./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-1a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_81d86eae-77ae-4310-b994-97d076af0b0e/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_81d86eae-77ae-4310-b994-97d076af0b0e/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_81d86eae-77ae-4310-b994-97d076af0b0e/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_81d86eae-77ae-4310-b994-97d076af0b0e/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-1a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_81d86eae-77ae-4310-b994-97d076af0b0e/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_81d86eae-77ae-4310-b994-97d076af0b0e/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1e2636975b74961c8ccae2b8c5a585d0b63b6e0a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/run_dir_81d86eae-77ae-4310-b994-97d076af0b0e/bin/ukojak/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 04:33:10,154 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:33:10,157 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:33:10,205 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:33:10,206 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:33:10,207 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:33:10,209 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:33:10,212 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:33:10,214 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:33:10,216 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:33:10,217 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:33:10,219 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:33:10,219 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:33:10,221 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:33:10,222 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:33:10,224 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:33:10,225 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:33:10,226 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:33:10,229 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:33:10,232 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:33:10,234 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:33:10,236 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:33:10,238 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:33:10,239 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:33:10,243 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:33:10,244 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:33:10,244 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:33:10,245 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:33:10,246 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:33:10,247 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:33:10,248 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:33:10,249 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:33:10,250 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:33:10,251 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:33:10,253 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:33:10,253 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:33:10,254 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:33:10,255 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:33:10,255 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:33:10,256 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:33:10,257 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:33:10,258 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_81d86eae-77ae-4310-b994-97d076af0b0e/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf [2020-11-28 04:33:10,281 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:33:10,282 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:33:10,283 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:33:10,283 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:33:10,284 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:33:10,285 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:33:10,285 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:33:10,286 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:33:10,286 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 04:33:10,287 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:33:10,287 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:33:10,287 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:33:10,288 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:33:10,288 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:33:10,289 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:33:10,289 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-28 04:33:10,289 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:33:10,295 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:33:10,296 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:33:10,296 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:33:10,297 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:33:10,297 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:33:10,297 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:33:10,298 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:33:10,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:33:10,299 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:33:10,299 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:33:10,299 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:33:10,300 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:33:10,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:33:10,301 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:33:10,302 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_81d86eae-77ae-4310-b994-97d076af0b0e/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_81d86eae-77ae-4310-b994-97d076af0b0e/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1e2636975b74961c8ccae2b8c5a585d0b63b6e0a [2020-11-28 04:33:10,544 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:33:10,578 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:33:10,580 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:33:10,582 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:33:10,587 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:33:10,588 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_81d86eae-77ae-4310-b994-97d076af0b0e/bin/ukojak/../../sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-1a.c [2020-11-28 04:33:10,678 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_81d86eae-77ae-4310-b994-97d076af0b0e/bin/ukojak/data/7c13e1085/2c225428665b41a08f8f6c2eef83ac44/FLAG3467ba110 [2020-11-28 04:33:11,164 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:33:11,166 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_81d86eae-77ae-4310-b994-97d076af0b0e/sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-1a.c [2020-11-28 04:33:11,183 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_81d86eae-77ae-4310-b994-97d076af0b0e/bin/ukojak/data/7c13e1085/2c225428665b41a08f8f6c2eef83ac44/FLAG3467ba110 [2020-11-28 04:33:11,530 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_81d86eae-77ae-4310-b994-97d076af0b0e/bin/ukojak/data/7c13e1085/2c225428665b41a08f8f6c2eef83ac44 [2020-11-28 04:33:11,533 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:33:11,535 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:33:11,540 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:33:11,540 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:33:11,545 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:33:11,545 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:33:11" (1/1) ... [2020-11-28 04:33:11,549 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e10e18e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:11, skipping insertion in model container [2020-11-28 04:33:11,554 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:33:11" (1/1) ... [2020-11-28 04:33:11,561 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:33:11,628 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:33:11,967 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:33:11,976 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:33:12,033 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:33:12,047 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:33:12,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:12 WrapperNode [2020-11-28 04:33:12,047 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:33:12,049 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:33:12,049 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:33:12,049 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:33:12,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:12" (1/1) ... [2020-11-28 04:33:12,081 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:12" (1/1) ... [2020-11-28 04:33:12,132 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:33:12,133 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:33:12,133 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:33:12,133 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:33:12,151 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:12" (1/1) ... [2020-11-28 04:33:12,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:12" (1/1) ... [2020-11-28 04:33:12,167 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:12" (1/1) ... [2020-11-28 04:33:12,167 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:12" (1/1) ... [2020-11-28 04:33:12,177 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:12" (1/1) ... [2020-11-28 04:33:12,194 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:12" (1/1) ... [2020-11-28 04:33:12,213 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:12" (1/1) ... [2020-11-28 04:33:12,218 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:33:12,219 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:33:12,220 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:33:12,220 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:33:12,221 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_81d86eae-77ae-4310-b994-97d076af0b0e/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:33:12,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:33:12,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:33:12,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:33:12,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:33:12,415 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-28 04:33:13,241 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2020-11-28 04:33:13,242 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2020-11-28 04:33:13,637 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:33:13,638 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-28 04:33:13,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:33:13 BoogieIcfgContainer [2020-11-28 04:33:13,640 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:33:13,641 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:33:13,641 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:33:13,652 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:33:13,652 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:33:13" (1/1) ... [2020-11-28 04:33:13,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:33:13,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:13,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 127 states and 193 transitions. [2020-11-28 04:33:13,705 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 193 transitions. [2020-11-28 04:33:13,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-28 04:33:13,708 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:13,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:13,928 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 04:33:13,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:13,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 129 states and 194 transitions. [2020-11-28 04:33:13,996 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 194 transitions. [2020-11-28 04:33:13,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 04:33:13,997 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:14,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:14,106 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:33:14,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:14,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 138 states and 210 transitions. [2020-11-28 04:33:14,264 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 210 transitions. [2020-11-28 04:33:14,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 04:33:14,265 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:14,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:14,330 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:33:14,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:14,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 146 states and 233 transitions. [2020-11-28 04:33:14,517 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 233 transitions. [2020-11-28 04:33:14,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 04:33:14,518 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:14,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:14,627 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:33:15,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:15,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 171 states and 289 transitions. [2020-11-28 04:33:15,252 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 289 transitions. [2020-11-28 04:33:15,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 04:33:15,260 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:15,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:15,319 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:33:15,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:15,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 173 states and 292 transitions. [2020-11-28 04:33:15,326 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 292 transitions. [2020-11-28 04:33:15,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 04:33:15,332 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:15,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:15,449 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:33:16,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:16,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 188 states and 312 transitions. [2020-11-28 04:33:16,156 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 312 transitions. [2020-11-28 04:33:16,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 04:33:16,157 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:16,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:16,213 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:33:16,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:16,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 189 states and 313 transitions. [2020-11-28 04:33:16,244 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 313 transitions. [2020-11-28 04:33:16,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 04:33:16,245 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:16,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:16,297 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:33:16,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:16,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 190 states and 314 transitions. [2020-11-28 04:33:16,349 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 314 transitions. [2020-11-28 04:33:16,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-28 04:33:16,349 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:16,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:16,392 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:33:16,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:16,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 191 states and 315 transitions. [2020-11-28 04:33:16,427 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 315 transitions. [2020-11-28 04:33:16,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-28 04:33:16,428 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:16,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:16,477 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:33:16,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:16,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 192 states and 316 transitions. [2020-11-28 04:33:16,503 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 316 transitions. [2020-11-28 04:33:16,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-28 04:33:16,504 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:16,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:16,527 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:33:16,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:16,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 194 states and 319 transitions. [2020-11-28 04:33:16,561 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 319 transitions. [2020-11-28 04:33:16,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-28 04:33:16,561 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:16,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:16,620 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:33:17,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:17,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 205 states and 340 transitions. [2020-11-28 04:33:17,287 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 340 transitions. [2020-11-28 04:33:17,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-28 04:33:17,288 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:17,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:17,317 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:33:17,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:17,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 215 states and 351 transitions. [2020-11-28 04:33:17,779 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 351 transitions. [2020-11-28 04:33:17,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-28 04:33:17,780 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:17,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:17,864 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:33:18,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:18,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 226 states and 372 transitions. [2020-11-28 04:33:18,287 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 372 transitions. [2020-11-28 04:33:18,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-28 04:33:18,288 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:18,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:18,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-28 04:33:18,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 04:33:18,688 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-28 04:33:18,702 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:33:20,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:20,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 236 states and 400 transitions. [2020-11-28 04:33:20,089 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 400 transitions. [2020-11-28 04:33:20,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-28 04:33:20,090 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:20,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:20,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-28 04:33:20,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 04:33:20,198 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-28 04:33:20,213 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:33:20,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:20,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 237 states and 401 transitions. [2020-11-28 04:33:20,248 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 401 transitions. [2020-11-28 04:33:20,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-28 04:33:20,250 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:20,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:20,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-28 04:33:20,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 04:33:20,335 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-28 04:33:20,351 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:33:20,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:20,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 239 states and 404 transitions. [2020-11-28 04:33:20,389 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 404 transitions. [2020-11-28 04:33:20,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-28 04:33:20,390 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:20,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:20,427 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:33:21,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:21,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 242 states and 414 transitions. [2020-11-28 04:33:21,157 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 414 transitions. [2020-11-28 04:33:21,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-11-28 04:33:21,158 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:21,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:21,204 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-11-28 04:33:22,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:22,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 253 states and 431 transitions. [2020-11-28 04:33:22,264 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 431 transitions. [2020-11-28 04:33:22,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-28 04:33:22,264 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:22,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:22,383 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:33:23,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:23,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 268 states and 451 transitions. [2020-11-28 04:33:23,752 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 451 transitions. [2020-11-28 04:33:23,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-28 04:33:23,753 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:23,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:23,779 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:33:23,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:23,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 269 states and 452 transitions. [2020-11-28 04:33:23,815 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 452 transitions. [2020-11-28 04:33:23,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-28 04:33:23,816 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:23,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:24,115 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:33:26,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:26,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 283 states and 477 transitions. [2020-11-28 04:33:26,521 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 477 transitions. [2020-11-28 04:33:26,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-28 04:33:26,521 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:26,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:26,544 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:33:26,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:26,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 284 states and 478 transitions. [2020-11-28 04:33:26,587 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 478 transitions. [2020-11-28 04:33:26,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-28 04:33:26,588 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:26,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:26,612 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-11-28 04:33:27,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:27,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 298 states and 511 transitions. [2020-11-28 04:33:27,984 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 511 transitions. [2020-11-28 04:33:27,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-28 04:33:27,985 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:28,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:33:28,025 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:33:28,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:33:28,058 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:33:28,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:33:28,143 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:33:28,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:33:28,198 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:33:28,281 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 25 iterations. [2020-11-28 04:33:28,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:33:28 ImpRootNode [2020-11-28 04:33:28,416 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:33:28,417 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:33:28,417 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:33:28,417 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:33:28,418 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:33:13" (3/4) ... [2020-11-28 04:33:28,421 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 04:33:28,421 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:33:28,423 INFO L168 Benchmark]: Toolchain (without parser) took 16886.63 ms. Allocated memory was 109.1 MB in the beginning and 197.1 MB in the end (delta: 88.1 MB). Free memory was 78.6 MB in the beginning and 69.1 MB in the end (delta: 9.5 MB). Peak memory consumption was 96.8 MB. Max. memory is 16.1 GB. [2020-11-28 04:33:28,424 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 79.7 MB. Free memory was 37.6 MB in the beginning and 37.6 MB in the end (delta: 40.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:33:28,424 INFO L168 Benchmark]: CACSL2BoogieTranslator took 508.00 ms. Allocated memory is still 109.1 MB. Free memory was 78.4 MB in the beginning and 82.1 MB in the end (delta: -3.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:33:28,425 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.62 ms. Allocated memory is still 109.1 MB. Free memory was 81.7 MB in the beginning and 79.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:33:28,426 INFO L168 Benchmark]: Boogie Preprocessor took 85.90 ms. Allocated memory is still 109.1 MB. Free memory was 79.2 MB in the beginning and 77.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:33:28,427 INFO L168 Benchmark]: RCFGBuilder took 1420.71 ms. Allocated memory is still 109.1 MB. Free memory was 77.1 MB in the beginning and 57.2 MB in the end (delta: 19.9 MB). Peak memory consumption was 35.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:33:28,428 INFO L168 Benchmark]: CodeCheck took 14775.72 ms. Allocated memory was 109.1 MB in the beginning and 197.1 MB in the end (delta: 88.1 MB). Free memory was 56.6 MB in the beginning and 70.1 MB in the end (delta: -13.6 MB). Peak memory consumption was 74.8 MB. Max. memory is 16.1 GB. [2020-11-28 04:33:28,428 INFO L168 Benchmark]: Witness Printer took 4.03 ms. Allocated memory is still 197.1 MB. Free memory was 70.1 MB in the beginning and 69.1 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:33:28,435 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 127 locations, 18 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 14.6s, OverallIterations: 25, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 453953956 SDtfs, 369803146 SDslu, 408477656 SDs, 0 SdLazy, 749290440 SolverSat, 196879102 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6942 GetRequests, 6503 SyntacticMatches, 249 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18179 ImplicationChecksByTransitivity, 10.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 830 NumberOfCodeBlocks, 830 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 758 ConstructedInterpolants, 0 QuantifiedInterpolants, 57184 SizeOfPredicates, 12 NumberOfNonLiveVariables, 485 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 24 InterpolantComputations, 21 PerfectInterpolantSequences, 189/195 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 309]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseAnd at line 221. Possible FailurePath: [L631] int __retres1 ; [L11] int s__info_callback = __VERIFIER_nondet_int(); [L12] unsigned int s__in_handshake = __VERIFIER_nondet_uint(); [L13] int s__state ; [L14] int s__new_session ; [L15] int s__server ; [L16] int s__version = __VERIFIER_nondet_int(); [L17] int s__type ; [L18] int s__init_num ; [L19] int s__bbio = __VERIFIER_nondet_int(); [L20] int s__wbio = __VERIFIER_nondet_int(); [L21] int s__hit = __VERIFIER_nondet_int(); [L22] int s__rwstate ; [L23] int s__init_buf___0 ; [L24] int s__debug = __VERIFIER_nondet_int(); [L25] int s__shutdown ; [L26] int s__ctx__info_callback = __VERIFIER_nondet_int(); [L27] unsigned int s__ctx__stats__sess_connect_renegotiate = __VERIFIER_nondet_uint(); [L28] unsigned int s__ctx__stats__sess_connect ; [L29] int s__ctx__stats__sess_hit = __VERIFIER_nondet_int(); [L30] int s__ctx__stats__sess_connect_good = __VERIFIER_nondet_int(); [L31] int s__s3__change_cipher_spec ; [L32] int s__s3__flags ; [L33] int s__s3__delay_buf_pop_ret ; [L34] int s__s3__tmp__cert_req = __VERIFIER_nondet_int(); [L35] int s__s3__tmp__new_compression = __VERIFIER_nondet_int(); [L36] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int(); [L37] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int(); [L38] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int(); [L39] int s__s3__tmp__next_state___0 ; [L40] int s__s3__tmp__new_compression__id = __VERIFIER_nondet_int(); [L41] int s__session__cipher ; [L42] int s__session__compress_meth ; [L43] int buf ; [L44] unsigned long tmp ; [L45] unsigned long l ; [L46] int num1 ; [L47] int cb ; [L48] int ret ; [L49] int new_state ; [L50] int state ; [L51] int skip ; [L52] int tmp___0 ; [L53] int tmp___1 ; [L54] int tmp___2 ; [L55] int tmp___3 ; [L56] int tmp___4 ; [L57] int tmp___5 ; [L58] int tmp___6 = __VERIFIER_nondet_int(); [L59] int tmp___7 = __VERIFIER_nondet_int(); [L60] int tmp___8 = __VERIFIER_nondet_int(); [L61] int tmp___9 = __VERIFIER_nondet_int(); [L62] int blastFlag ; [L63] int ag_X ; [L64] int ag_Y ; [L65] int ag_Z ; [L66] unsigned int ag_V ; [L67] unsigned int ag_W ; [L68] int __retres62 ; [L71] ag_V = 2U [L72] ag_W = 5U [L73] s__state = 12292 [L74] blastFlag = 0 [L75] tmp = __VERIFIER_nondet_int() [L76] cb = 0 [L77] ret = -1 [L78] skip = 0 [L79] tmp___0 = 0 [L80] COND 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 [L580] COND FALSE !(! s__s3__tmp__reuse_message) [L609] skip = 0 [L102] COND TRUE 1 [L104] state = s__state [L105] COND FALSE !(s__state == 12292) [L108] COND FALSE !(s__state == 16384) [L111] COND FALSE !(s__state == 4096) [L114] COND FALSE !(s__state == 20480) [L117] COND FALSE !(s__state == 4099) [L120] COND TRUE s__state == 4368 [L267] s__shutdown = 0 [L268] ret = __VERIFIER_nondet_int() [L269] COND TRUE blastFlag == 0 [L270] blastFlag = 1 [L274] COND FALSE !(ret <= 0) [L279] s__state = 4384 [L280] s__init_num = 0 [L281] COND TRUE s__bbio != s__wbio [L580] COND FALSE !(! s__s3__tmp__reuse_message) [L609] skip = 0 [L102] COND TRUE 1 [L104] state = s__state [L105] COND FALSE !(s__state == 12292) [L108] COND FALSE !(s__state == 16384) [L111] COND FALSE !(s__state == 4096) [L114] COND FALSE !(s__state == 20480) [L117] COND FALSE !(s__state == 4099) [L120] COND FALSE !(s__state == 4368) [L123] COND FALSE !(s__state == 4369) [L126] COND TRUE s__state == 4384 [L289] ret = __VERIFIER_nondet_int() [L290] COND TRUE blastFlag == 1 [L291] blastFlag = 2 [L295] COND FALSE !(ret <= 0) [L300] COND FALSE !(\read(s__hit)) [L303] s__state = 4400 [L305] s__init_num = 0 [L580] COND FALSE !(! s__s3__tmp__reuse_message) [L609] skip = 0 [L102] COND TRUE 1 [L104] state = s__state [L105] COND FALSE !(s__state == 12292) [L108] COND FALSE !(s__state == 16384) [L111] COND FALSE !(s__state == 4096) [L114] COND FALSE !(s__state == 20480) [L117] COND FALSE !(s__state == 4099) [L120] COND FALSE !(s__state == 4368) [L123] COND FALSE !(s__state == 4369) [L126] COND FALSE !(s__state == 4384) [L129] COND FALSE !(s__state == 4385) [L132] COND TRUE s__state == 4400 [L309] s__s3__tmp__new_cipher__algorithms - 256 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 79.7 MB. Free memory was 37.6 MB in the beginning and 37.6 MB in the end (delta: 40.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 508.00 ms. Allocated memory is still 109.1 MB. Free memory was 78.4 MB in the beginning and 82.1 MB in the end (delta: -3.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 83.62 ms. Allocated memory is still 109.1 MB. Free memory was 81.7 MB in the beginning and 79.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 85.90 ms. Allocated memory is still 109.1 MB. Free memory was 79.2 MB in the beginning and 77.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1420.71 ms. Allocated memory is still 109.1 MB. Free memory was 77.1 MB in the beginning and 57.2 MB in the end (delta: 19.9 MB). Peak memory consumption was 35.5 MB. Max. memory is 16.1 GB. * CodeCheck took 14775.72 ms. Allocated memory was 109.1 MB in the beginning and 197.1 MB in the end (delta: 88.1 MB). Free memory was 56.6 MB in the beginning and 70.1 MB in the end (delta: -13.6 MB). Peak memory consumption was 74.8 MB. Max. memory is 16.1 GB. * Witness Printer took 4.03 ms. Allocated memory is still 197.1 MB. Free memory was 70.1 MB in the beginning and 69.1 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...