./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_68_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_e89877c4-84da-48f6-942b-1638d3b0914a/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e89877c4-84da-48f6-942b-1638d3b0914a/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_e89877c4-84da-48f6-942b-1638d3b0914a/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e89877c4-84da-48f6-942b-1638d3b0914a/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_68_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e89877c4-84da-48f6-942b-1638d3b0914a/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_e89877c4-84da-48f6-942b-1638d3b0914a/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 eb5f999f77ab51b49a4c5e9942d8bebe32c00f89ee135bf35b2b5c1f5425bfe9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:57:08,059 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:57:08,173 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e89877c4-84da-48f6-942b-1638d3b0914a/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-11 23:57:08,177 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:57:08,186 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:57:08,220 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:57:08,222 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:57:08,223 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:57:08,224 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:57:08,230 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:57:08,230 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:57:08,231 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:57:08,231 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:57:08,233 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:57:08,233 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:57:08,233 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:57:08,234 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:57:08,234 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:57:08,235 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:57:08,235 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:57:08,235 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:57:08,236 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:57:08,236 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:57:08,237 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:57:08,238 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:57:08,238 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:57:08,238 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:57:08,239 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:57:08,239 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:57:08,240 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:57:08,241 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:57:08,241 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_e89877c4-84da-48f6-942b-1638d3b0914a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e89877c4-84da-48f6-942b-1638d3b0914a/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb5f999f77ab51b49a4c5e9942d8bebe32c00f89ee135bf35b2b5c1f5425bfe9 [2023-11-11 23:57:08,521 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:57:08,549 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:57:08,551 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:57:08,553 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:57:08,554 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:57:08,555 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e89877c4-84da-48f6-942b-1638d3b0914a/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_68_bad.i [2023-11-11 23:57:11,655 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:57:12,122 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:57:12,123 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e89877c4-84da-48f6-942b-1638d3b0914a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_68_bad.i [2023-11-11 23:57:12,162 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e89877c4-84da-48f6-942b-1638d3b0914a/bin/ukojak-verify-0OAaufAVZV/data/4689465cc/0910d48c275f4198a51184cac340dd46/FLAG27d16141c [2023-11-11 23:57:12,183 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e89877c4-84da-48f6-942b-1638d3b0914a/bin/ukojak-verify-0OAaufAVZV/data/4689465cc/0910d48c275f4198a51184cac340dd46 [2023-11-11 23:57:12,189 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:57:12,192 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:57:12,198 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:57:12,198 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:57:12,204 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:57:12,207 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:57:12" (1/1) ... [2023-11-11 23:57:12,208 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7efc3189 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:12, skipping insertion in model container [2023-11-11 23:57:12,209 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:57:12" (1/1) ... [2023-11-11 23:57:12,277 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:57:12,720 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:57:13,316 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:57:13,329 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:57:13,351 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:57:13,526 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:57:13,671 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:57:13,672 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:57:13,672 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:57:13,672 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:57:13,673 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:57:13,682 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:57:13,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:13 WrapperNode [2023-11-11 23:57:13,682 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:57:13,684 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:57:13,684 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:57:13,685 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:57:13,699 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:13" (1/1) ... [2023-11-11 23:57:13,736 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:13" (1/1) ... [2023-11-11 23:57:13,771 INFO L138 Inliner]: procedures = 500, calls = 57, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 94 [2023-11-11 23:57:13,771 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:57:13,772 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:57:13,772 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:57:13,773 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:57:13,783 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:13" (1/1) ... [2023-11-11 23:57:13,784 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:13" (1/1) ... [2023-11-11 23:57:13,787 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:13" (1/1) ... [2023-11-11 23:57:13,788 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:13" (1/1) ... [2023-11-11 23:57:13,795 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:13" (1/1) ... [2023-11-11 23:57:13,798 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:13" (1/1) ... [2023-11-11 23:57:13,801 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:13" (1/1) ... [2023-11-11 23:57:13,802 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:13" (1/1) ... [2023-11-11 23:57:13,806 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:57:13,807 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:57:13,808 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:57:13,808 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:57:13,809 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:13" (1/1) ... [2023-11-11 23:57:13,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:57:13,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e89877c4-84da-48f6-942b-1638d3b0914a/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:57:13,843 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e89877c4-84da-48f6-942b-1638d3b0914a/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:57:13,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e89877c4-84da-48f6-942b-1638d3b0914a/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:57:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-11 23:57:13,884 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-11 23:57:13,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:57:13,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:57:13,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:57:13,885 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-11 23:57:13,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:57:14,039 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:57:14,041 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:57:14,256 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:57:14,555 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:57:14,555 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:57:14,558 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:57:14 BoogieIcfgContainer [2023-11-11 23:57:14,558 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:57:14,559 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:57:14,560 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:57:14,570 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:57:14,571 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:57:14" (1/1) ... [2023-11-11 23:57:14,584 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:57:14,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:14,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-11 23:57:14,653 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-11 23:57:14,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-11 23:57:14,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:14,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:15,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:57:15,039 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:57:15,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:57:15,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:57:15,276 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:57:15,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:57:15,343 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-11 23:57:15,385 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:57:15 ImpRootNode [2023-11-11 23:57:15,386 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:57:15,389 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:57:15,389 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:57:15,389 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:57:15,390 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:57:14" (3/4) ... [2023-11-11 23:57:15,395 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-11 23:57:15,396 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:57:15,398 INFO L158 Benchmark]: Toolchain (without parser) took 3205.45ms. Allocated memory was 132.1MB in the beginning and 172.0MB in the end (delta: 39.8MB). Free memory was 83.2MB in the beginning and 82.3MB in the end (delta: 828.8kB). Peak memory consumption was 43.6MB. Max. memory is 16.1GB. [2023-11-11 23:57:15,398 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 98.6MB. Free memory was 51.6MB in the beginning and 51.4MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:57:15,399 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1485.42ms. Allocated memory was 132.1MB in the beginning and 172.0MB in the end (delta: 39.8MB). Free memory was 83.2MB in the beginning and 105.9MB in the end (delta: -22.7MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. [2023-11-11 23:57:15,400 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.42ms. Allocated memory is still 172.0MB. Free memory was 105.9MB in the beginning and 102.9MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:57:15,401 INFO L158 Benchmark]: Boogie Preprocessor took 34.47ms. Allocated memory is still 172.0MB. Free memory was 102.9MB in the beginning and 100.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:57:15,402 INFO L158 Benchmark]: RCFGBuilder took 751.21ms. Allocated memory is still 172.0MB. Free memory was 100.8MB in the beginning and 121.3MB in the end (delta: -20.5MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. [2023-11-11 23:57:15,403 INFO L158 Benchmark]: CodeCheck took 827.26ms. Allocated memory is still 172.0MB. Free memory was 121.3MB in the beginning and 82.3MB in the end (delta: 38.9MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-11 23:57:15,404 INFO L158 Benchmark]: Witness Printer took 7.53ms. Allocated memory is still 172.0MB. Free memory was 82.3MB in the beginning and 82.3MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:57:15,415 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, 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, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1575]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1556. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] int CWE191_Integer_Underflow__int_rand_predec_68_badData; [L1550] int CWE191_Integer_Underflow__int_rand_predec_68_goodB2GData; [L1563] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_predec_68_badData=0, CWE191_Integer_Underflow__int_rand_predec_68_goodB2GData=0, 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) [L1563] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_predec_68_badData=0, CWE191_Integer_Underflow__int_rand_predec_68_goodB2GData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=12, argc=12, argv={13:14}, argv={13:14}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] CALL CWE191_Integer_Underflow__int_rand_predec_68_bad() [L1554] int data; [L1555] data = 0 [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1556] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] CWE191_Integer_Underflow__int_rand_predec_68_badData = data [L1558] CALL CWE191_Integer_Underflow__int_rand_predec_68b_badSink() [L1573] int data = CWE191_Integer_Underflow__int_rand_predec_68_badData; VAL [CWE191_Integer_Underflow__int_rand_predec_68_badData=-2147483648, CWE191_Integer_Underflow__int_rand_predec_68_goodB2GData=0, 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] [L1575] --data VAL [CWE191_Integer_Underflow__int_rand_predec_68_badData=-2147483648, CWE191_Integer_Underflow__int_rand_predec_68_goodB2GData=0, 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 0.38ms. Allocated memory is still 98.6MB. Free memory was 51.6MB in the beginning and 51.4MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1485.42ms. Allocated memory was 132.1MB in the beginning and 172.0MB in the end (delta: 39.8MB). Free memory was 83.2MB in the beginning and 105.9MB in the end (delta: -22.7MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.42ms. Allocated memory is still 172.0MB. Free memory was 105.9MB in the beginning and 102.9MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.47ms. Allocated memory is still 172.0MB. Free memory was 102.9MB in the beginning and 100.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 751.21ms. Allocated memory is still 172.0MB. Free memory was 100.8MB in the beginning and 121.3MB in the end (delta: -20.5MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. * CodeCheck took 827.26ms. Allocated memory is still 172.0MB. Free memory was 121.3MB in the beginning and 82.3MB in the end (delta: 38.9MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Witness Printer took 7.53ms. Allocated memory is still 172.0MB. Free memory was 82.3MB in the beginning and 82.3MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-11 23:57:15,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e89877c4-84da-48f6-942b-1638d3b0914a/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e89877c4-84da-48f6-942b-1638d3b0914a/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e89877c4-84da-48f6-942b-1638d3b0914a/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_e89877c4-84da-48f6-942b-1638d3b0914a/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e89877c4-84da-48f6-942b-1638d3b0914a/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_68_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e89877c4-84da-48f6-942b-1638d3b0914a/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_e89877c4-84da-48f6-942b-1638d3b0914a/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 eb5f999f77ab51b49a4c5e9942d8bebe32c00f89ee135bf35b2b5c1f5425bfe9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:57:18,176 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:57:18,323 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e89877c4-84da-48f6-942b-1638d3b0914a/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-11 23:57:18,377 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:57:18,379 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:57:18,380 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:57:18,381 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:57:18,382 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:57:18,383 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:57:18,388 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:57:18,389 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:57:18,390 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:57:18,390 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:57:18,392 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:57:18,393 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:57:18,393 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:57:18,394 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:57:18,395 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:57:18,395 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:57:18,396 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:57:18,397 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:57:18,398 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:57:18,399 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:57:18,399 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:57:18,400 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:57:18,401 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:57:18,401 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:57:18,402 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:57:18,402 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:57:18,403 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:57:18,404 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:57:18,405 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:57:18,405 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:57:18,405 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:57:18,406 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:57:18,406 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:57:18,407 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_e89877c4-84da-48f6-942b-1638d3b0914a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e89877c4-84da-48f6-942b-1638d3b0914a/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb5f999f77ab51b49a4c5e9942d8bebe32c00f89ee135bf35b2b5c1f5425bfe9 [2023-11-11 23:57:18,839 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:57:18,871 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:57:18,874 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:57:18,875 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:57:18,877 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:57:18,879 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e89877c4-84da-48f6-942b-1638d3b0914a/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_68_bad.i [2023-11-11 23:57:22,072 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:57:22,510 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:57:22,511 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e89877c4-84da-48f6-942b-1638d3b0914a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_68_bad.i [2023-11-11 23:57:22,544 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e89877c4-84da-48f6-942b-1638d3b0914a/bin/ukojak-verify-0OAaufAVZV/data/7b790b85b/fb1d2a680c2b40fdbe768504bc3a6153/FLAGaccc990f0 [2023-11-11 23:57:22,563 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e89877c4-84da-48f6-942b-1638d3b0914a/bin/ukojak-verify-0OAaufAVZV/data/7b790b85b/fb1d2a680c2b40fdbe768504bc3a6153 [2023-11-11 23:57:22,569 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:57:22,571 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:57:22,575 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:57:22,576 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:57:22,581 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:57:22,582 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:57:22" (1/1) ... [2023-11-11 23:57:22,583 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a84572c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:22, skipping insertion in model container [2023-11-11 23:57:22,583 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:57:22" (1/1) ... [2023-11-11 23:57:22,671 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:57:23,142 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:57:23,724 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:57:23,743 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:57:23,783 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:57:23,882 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:57:24,096 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:57:24,097 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:57:24,097 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:57:24,097 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:57:24,097 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:57:24,105 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:57:24,106 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:24 WrapperNode [2023-11-11 23:57:24,106 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:57:24,107 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:57:24,107 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:57:24,108 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:57:24,116 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:24" (1/1) ... [2023-11-11 23:57:24,164 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:24" (1/1) ... [2023-11-11 23:57:24,197 INFO L138 Inliner]: procedures = 505, calls = 57, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 62 [2023-11-11 23:57:24,198 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:57:24,199 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:57:24,199 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:57:24,199 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:57:24,208 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:24" (1/1) ... [2023-11-11 23:57:24,208 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:24" (1/1) ... [2023-11-11 23:57:24,213 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:24" (1/1) ... [2023-11-11 23:57:24,213 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:24" (1/1) ... [2023-11-11 23:57:24,224 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:24" (1/1) ... [2023-11-11 23:57:24,226 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:24" (1/1) ... [2023-11-11 23:57:24,230 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:24" (1/1) ... [2023-11-11 23:57:24,232 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:24" (1/1) ... [2023-11-11 23:57:24,237 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:57:24,238 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:57:24,238 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:57:24,238 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:57:24,239 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:24" (1/1) ... [2023-11-11 23:57:24,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:57:24,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e89877c4-84da-48f6-942b-1638d3b0914a/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:57:24,276 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e89877c4-84da-48f6-942b-1638d3b0914a/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:57:24,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e89877c4-84da-48f6-942b-1638d3b0914a/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:57:24,335 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-11 23:57:24,336 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-11 23:57:24,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:57:24,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:57:24,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:57:24,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:57:24,336 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-11 23:57:24,501 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:57:24,504 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:57:24,716 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:57:24,846 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:57:24,847 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:57:24,850 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:57:24 BoogieIcfgContainer [2023-11-11 23:57:24,850 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:57:24,851 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:57:24,851 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:57:24,864 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:57:24,865 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:57:24" (1/1) ... [2023-11-11 23:57:24,878 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:57:24,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:24,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-11 23:57:24,942 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-11 23:57:24,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-11 23:57:24,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:24,949 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:57:24,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e89877c4-84da-48f6-942b-1638d3b0914a/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:57:24,952 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e89877c4-84da-48f6-942b-1638d3b0914a/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:57:24,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e89877c4-84da-48f6-942b-1638d3b0914a/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-11 23:57:25,002 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 23:57:25,007 INFO L158 Benchmark]: Toolchain (without parser) took 2434.55ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 45.3MB in the beginning and 38.6MB in the end (delta: 6.7MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2023-11-11 23:57:25,007 INFO L158 Benchmark]: CDTParser took 0.62ms. Allocated memory is still 54.5MB. Free memory is still 30.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:57:25,008 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1531.56ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 45.1MB in the beginning and 46.2MB in the end (delta: -1.0MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2023-11-11 23:57:25,009 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.69ms. Allocated memory is still 88.1MB. Free memory was 46.2MB in the beginning and 42.9MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:57:25,010 INFO L158 Benchmark]: Boogie Preprocessor took 38.45ms. Allocated memory is still 88.1MB. Free memory was 42.9MB in the beginning and 41.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:57:25,011 INFO L158 Benchmark]: RCFGBuilder took 612.33ms. Allocated memory is still 88.1MB. Free memory was 40.8MB in the beginning and 44.4MB in the end (delta: -3.6MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2023-11-11 23:57:25,011 INFO L158 Benchmark]: CodeCheck took 154.30ms. Allocated memory is still 88.1MB. Free memory was 43.9MB in the beginning and 38.6MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-11 23:57:25,015 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 0.62ms. Allocated memory is still 54.5MB. Free memory is still 30.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1531.56ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 45.1MB in the beginning and 46.2MB in the end (delta: -1.0MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.69ms. Allocated memory is still 88.1MB. Free memory was 46.2MB in the beginning and 42.9MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.45ms. Allocated memory is still 88.1MB. Free memory was 42.9MB in the beginning and 41.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 612.33ms. Allocated memory is still 88.1MB. Free memory was 40.8MB in the beginning and 44.4MB in the end (delta: -3.6MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * CodeCheck took 154.30ms. Allocated memory is still 88.1MB. Free memory was 43.9MB in the beginning and 38.6MB in the end (delta: 5.3MB). 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 23:57:25,042 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e89877c4-84da-48f6-942b-1638d3b0914a/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-11 23:57:25,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e89877c4-84da-48f6-942b-1638d3b0914a/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