./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_14_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_e20303e0-9ec9-4bda-ad26-10421a09dcea/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e20303e0-9ec9-4bda-ad26-10421a09dcea/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e20303e0-9ec9-4bda-ad26-10421a09dcea/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e20303e0-9ec9-4bda-ad26-10421a09dcea/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_14_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e20303e0-9ec9-4bda-ad26-10421a09dcea/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e20303e0-9ec9-4bda-ad26-10421a09dcea/bin/ukojak-verify-0OAaufAVZV --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 0d2a5b81ae1e36d2509be28e0377a91f23408f92f2bcc20167ca32c16fd094b2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:50:19,964 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:50:20,086 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e20303e0-9ec9-4bda-ad26-10421a09dcea/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-11 23:50:20,092 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:50:20,093 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:50:20,141 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:50:20,142 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:50:20,143 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:50:20,144 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:50:20,150 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:50:20,150 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:50:20,151 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:50:20,151 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:50:20,153 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:50:20,153 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:50:20,153 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:50:20,154 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:50:20,154 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:50:20,155 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:50:20,155 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:50:20,155 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:50:20,156 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:50:20,156 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:50:20,157 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:50:20,158 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:50:20,158 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:50:20,159 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:50:20,159 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:50:20,159 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:50:20,160 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:50:20,161 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:50:20,161 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_e20303e0-9ec9-4bda-ad26-10421a09dcea/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e20303e0-9ec9-4bda-ad26-10421a09dcea/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d2a5b81ae1e36d2509be28e0377a91f23408f92f2bcc20167ca32c16fd094b2 [2023-11-11 23:50:20,464 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:50:20,487 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:50:20,490 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:50:20,491 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:50:20,492 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:50:20,494 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e20303e0-9ec9-4bda-ad26-10421a09dcea/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_14_bad.i [2023-11-11 23:50:23,728 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:50:24,242 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:50:24,243 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e20303e0-9ec9-4bda-ad26-10421a09dcea/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_14_bad.i [2023-11-11 23:50:24,284 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e20303e0-9ec9-4bda-ad26-10421a09dcea/bin/ukojak-verify-0OAaufAVZV/data/8cec0edd8/0784dde58f2348f4bdd2ae65f4b28034/FLAG2e4b514fd [2023-11-11 23:50:24,300 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e20303e0-9ec9-4bda-ad26-10421a09dcea/bin/ukojak-verify-0OAaufAVZV/data/8cec0edd8/0784dde58f2348f4bdd2ae65f4b28034 [2023-11-11 23:50:24,307 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:50:24,309 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:50:24,313 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:50:24,313 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:50:24,318 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:50:24,319 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:50:24" (1/1) ... [2023-11-11 23:50:24,320 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58499e16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:24, skipping insertion in model container [2023-11-11 23:50:24,320 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:50:24" (1/1) ... [2023-11-11 23:50:24,405 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:50:24,862 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:50:25,454 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:50:25,465 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:50:25,488 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:50:25,600 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:50:25,786 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:50:25,786 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:50:25,786 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:50:25,786 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:50:25,786 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:50:25,794 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:50:25,794 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:25 WrapperNode [2023-11-11 23:50:25,795 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:50:25,796 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:50:25,796 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:50:25,796 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:50:25,804 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:25" (1/1) ... [2023-11-11 23:50:25,864 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:25" (1/1) ... [2023-11-11 23:50:25,893 INFO L138 Inliner]: procedures = 499, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 91 [2023-11-11 23:50:25,893 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:50:25,894 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:50:25,894 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:50:25,894 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:50:25,904 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:25" (1/1) ... [2023-11-11 23:50:25,904 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:25" (1/1) ... [2023-11-11 23:50:25,908 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:25" (1/1) ... [2023-11-11 23:50:25,908 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:25" (1/1) ... [2023-11-11 23:50:25,915 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:25" (1/1) ... [2023-11-11 23:50:25,918 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:25" (1/1) ... [2023-11-11 23:50:25,923 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:25" (1/1) ... [2023-11-11 23:50:25,924 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:25" (1/1) ... [2023-11-11 23:50:25,932 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:50:25,933 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:50:25,933 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:50:25,934 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:50:25,934 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:25" (1/1) ... [2023-11-11 23:50:25,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:50:25,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e20303e0-9ec9-4bda-ad26-10421a09dcea/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:50:25,971 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e20303e0-9ec9-4bda-ad26-10421a09dcea/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:50:25,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e20303e0-9ec9-4bda-ad26-10421a09dcea/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:50:26,014 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-11 23:50:26,015 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-11 23:50:26,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:50:26,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:50:26,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:50:26,016 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-11 23:50:26,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:50:26,174 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:50:26,176 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:50:26,426 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:50:26,780 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:50:26,780 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:50:26,784 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:50:26 BoogieIcfgContainer [2023-11-11 23:50:26,784 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:50:26,785 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:50:26,786 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:50:26,796 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:50:26,796 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:50:26" (1/1) ... [2023-11-11 23:50:26,806 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:50:26,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:50:26,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-11 23:50:26,884 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-11 23:50:26,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-11 23:50:26,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:50:26,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:50:27,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:50:27,268 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:50:27,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:50:27,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:50:27,565 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:50:27,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:50:27,683 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-11 23:50:27,714 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite109 could not be translated [2023-11-11 23:50:27,715 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite109 could not be translated [2023-11-11 23:50:27,720 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:50:27 ImpRootNode [2023-11-11 23:50:27,720 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:50:27,723 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:50:27,724 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:50:27,724 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:50:27,725 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:50:26" (3/4) ... [2023-11-11 23:50:27,729 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-11 23:50:27,730 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:50:27,732 INFO L158 Benchmark]: Toolchain (without parser) took 3422.06ms. Allocated memory was 159.4MB in the beginning and 209.7MB in the end (delta: 50.3MB). Free memory was 121.8MB in the beginning and 165.3MB in the end (delta: -43.5MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2023-11-11 23:50:27,732 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 159.4MB. Free memory is still 130.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:50:27,733 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1482.48ms. Allocated memory is still 159.4MB. Free memory was 121.8MB in the beginning and 123.7MB in the end (delta: -2.0MB). Peak memory consumption was 72.0MB. Max. memory is 16.1GB. [2023-11-11 23:50:27,735 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.73ms. Allocated memory was 159.4MB in the beginning and 209.7MB in the end (delta: 50.3MB). Free memory was 123.7MB in the beginning and 176.1MB in the end (delta: -52.4MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2023-11-11 23:50:27,735 INFO L158 Benchmark]: Boogie Preprocessor took 38.46ms. Allocated memory is still 209.7MB. Free memory was 176.1MB in the beginning and 174.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:50:27,736 INFO L158 Benchmark]: RCFGBuilder took 851.34ms. Allocated memory is still 209.7MB. Free memory was 174.0MB in the beginning and 132.1MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-11 23:50:27,737 INFO L158 Benchmark]: CodeCheck took 935.11ms. Allocated memory is still 209.7MB. Free memory was 132.1MB in the beginning and 165.3MB in the end (delta: -33.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:50:27,738 INFO L158 Benchmark]: Witness Printer took 7.65ms. Allocated memory is still 209.7MB. Free memory is still 165.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:50:27,748 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: 0.9s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 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 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=12, argc=12, argv={14:13}, argv={14:13}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_rand_predec_14_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE globalFive==5 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] COND TRUE globalFive==5 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] [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 0.35ms. Allocated memory is still 159.4MB. Free memory is still 130.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1482.48ms. Allocated memory is still 159.4MB. Free memory was 121.8MB in the beginning and 123.7MB in the end (delta: -2.0MB). Peak memory consumption was 72.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.73ms. Allocated memory was 159.4MB in the beginning and 209.7MB in the end (delta: 50.3MB). Free memory was 123.7MB in the beginning and 176.1MB in the end (delta: -52.4MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.46ms. Allocated memory is still 209.7MB. Free memory was 176.1MB in the beginning and 174.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 851.34ms. Allocated memory is still 209.7MB. Free memory was 174.0MB in the beginning and 132.1MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 935.11ms. Allocated memory is still 209.7MB. Free memory was 132.1MB in the beginning and 165.3MB in the end (delta: -33.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.65ms. Allocated memory is still 209.7MB. Free memory is still 165.3MB. 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~ite109 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite109 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 [2023-11-11 23:50:27,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e20303e0-9ec9-4bda-ad26-10421a09dcea/bin/ukojak-verify-0OAaufAVZV/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_e20303e0-9ec9-4bda-ad26-10421a09dcea/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e20303e0-9ec9-4bda-ad26-10421a09dcea/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e20303e0-9ec9-4bda-ad26-10421a09dcea/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e20303e0-9ec9-4bda-ad26-10421a09dcea/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_14_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e20303e0-9ec9-4bda-ad26-10421a09dcea/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e20303e0-9ec9-4bda-ad26-10421a09dcea/bin/ukojak-verify-0OAaufAVZV --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 0d2a5b81ae1e36d2509be28e0377a91f23408f92f2bcc20167ca32c16fd094b2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:50:30,651 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:50:30,791 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e20303e0-9ec9-4bda-ad26-10421a09dcea/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-11 23:50:30,840 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:50:30,842 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:50:30,843 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:50:30,843 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:50:30,844 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:50:30,845 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:50:30,850 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:50:30,850 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:50:30,851 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:50:30,851 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:50:30,853 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:50:30,854 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:50:30,854 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:50:30,854 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:50:30,855 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:50:30,855 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:50:30,856 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:50:30,856 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:50:30,857 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:50:30,858 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:50:30,858 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:50:30,859 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:50:30,859 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:50:30,859 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:50:30,860 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:50:30,861 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:50:30,861 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:50:30,863 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:50:30,863 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:50:30,863 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:50:30,864 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:50:30,864 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:50:30,864 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:50:30,865 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_e20303e0-9ec9-4bda-ad26-10421a09dcea/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e20303e0-9ec9-4bda-ad26-10421a09dcea/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d2a5b81ae1e36d2509be28e0377a91f23408f92f2bcc20167ca32c16fd094b2 [2023-11-11 23:50:31,334 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:50:31,359 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:50:31,363 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:50:31,366 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:50:31,367 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:50:31,368 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e20303e0-9ec9-4bda-ad26-10421a09dcea/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_14_bad.i [2023-11-11 23:50:34,801 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:50:35,322 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:50:35,323 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e20303e0-9ec9-4bda-ad26-10421a09dcea/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_14_bad.i [2023-11-11 23:50:35,358 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e20303e0-9ec9-4bda-ad26-10421a09dcea/bin/ukojak-verify-0OAaufAVZV/data/1dad7f762/c763f905eacd49ffb478b7d6f0a21555/FLAG137fbf1a2 [2023-11-11 23:50:35,377 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e20303e0-9ec9-4bda-ad26-10421a09dcea/bin/ukojak-verify-0OAaufAVZV/data/1dad7f762/c763f905eacd49ffb478b7d6f0a21555 [2023-11-11 23:50:35,382 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:50:35,384 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:50:35,387 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:50:35,388 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:50:35,393 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:50:35,393 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:50:35" (1/1) ... [2023-11-11 23:50:35,395 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51156e3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:35, skipping insertion in model container [2023-11-11 23:50:35,395 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:50:35" (1/1) ... [2023-11-11 23:50:35,481 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:50:36,005 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:50:36,643 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:50:36,670 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:50:36,697 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:50:36,796 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:50:36,993 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:50:36,993 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:50:36,993 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:50:36,994 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:50:36,994 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:50:37,002 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:50:37,002 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:37 WrapperNode [2023-11-11 23:50:37,002 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:50:37,004 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:50:37,004 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:50:37,004 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:50:37,011 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:37" (1/1) ... [2023-11-11 23:50:37,059 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:37" (1/1) ... [2023-11-11 23:50:37,087 INFO L138 Inliner]: procedures = 504, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2023-11-11 23:50:37,087 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:50:37,088 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:50:37,088 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:50:37,088 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:50:37,098 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:37" (1/1) ... [2023-11-11 23:50:37,098 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:37" (1/1) ... [2023-11-11 23:50:37,102 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:37" (1/1) ... [2023-11-11 23:50:37,103 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:37" (1/1) ... [2023-11-11 23:50:37,113 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:37" (1/1) ... [2023-11-11 23:50:37,115 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:37" (1/1) ... [2023-11-11 23:50:37,137 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:37" (1/1) ... [2023-11-11 23:50:37,139 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:37" (1/1) ... [2023-11-11 23:50:37,144 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:50:37,153 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:50:37,153 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:50:37,153 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:50:37,154 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:37" (1/1) ... [2023-11-11 23:50:37,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:50:37,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e20303e0-9ec9-4bda-ad26-10421a09dcea/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:50:37,194 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e20303e0-9ec9-4bda-ad26-10421a09dcea/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:50:37,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e20303e0-9ec9-4bda-ad26-10421a09dcea/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:50:37,246 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-11 23:50:37,247 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-11 23:50:37,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:50:37,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:50:37,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:50:37,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:50:37,248 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-11 23:50:37,471 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:50:37,474 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:50:37,669 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:50:37,736 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:50:37,736 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:50:37,739 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:50:37 BoogieIcfgContainer [2023-11-11 23:50:37,739 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:50:37,740 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:50:37,740 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:50:37,750 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:50:37,751 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:50:37" (1/1) ... [2023-11-11 23:50:37,760 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:50:37,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:50:37,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-11 23:50:37,825 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-11 23:50:37,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-11 23:50:37,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:50:37,832 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:50:37,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e20303e0-9ec9-4bda-ad26-10421a09dcea/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:50:37,839 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e20303e0-9ec9-4bda-ad26-10421a09dcea/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:50:37,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e20303e0-9ec9-4bda-ad26-10421a09dcea/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-11 23:50:37,908 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort RoundingMode not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:385) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableFunctionSymbol.defineOrDeclare(DeclarableFunctionSymbol.java:159) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:156) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.CfgSmtToolkit.createFreshManagedScript(CfgSmtToolkit.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:440) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-11 23:50:37,912 INFO L158 Benchmark]: Toolchain (without parser) took 2527.54ms. Allocated memory was 79.7MB in the beginning and 100.7MB in the end (delta: 21.0MB). Free memory was 52.6MB in the beginning and 47.7MB in the end (delta: 4.9MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. [2023-11-11 23:50:37,915 INFO L158 Benchmark]: CDTParser took 0.68ms. Allocated memory is still 79.7MB. Free memory was 55.6MB in the beginning and 55.6MB in the end (delta: 19.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:50:37,918 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1615.96ms. Allocated memory was 79.7MB in the beginning and 100.7MB in the end (delta: 21.0MB). Free memory was 52.4MB in the beginning and 49.9MB in the end (delta: 2.5MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2023-11-11 23:50:37,919 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.83ms. Allocated memory is still 100.7MB. Free memory was 49.9MB in the beginning and 46.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:50:37,920 INFO L158 Benchmark]: Boogie Preprocessor took 56.32ms. Allocated memory is still 100.7MB. Free memory was 46.7MB in the beginning and 73.0MB in the end (delta: -26.4MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2023-11-11 23:50:37,921 INFO L158 Benchmark]: RCFGBuilder took 586.80ms. Allocated memory is still 100.7MB. Free memory was 73.0MB in the beginning and 53.7MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-11 23:50:37,922 INFO L158 Benchmark]: CodeCheck took 170.40ms. Allocated memory is still 100.7MB. Free memory was 53.7MB in the beginning and 47.7MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-11 23:50:37,929 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort RoundingMode not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort RoundingMode not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:385) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.68ms. Allocated memory is still 79.7MB. Free memory was 55.6MB in the beginning and 55.6MB in the end (delta: 19.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1615.96ms. Allocated memory was 79.7MB in the beginning and 100.7MB in the end (delta: 21.0MB). Free memory was 52.4MB in the beginning and 49.9MB in the end (delta: 2.5MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.83ms. Allocated memory is still 100.7MB. Free memory was 49.9MB in the beginning and 46.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.32ms. Allocated memory is still 100.7MB. Free memory was 46.7MB in the beginning and 73.0MB in the end (delta: -26.4MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. * RCFGBuilder took 586.80ms. Allocated memory is still 100.7MB. Free memory was 73.0MB in the beginning and 53.7MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 170.40ms. Allocated memory is still 100.7MB. Free memory was 53.7MB in the beginning and 47.7MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:50:37,958 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e20303e0-9ec9-4bda-ad26-10421a09dcea/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-11 23:50:38,169 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e20303e0-9ec9-4bda-ad26-10421a09dcea/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort RoundingMode not declared