./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_21_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_68e63f3e-ef44-4cd3-91aa-3fe8086a82af/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e63f3e-ef44-4cd3-91aa-3fe8086a82af/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e63f3e-ef44-4cd3-91aa-3fe8086a82af/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e63f3e-ef44-4cd3-91aa-3fe8086a82af/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e63f3e-ef44-4cd3-91aa-3fe8086a82af/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e63f3e-ef44-4cd3-91aa-3fe8086a82af/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d7488ecc3435aec49e9a0e1feb7086f5e759d5ae4d3ae04308a395f8f4216913 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:07:47,343 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:07:47,476 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e63f3e-ef44-4cd3-91aa-3fe8086a82af/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 23:07:47,481 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:07:47,483 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:07:47,517 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:07:47,520 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:07:47,520 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:07:47,522 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:07:47,527 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:07:47,528 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:07:47,528 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:07:47,529 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:07:47,530 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:07:47,530 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:07:47,531 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:07:47,531 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:07:47,532 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:07:47,532 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:07:47,533 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:07:47,533 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:07:47,535 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:07:47,535 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:07:47,536 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:07:47,536 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:07:47,537 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:07:47,537 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:07:47,538 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:07:47,538 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:07:47,539 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:07:47,540 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:07:47,541 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:07:47,541 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_68e63f3e-ef44-4cd3-91aa-3fe8086a82af/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e63f3e-ef44-4cd3-91aa-3fe8086a82af/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7488ecc3435aec49e9a0e1feb7086f5e759d5ae4d3ae04308a395f8f4216913 [2023-11-24 23:07:47,841 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:07:47,877 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:07:47,880 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:07:47,882 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:07:47,882 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:07:47,884 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e63f3e-ef44-4cd3-91aa-3fe8086a82af/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_21_bad.i [2023-11-24 23:07:51,256 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:07:51,830 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:07:51,831 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e63f3e-ef44-4cd3-91aa-3fe8086a82af/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_21_bad.i [2023-11-24 23:07:51,859 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e63f3e-ef44-4cd3-91aa-3fe8086a82af/bin/ukojak-verify-afCqCEvfdi/data/60889d5b1/070831aa52ab4c42b8a05cc46c272b50/FLAGd9cf5300d [2023-11-24 23:07:52,374 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e63f3e-ef44-4cd3-91aa-3fe8086a82af/bin/ukojak-verify-afCqCEvfdi/data/60889d5b1/070831aa52ab4c42b8a05cc46c272b50 [2023-11-24 23:07:52,377 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:07:52,379 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:07:52,381 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:07:52,381 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:07:52,387 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:07:52,388 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:07:52" (1/1) ... [2023-11-24 23:07:52,390 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13bf40f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:52, skipping insertion in model container [2023-11-24 23:07:52,390 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:07:52" (1/1) ... [2023-11-24 23:07:52,487 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:07:53,727 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:07:53,742 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:07:53,945 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:07:54,214 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:07:54,214 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:07:54,214 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:07:54,215 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:07:54,224 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:07:54,225 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:54 WrapperNode [2023-11-24 23:07:54,225 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:07:54,227 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:07:54,227 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:07:54,228 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:07:54,237 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:54" (1/1) ... [2023-11-24 23:07:54,291 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:54" (1/1) ... [2023-11-24 23:07:54,322 INFO L138 Inliner]: procedures = 499, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 44 [2023-11-24 23:07:54,323 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:07:54,326 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:07:54,328 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:07:54,328 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:07:54,339 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:54" (1/1) ... [2023-11-24 23:07:54,339 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:54" (1/1) ... [2023-11-24 23:07:54,347 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:54" (1/1) ... [2023-11-24 23:07:54,347 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:54" (1/1) ... [2023-11-24 23:07:54,363 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:54" (1/1) ... [2023-11-24 23:07:54,378 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:54" (1/1) ... [2023-11-24 23:07:54,390 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:54" (1/1) ... [2023-11-24 23:07:54,391 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:54" (1/1) ... [2023-11-24 23:07:54,395 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:07:54,396 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:07:54,396 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:07:54,396 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:07:54,398 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:54" (1/1) ... [2023-11-24 23:07:54,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:07:54,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e63f3e-ef44-4cd3-91aa-3fe8086a82af/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:07:54,445 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e63f3e-ef44-4cd3-91aa-3fe8086a82af/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:07:54,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e63f3e-ef44-4cd3-91aa-3fe8086a82af/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:07:54,498 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:07:54,498 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:07:54,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:07:54,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:07:54,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:07:54,499 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:07:54,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:07:54,690 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:07:54,694 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:07:54,837 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:07:54,922 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:07:54,922 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:07:54,925 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:07:54 BoogieIcfgContainer [2023-11-24 23:07:54,925 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:07:54,926 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:07:54,926 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:07:54,943 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:07:54,944 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:07:54" (1/1) ... [2023-11-24 23:07:54,956 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:07:55,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:55,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-24 23:07:55,053 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-24 23:07:55,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:07:55,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:55,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:55,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:07:55,198 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:07:55,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:07:55,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:07:55,364 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:07:55,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:07:55,409 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:07:55,438 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet99 [2023-11-24 23:07:55,443 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:07:55 ImpRootNode [2023-11-24 23:07:55,444 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:07:55,445 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:07:55,445 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:07:55,445 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:07:55,446 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:07:54" (3/4) ... [2023-11-24 23:07:55,449 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:07:55,450 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:07:55,452 INFO L158 Benchmark]: Toolchain (without parser) took 3072.15ms. Allocated memory was 155.2MB in the beginning and 207.6MB in the end (delta: 52.4MB). Free memory was 106.4MB in the beginning and 120.9MB in the end (delta: -14.5MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. [2023-11-24 23:07:55,452 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 155.2MB. Free memory is still 99.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:07:55,454 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1845.27ms. Allocated memory was 155.2MB in the beginning and 207.6MB in the end (delta: 52.4MB). Free memory was 106.4MB in the beginning and 154.5MB in the end (delta: -48.1MB). Peak memory consumption was 62.7MB. Max. memory is 16.1GB. [2023-11-24 23:07:55,454 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.87ms. Allocated memory is still 207.6MB. Free memory was 154.5MB in the beginning and 152.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:07:55,455 INFO L158 Benchmark]: Boogie Preprocessor took 68.77ms. Allocated memory is still 207.6MB. Free memory was 152.4MB in the beginning and 150.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:07:55,456 INFO L158 Benchmark]: RCFGBuilder took 529.13ms. Allocated memory is still 207.6MB. Free memory was 150.3MB in the beginning and 136.6MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:07:55,457 INFO L158 Benchmark]: CodeCheck took 517.75ms. Allocated memory is still 207.6MB. Free memory was 136.6MB in the beginning and 121.7MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:07:55,458 INFO L158 Benchmark]: Witness Printer took 5.97ms. Allocated memory is still 207.6MB. Free memory was 121.7MB in the beginning and 120.9MB in the end (delta: 780.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:07:55,463 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1570. 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] static int badStatic = 0; [L1570] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=13, argc=13, argv={12:14}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_min_sub_21_bad() [L1561] int data; [L1562] data = 0 [L1563] data = (-0x7fffffff - 1) [L1564] badStatic = 1 [L1565] CALL badSink(data) [L1551] COND TRUE \read(badStatic) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, badStatic=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, badStatic=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 155.2MB. Free memory is still 99.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1845.27ms. Allocated memory was 155.2MB in the beginning and 207.6MB in the end (delta: 52.4MB). Free memory was 106.4MB in the beginning and 154.5MB in the end (delta: -48.1MB). Peak memory consumption was 62.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.87ms. Allocated memory is still 207.6MB. Free memory was 154.5MB in the beginning and 152.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.77ms. Allocated memory is still 207.6MB. Free memory was 152.4MB in the beginning and 150.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 529.13ms. Allocated memory is still 207.6MB. Free memory was 150.3MB in the beginning and 136.6MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 517.75ms. Allocated memory is still 207.6MB. Free memory was 136.6MB in the beginning and 121.7MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 5.97ms. Allocated memory is still 207.6MB. Free memory was 121.7MB in the beginning and 120.9MB in the end (delta: 780.8kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet99 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:07:55,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e63f3e-ef44-4cd3-91aa-3fe8086a82af/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e63f3e-ef44-4cd3-91aa-3fe8086a82af/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e63f3e-ef44-4cd3-91aa-3fe8086a82af/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e63f3e-ef44-4cd3-91aa-3fe8086a82af/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e63f3e-ef44-4cd3-91aa-3fe8086a82af/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e63f3e-ef44-4cd3-91aa-3fe8086a82af/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e63f3e-ef44-4cd3-91aa-3fe8086a82af/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d7488ecc3435aec49e9a0e1feb7086f5e759d5ae4d3ae04308a395f8f4216913 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:07:58,748 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:07:58,925 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e63f3e-ef44-4cd3-91aa-3fe8086a82af/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 23:07:58,990 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:07:58,991 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:07:58,992 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:07:58,993 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:07:58,994 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:07:58,995 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:07:59,002 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:07:59,003 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:07:59,004 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:07:59,004 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:07:59,006 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:07:59,007 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:07:59,007 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:07:59,008 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:07:59,008 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:07:59,009 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:07:59,009 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:07:59,010 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:07:59,011 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:07:59,011 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:07:59,012 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:07:59,012 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:07:59,013 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:07:59,013 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:07:59,014 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:07:59,014 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:07:59,015 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:07:59,016 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:07:59,017 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:07:59,017 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:07:59,017 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:07:59,018 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:07:59,018 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:07:59,018 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_68e63f3e-ef44-4cd3-91aa-3fe8086a82af/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e63f3e-ef44-4cd3-91aa-3fe8086a82af/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7488ecc3435aec49e9a0e1feb7086f5e759d5ae4d3ae04308a395f8f4216913 [2023-11-24 23:07:59,583 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:07:59,618 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:07:59,621 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:07:59,623 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:07:59,624 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:07:59,626 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e63f3e-ef44-4cd3-91aa-3fe8086a82af/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_21_bad.i [2023-11-24 23:08:03,282 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:08:03,927 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:08:03,928 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e63f3e-ef44-4cd3-91aa-3fe8086a82af/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_21_bad.i [2023-11-24 23:08:03,969 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e63f3e-ef44-4cd3-91aa-3fe8086a82af/bin/ukojak-verify-afCqCEvfdi/data/80e180080/072bd3d6166c4745b06f66fba151afbe/FLAG9c7f56817 [2023-11-24 23:08:03,990 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e63f3e-ef44-4cd3-91aa-3fe8086a82af/bin/ukojak-verify-afCqCEvfdi/data/80e180080/072bd3d6166c4745b06f66fba151afbe [2023-11-24 23:08:03,993 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:08:03,996 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:08:03,998 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:08:03,998 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:08:04,004 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:08:04,006 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:08:03" (1/1) ... [2023-11-24 23:08:04,007 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4448a129 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:04, skipping insertion in model container [2023-11-24 23:08:04,008 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:08:03" (1/1) ... [2023-11-24 23:08:04,126 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:08:05,470 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:08:05,506 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:08:05,714 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:08:05,915 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:08:05,915 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:08:05,915 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:08:05,916 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:08:05,928 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:08:05,929 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:05 WrapperNode [2023-11-24 23:08:05,929 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:08:05,931 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:08:05,931 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:08:05,932 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:08:05,942 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:05" (1/1) ... [2023-11-24 23:08:05,983 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:05" (1/1) ... [2023-11-24 23:08:06,020 INFO L138 Inliner]: procedures = 504, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 44 [2023-11-24 23:08:06,020 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:08:06,021 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:08:06,022 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:08:06,022 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:08:06,034 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:05" (1/1) ... [2023-11-24 23:08:06,034 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:05" (1/1) ... [2023-11-24 23:08:06,039 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:05" (1/1) ... [2023-11-24 23:08:06,040 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:05" (1/1) ... [2023-11-24 23:08:06,052 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:05" (1/1) ... [2023-11-24 23:08:06,054 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:05" (1/1) ... [2023-11-24 23:08:06,058 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:05" (1/1) ... [2023-11-24 23:08:06,060 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:05" (1/1) ... [2023-11-24 23:08:06,066 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:08:06,068 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:08:06,068 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:08:06,068 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:08:06,069 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:05" (1/1) ... [2023-11-24 23:08:06,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:08:06,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e63f3e-ef44-4cd3-91aa-3fe8086a82af/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:08:06,146 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e63f3e-ef44-4cd3-91aa-3fe8086a82af/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:08:06,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e63f3e-ef44-4cd3-91aa-3fe8086a82af/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:08:06,198 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:08:06,204 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:08:06,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:08:06,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:08:06,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:08:06,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:08:06,205 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:08:06,398 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:08:06,401 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:08:06,540 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:08:06,636 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:08:06,637 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:08:06,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:08:06 BoogieIcfgContainer [2023-11-24 23:08:06,639 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:08:06,641 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:08:06,641 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:08:06,654 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:08:06,656 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:08:06" (1/1) ... [2023-11-24 23:08:06,668 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:08:06,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:06,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-24 23:08:06,765 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-24 23:08:06,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:08:06,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:06,772 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:08:06,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e63f3e-ef44-4cd3-91aa-3fe8086a82af/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:08:06,780 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e63f3e-ef44-4cd3-91aa-3fe8086a82af/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:08:06,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e63f3e-ef44-4cd3-91aa-3fe8086a82af/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 23:08:07,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:08:07,027 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:08:07,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:08:07,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:08:07,185 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:08:07,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:08:07,239 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e63f3e-ef44-4cd3-91aa-3fe8086a82af/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:08:07,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e63f3e-ef44-4cd3-91aa-3fe8086a82af/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:08:07,249 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:08:07,286 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet97 [2023-11-24 23:08:07,293 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:08:07 ImpRootNode [2023-11-24 23:08:07,293 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:08:07,296 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:08:07,296 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:08:07,296 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:08:07,297 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:08:06" (3/4) ... [2023-11-24 23:08:07,300 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:08:07,301 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:08:07,302 INFO L158 Benchmark]: Toolchain (without parser) took 3306.62ms. Allocated memory is still 104.9MB. Free memory was 77.2MB in the beginning and 47.8MB in the end (delta: 29.5MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2023-11-24 23:08:07,303 INFO L158 Benchmark]: CDTParser took 0.77ms. Allocated memory is still 65.0MB. Free memory is still 40.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:08:07,304 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1932.45ms. Allocated memory is still 104.9MB. Free memory was 76.9MB in the beginning and 39.9MB in the end (delta: 37.1MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. [2023-11-24 23:08:07,305 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.57ms. Allocated memory is still 104.9MB. Free memory was 39.9MB in the beginning and 36.9MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:08:07,306 INFO L158 Benchmark]: Boogie Preprocessor took 45.32ms. Allocated memory is still 104.9MB. Free memory was 36.9MB in the beginning and 34.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:08:07,307 INFO L158 Benchmark]: RCFGBuilder took 572.38ms. Allocated memory is still 104.9MB. Free memory was 34.8MB in the beginning and 62.4MB in the end (delta: -27.6MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2023-11-24 23:08:07,308 INFO L158 Benchmark]: CodeCheck took 652.87ms. Allocated memory is still 104.9MB. Free memory was 62.4MB in the beginning and 48.4MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:08:07,309 INFO L158 Benchmark]: Witness Printer took 5.45ms. Allocated memory is still 104.9MB. Free memory was 48.4MB in the beginning and 47.8MB in the end (delta: 648.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:08:07,321 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: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1570. 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] static int badStatic = 0; [L1570] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=0, argc=0, argv={0:0}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_min_sub_21_bad() [L1561] int data; [L1562] data = 0 [L1563] data = (-0x7fffffff - 1) [L1564] badStatic = 1 [L1565] CALL badSink(data) [L1551] COND TRUE \read(badStatic) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, badStatic=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, badStatic=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 0.77ms. Allocated memory is still 65.0MB. Free memory is still 40.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1932.45ms. Allocated memory is still 104.9MB. Free memory was 76.9MB in the beginning and 39.9MB in the end (delta: 37.1MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.57ms. Allocated memory is still 104.9MB. Free memory was 39.9MB in the beginning and 36.9MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.32ms. Allocated memory is still 104.9MB. Free memory was 36.9MB in the beginning and 34.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 572.38ms. Allocated memory is still 104.9MB. Free memory was 34.8MB in the beginning and 62.4MB in the end (delta: -27.6MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. * CodeCheck took 652.87ms. Allocated memory is still 104.9MB. Free memory was 62.4MB in the beginning and 48.4MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 5.45ms. Allocated memory is still 104.9MB. Free memory was 48.4MB in the beginning and 47.8MB in the end (delta: 648.5kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet97 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:08:07,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e63f3e-ef44-4cd3-91aa-3fe8086a82af/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample