./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/s3_srvr_3_alt.BV.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa82b96-4e66-4b73-9893-4d732e53c4bb/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa82b96-4e66-4b73-9893-4d732e53c4bb/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa82b96-4e66-4b73-9893-4d732e53c4bb/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa82b96-4e66-4b73-9893-4d732e53c4bb/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/s3_srvr_3_alt.BV.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa82b96-4e66-4b73-9893-4d732e53c4bb/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa82b96-4e66-4b73-9893-4d732e53c4bb/bin/ukojak-2xVlg8857e --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 32bit --witnessprinter.graph.data.programhash afbe67db3c9d0abe670256fd171d5093c87516b67023088e11d6d2c748efec7e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 23:30:38,331 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:30:38,334 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:30:38,389 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:30:38,390 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:30:38,396 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:30:38,398 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:30:38,404 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:30:38,407 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:30:38,415 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:30:38,416 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:30:38,418 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:30:38,419 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:30:38,421 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:30:38,424 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:30:38,430 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:30:38,432 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:30:38,433 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:30:38,436 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:30:38,446 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:30:38,448 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:30:38,450 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:30:38,453 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:30:38,454 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:30:38,458 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:30:38,458 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:30:38,459 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:30:38,461 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:30:38,461 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:30:38,463 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:30:38,463 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:30:38,464 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:30:38,466 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:30:38,468 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:30:38,469 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:30:38,470 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:30:38,471 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:30:38,471 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:30:38,471 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:30:38,472 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:30:38,473 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:30:38,474 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa82b96-4e66-4b73-9893-4d732e53c4bb/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-13 23:30:38,522 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:30:38,523 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:30:38,525 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 23:30:38,525 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 23:30:38,526 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:30:38,526 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:30:38,526 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:30:38,527 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 23:30:38,534 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 23:30:38,535 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 23:30:38,536 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 23:30:38,536 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:30:38,536 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 23:30:38,537 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:30:38,537 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 23:30:38,537 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-13 23:30:38,537 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 23:30:38,537 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 23:30:38,538 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:30:38,538 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 23:30:38,538 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 23:30:38,538 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 23:30:38,538 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:30:38,539 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:30:38,539 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:30:38,539 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:30:38,539 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 23:30:38,540 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 23:30:38,540 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 23:30:38,541 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 23:30:38,542 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_cfa82b96-4e66-4b73-9893-4d732e53c4bb/bin/ukojak-2xVlg8857e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa82b96-4e66-4b73-9893-4d732e53c4bb/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> afbe67db3c9d0abe670256fd171d5093c87516b67023088e11d6d2c748efec7e [2021-11-13 23:30:38,822 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:30:38,851 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:30:38,854 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:30:38,855 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:30:38,858 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:30:38,859 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa82b96-4e66-4b73-9893-4d732e53c4bb/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/bitvector/s3_srvr_3_alt.BV.c.cil.c [2021-11-13 23:30:38,944 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa82b96-4e66-4b73-9893-4d732e53c4bb/bin/ukojak-2xVlg8857e/data/7a9062479/a26f0fda37bd4164bd9c4ac79f9e8bc9/FLAG962a8a1e7 [2021-11-13 23:30:39,481 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:30:39,482 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa82b96-4e66-4b73-9893-4d732e53c4bb/sv-benchmarks/c/bitvector/s3_srvr_3_alt.BV.c.cil.c [2021-11-13 23:30:39,499 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa82b96-4e66-4b73-9893-4d732e53c4bb/bin/ukojak-2xVlg8857e/data/7a9062479/a26f0fda37bd4164bd9c4ac79f9e8bc9/FLAG962a8a1e7 [2021-11-13 23:30:39,802 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa82b96-4e66-4b73-9893-4d732e53c4bb/bin/ukojak-2xVlg8857e/data/7a9062479/a26f0fda37bd4164bd9c4ac79f9e8bc9 [2021-11-13 23:30:39,808 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:30:39,812 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 23:30:39,814 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:30:39,814 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:30:39,817 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:30:39,818 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:30:39" (1/1) ... [2021-11-13 23:30:39,819 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d5dd38d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:30:39, skipping insertion in model container [2021-11-13 23:30:39,820 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:30:39" (1/1) ... [2021-11-13 23:30:39,827 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:30:39,879 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:30:40,109 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa82b96-4e66-4b73-9893-4d732e53c4bb/sv-benchmarks/c/bitvector/s3_srvr_3_alt.BV.c.cil.c[44532,44545] [2021-11-13 23:30:40,115 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:30:40,123 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 23:30:40,206 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa82b96-4e66-4b73-9893-4d732e53c4bb/sv-benchmarks/c/bitvector/s3_srvr_3_alt.BV.c.cil.c[44532,44545] [2021-11-13 23:30:40,228 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:30:40,249 INFO L208 MainTranslator]: Completed translation [2021-11-13 23:30:40,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:30:40 WrapperNode [2021-11-13 23:30:40,250 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 23:30:40,251 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 23:30:40,251 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 23:30:40,251 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 23:30:40,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:30:40" (1/1) ... [2021-11-13 23:30:40,279 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:30:40" (1/1) ... [2021-11-13 23:30:40,333 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 23:30:40,333 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 23:30:40,333 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 23:30:40,334 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 23:30:40,350 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:30:40" (1/1) ... [2021-11-13 23:30:40,350 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:30:40" (1/1) ... [2021-11-13 23:30:40,365 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:30:40" (1/1) ... [2021-11-13 23:30:40,365 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:30:40" (1/1) ... [2021-11-13 23:30:40,375 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:30:40" (1/1) ... [2021-11-13 23:30:40,383 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:30:40" (1/1) ... [2021-11-13 23:30:40,386 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:30:40" (1/1) ... [2021-11-13 23:30:40,404 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 23:30:40,405 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 23:30:40,405 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 23:30:40,405 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 23:30:40,407 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:30:40" (1/1) ... [2021-11-13 23:30:40,417 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:30:40,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa82b96-4e66-4b73-9893-4d732e53c4bb/bin/ukojak-2xVlg8857e/z3 [2021-11-13 23:30:40,442 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa82b96-4e66-4b73-9893-4d732e53c4bb/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 23:30:40,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa82b96-4e66-4b73-9893-4d732e53c4bb/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 23:30:40,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 23:30:40,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 23:30:40,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 23:30:40,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 23:30:40,599 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-13 23:30:41,266 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-11-13 23:30:41,266 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-11-13 23:30:41,375 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 23:30:41,375 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-13 23:30:41,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:30:41 BoogieIcfgContainer [2021-11-13 23:30:41,379 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 23:30:41,381 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 23:30:41,381 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 23:30:41,393 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 23:30:41,394 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:30:41" (1/1) ... [2021-11-13 23:30:41,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 23:30:41,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:30:41,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 133 states and 214 transitions. [2021-11-13 23:30:41,478 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 214 transitions. [2021-11-13 23:30:41,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-11-13 23:30:41,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:30:41,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:30:41,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 23:30:41,628 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 23:30:41,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 23:30:41,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 23:30:41,739 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 23:30:41,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 23:30:41,792 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2021-11-13 23:30:41,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:30:41 ImpRootNode [2021-11-13 23:30:41,850 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-13 23:30:41,853 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 23:30:41,853 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 23:30:41,853 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 23:30:41,854 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:30:41" (3/4) ... [2021-11-13 23:30:41,856 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-13 23:30:41,960 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa82b96-4e66-4b73-9893-4d732e53c4bb/bin/ukojak-2xVlg8857e/witness.graphml [2021-11-13 23:30:41,966 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 23:30:41,969 INFO L158 Benchmark]: Toolchain (without parser) took 2154.97ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 87.7MB in the beginning and 82.9MB in the end (delta: 4.8MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2021-11-13 23:30:41,970 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 117.4MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:30:41,970 INFO L158 Benchmark]: CACSL2BoogieTranslator took 436.84ms. Allocated memory is still 117.4MB. Free memory was 87.4MB in the beginning and 87.6MB in the end (delta: -204.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 23:30:41,971 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.61ms. Allocated memory is still 117.4MB. Free memory was 87.6MB in the beginning and 84.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 23:30:41,971 INFO L158 Benchmark]: Boogie Preprocessor took 71.06ms. Allocated memory is still 117.4MB. Free memory was 84.6MB in the beginning and 82.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 23:30:41,972 INFO L158 Benchmark]: RCFGBuilder took 973.70ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 82.5MB in the beginning and 104.5MB in the end (delta: -22.1MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. [2021-11-13 23:30:41,972 INFO L158 Benchmark]: CodeCheck took 469.34ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 86.4MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-13 23:30:41,972 INFO L158 Benchmark]: Witness Printer took 113.15ms. Allocated memory is still 142.6MB. Free memory was 86.4MB in the beginning and 82.9MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-13 23:30:41,977 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 1 procedures, 133 locations, 14 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, PartialOrderReductionTime: 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, 2 NumberOfCodeBlocks, 2 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 91]: integer overflow possible integer overflow possible We found a FailurePath: [L686] int s ; [L687] int tmp ; [L691] s = 8464 [L692] CALL ssl3_accept(s) [L19] int s__info_callback = __VERIFIER_nondet_int(); [L20] int s__in_handshake = __VERIFIER_nondet_int(); [L21] int s__state ; [L22] int s__new_session ; [L23] int s__server ; [L24] int s__version = __VERIFIER_nondet_int(); [L25] int s__type ; [L26] int s__init_num ; [L27] int s__hit = __VERIFIER_nondet_int(); [L28] int s__rwstate ; [L29] int s__init_buf___0 ; [L30] int s__debug = __VERIFIER_nondet_int(); [L31] int s__shutdown ; [L32] int s__cert = __VERIFIER_nondet_int(); [L33] int s__options = __VERIFIER_nondet_int(); [L34] int s__verify_mode = __VERIFIER_nondet_int(); [L35] int s__session__peer = __VERIFIER_nondet_int(); [L36] int s__cert__pkeys__AT0__privatekey = __VERIFIER_nondet_int(); [L37] int s__ctx__info_callback = __VERIFIER_nondet_int(); [L38] int s__ctx__stats__sess_accept_renegotiate ; [L39] int s__ctx__stats__sess_accept ; [L40] int s__ctx__stats__sess_accept_good = __VERIFIER_nondet_int(); [L41] int s__s3__tmp__cert_request ; [L42] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int(); [L43] int s__s3__tmp__use_rsa_tmp ; [L44] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int(); [L45] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int(); [L46] int s__s3__tmp__next_state___0 ; [L47] int s__s3__tmp__new_cipher__algo_strength = __VERIFIER_nondet_int(); [L48] int s__session__cipher ; [L49] int buf ; [L50] unsigned long l ; [L51] unsigned long Time ; [L52] unsigned long tmp ; [L53] int cb ; [L54] long num1 ; [L55] int ret ; [L56] int new_state ; [L57] int state ; [L58] int skip ; [L59] int got_new_session ; [L60] int tmp___1 = __VERIFIER_nondet_int(); [L61] int tmp___2 = __VERIFIER_nondet_int(); [L62] int tmp___3 = __VERIFIER_nondet_int(); [L63] int tmp___4 = __VERIFIER_nondet_int(); [L64] int tmp___5 = __VERIFIER_nondet_int(); [L65] int tmp___6 = __VERIFIER_nondet_int(); [L66] int tmp___7 ; [L67] long tmp___8 = __VERIFIER_nondet_long(); [L68] int tmp___9 = __VERIFIER_nondet_int(); [L69] int tmp___10 = __VERIFIER_nondet_int(); [L70] int blastFlag ; [L71] int __retres67 ; [L74] s__state = initial_state [L75] blastFlag = 0 [L76] tmp = __VERIFIER_nondet_int() [L77] Time = tmp [L78] cb = 0 [L79] ret = -1 [L80] skip = 0 [L81] got_new_session = 0 [L82] COND TRUE s__info_callback != 0 [L83] cb = s__info_callback VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, ret=-1, s__cert=0, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept_good=0, s__debug=0, s__hit=0, s__in_handshake=2147483647, s__info_callback=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L91] s__in_handshake + 1 VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, ret=-1, s__cert=0, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept_good=0, s__debug=0, s__hit=0, s__in_handshake=2147483647, s__info_callback=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 117.4MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 436.84ms. Allocated memory is still 117.4MB. Free memory was 87.4MB in the beginning and 87.6MB in the end (delta: -204.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.61ms. Allocated memory is still 117.4MB. Free memory was 87.6MB in the beginning and 84.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.06ms. Allocated memory is still 117.4MB. Free memory was 84.6MB in the beginning and 82.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 973.70ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 82.5MB in the beginning and 104.5MB in the end (delta: -22.1MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. * CodeCheck took 469.34ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 86.4MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 113.15ms. Allocated memory is still 142.6MB. Free memory was 86.4MB in the beginning and 82.9MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2021-11-13 23:30:42,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa82b96-4e66-4b73-9893-4d732e53c4bb/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)