/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ssh/s3_srvr.blast.01.i.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 10:00:31,980 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 10:00:31,983 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 10:00:32,026 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 10:00:32,026 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 10:00:32,035 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 10:00:32,036 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 10:00:32,040 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 10:00:32,043 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 10:00:32,045 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 10:00:32,046 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 10:00:32,047 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 10:00:32,047 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 10:00:32,050 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 10:00:32,054 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 10:00:32,055 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 10:00:32,057 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 10:00:32,058 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 10:00:32,059 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 10:00:32,068 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 10:00:32,070 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 10:00:32,071 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 10:00:32,072 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 10:00:32,073 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 10:00:32,089 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 10:00:32,090 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 10:00:32,090 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 10:00:32,091 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 10:00:32,094 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 10:00:32,095 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 10:00:32,095 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 10:00:32,096 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 10:00:32,097 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 10:00:32,097 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 10:00:32,101 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 10:00:32,101 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 10:00:32,102 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 10:00:32,102 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 10:00:32,103 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 10:00:32,103 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 10:00:32,105 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 10:00:32,106 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-14 10:00:32,131 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 10:00:32,131 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 10:00:32,132 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 10:00:32,132 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 10:00:32,133 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 10:00:32,133 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 10:00:32,133 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 10:00:32,133 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 10:00:32,133 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 10:00:32,134 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 10:00:32,134 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 10:00:32,134 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 10:00:32,134 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 10:00:32,134 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 10:00:32,135 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 10:00:32,135 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 10:00:32,135 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 10:00:32,135 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 10:00:32,135 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 10:00:32,136 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 10:00:32,136 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 10:00:32,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 10:00:32,136 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 10:00:32,137 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 10:00:32,137 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 10:00:32,137 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 10:00:32,137 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 10:00:32,137 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 10:00:32,138 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 10:00:32,138 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 10:00:32,453 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 10:00:32,469 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 10:00:32,473 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 10:00:32,475 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 10:00:32,475 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 10:00:32,476 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh/s3_srvr.blast.01.i.cil-2.c [2020-10-14 10:00:32,540 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/749b2ce77/3f7db52b82394a99aff38ecbee94941f/FLAG8927b6447 [2020-10-14 10:00:33,155 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 10:00:33,159 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ssh/s3_srvr.blast.01.i.cil-2.c [2020-10-14 10:00:33,190 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/749b2ce77/3f7db52b82394a99aff38ecbee94941f/FLAG8927b6447 [2020-10-14 10:00:33,329 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/749b2ce77/3f7db52b82394a99aff38ecbee94941f [2020-10-14 10:00:33,337 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 10:00:33,339 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 10:00:33,341 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 10:00:33,341 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 10:00:33,344 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 10:00:33,345 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:00:33" (1/1) ... [2020-10-14 10:00:33,348 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bfaad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:00:33, skipping insertion in model container [2020-10-14 10:00:33,349 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:00:33" (1/1) ... [2020-10-14 10:00:33,357 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 10:00:33,413 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 10:00:33,992 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 10:00:34,009 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 10:00:34,219 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 10:00:34,253 INFO L208 MainTranslator]: Completed translation [2020-10-14 10:00:34,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:00:34 WrapperNode [2020-10-14 10:00:34,253 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 10:00:34,254 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 10:00:34,254 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 10:00:34,255 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 10:00:34,269 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:00:34" (1/1) ... [2020-10-14 10:00:34,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:00:34" (1/1) ... [2020-10-14 10:00:34,296 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:00:34" (1/1) ... [2020-10-14 10:00:34,297 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:00:34" (1/1) ... [2020-10-14 10:00:34,360 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:00:34" (1/1) ... [2020-10-14 10:00:34,373 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:00:34" (1/1) ... [2020-10-14 10:00:34,379 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:00:34" (1/1) ... [2020-10-14 10:00:34,393 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 10:00:34,397 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 10:00:34,397 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 10:00:34,398 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 10:00:34,399 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:00:34" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/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 [2020-10-14 10:00:34,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 10:00:34,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 10:00:34,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_get_server_method [2020-10-14 10:00:34,513 INFO L138 BoogieDeclarations]: Found implementation of procedure SSLv3_server_method [2020-10-14 10:00:34,514 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 10:00:34,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2020-10-14 10:00:34,514 INFO L138 BoogieDeclarations]: Found implementation of procedure sslv3_base_method [2020-10-14 10:00:34,516 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-14 10:00:34,516 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-14 10:00:34,516 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 10:00:34,516 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 10:00:34,517 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-14 10:00:34,517 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 10:00:34,517 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-14 10:00:34,517 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-14 10:00:34,518 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-14 10:00:34,518 INFO L130 BoogieDeclarations]: Found specification of procedure SSLv3_server_method [2020-10-14 10:00:34,518 INFO L130 BoogieDeclarations]: Found specification of procedure sslv3_base_method [2020-10-14 10:00:34,519 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2020-10-14 10:00:34,519 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_get_server_method [2020-10-14 10:00:34,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-14 10:00:34,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 10:00:34,521 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 10:00:34,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 10:00:34,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 10:00:34,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 10:00:34,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 10:00:34,523 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-14 10:00:34,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-14 10:00:34,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 10:00:34,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 10:00:34,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 10:00:34,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-14 10:00:34,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-14 10:00:34,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-14 10:00:34,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-14 10:00:34,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 10:00:35,169 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-14 10:00:35,901 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##87: assume false; [2020-10-14 10:00:35,901 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume !false; [2020-10-14 10:00:35,927 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 10:00:35,927 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 10:00:35,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:00:35 BoogieIcfgContainer [2020-10-14 10:00:35,933 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 10:00:35,934 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 10:00:35,935 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 10:00:35,938 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 10:00:35,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 10:00:33" (1/3) ... [2020-10-14 10:00:35,939 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e291274 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:00:35, skipping insertion in model container [2020-10-14 10:00:35,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:00:34" (2/3) ... [2020-10-14 10:00:35,940 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e291274 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:00:35, skipping insertion in model container [2020-10-14 10:00:35,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:00:35" (3/3) ... [2020-10-14 10:00:35,942 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.01.i.cil-2.c [2020-10-14 10:00:35,953 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 10:00:35,962 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 10:00:35,977 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 10:00:36,003 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 10:00:36,004 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 10:00:36,004 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 10:00:36,004 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 10:00:36,004 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 10:00:36,004 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 10:00:36,005 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 10:00:36,005 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 10:00:36,030 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states. [2020-10-14 10:00:36,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-14 10:00:36,042 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:00:36,043 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:00:36,043 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:00:36,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:00:36,050 INFO L82 PathProgramCache]: Analyzing trace with hash -1799616284, now seen corresponding path program 1 times [2020-10-14 10:00:36,059 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:00:36,060 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1908976112] [2020-10-14 10:00:36,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:00:36,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:00:36,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:00:36,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:00:36,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:00:37,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:00:37,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-14 10:00:37,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 10:00:37,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 861 [2020-10-14 10:00:37,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:00:37,143 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:00:37,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:00:37,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 10:00:37,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-14 10:00:37,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 10:00:37,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:00:37,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:00:37,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:00:37,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:00:37,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:00:37,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:00:37,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 10:00:37,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:00:37,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:00:37,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:00:37,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:00:37,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:00:37,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:00:37,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 10:00:37,325 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1908976112] [2020-10-14 10:00:37,328 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:00:37,328 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 10:00:37,329 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571063825] [2020-10-14 10:00:37,337 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 10:00:37,338 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:00:37,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 10:00:37,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 10:00:37,357 INFO L87 Difference]: Start difference. First operand 154 states. Second operand 4 states. [2020-10-14 10:00:38,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:00:38,266 INFO L93 Difference]: Finished difference Result 427 states and 714 transitions. [2020-10-14 10:00:38,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-14 10:00:38,268 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-10-14 10:00:38,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:00:38,284 INFO L225 Difference]: With dead ends: 427 [2020-10-14 10:00:38,285 INFO L226 Difference]: Without dead ends: 260 [2020-10-14 10:00:38,289 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 10:00:38,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2020-10-14 10:00:38,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 260. [2020-10-14 10:00:38,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2020-10-14 10:00:38,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 389 transitions. [2020-10-14 10:00:38,356 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 389 transitions. Word has length 51 [2020-10-14 10:00:38,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:00:38,357 INFO L479 AbstractCegarLoop]: Abstraction has 260 states and 389 transitions. [2020-10-14 10:00:38,357 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 10:00:38,358 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 389 transitions. [2020-10-14 10:00:38,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-10-14 10:00:38,362 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:00:38,362 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:00:38,363 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 10:00:38,363 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:00:38,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:00:38,363 INFO L82 PathProgramCache]: Analyzing trace with hash 1537343906, now seen corresponding path program 1 times [2020-10-14 10:00:38,364 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:00:38,364 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1983074095] [2020-10-14 10:00:38,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:00:38,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:00:38,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:00:38,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:00:38,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:00:39,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:00:39,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-14 10:00:39,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 10:00:39,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 622 [2020-10-14 10:00:39,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:00:39,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:00:39,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:00:39,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-14 10:00:39,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-14 10:00:39,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:00:39,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:00:39,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:00:39,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:00:39,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:00:39,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:00:39,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:00:39,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 10:00:39,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:00:39,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:00:39,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:00:39,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:00:39,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:00:39,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:00:39,143 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 10:00:39,144 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1983074095] [2020-10-14 10:00:39,144 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:00:39,144 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 10:00:39,145 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135038145] [2020-10-14 10:00:39,147 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 10:00:39,147 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:00:39,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 10:00:39,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 10:00:39,148 INFO L87 Difference]: Start difference. First operand 260 states and 389 transitions. Second operand 4 states. [2020-10-14 10:00:39,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:00:39,725 INFO L93 Difference]: Finished difference Result 506 states and 766 transitions. [2020-10-14 10:00:39,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-14 10:00:39,726 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 68 [2020-10-14 10:00:39,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:00:39,730 INFO L225 Difference]: With dead ends: 506 [2020-10-14 10:00:39,730 INFO L226 Difference]: Without dead ends: 382 [2020-10-14 10:00:39,732 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 10:00:39,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2020-10-14 10:00:39,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 382. [2020-10-14 10:00:39,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2020-10-14 10:00:39,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 573 transitions. [2020-10-14 10:00:39,760 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 573 transitions. Word has length 68 [2020-10-14 10:00:39,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:00:39,761 INFO L479 AbstractCegarLoop]: Abstraction has 382 states and 573 transitions. [2020-10-14 10:00:39,761 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 10:00:39,761 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 573 transitions. [2020-10-14 10:00:39,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-14 10:00:39,767 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:00:39,767 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:00:39,767 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 10:00:39,768 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:00:39,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:00:39,768 INFO L82 PathProgramCache]: Analyzing trace with hash 100360610, now seen corresponding path program 1 times [2020-10-14 10:00:39,768 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:00:39,769 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [414257202] [2020-10-14 10:00:39,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:00:39,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:00:39,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:00:39,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:00:40,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:00:41,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:00:41,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-14 10:00:41,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 10:00:41,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1518 [2020-10-14 10:00:41,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:00:41,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:00:41,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:00:41,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-10-14 10:00:41,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-14 10:00:41,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:00:41,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:00:41,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:00:41,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:00:41,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:00:41,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:00:41,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:00:41,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 10:00:41,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:00:41,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:00:41,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:00:41,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:00:41,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:00:41,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:00:41,440 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-14 10:00:41,440 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [414257202] [2020-10-14 10:00:41,441 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:00:41,441 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 10:00:41,441 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463381449] [2020-10-14 10:00:41,442 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 10:00:41,442 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:00:41,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 10:00:41,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 10:00:41,443 INFO L87 Difference]: Start difference. First operand 382 states and 573 transitions. Second operand 4 states. [2020-10-14 10:00:42,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:00:42,003 INFO L93 Difference]: Finished difference Result 750 states and 1134 transitions. [2020-10-14 10:00:42,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-14 10:00:42,004 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 90 [2020-10-14 10:00:42,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:00:42,008 INFO L225 Difference]: With dead ends: 750 [2020-10-14 10:00:42,008 INFO L226 Difference]: Without dead ends: 504 [2020-10-14 10:00:42,009 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 10:00:42,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2020-10-14 10:00:42,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 504. [2020-10-14 10:00:42,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 504 states. [2020-10-14 10:00:42,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 758 transitions. [2020-10-14 10:00:42,031 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 758 transitions. Word has length 90 [2020-10-14 10:00:42,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:00:42,031 INFO L479 AbstractCegarLoop]: Abstraction has 504 states and 758 transitions. [2020-10-14 10:00:42,032 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 10:00:42,032 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 758 transitions. [2020-10-14 10:00:42,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-10-14 10:00:42,037 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:00:42,037 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:00:42,037 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 10:00:42,038 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:00:42,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:00:42,038 INFO L82 PathProgramCache]: Analyzing trace with hash -463391772, now seen corresponding path program 1 times [2020-10-14 10:00:42,038 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:00:42,039 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [560204521] [2020-10-14 10:00:42,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:00:42,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:00:42,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:00:42,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:00:42,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-14 10:00:42,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:00:42,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 405 [2020-10-14 10:00:42,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:00:42,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:00:42,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:00:42,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 95 [2020-10-14 10:00:42,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-14 10:00:42,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:00:42,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:00:42,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:00:42,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:00:42,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:00:42,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:00:42,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:00:42,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 10:00:42,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:00:42,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:00:42,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:00:42,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:00:42,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:00:42,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:00:42,643 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2020-10-14 10:00:42,644 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [560204521] [2020-10-14 10:00:42,644 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:00:42,645 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 10:00:42,645 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947890412] [2020-10-14 10:00:42,646 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 10:00:42,647 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:00:42,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 10:00:42,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 10:00:42,647 INFO L87 Difference]: Start difference. First operand 504 states and 758 transitions. Second operand 4 states. [2020-10-14 10:00:43,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:00:43,501 INFO L93 Difference]: Finished difference Result 872 states and 1316 transitions. [2020-10-14 10:00:43,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-14 10:00:43,501 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 131 [2020-10-14 10:00:43,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:00:43,506 INFO L225 Difference]: With dead ends: 872 [2020-10-14 10:00:43,506 INFO L226 Difference]: Without dead ends: 504 [2020-10-14 10:00:43,507 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 10:00:43,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2020-10-14 10:00:43,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 504. [2020-10-14 10:00:43,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 504 states. [2020-10-14 10:00:43,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 753 transitions. [2020-10-14 10:00:43,525 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 753 transitions. Word has length 131 [2020-10-14 10:00:43,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:00:43,527 INFO L479 AbstractCegarLoop]: Abstraction has 504 states and 753 transitions. [2020-10-14 10:00:43,527 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 10:00:43,527 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 753 transitions. [2020-10-14 10:00:43,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-14 10:00:43,535 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:00:43,536 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:00:43,536 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 10:00:43,536 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:00:43,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:00:43,537 INFO L82 PathProgramCache]: Analyzing trace with hash -1480243064, now seen corresponding path program 1 times [2020-10-14 10:00:43,537 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:00:43,537 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [185282726] [2020-10-14 10:00:43,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:00:43,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-14 10:00:43,622 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-14 10:00:43,622 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-14 10:00:43,628 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 10:00:43,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 10:00:43 BoogieIcfgContainer [2020-10-14 10:00:43,706 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 10:00:43,710 INFO L168 Benchmark]: Toolchain (without parser) took 10369.92 ms. Allocated memory was 147.8 MB in the beginning and 319.8 MB in the end (delta: 172.0 MB). Free memory was 102.0 MB in the beginning and 85.4 MB in the end (delta: 16.5 MB). Peak memory consumption was 188.5 MB. Max. memory is 7.1 GB. [2020-10-14 10:00:43,711 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.0 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB. [2020-10-14 10:00:43,715 INFO L168 Benchmark]: CACSL2BoogieTranslator took 913.35 ms. Allocated memory was 147.8 MB in the beginning and 206.6 MB in the end (delta: 58.7 MB). Free memory was 101.5 MB in the beginning and 166.7 MB in the end (delta: -65.2 MB). Peak memory consumption was 28.3 MB. Max. memory is 7.1 GB. [2020-10-14 10:00:43,717 INFO L168 Benchmark]: Boogie Preprocessor took 139.45 ms. Allocated memory is still 206.6 MB. Free memory was 166.7 MB in the beginning and 158.6 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 7.1 GB. [2020-10-14 10:00:43,718 INFO L168 Benchmark]: RCFGBuilder took 1536.08 ms. Allocated memory was 206.6 MB in the beginning and 237.0 MB in the end (delta: 30.4 MB). Free memory was 158.6 MB in the beginning and 174.1 MB in the end (delta: -15.5 MB). Peak memory consumption was 73.8 MB. Max. memory is 7.1 GB. [2020-10-14 10:00:43,720 INFO L168 Benchmark]: TraceAbstraction took 7772.07 ms. Allocated memory was 237.0 MB in the beginning and 319.8 MB in the end (delta: 82.8 MB). Free memory was 174.1 MB in the beginning and 85.4 MB in the end (delta: 88.7 MB). Peak memory consumption was 171.5 MB. Max. memory is 7.1 GB. [2020-10-14 10:00:43,743 INFO L336 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 147.8 MB. Free memory was 122.4 MB in the beginning and 122.0 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 913.35 ms. Allocated memory was 147.8 MB in the beginning and 206.6 MB in the end (delta: 58.7 MB). Free memory was 101.5 MB in the beginning and 166.7 MB in the end (delta: -65.2 MB). Peak memory consumption was 28.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 139.45 ms. Allocated memory is still 206.6 MB. Free memory was 166.7 MB in the beginning and 158.6 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1536.08 ms. Allocated memory was 206.6 MB in the beginning and 237.0 MB in the end (delta: 30.4 MB). Free memory was 158.6 MB in the beginning and 174.1 MB in the end (delta: -15.5 MB). Peak memory consumption was 73.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 7772.07 ms. Allocated memory was 237.0 MB in the beginning and 319.8 MB in the end (delta: 82.8 MB). Free memory was 174.1 MB in the beginning and 85.4 MB in the end (delta: 88.7 MB). Peak memory consumption was 171.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 1706]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseAnd at line 1120. Possible FailurePath: [L1042] static int init = 1; [L1043] static SSL_METHOD SSLv3_server_data ; [L1065] SSL *s ; [L1066] int tmp ; [L1070] s = malloc(sizeof(SSL)) [L1071] s->s3 = malloc(sizeof(struct ssl3_state_st)) [L1072] s->ctx = malloc(sizeof(SSL_CTX)) [L1073] s->session = malloc(sizeof(SSL_SESSION)) [L1074] s->state = 8464 [L1075] CALL ssl3_accept(s) [L1081] BUF_MEM *buf = (BUF_MEM *)__VERIFIER_nondet_ulong(); [L1082] unsigned long l ; [L1083] unsigned long Time ; [L1084] unsigned long tmp = __VERIFIER_nondet_long() ; [L1085] void (*cb)() ; [L1086] long num1 ; [L1087] int ret ; [L1088] int new_state ; [L1089] int state ; [L1090] int skip ; [L1091] int got_new_session ; [L1092] int tmp___1 = __VERIFIER_nondet_int() ; [L1093] int tmp___2 = __VERIFIER_nondet_int() ; [L1094] int tmp___3 ; [L1095] int tmp___4 ; [L1096] int tmp___5 ; [L1097] int tmp___6 ; [L1098] int tmp___7 ; [L1099] long tmp___8 = __VERIFIER_nondet_long() ; [L1100] int tmp___9 ; [L1101] int tmp___10 ; [L1102] int blastFlag ; [L1106] blastFlag = 0 [L1107] s->hit=__VERIFIER_nondet_int () [L1108] s->state = 8464 [L1109] Time = tmp [L1110] cb = (void (*)())((void *)0) [L1111] ret = -1 [L1112] skip = 0 [L1113] got_new_session = 0 [L1114] EXPR s->info_callback [L1114] COND TRUE (unsigned long )s->info_callback != (unsigned long )((void *)0) [L1115] EXPR s->info_callback [L1115] cb = s->info_callback [L1119] EXPR s->in_handshake [L1119] s->in_handshake += 1 [L1120] COND FALSE !(tmp___1 & 12288) [L1129] EXPR s->cert [L1129] COND FALSE !((unsigned long )s->cert == (unsigned long )((void *)0)) [L1135] COND TRUE 1 [L1137] EXPR s->state [L1137] state = s->state [L1138] EXPR s->state [L1138] COND FALSE !(s->state == 12292) [L1141] EXPR s->state [L1141] COND FALSE !(s->state == 16384) [L1144] EXPR s->state [L1144] COND FALSE !(s->state == 8192) [L1147] EXPR s->state [L1147] COND FALSE !(s->state == 24576) [L1150] EXPR s->state [L1150] COND FALSE !(s->state == 8195) [L1153] EXPR s->state [L1153] COND FALSE !(s->state == 8480) [L1156] EXPR s->state [L1156] COND FALSE !(s->state == 8481) [L1159] EXPR s->state [L1159] COND FALSE !(s->state == 8482) [L1162] EXPR s->state [L1162] COND TRUE s->state == 8464 [L1318] s->shutdown = 0 [L1319] ret = __VERIFIER_nondet_int() [L1320] COND TRUE blastFlag == 0 [L1321] blastFlag = 1 [L1325] COND FALSE !(ret <= 0) [L1330] got_new_session = 1 [L1331] s->state = 8496 [L1332] s->init_num = 0 [L1665] EXPR s->s3 [L1665] EXPR (s->s3)->tmp.reuse_message [L1665] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1694] skip = 0 [L1135] COND TRUE 1 [L1137] EXPR s->state [L1137] state = s->state [L1138] EXPR s->state [L1138] COND FALSE !(s->state == 12292) [L1141] EXPR s->state [L1141] COND FALSE !(s->state == 16384) [L1144] EXPR s->state [L1144] COND FALSE !(s->state == 8192) [L1147] EXPR s->state [L1147] COND FALSE !(s->state == 24576) [L1150] EXPR s->state [L1150] COND FALSE !(s->state == 8195) [L1153] EXPR s->state [L1153] COND FALSE !(s->state == 8480) [L1156] EXPR s->state [L1156] COND FALSE !(s->state == 8481) [L1159] EXPR s->state [L1159] COND FALSE !(s->state == 8482) [L1162] EXPR s->state [L1162] COND FALSE !(s->state == 8464) [L1165] EXPR s->state [L1165] COND FALSE !(s->state == 8465) [L1168] EXPR s->state [L1168] COND FALSE !(s->state == 8466) [L1171] EXPR s->state [L1171] COND TRUE s->state == 8496 [L1336] ret = __VERIFIER_nondet_int() [L1337] COND TRUE blastFlag == 1 [L1338] blastFlag = 2 [L1342] COND FALSE !(ret <= 0) [L1347] s->hit [L1347] COND TRUE s->hit [L1348] s->state = 8656 [L1352] s->init_num = 0 [L1665] EXPR s->s3 [L1665] EXPR (s->s3)->tmp.reuse_message [L1665] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1694] skip = 0 [L1135] COND TRUE 1 [L1137] EXPR s->state [L1137] state = s->state [L1138] EXPR s->state [L1138] COND FALSE !(s->state == 12292) [L1141] EXPR s->state [L1141] COND FALSE !(s->state == 16384) [L1144] EXPR s->state [L1144] COND FALSE !(s->state == 8192) [L1147] EXPR s->state [L1147] COND FALSE !(s->state == 24576) [L1150] EXPR s->state [L1150] COND FALSE !(s->state == 8195) [L1153] EXPR s->state [L1153] COND FALSE !(s->state == 8480) [L1156] EXPR s->state [L1156] COND FALSE !(s->state == 8481) [L1159] EXPR s->state [L1159] COND FALSE !(s->state == 8482) [L1162] EXPR s->state [L1162] COND FALSE !(s->state == 8464) [L1165] EXPR s->state [L1165] COND FALSE !(s->state == 8465) [L1168] EXPR s->state [L1168] COND FALSE !(s->state == 8466) [L1171] EXPR s->state [L1171] COND FALSE !(s->state == 8496) [L1174] EXPR s->state [L1174] COND FALSE !(s->state == 8497) [L1177] EXPR s->state [L1177] COND FALSE !(s->state == 8512) [L1180] EXPR s->state [L1180] COND FALSE !(s->state == 8513) [L1183] EXPR s->state [L1183] COND FALSE !(s->state == 8528) [L1186] EXPR s->state [L1186] COND FALSE !(s->state == 8529) [L1189] EXPR s->state [L1189] COND FALSE !(s->state == 8544) [L1192] EXPR s->state [L1192] COND FALSE !(s->state == 8545) [L1195] EXPR s->state [L1195] COND FALSE !(s->state == 8560) [L1198] EXPR s->state [L1198] COND FALSE !(s->state == 8561) [L1201] EXPR s->state [L1201] COND FALSE !(s->state == 8448) [L1204] EXPR s->state [L1204] COND FALSE !(s->state == 8576) [L1207] EXPR s->state [L1207] COND FALSE !(s->state == 8577) [L1210] EXPR s->state [L1210] COND FALSE !(s->state == 8592) [L1213] EXPR s->state [L1213] COND FALSE !(s->state == 8593) [L1216] EXPR s->state [L1216] COND FALSE !(s->state == 8608) [L1219] EXPR s->state [L1219] COND FALSE !(s->state == 8609) [L1222] EXPR s->state [L1222] COND FALSE !(s->state == 8640) [L1225] EXPR s->state [L1225] COND FALSE !(s->state == 8641) [L1228] EXPR s->state [L1228] COND TRUE s->state == 8656 [L1552] EXPR s->session [L1552] EXPR s->s3 [L1552] EXPR (s->s3)->tmp.new_cipher [L1552] (s->session)->cipher = (s->s3)->tmp.new_cipher [L1553] tmp___9 = __VERIFIER_nondet_int() [L1554] COND FALSE !(! tmp___9) [L1560] ret = __VERIFIER_nondet_int() [L1561] COND TRUE blastFlag == 2 [L1562] blastFlag = 5 [L1566] COND FALSE !(ret <= 0) [L1571] s->state = 8672 [L1572] s->init_num = 0 [L1573] tmp___10 = __VERIFIER_nondet_int() [L1574] COND FALSE !(! tmp___10) [L1665] EXPR s->s3 [L1665] EXPR (s->s3)->tmp.reuse_message [L1665] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1694] skip = 0 [L1135] COND TRUE 1 [L1137] EXPR s->state [L1137] state = s->state [L1138] EXPR s->state [L1138] COND FALSE !(s->state == 12292) [L1141] EXPR s->state [L1141] COND FALSE !(s->state == 16384) [L1144] EXPR s->state [L1144] COND FALSE !(s->state == 8192) [L1147] EXPR s->state [L1147] COND FALSE !(s->state == 24576) [L1150] EXPR s->state [L1150] COND FALSE !(s->state == 8195) [L1153] EXPR s->state [L1153] COND FALSE !(s->state == 8480) [L1156] EXPR s->state [L1156] COND FALSE !(s->state == 8481) [L1159] EXPR s->state [L1159] COND FALSE !(s->state == 8482) [L1162] EXPR s->state [L1162] COND FALSE !(s->state == 8464) [L1165] EXPR s->state [L1165] COND FALSE !(s->state == 8465) [L1168] EXPR s->state [L1168] COND FALSE !(s->state == 8466) [L1171] EXPR s->state [L1171] COND FALSE !(s->state == 8496) [L1174] EXPR s->state [L1174] COND FALSE !(s->state == 8497) [L1177] EXPR s->state [L1177] COND FALSE !(s->state == 8512) [L1180] EXPR s->state [L1180] COND FALSE !(s->state == 8513) [L1183] EXPR s->state [L1183] COND FALSE !(s->state == 8528) [L1186] EXPR s->state [L1186] COND FALSE !(s->state == 8529) [L1189] EXPR s->state [L1189] COND FALSE !(s->state == 8544) [L1192] EXPR s->state [L1192] COND FALSE !(s->state == 8545) [L1195] EXPR s->state [L1195] COND FALSE !(s->state == 8560) [L1198] EXPR s->state [L1198] COND FALSE !(s->state == 8561) [L1201] EXPR s->state [L1201] COND FALSE !(s->state == 8448) [L1204] EXPR s->state [L1204] COND FALSE !(s->state == 8576) [L1207] EXPR s->state [L1207] COND FALSE !(s->state == 8577) [L1210] EXPR s->state [L1210] COND FALSE !(s->state == 8592) [L1213] EXPR s->state [L1213] COND FALSE !(s->state == 8593) [L1216] EXPR s->state [L1216] COND FALSE !(s->state == 8608) [L1219] EXPR s->state [L1219] COND FALSE !(s->state == 8609) [L1222] EXPR s->state [L1222] COND FALSE !(s->state == 8640) [L1225] EXPR s->state [L1225] COND FALSE !(s->state == 8641) [L1228] EXPR s->state [L1228] COND FALSE !(s->state == 8656) [L1231] EXPR s->state [L1231] COND FALSE !(s->state == 8657) [L1234] EXPR s->state [L1234] COND TRUE s->state == 8672 [L1583] ret = __VERIFIER_nondet_int() [L1584] COND FALSE !(blastFlag == 4) [L1587] COND TRUE blastFlag == 5 [L1706] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 182 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 7.6s, OverallIterations: 5, TraceHistogramMax: 4, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1006 SDtfs, 631 SDslu, 789 SDs, 0 SdLazy, 1119 SolverSat, 25 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=504occurred 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 472 NumberOfCodeBlocks, 472 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 336 ConstructedInterpolants, 0 QuantifiedInterpolants, 70158 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 153/153 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...