./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-1a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_cabd4426-d96c-4247-b0a6-8ecc16425189/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_cabd4426-d96c-4247-b0a6-8ecc16425189/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_cabd4426-d96c-4247-b0a6-8ecc16425189/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_cabd4426-d96c-4247-b0a6-8ecc16425189/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-1a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_cabd4426-d96c-4247-b0a6-8ecc16425189/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_cabd4426-d96c-4247-b0a6-8ecc16425189/bin/uautomizer --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 1e2636975b74961c8ccae2b8c5a585d0b63b6e0a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/run_dir_cabd4426-d96c-4247-b0a6-8ecc16425189/bin/uautomizer/config using search string *Overflow*32bit*_Bitvector*.epf No suitable settings file found using Overflow*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 15:55:00,898 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 15:55:00,910 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 15:55:00,985 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 15:55:00,986 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 15:55:00,992 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 15:55:00,996 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 15:55:01,000 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 15:55:01,004 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 15:55:01,011 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 15:55:01,012 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 15:55:01,015 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 15:55:01,015 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 15:55:01,019 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 15:55:01,021 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 15:55:01,024 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 15:55:01,026 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 15:55:01,029 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 15:55:01,031 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 15:55:01,034 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 15:55:01,036 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 15:55:01,039 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 15:55:01,043 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 15:55:01,044 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 15:55:01,056 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 15:55:01,056 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 15:55:01,057 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 15:55:01,059 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 15:55:01,061 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 15:55:01,062 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 15:55:01,063 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 15:55:01,064 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 15:55:01,066 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 15:55:01,067 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 15:55:01,068 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 15:55:01,069 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 15:55:01,069 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 15:55:01,070 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 15:55:01,070 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 15:55:01,071 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 15:55:01,072 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 15:55:01,073 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_cabd4426-d96c-4247-b0a6-8ecc16425189/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf [2020-12-01 15:55:01,099 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 15:55:01,099 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 15:55:01,101 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 15:55:01,101 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 15:55:01,101 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 15:55:01,102 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 15:55:01,102 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 15:55:01,102 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 15:55:01,102 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 15:55:01,103 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 15:55:01,103 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 15:55:01,103 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 15:55:01,103 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 15:55:01,104 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 15:55:01,104 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-12-01 15:55:01,104 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 15:55:01,105 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 15:55:01,105 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 15:55:01,105 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 15:55:01,105 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 15:55:01,106 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 15:55:01,106 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 15:55:01,106 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 15:55:01,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 15:55:01,107 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 15:55:01,107 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 15:55:01,107 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 15:55:01,107 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 15:55:01,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 15:55:01,108 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 15:55:01,108 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 15:55:01,109 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_cabd4426-d96c-4247-b0a6-8ecc16425189/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_cabd4426-d96c-4247-b0a6-8ecc16425189/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1e2636975b74961c8ccae2b8c5a585d0b63b6e0a [2020-12-01 15:55:01,369 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 15:55:01,400 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 15:55:01,405 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 15:55:01,407 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 15:55:01,408 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 15:55:01,409 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_cabd4426-d96c-4247-b0a6-8ecc16425189/bin/uautomizer/../../sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-1a.c [2020-12-01 15:55:01,490 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cabd4426-d96c-4247-b0a6-8ecc16425189/bin/uautomizer/data/4aacdf2c9/21d670ca15d24b92a04d5b423f2dc68c/FLAG907912a7d [2020-12-01 15:55:02,067 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 15:55:02,068 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_cabd4426-d96c-4247-b0a6-8ecc16425189/sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-1a.c [2020-12-01 15:55:02,097 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cabd4426-d96c-4247-b0a6-8ecc16425189/bin/uautomizer/data/4aacdf2c9/21d670ca15d24b92a04d5b423f2dc68c/FLAG907912a7d [2020-12-01 15:55:02,387 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_cabd4426-d96c-4247-b0a6-8ecc16425189/bin/uautomizer/data/4aacdf2c9/21d670ca15d24b92a04d5b423f2dc68c [2020-12-01 15:55:02,390 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 15:55:02,392 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 15:55:02,394 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 15:55:02,394 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 15:55:02,399 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 15:55:02,400 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:55:02" (1/1) ... [2020-12-01 15:55:02,403 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@109fc593 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:55:02, skipping insertion in model container [2020-12-01 15:55:02,403 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:55:02" (1/1) ... [2020-12-01 15:55:02,413 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 15:55:02,478 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 15:55:02,799 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:55:02,811 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 15:55:02,883 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:55:02,909 INFO L208 MainTranslator]: Completed translation [2020-12-01 15:55:02,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:55:02 WrapperNode [2020-12-01 15:55:02,910 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 15:55:02,911 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 15:55:02,911 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 15:55:02,912 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 15:55:02,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:55:02" (1/1) ... [2020-12-01 15:55:02,937 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:55:02" (1/1) ... [2020-12-01 15:55:03,004 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 15:55:03,005 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 15:55:03,005 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 15:55:03,005 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 15:55:03,016 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:55:02" (1/1) ... [2020-12-01 15:55:03,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:55:02" (1/1) ... [2020-12-01 15:55:03,021 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:55:02" (1/1) ... [2020-12-01 15:55:03,022 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:55:02" (1/1) ... [2020-12-01 15:55:03,033 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:55:02" (1/1) ... [2020-12-01 15:55:03,046 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:55:02" (1/1) ... [2020-12-01 15:55:03,050 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:55:02" (1/1) ... [2020-12-01 15:55:03,057 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 15:55:03,058 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 15:55:03,058 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 15:55:03,058 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 15:55:03,060 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:55:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cabd4426-d96c-4247-b0a6-8ecc16425189/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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:2000 [2020-12-01 15:55:03,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 15:55:03,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 15:55:03,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 15:55:03,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 15:55:03,308 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-01 15:55:04,101 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2020-12-01 15:55:04,101 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2020-12-01 15:55:04,124 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 15:55:04,124 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-01 15:55:04,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:55:04 BoogieIcfgContainer [2020-12-01 15:55:04,126 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 15:55:04,128 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 15:55:04,128 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 15:55:04,132 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 15:55:04,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 03:55:02" (1/3) ... [2020-12-01 15:55:04,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@409369c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:55:04, skipping insertion in model container [2020-12-01 15:55:04,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:55:02" (2/3) ... [2020-12-01 15:55:04,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@409369c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:55:04, skipping insertion in model container [2020-12-01 15:55:04,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:55:04" (3/3) ... [2020-12-01 15:55:04,136 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt_1.BV.c.cil-1a.c [2020-12-01 15:55:04,152 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 15:55:04,157 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 18 error locations. [2020-12-01 15:55:04,178 INFO L253 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2020-12-01 15:55:04,235 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 15:55:04,235 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 15:55:04,236 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 15:55:04,236 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 15:55:04,236 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 15:55:04,236 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 15:55:04,238 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 15:55:04,239 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 15:55:04,283 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states. [2020-12-01 15:55:04,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 15:55:04,292 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:55:04,293 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:55:04,296 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-01 15:55:04,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:55:04,304 INFO L82 PathProgramCache]: Analyzing trace with hash -1574881289, now seen corresponding path program 1 times [2020-12-01 15:55:04,316 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:55:04,316 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786287629] [2020-12-01 15:55:04,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:55:04,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:55:04,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:55:04,687 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786287629] [2020-12-01 15:55:04,688 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:55:04,689 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:55:04,690 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580330916] [2020-12-01 15:55:04,699 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:55:04,700 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:55:04,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:55:04,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:55:04,724 INFO L87 Difference]: Start difference. First operand 162 states. Second operand 3 states. [2020-12-01 15:55:05,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:55:05,040 INFO L93 Difference]: Finished difference Result 319 states and 494 transitions. [2020-12-01 15:55:05,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:55:05,042 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2020-12-01 15:55:05,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:55:05,066 INFO L225 Difference]: With dead ends: 319 [2020-12-01 15:55:05,067 INFO L226 Difference]: Without dead ends: 153 [2020-12-01 15:55:05,076 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:55:05,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2020-12-01 15:55:05,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2020-12-01 15:55:05,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2020-12-01 15:55:05,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 213 transitions. [2020-12-01 15:55:05,151 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 213 transitions. Word has length 18 [2020-12-01 15:55:05,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:55:05,152 INFO L481 AbstractCegarLoop]: Abstraction has 153 states and 213 transitions. [2020-12-01 15:55:05,153 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:55:05,153 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 213 transitions. [2020-12-01 15:55:05,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 15:55:05,155 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:55:05,155 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:55:05,156 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-01 15:55:05,156 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-01 15:55:05,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:55:05,157 INFO L82 PathProgramCache]: Analyzing trace with hash 295428153, now seen corresponding path program 1 times [2020-12-01 15:55:05,158 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:55:05,158 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560389741] [2020-12-01 15:55:05,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:55:05,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:55:05,296 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:55:05,297 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560389741] [2020-12-01 15:55:05,297 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:55:05,297 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:55:05,298 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441388926] [2020-12-01 15:55:05,300 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:55:05,300 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:55:05,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:55:05,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:55:05,303 INFO L87 Difference]: Start difference. First operand 153 states and 213 transitions. Second operand 3 states. [2020-12-01 15:55:05,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:55:05,548 INFO L93 Difference]: Finished difference Result 314 states and 442 transitions. [2020-12-01 15:55:05,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:55:05,549 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2020-12-01 15:55:05,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:55:05,558 INFO L225 Difference]: With dead ends: 314 [2020-12-01 15:55:05,558 INFO L226 Difference]: Without dead ends: 171 [2020-12-01 15:55:05,561 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:55:05,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2020-12-01 15:55:05,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 168. [2020-12-01 15:55:05,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2020-12-01 15:55:05,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 233 transitions. [2020-12-01 15:55:05,576 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 233 transitions. Word has length 31 [2020-12-01 15:55:05,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:55:05,577 INFO L481 AbstractCegarLoop]: Abstraction has 168 states and 233 transitions. [2020-12-01 15:55:05,580 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:55:05,580 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 233 transitions. [2020-12-01 15:55:05,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 15:55:05,583 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:55:05,583 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:55:05,584 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-01 15:55:05,584 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-01 15:55:05,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:55:05,585 INFO L82 PathProgramCache]: Analyzing trace with hash 561647682, now seen corresponding path program 1 times [2020-12-01 15:55:05,586 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:55:05,586 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672394926] [2020-12-01 15:55:05,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:55:05,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:55:05,687 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 15:55:05,690 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672394926] [2020-12-01 15:55:05,692 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:55:05,692 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:55:05,693 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228134885] [2020-12-01 15:55:05,696 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:55:05,696 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:55:05,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:55:05,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:55:05,701 INFO L87 Difference]: Start difference. First operand 168 states and 233 transitions. Second operand 3 states. [2020-12-01 15:55:05,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:55:05,909 INFO L93 Difference]: Finished difference Result 347 states and 488 transitions. [2020-12-01 15:55:05,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:55:05,911 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2020-12-01 15:55:05,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:55:05,915 INFO L225 Difference]: With dead ends: 347 [2020-12-01 15:55:05,915 INFO L226 Difference]: Without dead ends: 189 [2020-12-01 15:55:05,927 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:55:05,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2020-12-01 15:55:05,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 185. [2020-12-01 15:55:05,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2020-12-01 15:55:05,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 255 transitions. [2020-12-01 15:55:05,955 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 255 transitions. Word has length 45 [2020-12-01 15:55:05,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:55:05,957 INFO L481 AbstractCegarLoop]: Abstraction has 185 states and 255 transitions. [2020-12-01 15:55:05,957 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:55:05,957 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 255 transitions. [2020-12-01 15:55:05,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 15:55:05,964 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:55:05,965 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:55:05,965 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-01 15:55:05,965 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-01 15:55:05,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:55:05,966 INFO L82 PathProgramCache]: Analyzing trace with hash 2098176131, now seen corresponding path program 1 times [2020-12-01 15:55:05,967 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:55:05,967 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941059335] [2020-12-01 15:55:05,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:55:06,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:55:06,124 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-12-01 15:55:06,125 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941059335] [2020-12-01 15:55:06,125 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:55:06,125 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:55:06,126 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034760667] [2020-12-01 15:55:06,126 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:55:06,127 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:55:06,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:55:06,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:55:06,128 INFO L87 Difference]: Start difference. First operand 185 states and 255 transitions. Second operand 3 states. [2020-12-01 15:55:06,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:55:06,339 INFO L93 Difference]: Finished difference Result 412 states and 587 transitions. [2020-12-01 15:55:06,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:55:06,339 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2020-12-01 15:55:06,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:55:06,343 INFO L225 Difference]: With dead ends: 412 [2020-12-01 15:55:06,343 INFO L226 Difference]: Without dead ends: 235 [2020-12-01 15:55:06,344 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:55:06,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2020-12-01 15:55:06,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 226. [2020-12-01 15:55:06,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2020-12-01 15:55:06,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 305 transitions. [2020-12-01 15:55:06,380 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 305 transitions. Word has length 62 [2020-12-01 15:55:06,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:55:06,383 INFO L481 AbstractCegarLoop]: Abstraction has 226 states and 305 transitions. [2020-12-01 15:55:06,383 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:55:06,383 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 305 transitions. [2020-12-01 15:55:06,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 15:55:06,386 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:55:06,386 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:55:06,387 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-01 15:55:06,388 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-01 15:55:06,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:55:06,389 INFO L82 PathProgramCache]: Analyzing trace with hash 509828229, now seen corresponding path program 1 times [2020-12-01 15:55:06,390 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:55:06,390 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992474933] [2020-12-01 15:55:06,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:55:06,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:55:06,534 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-12-01 15:55:06,535 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992474933] [2020-12-01 15:55:06,536 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:55:06,536 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 15:55:06,537 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892885646] [2020-12-01 15:55:06,539 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:55:06,539 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:55:06,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:55:06,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:55:06,540 INFO L87 Difference]: Start difference. First operand 226 states and 305 transitions. Second operand 3 states. [2020-12-01 15:55:06,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:55:06,567 INFO L93 Difference]: Finished difference Result 226 states and 305 transitions. [2020-12-01 15:55:06,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:55:06,568 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2020-12-01 15:55:06,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:55:06,570 INFO L225 Difference]: With dead ends: 226 [2020-12-01 15:55:06,570 INFO L226 Difference]: Without dead ends: 225 [2020-12-01 15:55:06,570 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:55:06,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2020-12-01 15:55:06,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 225. [2020-12-01 15:55:06,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2020-12-01 15:55:06,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 304 transitions. [2020-12-01 15:55:06,599 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 304 transitions. Word has length 62 [2020-12-01 15:55:06,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:55:06,600 INFO L481 AbstractCegarLoop]: Abstraction has 225 states and 304 transitions. [2020-12-01 15:55:06,600 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:55:06,600 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 304 transitions. [2020-12-01 15:55:06,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-12-01 15:55:06,601 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:55:06,602 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:55:06,602 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-01 15:55:06,602 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-01 15:55:06,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:55:06,603 INFO L82 PathProgramCache]: Analyzing trace with hash -1375193767, now seen corresponding path program 1 times [2020-12-01 15:55:06,603 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:55:06,604 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482920863] [2020-12-01 15:55:06,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:55:06,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:55:06,659 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:55:06,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:55:06,712 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:55:06,770 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:55:06,770 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-01 15:55:06,770 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-01 15:55:06,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 03:55:06 BoogieIcfgContainer [2020-12-01 15:55:06,915 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 15:55:06,916 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 15:55:06,916 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 15:55:06,916 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 15:55:06,917 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:55:04" (3/4) ... [2020-12-01 15:55:06,921 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-01 15:55:06,921 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 15:55:06,926 INFO L168 Benchmark]: Toolchain (without parser) took 4530.74 ms. Allocated memory was 92.3 MB in the beginning and 146.8 MB in the end (delta: 54.5 MB). Free memory was 61.1 MB in the beginning and 104.7 MB in the end (delta: -43.6 MB). Peak memory consumption was 11.2 MB. Max. memory is 16.1 GB. [2020-12-01 15:55:06,928 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 92.3 MB. Free memory was 51.0 MB in the beginning and 50.9 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:55:06,930 INFO L168 Benchmark]: CACSL2BoogieTranslator took 516.22 ms. Allocated memory is still 92.3 MB. Free memory was 60.9 MB in the beginning and 66.3 MB in the end (delta: -5.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 15:55:06,938 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.96 ms. Allocated memory is still 92.3 MB. Free memory was 66.3 MB in the beginning and 63.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:55:06,940 INFO L168 Benchmark]: Boogie Preprocessor took 52.20 ms. Allocated memory is still 92.3 MB. Free memory was 63.4 MB in the beginning and 61.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:55:06,945 INFO L168 Benchmark]: RCFGBuilder took 1068.51 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 61.2 MB in the beginning and 65.5 MB in the end (delta: -4.3 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. [2020-12-01 15:55:06,946 INFO L168 Benchmark]: TraceAbstraction took 2786.96 ms. Allocated memory was 111.1 MB in the beginning and 146.8 MB in the end (delta: 35.7 MB). Free memory was 65.5 MB in the beginning and 104.7 MB in the end (delta: -39.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:55:06,946 INFO L168 Benchmark]: Witness Printer took 5.88 ms. Allocated memory is still 146.8 MB. Free memory is still 104.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:55:06,950 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 92.3 MB. Free memory was 51.0 MB in the beginning and 50.9 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 516.22 ms. Allocated memory is still 92.3 MB. Free memory was 60.9 MB in the beginning and 66.3 MB in the end (delta: -5.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 92.96 ms. Allocated memory is still 92.3 MB. Free memory was 66.3 MB in the beginning and 63.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 52.20 ms. Allocated memory is still 92.3 MB. Free memory was 63.4 MB in the beginning and 61.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1068.51 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 61.2 MB in the beginning and 65.5 MB in the end (delta: -4.3 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2786.96 ms. Allocated memory was 111.1 MB in the beginning and 146.8 MB in the end (delta: 35.7 MB). Free memory was 65.5 MB in the beginning and 104.7 MB in the end (delta: -39.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 5.88 ms. Allocated memory is still 146.8 MB. Free memory is still 104.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 309]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseAnd at line 221. Possible FailurePath: [L631] int __retres1 ; [L11] int s__info_callback = __VERIFIER_nondet_int(); [L12] unsigned int s__in_handshake = __VERIFIER_nondet_uint(); [L13] int s__state ; [L14] int s__new_session ; [L15] int s__server ; [L16] int s__version = __VERIFIER_nondet_int(); [L17] int s__type ; [L18] int s__init_num ; [L19] int s__bbio = __VERIFIER_nondet_int(); [L20] int s__wbio = __VERIFIER_nondet_int(); [L21] int s__hit = __VERIFIER_nondet_int(); [L22] int s__rwstate ; [L23] int s__init_buf___0 ; [L24] int s__debug = __VERIFIER_nondet_int(); [L25] int s__shutdown ; [L26] int s__ctx__info_callback = __VERIFIER_nondet_int(); [L27] unsigned int s__ctx__stats__sess_connect_renegotiate = __VERIFIER_nondet_uint(); [L28] unsigned int s__ctx__stats__sess_connect ; [L29] int s__ctx__stats__sess_hit = __VERIFIER_nondet_int(); [L30] int s__ctx__stats__sess_connect_good = __VERIFIER_nondet_int(); [L31] int s__s3__change_cipher_spec ; [L32] int s__s3__flags ; [L33] int s__s3__delay_buf_pop_ret ; [L34] int s__s3__tmp__cert_req = __VERIFIER_nondet_int(); [L35] int s__s3__tmp__new_compression = __VERIFIER_nondet_int(); [L36] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int(); [L37] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int(); [L38] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int(); [L39] int s__s3__tmp__next_state___0 ; [L40] int s__s3__tmp__new_compression__id = __VERIFIER_nondet_int(); [L41] int s__session__cipher ; [L42] int s__session__compress_meth ; [L43] int buf ; [L44] unsigned long tmp ; [L45] unsigned long l ; [L46] int num1 ; [L47] int cb ; [L48] int ret ; [L49] int new_state ; [L50] int state ; [L51] int skip ; [L52] int tmp___0 ; [L53] int tmp___1 ; [L54] int tmp___2 ; [L55] int tmp___3 ; [L56] int tmp___4 ; [L57] int tmp___5 ; [L58] int tmp___6 = __VERIFIER_nondet_int(); [L59] int tmp___7 = __VERIFIER_nondet_int(); [L60] int tmp___8 = __VERIFIER_nondet_int(); [L61] int tmp___9 = __VERIFIER_nondet_int(); [L62] int blastFlag ; [L63] int ag_X ; [L64] int ag_Y ; [L65] int ag_Z ; [L66] unsigned int ag_V ; [L67] unsigned int ag_W ; [L68] int __retres62 ; [L71] ag_V = 2U [L72] ag_W = 5U [L73] s__state = 12292 [L74] blastFlag = 0 [L75] tmp = __VERIFIER_nondet_int() [L76] cb = 0 [L77] ret = -1 [L78] skip = 0 [L79] tmp___0 = 0 [L80] COND TRUE s__info_callback != 0 [L81] cb = s__info_callback [L89] s__in_handshake = s__in_handshake + 1 [L90] tmp___1 = __VERIFIER_nondet_int() [L91] COND FALSE !(tmp___1 & 12288) [L102] COND TRUE 1 [L104] state = s__state [L105] COND TRUE s__state == 12292 [L208] s__new_session = 1 [L209] s__state = 4096 [L210] s__ctx__stats__sess_connect_renegotiate = s__ctx__stats__sess_connect_renegotiate + 1 [L215] s__server = 0 [L216] COND TRUE cb != 0 [L221] COND FALSE !((s__version & 65280) != 768) [L227] s__type = 4096 [L228] COND FALSE !(s__init_buf___0 == 0) [L247] tmp___4 = __VERIFIER_nondet_int() [L248] COND FALSE !(! tmp___4) [L254] tmp___5 = __VERIFIER_nondet_int() [L255] COND FALSE !(! tmp___5) [L261] s__state = 4368 [L262] s__ctx__stats__sess_connect = s__ctx__stats__sess_connect + 1 [L263] s__init_num = 0 [L580] COND FALSE !(! s__s3__tmp__reuse_message) [L609] skip = 0 [L102] COND TRUE 1 [L104] state = s__state [L105] COND FALSE !(s__state == 12292) [L108] COND FALSE !(s__state == 16384) [L111] COND FALSE !(s__state == 4096) [L114] COND FALSE !(s__state == 20480) [L117] COND FALSE !(s__state == 4099) [L120] COND TRUE s__state == 4368 [L267] s__shutdown = 0 [L268] ret = __VERIFIER_nondet_int() [L269] COND TRUE blastFlag == 0 [L270] blastFlag = 1 [L274] COND FALSE !(ret <= 0) [L279] s__state = 4384 [L280] s__init_num = 0 [L281] COND TRUE s__bbio != s__wbio [L580] COND FALSE !(! s__s3__tmp__reuse_message) [L609] skip = 0 [L102] COND TRUE 1 [L104] state = s__state [L105] COND FALSE !(s__state == 12292) [L108] COND FALSE !(s__state == 16384) [L111] COND FALSE !(s__state == 4096) [L114] COND FALSE !(s__state == 20480) [L117] COND FALSE !(s__state == 4099) [L120] COND FALSE !(s__state == 4368) [L123] COND FALSE !(s__state == 4369) [L126] COND TRUE s__state == 4384 [L289] ret = __VERIFIER_nondet_int() [L290] COND TRUE blastFlag == 1 [L291] blastFlag = 2 [L295] COND FALSE !(ret <= 0) [L300] COND FALSE !(\read(s__hit)) [L303] s__state = 4400 [L305] s__init_num = 0 [L580] COND FALSE !(! s__s3__tmp__reuse_message) [L609] skip = 0 [L102] COND TRUE 1 [L104] state = s__state [L105] COND FALSE !(s__state == 12292) [L108] COND FALSE !(s__state == 16384) [L111] COND FALSE !(s__state == 4096) [L114] COND FALSE !(s__state == 20480) [L117] COND FALSE !(s__state == 4099) [L120] COND FALSE !(s__state == 4368) [L123] COND FALSE !(s__state == 4369) [L126] COND FALSE !(s__state == 4384) [L129] COND FALSE !(s__state == 4385) [L132] COND TRUE s__state == 4400 [L309] s__s3__tmp__new_cipher__algorithms - 256 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 162 locations, 18 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.5s, OverallIterations: 6, TraceHistogramMax: 4, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1068 SDtfs, 263 SDslu, 498 SDs, 0 SdLazy, 413 SolverSat, 51 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=226occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 16 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 281 NumberOfCodeBlocks, 281 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 213 ConstructedInterpolants, 0 QuantifiedInterpolants, 21665 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 101/101 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 could not prove your program: unable to determine feasibility of some traces Received shutdown request...