./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_68_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_198984b4-406e-4f12-8789-f06b460c833f/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198984b4-406e-4f12-8789-f06b460c833f/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198984b4-406e-4f12-8789-f06b460c833f/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198984b4-406e-4f12-8789-f06b460c833f/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_68_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198984b4-406e-4f12-8789-f06b460c833f/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198984b4-406e-4f12-8789-f06b460c833f/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --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 85a420aa7d747afde918670595ba0373c74bc5aae5342786809505e74ea66f1b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 18:45:51,377 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 18:45:51,378 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 18:45:51,396 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 18:45:51,396 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 18:45:51,397 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 18:45:51,398 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 18:45:51,400 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 18:45:51,401 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 18:45:51,402 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 18:45:51,403 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 18:45:51,404 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 18:45:51,404 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 18:45:51,405 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 18:45:51,406 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 18:45:51,407 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 18:45:51,408 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 18:45:51,409 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 18:45:51,410 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 18:45:51,412 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 18:45:51,414 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 18:45:51,415 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 18:45:51,416 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 18:45:51,417 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 18:45:51,420 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 18:45:51,420 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 18:45:51,420 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 18:45:51,421 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 18:45:51,422 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 18:45:51,422 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 18:45:51,423 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 18:45:51,423 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 18:45:51,424 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 18:45:51,425 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 18:45:51,425 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 18:45:51,426 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 18:45:51,426 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 18:45:51,426 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 18:45:51,427 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 18:45:51,427 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 18:45:51,428 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 18:45:51,429 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198984b4-406e-4f12-8789-f06b460c833f/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-14 18:45:51,450 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 18:45:51,450 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 18:45:51,451 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 18:45:51,451 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 18:45:51,451 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 18:45:51,451 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 18:45:51,452 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 18:45:51,452 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 18:45:51,452 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 18:45:51,452 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 18:45:51,452 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 18:45:51,453 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 18:45:51,453 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 18:45:51,453 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 18:45:51,453 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 18:45:51,453 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 18:45:51,453 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 18:45:51,453 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 18:45:51,454 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 18:45:51,454 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 18:45:51,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:45:51,454 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 18:45:51,454 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 18:45:51,454 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 18:45:51,455 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 18:45:51,455 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 18:45:51,455 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 18:45:51,455 INFO L138 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_198984b4-406e-4f12-8789-f06b460c833f/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198984b4-406e-4f12-8789-f06b460c833f/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85a420aa7d747afde918670595ba0373c74bc5aae5342786809505e74ea66f1b [2022-12-14 18:45:51,641 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 18:45:51,660 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 18:45:51,662 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 18:45:51,663 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 18:45:51,664 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 18:45:51,665 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198984b4-406e-4f12-8789-f06b460c833f/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_68_good.i [2022-12-14 18:45:54,259 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 18:45:54,523 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 18:45:54,523 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198984b4-406e-4f12-8789-f06b460c833f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_68_good.i [2022-12-14 18:45:54,541 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198984b4-406e-4f12-8789-f06b460c833f/bin/ukojak-rkRKPMF4O4/data/8bf7dfa9e/e8efe2b4bed3416d82ef60f55fc66237/FLAGa38d6d3c4 [2022-12-14 18:45:54,551 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198984b4-406e-4f12-8789-f06b460c833f/bin/ukojak-rkRKPMF4O4/data/8bf7dfa9e/e8efe2b4bed3416d82ef60f55fc66237 [2022-12-14 18:45:54,553 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 18:45:54,554 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 18:45:54,554 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 18:45:54,555 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 18:45:54,557 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 18:45:54,557 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:45:54" (1/1) ... [2022-12-14 18:45:54,558 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@746e3413 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:45:54, skipping insertion in model container [2022-12-14 18:45:54,558 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:45:54" (1/1) ... [2022-12-14 18:45:54,563 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 18:45:54,598 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 18:45:54,821 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 18:45:55,138 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 18:45:55,143 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 18:45:55,145 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 18:45:55,147 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 18:45:55,148 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 18:45:55,175 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 18:45:55,179 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:45:55,187 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 18:45:55,203 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 18:45:55,248 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 18:45:55,250 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 18:45:55,251 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 18:45:55,253 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 18:45:55,254 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 18:45:55,260 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 18:45:55,263 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:45:55,399 INFO L208 MainTranslator]: Completed translation [2022-12-14 18:45:55,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:45:55 WrapperNode [2022-12-14 18:45:55,399 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 18:45:55,400 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 18:45:55,400 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 18:45:55,400 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 18:45:55,407 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:45:55" (1/1) ... [2022-12-14 18:45:55,427 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:45:55" (1/1) ... [2022-12-14 18:45:55,449 INFO L138 Inliner]: procedures = 503, calls = 61, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 77 [2022-12-14 18:45:55,449 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 18:45:55,449 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 18:45:55,450 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 18:45:55,450 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 18:45:55,457 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:45:55" (1/1) ... [2022-12-14 18:45:55,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:45:55" (1/1) ... [2022-12-14 18:45:55,459 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:45:55" (1/1) ... [2022-12-14 18:45:55,459 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:45:55" (1/1) ... [2022-12-14 18:45:55,463 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:45:55" (1/1) ... [2022-12-14 18:45:55,464 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:45:55" (1/1) ... [2022-12-14 18:45:55,466 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:45:55" (1/1) ... [2022-12-14 18:45:55,466 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:45:55" (1/1) ... [2022-12-14 18:45:55,468 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 18:45:55,469 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 18:45:55,469 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 18:45:55,469 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 18:45:55,469 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:45:55" (1/1) ... [2022-12-14 18:45:55,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:45:55,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198984b4-406e-4f12-8789-f06b460c833f/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 18:45:55,495 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198984b4-406e-4f12-8789-f06b460c833f/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 18:45:55,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198984b4-406e-4f12-8789-f06b460c833f/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 18:45:55,529 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-14 18:45:55,530 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-14 18:45:55,530 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 18:45:55,530 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 18:45:55,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 18:45:55,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 18:45:55,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 18:45:55,530 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 18:45:55,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 18:45:55,623 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 18:45:55,626 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 18:45:55,765 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 18:45:55,827 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 18:45:55,827 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 18:45:55,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:45:55 BoogieIcfgContainer [2022-12-14 18:45:55,830 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 18:45:55,830 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 18:45:55,831 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 18:45:55,841 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 18:45:55,841 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:45:55" (1/1) ... [2022-12-14 18:45:55,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 18:45:55,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:45:55,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 24 states and 27 transitions. [2022-12-14 18:45:55,901 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2022-12-14 18:45:55,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 18:45:55,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:45:55,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:45:56,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:45:56,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:45:56,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:45:56,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 23 states and 26 transitions. [2022-12-14 18:45:56,144 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2022-12-14 18:45:56,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 18:45:56,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:45:56,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:45:56,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:45:56,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:45:56,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:45:56,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 22 states and 25 transitions. [2022-12-14 18:45:56,253 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2022-12-14 18:45:56,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 18:45:56,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:45:56,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:45:56,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:45:56,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:45:56,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:45:56,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2022-12-14 18:45:56,351 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2022-12-14 18:45:56,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 18:45:56,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:45:56,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:45:56,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:45:56,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:45:56,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:45:56,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2022-12-14 18:45:56,519 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2022-12-14 18:45:56,519 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 18:45:56,519 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2022-12-14 18:45:56,527 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-12-14 18:45:56,546 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 18:45:56,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 06:45:56 ImpRootNode [2022-12-14 18:45:56,551 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 18:45:56,552 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 18:45:56,552 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 18:45:56,552 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 18:45:56,553 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:45:55" (3/4) ... [2022-12-14 18:45:56,556 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 18:45:56,561 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-14 18:45:56,561 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-14 18:45:56,566 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2022-12-14 18:45:56,567 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-14 18:45:56,567 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 18:45:56,567 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 18:45:56,617 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198984b4-406e-4f12-8789-f06b460c833f/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 18:45:56,617 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 18:45:56,618 INFO L158 Benchmark]: Toolchain (without parser) took 2064.26ms. Allocated memory was 178.3MB in the beginning and 262.1MB in the end (delta: 83.9MB). Free memory was 144.2MB in the beginning and 199.2MB in the end (delta: -55.0MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. [2022-12-14 18:45:56,619 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 102.8MB. Free memory is still 58.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:45:56,619 INFO L158 Benchmark]: CACSL2BoogieTranslator took 844.97ms. Allocated memory is still 178.3MB. Free memory was 144.2MB in the beginning and 132.7MB in the end (delta: 11.5MB). Peak memory consumption was 58.8MB. Max. memory is 16.1GB. [2022-12-14 18:45:56,619 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.10ms. Allocated memory is still 178.3MB. Free memory was 132.7MB in the beginning and 128.8MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 18:45:56,620 INFO L158 Benchmark]: Boogie Preprocessor took 18.57ms. Allocated memory is still 178.3MB. Free memory was 128.8MB in the beginning and 127.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:45:56,620 INFO L158 Benchmark]: RCFGBuilder took 361.15ms. Allocated memory is still 178.3MB. Free memory was 127.6MB in the beginning and 107.8MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 18:45:56,621 INFO L158 Benchmark]: CodeCheck took 720.64ms. Allocated memory was 178.3MB in the beginning and 262.1MB in the end (delta: 83.9MB). Free memory was 107.8MB in the beginning and 202.4MB in the end (delta: -94.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:45:56,621 INFO L158 Benchmark]: Witness Printer took 65.80ms. Allocated memory is still 262.1MB. Free memory was 202.4MB in the beginning and 199.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 18:45:56,623 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 24 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 97 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13 mSDsluCounter, 40 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 74 IncrementalHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 40 mSDtfsCounter, 74 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 270 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 59 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 - PositiveResult [Line: 1589]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1589]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1599]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1599]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 1579]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 102.8MB. Free memory is still 58.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 844.97ms. Allocated memory is still 178.3MB. Free memory was 144.2MB in the beginning and 132.7MB in the end (delta: 11.5MB). Peak memory consumption was 58.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.10ms. Allocated memory is still 178.3MB. Free memory was 132.7MB in the beginning and 128.8MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.57ms. Allocated memory is still 178.3MB. Free memory was 128.8MB in the beginning and 127.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 361.15ms. Allocated memory is still 178.3MB. Free memory was 127.6MB in the beginning and 107.8MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 720.64ms. Allocated memory was 178.3MB in the beginning and 262.1MB in the end (delta: 83.9MB). Free memory was 107.8MB in the beginning and 202.4MB in the end (delta: -94.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 65.80ms. Allocated memory is still 262.1MB. Free memory was 202.4MB in the beginning and 199.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 18:45:56,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198984b4-406e-4f12-8789-f06b460c833f/bin/ukojak-rkRKPMF4O4/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: TRUE