d-6ce3-49a7-bf91-c3a1dfd032ec/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467951d-6ce3-49a7-bf91-c3a1dfd032ec/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467951d-6ce3-49a7-bf91-c3a1dfd032ec/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_4467951d-6ce3-49a7-bf91-c3a1dfd032ec/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467951d-6ce3-49a7-bf91-c3a1dfd032ec/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467951d-6ce3-49a7-bf91-c3a1dfd032ec/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_4467951d-6ce3-49a7-bf91-c3a1dfd032ec/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 bd94392dae1f8038597832d2598893598df6d7760616e8a3ba0033b767755def --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:13:01,599 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:13:01,691 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467951d-6ce3-49a7-bf91-c3a1dfd032ec/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-23 20:13:01,721 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:13:01,722 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:13:01,723 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:13:01,724 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:13:01,725 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:13:01,725 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:13:01,726 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:13:01,727 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:13:01,727 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:13:01,728 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:13:01,729 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:13:01,730 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:13:01,730 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:13:01,731 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:13:01,732 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:13:01,732 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:13:01,733 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:13:01,734 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:13:01,734 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:13:01,735 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:13:01,736 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:13:01,736 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:13:01,737 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:13:01,738 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:13:01,738 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:13:01,739 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:13:01,739 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:13:01,740 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:13:01,740 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:13:01,741 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:13:01,741 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:13:01,742 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:13:01,742 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:13:01,742 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_4467951d-6ce3-49a7-bf91-c3a1dfd032ec/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467951d-6ce3-49a7-bf91-c3a1dfd032ec/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd94392dae1f8038597832d2598893598df6d7760616e8a3ba0033b767755def [2023-11-23 20:13:02,159 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:13:02,198 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:13:02,207 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:13:02,210 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:13:02,211 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:13:02,212 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467951d-6ce3-49a7-bf91-c3a1dfd032ec/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_53_bad.i [2023-11-23 20:13:05,531 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:13:05,980 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:13:05,981 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467951d-6ce3-49a7-bf91-c3a1dfd032ec/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_53_bad.i [2023-11-23 20:13:06,017 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467951d-6ce3-49a7-bf91-c3a1dfd032ec/bin/ukojak-verify-1t5iHCbJaC/data/3f1774e5c/8dd37f1d1c2b48e4bb4d558ba37fa4ce/FLAG7ca688b67 [2023-11-23 20:13:06,037 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467951d-6ce3-49a7-bf91-c3a1dfd032ec/bin/ukojak-verify-1t5iHCbJaC/data/3f1774e5c/8dd37f1d1c2b48e4bb4d558ba37fa4ce [2023-11-23 20:13:06,042 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:13:06,046 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:13:06,048 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:13:06,049 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:13:06,054 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:13:06,055 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:13:06" (1/1) ... [2023-11-23 20:13:06,057 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e335d2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:06, skipping insertion in model container [2023-11-23 20:13:06,057 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:13:06" (1/1) ... [2023-11-23 20:13:06,132 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:13:06,570 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:13:07,191 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:13:07,207 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:13:07,246 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:13:07,397 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:13:07,532 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:13:07,533 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:13:07,533 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:13:07,533 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:13:07,533 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:13:07,541 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:13:07,542 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:07 WrapperNode [2023-11-23 20:13:07,542 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:13:07,543 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:13:07,544 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:13:07,544 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:13:07,550 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:07" (1/1) ... [2023-11-23 20:13:07,581 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:07" (1/1) ... [2023-11-23 20:13:07,609 INFO L138 Inliner]: procedures = 507, calls = 59, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 60 [2023-11-23 20:13:07,609 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:13:07,610 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:13:07,610 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:13:07,610 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:13:07,620 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:07" (1/1) ... [2023-11-23 20:13:07,620 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:07" (1/1) ... [2023-11-23 20:13:07,625 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:07" (1/1) ... [2023-11-23 20:13:07,625 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:07" (1/1) ... [2023-11-23 20:13:07,635 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:07" (1/1) ... [2023-11-23 20:13:07,637 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:07" (1/1) ... [2023-11-23 20:13:07,641 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:07" (1/1) ... [2023-11-23 20:13:07,643 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:07" (1/1) ... [2023-11-23 20:13:07,648 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:13:07,649 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:13:07,649 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:13:07,649 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:13:07,650 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:07" (1/1) ... [2023-11-23 20:13:07,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:13:07,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467951d-6ce3-49a7-bf91-c3a1dfd032ec/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:13:07,701 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467951d-6ce3-49a7-bf91-c3a1dfd032ec/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:13:07,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467951d-6ce3-49a7-bf91-c3a1dfd032ec/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:13:07,744 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:13:07,744 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:13:07,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:13:07,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:13:07,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:13:07,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:13:07,745 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:13:07,919 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:13:07,921 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:13:08,072 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:13:08,182 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:13:08,183 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:13:08,188 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:13:08 BoogieIcfgContainer [2023-11-23 20:13:08,188 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:13:08,189 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:13:08,189 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:13:08,198 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:13:08,198 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:13:08" (1/1) ... [2023-11-23 20:13:08,207 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:13:08,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:08,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-23 20:13:08,262 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-23 20:13:08,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:13:08,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:08,267 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:13:08,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467951d-6ce3-49a7-bf91-c3a1dfd032ec/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:13:08,270 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467951d-6ce3-49a7-bf91-c3a1dfd032ec/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:13:08,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467951d-6ce3-49a7-bf91-c3a1dfd032ec/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-23 20:13:08,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:13:08,465 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:13:08,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:13:08,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:13:08,602 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:13:08,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:13:08,653 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467951d-6ce3-49a7-bf91-c3a1dfd032ec/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 20:13:08,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467951d-6ce3-49a7-bf91-c3a1dfd032ec/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-23 20:13:08,664 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-23 20:13:08,703 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:13:08 ImpRootNode [2023-11-23 20:13:08,703 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:13:08,705 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:13:08,705 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:13:08,705 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:13:08,706 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:13:08" (3/4) ... [2023-11-23 20:13:08,707 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-23 20:13:08,783 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467951d-6ce3-49a7-bf91-c3a1dfd032ec/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:13:08,783 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:13:08,785 INFO L158 Benchmark]: Toolchain (without parser) took 2738.19ms. Allocated memory was 77.6MB in the beginning and 107.0MB in the end (delta: 29.4MB). Free memory was 49.8MB in the beginning and 53.5MB in the end (delta: -3.7MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. [2023-11-23 20:13:08,785 INFO L158 Benchmark]: CDTParser took 0.76ms. Allocated memory is still 77.6MB. Free memory is still 53.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:13:08,785 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1494.35ms. Allocated memory was 77.6MB in the beginning and 107.0MB in the end (delta: 29.4MB). Free memory was 49.6MB in the beginning and 60.4MB in the end (delta: -10.8MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. [2023-11-23 20:13:08,786 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.21ms. Allocated memory is still 107.0MB. Free memory was 60.4MB in the beginning and 57.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:13:08,787 INFO L158 Benchmark]: Boogie Preprocessor took 38.05ms. Allocated memory is still 107.0MB. Free memory was 57.3MB in the beginning and 55.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:13:08,787 INFO L158 Benchmark]: RCFGBuilder took 539.67ms. Allocated memory is still 107.0MB. Free memory was 55.2MB in the beginning and 71.1MB in the end (delta: -15.9MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2023-11-23 20:13:08,788 INFO L158 Benchmark]: CodeCheck took 513.96ms. Allocated memory is still 107.0MB. Free memory was 71.1MB in the beginning and 55.6MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 20:13:08,788 INFO L158 Benchmark]: Witness Printer took 78.26ms. Allocated memory is still 107.0MB. Free memory was 55.6MB in the beginning and 53.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:13:08,797 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 1578]: 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); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=0, argc=0, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_rand_multiply_53_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_multiply_53b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_rand_multiply_53c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_rand_multiply_53d_badSink(data) [L1576] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-1073774592, data=-1073774592, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1578] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-1073774592, data=-1073774592, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.76ms. Allocated memory is still 77.6MB. Free memory is still 53.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1494.35ms. Allocated memory was 77.6MB in the beginning and 107.0MB in the end (delta: 29.4MB). Free memory was 49.6MB in the beginning and 60.4MB in the end (delta: -10.8MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.21ms. Allocated memory is still 107.0MB. Free memory was 60.4MB in the beginning and 57.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.05ms. Allocated memory is still 107.0MB. Free memory was 57.3MB in the beginning and 55.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 539.67ms. Allocated memory is still 107.0MB. Free memory was 55.2MB in the beginning and 71.1MB in the end (delta: -15.9MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. * CodeCheck took 513.96ms. Allocated memory is still 107.0MB. Free memory was 71.1MB in the beginning and 55.6MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 78.26ms. Allocated memory is still 107.0MB. Free memory was 55.6MB in the beginning and 53.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-23 20:13:08,839 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467951d-6ce3-49a7-bf91-c3a1dfd032ec/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)