./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-2a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_73f7250f-b3e8-49dc-b0b9-ad4bba994523/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_73f7250f-b3e8-49dc-b0b9-ad4bba994523/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_73f7250f-b3e8-49dc-b0b9-ad4bba994523/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_73f7250f-b3e8-49dc-b0b9-ad4bba994523/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-2a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_73f7250f-b3e8-49dc-b0b9-ad4bba994523/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_73f7250f-b3e8-49dc-b0b9-ad4bba994523/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 6b88bb286bb7e1a9df57ad923d3212313ddabb56 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/run_dir_73f7250f-b3e8-49dc-b0b9-ad4bba994523/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-a4ecdab [2020-11-28 03:11:08,103 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:11:08,108 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:11:08,190 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:11:08,191 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:11:08,199 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:11:08,202 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:11:08,211 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:11:08,215 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:11:08,218 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:11:08,220 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:11:08,223 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:11:08,224 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:11:08,235 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:11:08,237 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:11:08,239 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:11:08,243 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:11:08,246 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:11:08,253 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:11:08,258 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:11:08,266 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:11:08,268 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:11:08,271 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:11:08,272 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:11:08,278 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:11:08,278 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:11:08,278 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:11:08,280 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:11:08,281 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:11:08,282 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:11:08,283 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:11:08,284 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:11:08,285 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:11:08,286 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:11:08,288 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:11:08,289 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:11:08,290 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:11:08,290 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:11:08,291 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:11:08,292 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:11:08,293 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:11:08,294 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_73f7250f-b3e8-49dc-b0b9-ad4bba994523/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf [2020-11-28 03:11:08,347 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:11:08,347 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:11:08,349 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:11:08,349 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:11:08,349 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:11:08,349 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:11:08,350 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:11:08,350 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:11:08,350 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:11:08,350 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:11:08,351 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:11:08,351 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:11:08,351 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:11:08,351 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:11:08,352 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-28 03:11:08,352 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:11:08,352 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:11:08,352 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:11:08,353 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:11:08,353 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:11:08,353 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:11:08,353 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:11:08,354 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:11:08,354 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:11:08,354 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:11:08,357 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:11:08,358 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:11:08,358 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:11:08,359 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:11:08,360 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:11:08,360 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:11:08,360 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_73f7250f-b3e8-49dc-b0b9-ad4bba994523/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_73f7250f-b3e8-49dc-b0b9-ad4bba994523/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b88bb286bb7e1a9df57ad923d3212313ddabb56 [2020-11-28 03:11:08,686 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:11:08,735 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:11:08,738 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:11:08,740 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:11:08,743 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:11:08,744 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_73f7250f-b3e8-49dc-b0b9-ad4bba994523/bin/uautomizer/../../sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-2a.c [2020-11-28 03:11:08,865 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_73f7250f-b3e8-49dc-b0b9-ad4bba994523/bin/uautomizer/data/2ccfeb714/7a223e9b69384ae5bfbaf06b4f127f88/FLAG29be2f735 [2020-11-28 03:11:09,470 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:11:09,473 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_73f7250f-b3e8-49dc-b0b9-ad4bba994523/sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-2a.c [2020-11-28 03:11:09,497 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_73f7250f-b3e8-49dc-b0b9-ad4bba994523/bin/uautomizer/data/2ccfeb714/7a223e9b69384ae5bfbaf06b4f127f88/FLAG29be2f735 [2020-11-28 03:11:09,757 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_73f7250f-b3e8-49dc-b0b9-ad4bba994523/bin/uautomizer/data/2ccfeb714/7a223e9b69384ae5bfbaf06b4f127f88 [2020-11-28 03:11:09,760 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:11:09,762 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:11:09,766 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:11:09,766 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:11:09,771 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:11:09,772 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:11:09" (1/1) ... [2020-11-28 03:11:09,775 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7569536 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:09, skipping insertion in model container [2020-11-28 03:11:09,776 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:11:09" (1/1) ... [2020-11-28 03:11:09,787 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:11:09,837 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:11:10,159 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:11:10,171 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:11:10,242 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:11:10,260 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:11:10,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:10 WrapperNode [2020-11-28 03:11:10,261 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:11:10,263 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:11:10,263 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:11:10,263 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:11:10,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:10" (1/1) ... [2020-11-28 03:11:10,287 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:10" (1/1) ... [2020-11-28 03:11:10,337 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:11:10,338 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:11:10,338 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:11:10,338 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:11:10,349 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:10" (1/1) ... [2020-11-28 03:11:10,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:10" (1/1) ... [2020-11-28 03:11:10,355 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:10" (1/1) ... [2020-11-28 03:11:10,356 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:10" (1/1) ... [2020-11-28 03:11:10,367 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:10" (1/1) ... [2020-11-28 03:11:10,377 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:10" (1/1) ... [2020-11-28 03:11:10,381 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:10" (1/1) ... [2020-11-28 03:11:10,388 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:11:10,390 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:11:10,390 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:11:10,390 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:11:10,391 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_73f7250f-b3e8-49dc-b0b9-ad4bba994523/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 [2020-11-28 03:11:10,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:11:10,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:11:10,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:11:10,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:11:10,855 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-28 03:11:11,873 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2020-11-28 03:11:11,874 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2020-11-28 03:11:11,900 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:11:11,901 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-28 03:11:11,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:11:11 BoogieIcfgContainer [2020-11-28 03:11:11,905 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:11:11,908 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:11:11,908 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:11:11,912 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:11:11,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:11:09" (1/3) ... [2020-11-28 03:11:11,913 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47fed516 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:11:11, skipping insertion in model container [2020-11-28 03:11:11,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:10" (2/3) ... [2020-11-28 03:11:11,914 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47fed516 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:11:11, skipping insertion in model container [2020-11-28 03:11:11,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:11:11" (3/3) ... [2020-11-28 03:11:11,923 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt_1.BV.c.cil-2a.c [2020-11-28 03:11:11,938 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:11:11,943 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 18 error locations. [2020-11-28 03:11:11,959 INFO L253 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2020-11-28 03:11:11,994 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:11:11,994 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:11:11,995 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:11:11,995 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:11:11,995 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:11:11,996 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:11:11,996 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:11:11,996 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:11:12,024 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states. [2020-11-28 03:11:12,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 03:11:12,032 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:11:12,033 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:11:12,034 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]=== [2020-11-28 03:11:12,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:11:12,042 INFO L82 PathProgramCache]: Analyzing trace with hash -1574881289, now seen corresponding path program 1 times [2020-11-28 03:11:12,054 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:11:12,054 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954007844] [2020-11-28 03:11:12,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:11:12,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:11:12,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:11:12,423 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954007844] [2020-11-28 03:11:12,424 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:11:12,424 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:11:12,425 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852205521] [2020-11-28 03:11:12,434 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:11:12,435 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:11:12,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:11:12,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:11:12,460 INFO L87 Difference]: Start difference. First operand 162 states. Second operand 3 states. [2020-11-28 03:11:12,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:11:12,840 INFO L93 Difference]: Finished difference Result 319 states and 494 transitions. [2020-11-28 03:11:12,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:11:12,843 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2020-11-28 03:11:12,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:11:12,858 INFO L225 Difference]: With dead ends: 319 [2020-11-28 03:11:12,858 INFO L226 Difference]: Without dead ends: 153 [2020-11-28 03:11:12,863 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 [2020-11-28 03:11:12,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2020-11-28 03:11:12,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2020-11-28 03:11:12,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2020-11-28 03:11:12,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 213 transitions. [2020-11-28 03:11:12,933 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 213 transitions. Word has length 18 [2020-11-28 03:11:12,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:11:12,933 INFO L481 AbstractCegarLoop]: Abstraction has 153 states and 213 transitions. [2020-11-28 03:11:12,934 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:11:12,934 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 213 transitions. [2020-11-28 03:11:12,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-28 03:11:12,936 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:11:12,936 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] [2020-11-28 03:11:12,936 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:11:12,937 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]=== [2020-11-28 03:11:12,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:11:12,938 INFO L82 PathProgramCache]: Analyzing trace with hash 295428153, now seen corresponding path program 1 times [2020-11-28 03:11:12,939 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:11:12,939 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650297528] [2020-11-28 03:11:12,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:11:12,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:11:13,052 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:11:13,053 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650297528] [2020-11-28 03:11:13,053 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:11:13,053 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:11:13,054 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743287259] [2020-11-28 03:11:13,055 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:11:13,055 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:11:13,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:11:13,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:11:13,057 INFO L87 Difference]: Start difference. First operand 153 states and 213 transitions. Second operand 3 states. [2020-11-28 03:11:13,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:11:13,315 INFO L93 Difference]: Finished difference Result 314 states and 442 transitions. [2020-11-28 03:11:13,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:11:13,316 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2020-11-28 03:11:13,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:11:13,320 INFO L225 Difference]: With dead ends: 314 [2020-11-28 03:11:13,320 INFO L226 Difference]: Without dead ends: 171 [2020-11-28 03:11:13,322 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 [2020-11-28 03:11:13,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2020-11-28 03:11:13,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 168. [2020-11-28 03:11:13,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2020-11-28 03:11:13,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 233 transitions. [2020-11-28 03:11:13,342 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 233 transitions. Word has length 31 [2020-11-28 03:11:13,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:11:13,342 INFO L481 AbstractCegarLoop]: Abstraction has 168 states and 233 transitions. [2020-11-28 03:11:13,342 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:11:13,342 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 233 transitions. [2020-11-28 03:11:13,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-28 03:11:13,344 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:11:13,345 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] [2020-11-28 03:11:13,345 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:11:13,345 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]=== [2020-11-28 03:11:13,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:11:13,346 INFO L82 PathProgramCache]: Analyzing trace with hash 561647682, now seen corresponding path program 1 times [2020-11-28 03:11:13,347 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:11:13,347 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908834244] [2020-11-28 03:11:13,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:11:13,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:11:13,438 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 03:11:13,438 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908834244] [2020-11-28 03:11:13,438 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:11:13,439 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:11:13,439 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797267694] [2020-11-28 03:11:13,440 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:11:13,440 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:11:13,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:11:13,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:11:13,441 INFO L87 Difference]: Start difference. First operand 168 states and 233 transitions. Second operand 3 states. [2020-11-28 03:11:13,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:11:13,683 INFO L93 Difference]: Finished difference Result 347 states and 488 transitions. [2020-11-28 03:11:13,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:11:13,685 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2020-11-28 03:11:13,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:11:13,688 INFO L225 Difference]: With dead ends: 347 [2020-11-28 03:11:13,688 INFO L226 Difference]: Without dead ends: 189 [2020-11-28 03:11:13,690 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 [2020-11-28 03:11:13,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2020-11-28 03:11:13,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 185. [2020-11-28 03:11:13,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2020-11-28 03:11:13,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 255 transitions. [2020-11-28 03:11:13,721 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 255 transitions. Word has length 45 [2020-11-28 03:11:13,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:11:13,722 INFO L481 AbstractCegarLoop]: Abstraction has 185 states and 255 transitions. [2020-11-28 03:11:13,722 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:11:13,722 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 255 transitions. [2020-11-28 03:11:13,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-28 03:11:13,731 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:11:13,731 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] [2020-11-28 03:11:13,731 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 03:11:13,732 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]=== [2020-11-28 03:11:13,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:11:13,732 INFO L82 PathProgramCache]: Analyzing trace with hash 2098176131, now seen corresponding path program 1 times [2020-11-28 03:11:13,733 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:11:13,733 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8323639] [2020-11-28 03:11:13,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:11:13,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:11:13,929 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-11-28 03:11:13,932 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8323639] [2020-11-28 03:11:13,932 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:11:13,933 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:11:13,933 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994118097] [2020-11-28 03:11:13,934 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:11:13,934 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:11:13,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:11:13,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:11:13,938 INFO L87 Difference]: Start difference. First operand 185 states and 255 transitions. Second operand 3 states. [2020-11-28 03:11:14,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:11:14,310 INFO L93 Difference]: Finished difference Result 412 states and 587 transitions. [2020-11-28 03:11:14,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:11:14,311 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2020-11-28 03:11:14,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:11:14,315 INFO L225 Difference]: With dead ends: 412 [2020-11-28 03:11:14,315 INFO L226 Difference]: Without dead ends: 235 [2020-11-28 03:11:14,317 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 [2020-11-28 03:11:14,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2020-11-28 03:11:14,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 226. [2020-11-28 03:11:14,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2020-11-28 03:11:14,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 305 transitions. [2020-11-28 03:11:14,335 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 305 transitions. Word has length 62 [2020-11-28 03:11:14,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:11:14,336 INFO L481 AbstractCegarLoop]: Abstraction has 226 states and 305 transitions. [2020-11-28 03:11:14,336 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:11:14,336 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 305 transitions. [2020-11-28 03:11:14,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-28 03:11:14,339 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:11:14,339 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] [2020-11-28 03:11:14,340 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 03:11:14,340 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]=== [2020-11-28 03:11:14,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:11:14,341 INFO L82 PathProgramCache]: Analyzing trace with hash 509828229, now seen corresponding path program 1 times [2020-11-28 03:11:14,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:11:14,342 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230026187] [2020-11-28 03:11:14,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:11:14,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:11:14,431 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-11-28 03:11:14,432 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230026187] [2020-11-28 03:11:14,432 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:11:14,432 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:11:14,433 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143938002] [2020-11-28 03:11:14,433 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:11:14,433 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:11:14,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:11:14,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:11:14,435 INFO L87 Difference]: Start difference. First operand 226 states and 305 transitions. Second operand 3 states. [2020-11-28 03:11:14,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:11:14,464 INFO L93 Difference]: Finished difference Result 226 states and 305 transitions. [2020-11-28 03:11:14,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:11:14,466 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2020-11-28 03:11:14,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:11:14,469 INFO L225 Difference]: With dead ends: 226 [2020-11-28 03:11:14,469 INFO L226 Difference]: Without dead ends: 225 [2020-11-28 03:11:14,469 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 [2020-11-28 03:11:14,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2020-11-28 03:11:14,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 225. [2020-11-28 03:11:14,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2020-11-28 03:11:14,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 304 transitions. [2020-11-28 03:11:14,485 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 304 transitions. Word has length 62 [2020-11-28 03:11:14,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:11:14,485 INFO L481 AbstractCegarLoop]: Abstraction has 225 states and 304 transitions. [2020-11-28 03:11:14,486 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:11:14,486 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 304 transitions. [2020-11-28 03:11:14,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-11-28 03:11:14,488 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:11:14,488 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] [2020-11-28 03:11:14,488 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 03:11:14,488 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]=== [2020-11-28 03:11:14,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:11:14,489 INFO L82 PathProgramCache]: Analyzing trace with hash -1375193767, now seen corresponding path program 1 times [2020-11-28 03:11:14,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:11:14,490 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393358909] [2020-11-28 03:11:14,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:11:14,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:11:14,547 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:11:14,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:11:14,615 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:11:14,676 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:11:14,677 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-28 03:11:14,677 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-28 03:11:14,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:11:14 BoogieIcfgContainer [2020-11-28 03:11:14,800 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:11:14,806 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:11:14,807 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:11:14,807 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:11:14,807 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:11:11" (3/4) ... [2020-11-28 03:11:14,811 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 03:11:14,812 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:11:14,816 INFO L168 Benchmark]: Toolchain (without parser) took 5050.81 ms. Allocated memory was 113.2 MB in the beginning and 136.3 MB in the end (delta: 23.1 MB). Free memory was 80.8 MB in the beginning and 99.6 MB in the end (delta: -18.9 MB). Peak memory consumption was 3.8 MB. Max. memory is 16.1 GB. [2020-11-28 03:11:14,817 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 75.5 MB. Free memory was 35.2 MB in the beginning and 35.1 MB in the end (delta: 32.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:11:14,820 INFO L168 Benchmark]: CACSL2BoogieTranslator took 495.80 ms. Allocated memory is still 113.2 MB. Free memory was 80.6 MB in the beginning and 86.0 MB in the end (delta: -5.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:11:14,827 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.08 ms. Allocated memory is still 113.2 MB. Free memory was 86.0 MB in the beginning and 83.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:11:14,829 INFO L168 Benchmark]: Boogie Preprocessor took 50.90 ms. Allocated memory is still 113.2 MB. Free memory was 83.3 MB in the beginning and 81.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:11:14,833 INFO L168 Benchmark]: RCFGBuilder took 1515.70 ms. Allocated memory is still 113.2 MB. Free memory was 81.2 MB in the beginning and 86.0 MB in the end (delta: -4.8 MB). Peak memory consumption was 50.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:11:14,835 INFO L168 Benchmark]: TraceAbstraction took 2892.91 ms. Allocated memory was 113.2 MB in the beginning and 136.3 MB in the end (delta: 23.1 MB). Free memory was 85.3 MB in the beginning and 99.6 MB in the end (delta: -14.4 MB). Peak memory consumption was 66.0 MB. Max. memory is 16.1 GB. [2020-11-28 03:11:14,835 INFO L168 Benchmark]: Witness Printer took 5.35 ms. Allocated memory is still 136.3 MB. Free memory is still 99.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:11:14,840 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 75.5 MB. Free memory was 35.2 MB in the beginning and 35.1 MB in the end (delta: 32.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 495.80 ms. Allocated memory is still 113.2 MB. Free memory was 80.6 MB in the beginning and 86.0 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 74.08 ms. Allocated memory is still 113.2 MB. Free memory was 86.0 MB in the beginning and 83.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 50.90 ms. Allocated memory is still 113.2 MB. Free memory was 83.3 MB in the beginning and 81.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1515.70 ms. Allocated memory is still 113.2 MB. Free memory was 81.2 MB in the beginning and 86.0 MB in the end (delta: -4.8 MB). Peak memory consumption was 50.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2892.91 ms. Allocated memory was 113.2 MB in the beginning and 136.3 MB in the end (delta: 23.1 MB). Free memory was 85.3 MB in the beginning and 99.6 MB in the end (delta: -14.4 MB). Peak memory consumption was 66.0 MB. Max. memory is 16.1 GB. * Witness Printer took 5.35 ms. Allocated memory is still 136.3 MB. Free memory is still 99.6 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: [L630] 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 ; [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 = __VERIFIER_nondet_int(); [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 [L579] COND FALSE !(! s__s3__tmp__reuse_message) [L608] 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 [L579] COND FALSE !(! s__s3__tmp__reuse_message) [L608] 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 [L579] COND FALSE !(! s__s3__tmp__reuse_message) [L608] 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: 2.6s, OverallIterations: 6, TraceHistogramMax: 4, AutomataDifference: 1.3s, 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, 0.8s 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, 0.2s 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...