./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/s3_clnt_2.BV.c.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_5ec0f533-2c47-4320-9d1b-88f60b721794/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_5ec0f533-2c47-4320-9d1b-88f60b721794/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5ec0f533-2c47-4320-9d1b-88f60b721794/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5ec0f533-2c47-4320-9d1b-88f60b721794/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/s3_clnt_2.BV.c.cil-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_5ec0f533-2c47-4320-9d1b-88f60b721794/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5ec0f533-2c47-4320-9d1b-88f60b721794/bin/ukojak --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 c353039f62253e61e87171ad664792509dac4865 ................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 23:57:33,926 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 23:57:33,928 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 23:57:33,992 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 23:57:33,994 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 23:57:33,998 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 23:57:34,005 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 23:57:34,008 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 23:57:34,011 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 23:57:34,016 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 23:57:34,018 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 23:57:34,020 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 23:57:34,020 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 23:57:34,023 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 23:57:34,025 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 23:57:34,026 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 23:57:34,027 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 23:57:34,031 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 23:57:34,034 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 23:57:34,042 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 23:57:34,044 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 23:57:34,045 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 23:57:34,047 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 23:57:34,048 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 23:57:34,057 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 23:57:34,057 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 23:57:34,058 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 23:57:34,060 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 23:57:34,060 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 23:57:34,061 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 23:57:34,062 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 23:57:34,063 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 23:57:34,065 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 23:57:34,066 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 23:57:34,067 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 23:57:34,068 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 23:57:34,068 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 23:57:34,069 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 23:57:34,069 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 23:57:34,070 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 23:57:34,071 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 23:57:34,073 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5ec0f533-2c47-4320-9d1b-88f60b721794/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf [2020-11-29 23:57:34,113 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 23:57:34,113 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 23:57:34,115 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 23:57:34,115 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 23:57:34,116 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 23:57:34,116 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 23:57:34,116 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 23:57:34,117 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 23:57:34,117 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 23:57:34,117 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 23:57:34,118 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 23:57:34,119 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 23:57:34,119 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 23:57:34,119 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 23:57:34,119 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 23:57:34,119 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-29 23:57:34,120 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 23:57:34,120 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 23:57:34,120 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 23:57:34,120 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 23:57:34,121 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 23:57:34,121 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 23:57:34,121 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 23:57:34,121 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 23:57:34,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 23:57:34,122 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 23:57:34,122 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 23:57:34,123 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 23:57:34,123 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 23:57:34,124 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 23:57:34,125 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 23:57:34,125 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-vcloud-master/worker/run_dir_5ec0f533-2c47-4320-9d1b-88f60b721794/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_5ec0f533-2c47-4320-9d1b-88f60b721794/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c353039f62253e61e87171ad664792509dac4865 [2020-11-29 23:57:34,375 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 23:57:34,410 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 23:57:34,414 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 23:57:34,415 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 23:57:34,416 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 23:57:34,417 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5ec0f533-2c47-4320-9d1b-88f60b721794/bin/ukojak/../../sv-benchmarks/c/bitvector/s3_clnt_2.BV.c.cil-2.c [2020-11-29 23:57:34,505 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5ec0f533-2c47-4320-9d1b-88f60b721794/bin/ukojak/data/85e8244aa/ac562d0a7986412ca5d8378ca30d859a/FLAG6e020db97 [2020-11-29 23:57:35,048 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 23:57:35,048 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5ec0f533-2c47-4320-9d1b-88f60b721794/sv-benchmarks/c/bitvector/s3_clnt_2.BV.c.cil-2.c [2020-11-29 23:57:35,076 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5ec0f533-2c47-4320-9d1b-88f60b721794/bin/ukojak/data/85e8244aa/ac562d0a7986412ca5d8378ca30d859a/FLAG6e020db97 [2020-11-29 23:57:35,408 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5ec0f533-2c47-4320-9d1b-88f60b721794/bin/ukojak/data/85e8244aa/ac562d0a7986412ca5d8378ca30d859a [2020-11-29 23:57:35,411 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 23:57:35,413 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 23:57:35,414 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 23:57:35,415 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 23:57:35,418 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 23:57:35,419 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:57:35" (1/1) ... [2020-11-29 23:57:35,420 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68542d06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:57:35, skipping insertion in model container [2020-11-29 23:57:35,421 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:57:35" (1/1) ... [2020-11-29 23:57:35,428 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 23:57:35,472 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 23:57:35,697 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:57:35,705 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 23:57:35,758 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:57:35,771 INFO L208 MainTranslator]: Completed translation [2020-11-29 23:57:35,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:57:35 WrapperNode [2020-11-29 23:57:35,772 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 23:57:35,773 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 23:57:35,773 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 23:57:35,774 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 23:57:35,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:57:35" (1/1) ... [2020-11-29 23:57:35,820 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:57:35" (1/1) ... [2020-11-29 23:57:35,863 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 23:57:35,870 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 23:57:35,870 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 23:57:35,870 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 23:57:35,878 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:57:35" (1/1) ... [2020-11-29 23:57:35,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:57:35" (1/1) ... [2020-11-29 23:57:35,892 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:57:35" (1/1) ... [2020-11-29 23:57:35,892 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:57:35" (1/1) ... [2020-11-29 23:57:35,901 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:57:35" (1/1) ... [2020-11-29 23:57:35,911 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:57:35" (1/1) ... [2020-11-29 23:57:35,915 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:57:35" (1/1) ... [2020-11-29 23:57:35,919 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 23:57:35,920 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 23:57:35,920 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 23:57:35,921 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 23:57:35,922 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:57:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5ec0f533-2c47-4320-9d1b-88f60b721794/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 23:57:36,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 23:57:36,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 23:57:36,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 23:57:36,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 23:57:36,165 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-29 23:57:36,960 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2020-11-29 23:57:36,961 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2020-11-29 23:57:37,330 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 23:57:37,330 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-29 23:57:37,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:57:37 BoogieIcfgContainer [2020-11-29 23:57:37,333 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 23:57:37,333 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 23:57:37,334 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 23:57:37,367 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 23:57:37,367 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:57:37" (1/1) ... [2020-11-29 23:57:37,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:57:37,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:57:37,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 140 states and 206 transitions. [2020-11-29 23:57:37,433 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 206 transitions. [2020-11-29 23:57:37,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2020-11-29 23:57:37,436 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:57:37,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:57:37,589 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:57:37,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:57:37,645 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:57:37,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:57:37,697 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:57:37,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:57:37,717 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:57:37,746 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2020-11-29 23:57:37,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.11 11:57:37 ImpRootNode [2020-11-29 23:57:37,778 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-29 23:57:37,779 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 23:57:37,780 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 23:57:37,780 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 23:57:37,780 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:57:37" (3/4) ... [2020-11-29 23:57:37,782 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-29 23:57:37,854 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_5ec0f533-2c47-4320-9d1b-88f60b721794/bin/ukojak/witness.graphml [2020-11-29 23:57:37,854 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 23:57:37,867 INFO L168 Benchmark]: Toolchain (without parser) took 2442.47 ms. Allocated memory is still 109.1 MB. Free memory was 77.0 MB in the beginning and 58.7 MB in the end (delta: 18.3 MB). Peak memory consumption was 18.0 MB. Max. memory is 16.1 GB. [2020-11-29 23:57:37,868 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 77.6 MB. Free memory was 36.0 MB in the beginning and 35.9 MB in the end (delta: 38.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:57:37,869 INFO L168 Benchmark]: CACSL2BoogieTranslator took 358.05 ms. Allocated memory is still 109.1 MB. Free memory was 76.8 MB in the beginning and 82.0 MB in the end (delta: -5.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 23:57:37,869 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.72 ms. Allocated memory is still 109.1 MB. Free memory was 82.0 MB in the beginning and 79.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:57:37,870 INFO L168 Benchmark]: Boogie Preprocessor took 49.78 ms. Allocated memory is still 109.1 MB. Free memory was 79.3 MB in the beginning and 77.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:57:37,870 INFO L168 Benchmark]: RCFGBuilder took 1412.44 ms. Allocated memory is still 109.1 MB. Free memory was 76.8 MB in the beginning and 40.2 MB in the end (delta: 36.6 MB). Peak memory consumption was 49.4 MB. Max. memory is 16.1 GB. [2020-11-29 23:57:37,870 INFO L168 Benchmark]: CodeCheck took 444.26 ms. Allocated memory is still 109.1 MB. Free memory was 40.2 MB in the beginning and 61.6 MB in the end (delta: -21.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:57:37,871 INFO L168 Benchmark]: Witness Printer took 75.08 ms. Allocated memory is still 109.1 MB. Free memory was 61.6 MB in the beginning and 58.7 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:57:37,874 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, 140 locations, 26 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, 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, 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: 83]: integer overflow possible integer overflow possible We found a FailurePath: [L617] int __retres1 ; [L10] int s__info_callback = __VERIFIER_nondet_int(); [L11] int s__in_handshake = __VERIFIER_nondet_int(); [L12] int s__state ; [L13] int s__new_session ; [L14] int s__server ; [L15] int s__version = __VERIFIER_nondet_int(); [L16] int s__type ; [L17] int s__init_num ; [L18] int s__bbio = __VERIFIER_nondet_int(); [L19] int s__wbio = __VERIFIER_nondet_int(); [L20] int s__hit = __VERIFIER_nondet_int(); [L21] int s__rwstate ; [L22] int s__init_buf___0 ; [L23] int s__debug = __VERIFIER_nondet_int(); [L24] int s__shutdown ; [L25] int s__ctx__info_callback = __VERIFIER_nondet_int(); [L26] int s__ctx__stats__sess_connect_renegotiate ; [L27] int s__ctx__stats__sess_connect ; [L28] int s__ctx__stats__sess_hit = __VERIFIER_nondet_int(); [L29] int s__ctx__stats__sess_connect_good = __VERIFIER_nondet_int(); [L30] int s__s3__change_cipher_spec ; [L31] int s__s3__flags ; [L32] int s__s3__delay_buf_pop_ret ; [L33] int s__s3__tmp__cert_req = __VERIFIER_nondet_int(); [L34] int s__s3__tmp__new_compression = __VERIFIER_nondet_int(); [L35] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int(); [L36] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int(); [L37] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int(); [L38] int s__s3__tmp__next_state___0 ; [L39] int s__s3__tmp__new_compression__id = __VERIFIER_nondet_int(); [L40] int s__session__cipher ; [L41] int s__session__compress_meth ; [L42] int buf ; [L43] unsigned long tmp ; [L44] unsigned long l ; [L45] int num1 ; [L46] int cb ; [L47] int ret ; [L48] int new_state ; [L49] int state ; [L50] int skip ; [L51] int tmp___0 ; [L52] int tmp___1 = __VERIFIER_nondet_int(); [L53] int tmp___2 = __VERIFIER_nondet_int(); [L54] int tmp___3 = __VERIFIER_nondet_int(); [L55] int tmp___4 = __VERIFIER_nondet_int(); [L56] int tmp___5 = __VERIFIER_nondet_int(); [L57] int tmp___6 = __VERIFIER_nondet_int(); [L58] int tmp___7 = __VERIFIER_nondet_int(); [L59] int tmp___8 = __VERIFIER_nondet_int(); [L60] int tmp___9 = __VERIFIER_nondet_int(); [L61] int blastFlag ; [L62] int ag_X ; [L63] int ag_Y = __VERIFIER_nondet_int(); [L64] int __retres59 ; [L67] s__state = 12292 [L68] blastFlag = 0 [L69] tmp = __VERIFIER_nondet_int() [L70] cb = 0 [L71] ret = -1 [L72] skip = 0 [L73] tmp___0 = 0 [L74] COND TRUE s__info_callback != 0 [L75] cb = s__info_callback [L83] s__in_handshake + 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 77.6 MB. Free memory was 36.0 MB in the beginning and 35.9 MB in the end (delta: 38.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 358.05 ms. Allocated memory is still 109.1 MB. Free memory was 76.8 MB in the beginning and 82.0 MB in the end (delta: -5.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 95.72 ms. Allocated memory is still 109.1 MB. Free memory was 82.0 MB in the beginning and 79.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 49.78 ms. Allocated memory is still 109.1 MB. Free memory was 79.3 MB in the beginning and 77.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1412.44 ms. Allocated memory is still 109.1 MB. Free memory was 76.8 MB in the beginning and 40.2 MB in the end (delta: 36.6 MB). Peak memory consumption was 49.4 MB. Max. memory is 16.1 GB. * CodeCheck took 444.26 ms. Allocated memory is still 109.1 MB. Free memory was 40.2 MB in the beginning and 61.6 MB in the end (delta: -21.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 75.08 ms. Allocated memory is still 109.1 MB. Free memory was 61.6 MB in the beginning and 58.7 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...