./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 8d31f386 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/bitvector/s3_clnt_2.BV.c.cil-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --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 0.2.1-wip.dd.multireach-323-8d31f38 [2021-07-06 15:42:58,949 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-06 15:42:58,950 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-06 15:42:58,973 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-06 15:42:58,973 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-06 15:42:58,974 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-06 15:42:58,977 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-06 15:42:58,979 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-06 15:42:58,980 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-06 15:42:58,981 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-06 15:42:58,982 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-06 15:42:58,983 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-06 15:42:58,984 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-06 15:42:58,986 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-06 15:42:58,987 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-06 15:42:58,988 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-06 15:42:58,990 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-06 15:42:58,994 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-06 15:42:58,995 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-06 15:42:58,996 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-06 15:42:58,999 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-06 15:42:59,000 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-06 15:42:59,002 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-06 15:42:59,003 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-06 15:42:59,009 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-06 15:42:59,010 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-06 15:42:59,010 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-06 15:42:59,011 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-06 15:42:59,012 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-06 15:42:59,012 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-06 15:42:59,013 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-06 15:42:59,013 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-06 15:42:59,014 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-06 15:42:59,015 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-06 15:42:59,016 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-06 15:42:59,017 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-06 15:42:59,017 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-06 15:42:59,017 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-06 15:42:59,018 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-06 15:42:59,018 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-06 15:42:59,019 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-06 15:42:59,020 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-07-06 15:42:59,046 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-06 15:42:59,047 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-06 15:42:59,048 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-06 15:42:59,048 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-06 15:42:59,049 INFO L138 SettingsManager]: * Use SBE=true [2021-07-06 15:42:59,049 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-06 15:42:59,049 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-06 15:42:59,049 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-07-06 15:42:59,050 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-06 15:42:59,050 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-06 15:42:59,050 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-06 15:42:59,050 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-06 15:42:59,051 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-06 15:42:59,051 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-06 15:42:59,051 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-07-06 15:42:59,051 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-06 15:42:59,051 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-06 15:42:59,051 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-06 15:42:59,052 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-06 15:42:59,052 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-06 15:42:59,052 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-06 15:42:59,052 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-06 15:42:59,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-06 15:42:59,052 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-06 15:42:59,053 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-06 15:42:59,053 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-06 15:42:59,053 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-06 15:42:59,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-06 15:42:59,053 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-06 15:42:59,053 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-06 15:42:59,053 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c353039f62253e61e87171ad664792509dac4865 [2021-07-06 15:42:59,286 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-06 15:42:59,306 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-06 15:42:59,309 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-06 15:42:59,310 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-06 15:42:59,310 INFO L275 PluginConnector]: CDTParser initialized [2021-07-06 15:42:59,311 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/s3_clnt_2.BV.c.cil-2.c [2021-07-06 15:42:59,357 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99bafd211/5f8cb27303b34314bb71772395510792/FLAG0641d6b13 [2021-07-06 15:42:59,728 INFO L306 CDTParser]: Found 1 translation units. [2021-07-06 15:42:59,741 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/s3_clnt_2.BV.c.cil-2.c [2021-07-06 15:42:59,749 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99bafd211/5f8cb27303b34314bb71772395510792/FLAG0641d6b13 [2021-07-06 15:42:59,762 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99bafd211/5f8cb27303b34314bb71772395510792 [2021-07-06 15:42:59,764 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-06 15:42:59,767 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-06 15:42:59,768 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-06 15:42:59,768 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-06 15:42:59,770 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-06 15:42:59,771 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 03:42:59" (1/1) ... [2021-07-06 15:42:59,771 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f4b6c05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 03:42:59, skipping insertion in model container [2021-07-06 15:42:59,771 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 03:42:59" (1/1) ... [2021-07-06 15:42:59,776 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-06 15:42:59,807 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-06 15:42:59,931 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/s3_clnt_2.BV.c.cil-2.c[37019,37032] [2021-07-06 15:42:59,935 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 15:42:59,950 INFO L203 MainTranslator]: Completed pre-run [2021-07-06 15:43:00,009 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/s3_clnt_2.BV.c.cil-2.c[37019,37032] [2021-07-06 15:43:00,011 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 15:43:00,025 INFO L208 MainTranslator]: Completed translation [2021-07-06 15:43:00,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 03:43:00 WrapperNode [2021-07-06 15:43:00,025 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-06 15:43:00,026 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-06 15:43:00,026 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-06 15:43:00,026 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-06 15:43:00,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 03:43:00" (1/1) ... [2021-07-06 15:43:00,036 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 03:43:00" (1/1) ... [2021-07-06 15:43:00,059 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-06 15:43:00,060 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-06 15:43:00,060 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-06 15:43:00,060 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-06 15:43:00,065 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 03:43:00" (1/1) ... [2021-07-06 15:43:00,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 03:43:00" (1/1) ... [2021-07-06 15:43:00,068 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 03:43:00" (1/1) ... [2021-07-06 15:43:00,068 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 03:43:00" (1/1) ... [2021-07-06 15:43:00,073 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 03:43:00" (1/1) ... [2021-07-06 15:43:00,077 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 03:43:00" (1/1) ... [2021-07-06 15:43:00,079 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 03:43:00" (1/1) ... [2021-07-06 15:43:00,081 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-06 15:43:00,082 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-06 15:43:00,082 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-06 15:43:00,082 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-06 15:43:00,083 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 03:43:00" (1/1) ... [2021-07-06 15:43:00,087 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-06 15:43:00,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 15:43:00,118 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-07-06 15:43:00,123 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-07-06 15:43:00,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-06 15:43:00,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-06 15:43:00,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-06 15:43:00,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-06 15:43:00,238 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-07-06 15:43:00,641 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2021-07-06 15:43:00,642 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2021-07-06 15:43:00,653 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-06 15:43:00,653 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-07-06 15:43:00,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 03:43:00 BoogieIcfgContainer [2021-07-06 15:43:00,655 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-06 15:43:00,658 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-06 15:43:00,658 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-06 15:43:00,660 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-06 15:43:00,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.07 03:42:59" (1/3) ... [2021-07-06 15:43:00,661 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5186e4e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.07 03:43:00, skipping insertion in model container [2021-07-06 15:43:00,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 03:43:00" (2/3) ... [2021-07-06 15:43:00,661 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5186e4e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.07 03:43:00, skipping insertion in model container [2021-07-06 15:43:00,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 03:43:00" (3/3) ... [2021-07-06 15:43:00,663 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt_2.BV.c.cil-2.c [2021-07-06 15:43:00,667 INFO L198 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-06 15:43:00,669 INFO L158 ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations. [2021-07-06 15:43:00,711 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW ======== [2021-07-06 15:43:00,718 INFO L329 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-06 15:43:00,718 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-06 15:43:00,739 INFO L276 IsEmpty]: Start isEmpty. Operand has 174 states, 147 states have (on average 1.782312925170068) internal successors, (262), 173 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 15:43:00,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-07-06 15:43:00,742 INFO L517 BasicCegarLoop]: Found error trace [2021-07-06 15:43:00,742 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-07-06 15:43:00,742 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2021-07-06 15:43:00,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 15:43:00,748 INFO L82 PathProgramCache]: Analyzing trace with hash 925612, now seen corresponding path program 1 times [2021-07-06 15:43:00,754 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 15:43:00,755 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338449837] [2021-07-06 15:43:00,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 15:43:00,756 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 15:43:00,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 15:43:00,861 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 15:43:00,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 15:43:00,895 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 15:43:00,910 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 15:43:00,912 INFO L639 BasicCegarLoop]: Counterexample is feasible [2021-07-06 15:43:00,915 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-06 15:43:00,915 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-06 15:43:00,918 INFO L303 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW was UNSAFE (1/26) [2021-07-06 15:43:00,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.07 03:43:00 BoogieIcfgContainer [2021-07-06 15:43:00,941 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-06 15:43:00,943 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-07-06 15:43:00,943 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-07-06 15:43:00,943 INFO L275 PluginConnector]: Witness Printer initialized [2021-07-06 15:43:00,944 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 03:43:00" (3/4) ... [2021-07-06 15:43:00,945 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-07-06 15:43:00,991 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-07-06 15:43:00,991 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-07-06 15:43:00,992 INFO L168 Benchmark]: Toolchain (without parser) took 1225.47 ms. Allocated memory was 58.7 MB in the beginning and 90.2 MB in the end (delta: 31.5 MB). Free memory was 37.4 MB in the beginning and 69.1 MB in the end (delta: -31.7 MB). Peak memory consumption was 19.6 MB. Max. memory is 16.1 GB. [2021-07-06 15:43:00,993 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 58.7 MB. Free memory is still 40.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 15:43:00,993 INFO L168 Benchmark]: CACSL2BoogieTranslator took 257.53 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 37.2 MB in the beginning and 52.2 MB in the end (delta: -15.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-07-06 15:43:00,993 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.57 ms. Allocated memory is still 71.3 MB. Free memory was 52.0 MB in the beginning and 49.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-06 15:43:00,994 INFO L168 Benchmark]: Boogie Preprocessor took 21.51 ms. Allocated memory is still 71.3 MB. Free memory was 49.3 MB in the beginning and 47.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-06 15:43:00,994 INFO L168 Benchmark]: RCFGBuilder took 573.41 ms. Allocated memory is still 71.3 MB. Free memory was 47.2 MB in the beginning and 50.6 MB in the end (delta: -3.3 MB). Peak memory consumption was 19.7 MB. Max. memory is 16.1 GB. [2021-07-06 15:43:00,994 INFO L168 Benchmark]: TraceAbstraction took 283.26 ms. Allocated memory is still 71.3 MB. Free memory was 50.2 MB in the beginning and 32.7 MB in the end (delta: 17.5 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-07-06 15:43:00,995 INFO L168 Benchmark]: Witness Printer took 48.14 ms. Allocated memory was 71.3 MB in the beginning and 90.2 MB in the end (delta: 18.9 MB). Free memory was 32.7 MB in the beginning and 69.1 MB in the end (delta: -36.4 MB). Peak memory consumption was 2.5 MB. Max. memory is 16.1 GB. [2021-07-06 15:43:00,996 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 58.7 MB. Free memory is still 40.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 257.53 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 37.2 MB in the beginning and 52.2 MB in the end (delta: -15.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 33.57 ms. Allocated memory is still 71.3 MB. Free memory was 52.0 MB in the beginning and 49.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 21.51 ms. Allocated memory is still 71.3 MB. Free memory was 49.3 MB in the beginning and 47.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 573.41 ms. Allocated memory is still 71.3 MB. Free memory was 47.2 MB in the beginning and 50.6 MB in the end (delta: -3.3 MB). Peak memory consumption was 19.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 283.26 ms. Allocated memory is still 71.3 MB. Free memory was 50.2 MB in the beginning and 32.7 MB in the end (delta: 17.5 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Witness Printer took 48.14 ms. Allocated memory was 71.3 MB in the beginning and 90.2 MB in the end (delta: 18.9 MB). Free memory was 32.7 MB in the beginning and 69.1 MB in the end (delta: -36.4 MB). Peak memory consumption was 2.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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 - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW CFG has 1 procedures, 174 locations, 26 error locations. Started 1 CEGAR loops. OverallTime: 209.1ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 7.2ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 16.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=174occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 4.2ms SsaConstructionTime, 61.7ms SatisfiabilityAnalysisTime, 0.0ms InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-07-06 15:43:01,026 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...