./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_7d40d15b-520a-40a5-9d5f-d9d07a83fcbc/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_7d40d15b-520a-40a5-9d5f-d9d07a83fcbc/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7d40d15b-520a-40a5-9d5f-d9d07a83fcbc/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7d40d15b-520a-40a5-9d5f-d9d07a83fcbc/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-2a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7d40d15b-520a-40a5-9d5f-d9d07a83fcbc/bin/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7d40d15b-520a-40a5-9d5f-d9d07a83fcbc/bin/utaipan --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 Taipan --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_7d40d15b-520a-40a5-9d5f-d9d07a83fcbc/bin/utaipan/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 [2020-11-30 03:36:59,957 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 03:36:59,960 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 03:37:00,053 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 03:37:00,055 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 03:37:00,061 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 03:37:00,066 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 03:37:00,076 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 03:37:00,080 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 03:37:00,090 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 03:37:00,092 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 03:37:00,095 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 03:37:00,096 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 03:37:00,101 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 03:37:00,103 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 03:37:00,106 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 03:37:00,107 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 03:37:00,109 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 03:37:00,119 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 03:37:00,125 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 03:37:00,131 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 03:37:00,133 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 03:37:00,137 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 03:37:00,139 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 03:37:00,151 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 03:37:00,154 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 03:37:00,155 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 03:37:00,157 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 03:37:00,159 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 03:37:00,160 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 03:37:00,161 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 03:37:00,163 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 03:37:00,166 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 03:37:00,168 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 03:37:00,170 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 03:37:00,171 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 03:37:00,172 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 03:37:00,172 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 03:37:00,173 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 03:37:00,174 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 03:37:00,175 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 03:37:00,179 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7d40d15b-520a-40a5-9d5f-d9d07a83fcbc/bin/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf [2020-11-30 03:37:00,235 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 03:37:00,235 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 03:37:00,237 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 03:37:00,238 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-30 03:37:00,238 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-30 03:37:00,238 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-30 03:37:00,239 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-30 03:37:00,239 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-30 03:37:00,239 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-30 03:37:00,240 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-30 03:37:00,241 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-30 03:37:00,242 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-30 03:37:00,242 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-30 03:37:00,243 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-30 03:37:00,243 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-30 03:37:00,244 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 03:37:00,244 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 03:37:00,245 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 03:37:00,245 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 03:37:00,245 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 03:37:00,246 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 03:37:00,246 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 03:37:00,246 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 03:37:00,246 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 03:37:00,247 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-30 03:37:00,247 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 03:37:00,247 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 03:37:00,248 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 03:37:00,248 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 03:37:00,250 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 03:37:00,251 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 03:37:00,251 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 03:37:00,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 03:37:00,252 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 03:37:00,252 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 03:37:00,253 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 03:37:00,253 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-30 03:37:00,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 03:37:00,254 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 03:37:00,254 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 03:37:00,254 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 03:37:00,254 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_7d40d15b-520a-40a5-9d5f-d9d07a83fcbc/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_7d40d15b-520a-40a5-9d5f-d9d07a83fcbc/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b88bb286bb7e1a9df57ad923d3212313ddabb56 [2020-11-30 03:37:00,616 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 03:37:00,658 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 03:37:00,661 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 03:37:00,662 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 03:37:00,663 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 03:37:00,663 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7d40d15b-520a-40a5-9d5f-d9d07a83fcbc/bin/utaipan/../../sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-2a.c [2020-11-30 03:37:00,766 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7d40d15b-520a-40a5-9d5f-d9d07a83fcbc/bin/utaipan/data/c1874d502/5f8b2b46bf8d44c09ffe1d11529eb90e/FLAGb6b7eaf4d [2020-11-30 03:37:01,425 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 03:37:01,426 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7d40d15b-520a-40a5-9d5f-d9d07a83fcbc/sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-2a.c [2020-11-30 03:37:01,459 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7d40d15b-520a-40a5-9d5f-d9d07a83fcbc/bin/utaipan/data/c1874d502/5f8b2b46bf8d44c09ffe1d11529eb90e/FLAGb6b7eaf4d [2020-11-30 03:37:01,735 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7d40d15b-520a-40a5-9d5f-d9d07a83fcbc/bin/utaipan/data/c1874d502/5f8b2b46bf8d44c09ffe1d11529eb90e [2020-11-30 03:37:01,739 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 03:37:01,741 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 03:37:01,743 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 03:37:01,743 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 03:37:01,747 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 03:37:01,749 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 03:37:01" (1/1) ... [2020-11-30 03:37:01,751 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49fb5a31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:37:01, skipping insertion in model container [2020-11-30 03:37:01,752 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 03:37:01" (1/1) ... [2020-11-30 03:37:01,761 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 03:37:01,806 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 03:37:02,099 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 03:37:02,110 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 03:37:02,189 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 03:37:02,206 INFO L208 MainTranslator]: Completed translation [2020-11-30 03:37:02,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:37:02 WrapperNode [2020-11-30 03:37:02,221 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 03:37:02,222 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 03:37:02,223 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 03:37:02,223 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 03:37:02,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:37:02" (1/1) ... [2020-11-30 03:37:02,245 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:37:02" (1/1) ... [2020-11-30 03:37:02,319 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 03:37:02,329 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 03:37:02,334 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 03:37:02,334 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 03:37:02,345 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:37:02" (1/1) ... [2020-11-30 03:37:02,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:37:02" (1/1) ... [2020-11-30 03:37:02,356 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:37:02" (1/1) ... [2020-11-30 03:37:02,364 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:37:02" (1/1) ... [2020-11-30 03:37:02,389 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:37:02" (1/1) ... [2020-11-30 03:37:02,413 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:37:02" (1/1) ... [2020-11-30 03:37:02,416 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:37:02" (1/1) ... [2020-11-30 03:37:02,432 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 03:37:02,434 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 03:37:02,435 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 03:37:02,436 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 03:37:02,437 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:37:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7d40d15b-520a-40a5-9d5f-d9d07a83fcbc/bin/utaipan/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 [2020-11-30 03:37:02,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 03:37:02,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 03:37:02,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 03:37:02,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 03:37:02,817 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 03:37:03,840 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2020-11-30 03:37:03,841 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2020-11-30 03:37:04,445 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 03:37:04,445 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-30 03:37:04,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 03:37:04 BoogieIcfgContainer [2020-11-30 03:37:04,449 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 03:37:04,451 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 03:37:04,451 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 03:37:04,456 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 03:37:04,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 03:37:01" (1/3) ... [2020-11-30 03:37:04,457 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4114b492 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 03:37:04, skipping insertion in model container [2020-11-30 03:37:04,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:37:02" (2/3) ... [2020-11-30 03:37:04,458 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4114b492 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 03:37:04, skipping insertion in model container [2020-11-30 03:37:04,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 03:37:04" (3/3) ... [2020-11-30 03:37:04,461 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt_1.BV.c.cil-2a.c [2020-11-30 03:37:04,476 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 03:37:04,482 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 18 error locations. [2020-11-30 03:37:04,498 INFO L253 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2020-11-30 03:37:04,550 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 03:37:04,550 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 03:37:04,550 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 03:37:04,551 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 03:37:04,551 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 03:37:04,551 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 03:37:04,551 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 03:37:04,552 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 03:37:04,585 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states. [2020-11-30 03:37:04,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-30 03:37:04,596 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 03:37:04,597 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 03:37:04,597 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]=== [2020-11-30 03:37:04,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 03:37:04,605 INFO L82 PathProgramCache]: Analyzing trace with hash 1214680026, now seen corresponding path program 1 times [2020-11-30 03:37:04,617 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 03:37:04,617 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584362400] [2020-11-30 03:37:04,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 03:37:04,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 03:37:04,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 03:37:04,963 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584362400] [2020-11-30 03:37:04,964 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 03:37:04,964 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 03:37:04,965 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538019384] [2020-11-30 03:37:04,972 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 03:37:04,972 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 03:37:04,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 03:37:04,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 03:37:04,995 INFO L87 Difference]: Start difference. First operand 127 states. Second operand 3 states. [2020-11-30 03:37:05,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 03:37:05,324 INFO L93 Difference]: Finished difference Result 255 states and 389 transitions. [2020-11-30 03:37:05,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 03:37:05,329 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-11-30 03:37:05,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 03:37:05,351 INFO L225 Difference]: With dead ends: 255 [2020-11-30 03:37:05,351 INFO L226 Difference]: Without dead ends: 126 [2020-11-30 03:37:05,355 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 [2020-11-30 03:37:05,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-11-30 03:37:05,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2020-11-30 03:37:05,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2020-11-30 03:37:05,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 167 transitions. [2020-11-30 03:37:05,434 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 167 transitions. Word has length 13 [2020-11-30 03:37:05,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 03:37:05,434 INFO L481 AbstractCegarLoop]: Abstraction has 126 states and 167 transitions. [2020-11-30 03:37:05,434 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 03:37:05,435 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 167 transitions. [2020-11-30 03:37:05,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-30 03:37:05,438 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 03:37:05,439 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 03:37:05,439 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 03:37:05,440 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]=== [2020-11-30 03:37:05,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 03:37:05,445 INFO L82 PathProgramCache]: Analyzing trace with hash -1846996347, now seen corresponding path program 1 times [2020-11-30 03:37:05,446 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 03:37:05,446 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886512869] [2020-11-30 03:37:05,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 03:37:05,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 03:37:05,579 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 03:37:05,584 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886512869] [2020-11-30 03:37:05,585 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 03:37:05,585 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 03:37:05,585 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981814099] [2020-11-30 03:37:05,587 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 03:37:05,590 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 03:37:05,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 03:37:05,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 03:37:05,594 INFO L87 Difference]: Start difference. First operand 126 states and 167 transitions. Second operand 3 states. [2020-11-30 03:37:05,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 03:37:05,890 INFO L93 Difference]: Finished difference Result 264 states and 355 transitions. [2020-11-30 03:37:05,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 03:37:05,892 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2020-11-30 03:37:05,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 03:37:05,894 INFO L225 Difference]: With dead ends: 264 [2020-11-30 03:37:05,895 INFO L226 Difference]: Without dead ends: 141 [2020-11-30 03:37:05,896 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 [2020-11-30 03:37:05,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2020-11-30 03:37:05,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 139. [2020-11-30 03:37:05,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2020-11-30 03:37:05,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 183 transitions. [2020-11-30 03:37:05,926 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 183 transitions. Word has length 23 [2020-11-30 03:37:05,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 03:37:05,926 INFO L481 AbstractCegarLoop]: Abstraction has 139 states and 183 transitions. [2020-11-30 03:37:05,926 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 03:37:05,927 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 183 transitions. [2020-11-30 03:37:05,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-30 03:37:05,928 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 03:37:05,928 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-11-30 03:37:05,929 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 03:37:05,930 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]=== [2020-11-30 03:37:05,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 03:37:05,935 INFO L82 PathProgramCache]: Analyzing trace with hash -678945922, now seen corresponding path program 1 times [2020-11-30 03:37:05,936 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 03:37:05,937 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970396128] [2020-11-30 03:37:05,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 03:37:05,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 03:37:06,083 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 03:37:06,084 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970396128] [2020-11-30 03:37:06,084 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 03:37:06,084 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 03:37:06,085 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526010188] [2020-11-30 03:37:06,085 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 03:37:06,085 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 03:37:06,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 03:37:06,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 03:37:06,086 INFO L87 Difference]: Start difference. First operand 139 states and 183 transitions. Second operand 3 states. [2020-11-30 03:37:06,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 03:37:06,351 INFO L93 Difference]: Finished difference Result 292 states and 391 transitions. [2020-11-30 03:37:06,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 03:37:06,353 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-11-30 03:37:06,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 03:37:06,355 INFO L225 Difference]: With dead ends: 292 [2020-11-30 03:37:06,356 INFO L226 Difference]: Without dead ends: 156 [2020-11-30 03:37:06,357 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 [2020-11-30 03:37:06,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2020-11-30 03:37:06,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 154. [2020-11-30 03:37:06,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2020-11-30 03:37:06,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 201 transitions. [2020-11-30 03:37:06,377 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 201 transitions. Word has length 34 [2020-11-30 03:37:06,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 03:37:06,378 INFO L481 AbstractCegarLoop]: Abstraction has 154 states and 201 transitions. [2020-11-30 03:37:06,378 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 03:37:06,378 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 201 transitions. [2020-11-30 03:37:06,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-30 03:37:06,383 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 03:37:06,383 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-11-30 03:37:06,384 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-30 03:37:06,384 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]=== [2020-11-30 03:37:06,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 03:37:06,385 INFO L82 PathProgramCache]: Analyzing trace with hash -1160949765, now seen corresponding path program 1 times [2020-11-30 03:37:06,385 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 03:37:06,386 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032332283] [2020-11-30 03:37:06,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 03:37:06,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 03:37:06,559 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-11-30 03:37:06,560 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032332283] [2020-11-30 03:37:06,561 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 03:37:06,561 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-11-30 03:37:06,561 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357234125] [2020-11-30 03:37:06,562 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 03:37:06,562 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 03:37:06,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 03:37:06,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 03:37:06,564 INFO L87 Difference]: Start difference. First operand 154 states and 201 transitions. Second operand 3 states. [2020-11-30 03:37:06,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 03:37:06,584 INFO L93 Difference]: Finished difference Result 154 states and 201 transitions. [2020-11-30 03:37:06,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 03:37:06,585 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-11-30 03:37:06,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 03:37:06,587 INFO L225 Difference]: With dead ends: 154 [2020-11-30 03:37:06,588 INFO L226 Difference]: Without dead ends: 153 [2020-11-30 03:37:06,589 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 03:37:06,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2020-11-30 03:37:06,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2020-11-30 03:37:06,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2020-11-30 03:37:06,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 200 transitions. [2020-11-30 03:37:06,603 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 200 transitions. Word has length 47 [2020-11-30 03:37:06,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 03:37:06,604 INFO L481 AbstractCegarLoop]: Abstraction has 153 states and 200 transitions. [2020-11-30 03:37:06,604 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 03:37:06,604 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 200 transitions. [2020-11-30 03:37:06,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-30 03:37:06,606 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 03:37:06,606 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-11-30 03:37:06,607 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-30 03:37:06,607 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]=== [2020-11-30 03:37:06,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 03:37:06,608 INFO L82 PathProgramCache]: Analyzing trace with hash -1629704029, now seen corresponding path program 1 times [2020-11-30 03:37:06,608 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 03:37:06,609 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883866908] [2020-11-30 03:37:06,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 03:37:06,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 03:37:06,667 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 03:37:06,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 03:37:06,704 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 03:37:06,751 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-11-30 03:37:06,752 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-30 03:37:06,752 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-30 03:37:06,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 03:37:06 BoogieIcfgContainer [2020-11-30 03:37:06,877 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 03:37:06,877 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 03:37:06,878 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 03:37:06,878 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 03:37:06,879 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 03:37:04" (3/4) ... [2020-11-30 03:37:06,890 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 03:37:06,890 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 03:37:06,894 INFO L168 Benchmark]: Toolchain (without parser) took 5150.58 ms. Allocated memory was 86.0 MB in the beginning and 130.0 MB in the end (delta: 44.0 MB). Free memory was 54.0 MB in the beginning and 81.6 MB in the end (delta: -27.6 MB). Peak memory consumption was 16.0 MB. Max. memory is 16.1 GB. [2020-11-30 03:37:06,895 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 86.0 MB. Free memory was 57.9 MB in the beginning and 57.9 MB in the end (delta: 24.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 03:37:06,898 INFO L168 Benchmark]: CACSL2BoogieTranslator took 478.34 ms. Allocated memory is still 86.0 MB. Free memory was 53.7 MB in the beginning and 60.5 MB in the end (delta: -6.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 03:37:06,899 INFO L168 Benchmark]: Boogie Procedure Inliner took 105.77 ms. Allocated memory is still 86.0 MB. Free memory was 60.5 MB in the beginning and 57.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 03:37:06,901 INFO L168 Benchmark]: Boogie Preprocessor took 104.64 ms. Allocated memory is still 86.0 MB. Free memory was 57.7 MB in the beginning and 55.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 03:37:06,906 INFO L168 Benchmark]: RCFGBuilder took 2014.84 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 55.6 MB in the beginning and 52.4 MB in the end (delta: 3.2 MB). Peak memory consumption was 35.5 MB. Max. memory is 16.1 GB. [2020-11-30 03:37:06,908 INFO L168 Benchmark]: TraceAbstraction took 2425.88 ms. Allocated memory was 104.9 MB in the beginning and 130.0 MB in the end (delta: 25.2 MB). Free memory was 51.7 MB in the beginning and 81.6 MB in the end (delta: -29.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 03:37:06,909 INFO L168 Benchmark]: Witness Printer took 12.61 ms. Allocated memory is still 130.0 MB. Free memory is still 81.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 03:37:06,915 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 86.0 MB. Free memory was 57.9 MB in the beginning and 57.9 MB in the end (delta: 24.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 478.34 ms. Allocated memory is still 86.0 MB. Free memory was 53.7 MB in the beginning and 60.5 MB in the end (delta: -6.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 105.77 ms. Allocated memory is still 86.0 MB. Free memory was 60.5 MB in the beginning and 57.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 104.64 ms. Allocated memory is still 86.0 MB. Free memory was 57.7 MB in the beginning and 55.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2014.84 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 55.6 MB in the beginning and 52.4 MB in the end (delta: 3.2 MB). Peak memory consumption was 35.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2425.88 ms. Allocated memory was 104.9 MB in the beginning and 130.0 MB in the end (delta: 25.2 MB). Free memory was 51.7 MB in the beginning and 81.6 MB in the end (delta: -29.9 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 12.61 ms. Allocated memory is still 130.0 MB. Free memory is still 81.6 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 FALSE !(s__info_callback != 0) [L83] COND FALSE !(s__ctx__info_callback != 0) [L89] s__in_handshake = s__in_handshake + 1 [L90] tmp___1 = __VERIFIER_nondet_int() [L91] COND TRUE tmp___1 & 12288 [L92] tmp___2 = __VERIFIER_nondet_int() [L93] COND FALSE !(tmp___2 & 16384) [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 FALSE !(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, 127 locations, 18 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.2s, OverallIterations: 5, TraceHistogramMax: 4, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 675 SDtfs, 153 SDslu, 268 SDs, 0 SdLazy, 274 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=154occurred in iteration=3, 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, 4 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 165 NumberOfCodeBlocks, 165 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 113 ConstructedInterpolants, 0 QuantifiedInterpolants, 9235 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 50/50 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...