/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ssh-simplified/s3_srvr_14.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 17:12:01,088 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 17:12:01,092 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 17:12:01,111 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 17:12:01,112 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 17:12:01,114 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 17:12:01,116 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 17:12:01,120 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 17:12:01,123 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 17:12:01,124 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 17:12:01,126 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 17:12:01,128 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 17:12:01,129 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 17:12:01,130 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 17:12:01,132 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 17:12:01,134 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 17:12:01,136 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 17:12:01,137 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 17:12:01,139 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 17:12:01,142 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 17:12:01,145 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 17:12:01,146 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 17:12:01,148 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 17:12:01,149 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 17:12:01,152 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 17:12:01,153 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 17:12:01,153 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 17:12:01,154 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 17:12:01,155 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 17:12:01,157 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 17:12:01,157 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 17:12:01,162 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 17:12:01,164 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 17:12:01,167 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 17:12:01,170 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 17:12:01,170 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 17:12:01,171 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 17:12:01,171 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 17:12:01,173 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 17:12:01,175 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 17:12:01,177 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 17:12:01,178 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 17:12:01,218 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 17:12:01,218 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 17:12:01,223 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 17:12:01,223 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 17:12:01,224 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 17:12:01,224 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 17:12:01,224 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 17:12:01,224 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 17:12:01,225 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 17:12:01,225 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 17:12:01,227 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 17:12:01,227 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 17:12:01,228 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 17:12:01,229 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 17:12:01,229 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 17:12:01,229 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 17:12:01,230 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 17:12:01,230 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 17:12:01,230 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 17:12:01,230 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 17:12:01,231 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 17:12:01,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 17:12:01,231 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 17:12:01,231 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 17:12:01,231 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 17:12:01,232 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 17:12:01,232 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:12:01,232 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 17:12:01,233 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 17:12:01,233 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 -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-20 17:12:01,643 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 17:12:01,667 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 17:12:01,674 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 17:12:01,677 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 17:12:01,678 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 17:12:01,679 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh-simplified/s3_srvr_14.cil.c [2020-07-20 17:12:01,804 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e911ddc1/df698b64b5394636bd1abbab85151419/FLAG7a065f372 [2020-07-20 17:12:02,662 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 17:12:02,664 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ssh-simplified/s3_srvr_14.cil.c [2020-07-20 17:12:02,683 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e911ddc1/df698b64b5394636bd1abbab85151419/FLAG7a065f372 [2020-07-20 17:12:02,894 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e911ddc1/df698b64b5394636bd1abbab85151419 [2020-07-20 17:12:02,913 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 17:12:02,918 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 17:12:02,920 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 17:12:02,921 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 17:12:02,927 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 17:12:02,929 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:12:02" (1/1) ... [2020-07-20 17:12:02,934 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4710a171 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:12:02, skipping insertion in model container [2020-07-20 17:12:02,935 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:12:02" (1/1) ... [2020-07-20 17:12:02,949 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 17:12:03,035 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 17:12:03,411 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 17:12:03,420 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 17:12:03,692 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 17:12:03,717 INFO L208 MainTranslator]: Completed translation [2020-07-20 17:12:03,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:12:03 WrapperNode [2020-07-20 17:12:03,718 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 17:12:03,721 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 17:12:03,721 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 17:12:03,721 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 17:12:03,746 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:12:03" (1/1) ... [2020-07-20 17:12:03,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:12:03" (1/1) ... [2020-07-20 17:12:03,762 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:12:03" (1/1) ... [2020-07-20 17:12:03,763 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:12:03" (1/1) ... [2020-07-20 17:12:03,781 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:12:03" (1/1) ... [2020-07-20 17:12:03,803 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:12:03" (1/1) ... [2020-07-20 17:12:03,809 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:12:03" (1/1) ... [2020-07-20 17:12:03,816 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 17:12:03,817 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 17:12:03,817 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 17:12:03,817 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 17:12:03,819 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:12:03" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2020-07-20 17:12:03,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 17:12:03,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 17:12:03,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2020-07-20 17:12:03,922 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 17:12:03,923 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 17:12:03,924 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-07-20 17:12:03,924 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 17:12:03,924 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-07-20 17:12:03,925 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2020-07-20 17:12:03,926 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 17:12:03,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 17:12:03,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 17:12:04,274 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-20 17:12:05,177 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2020-07-20 17:12:05,178 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2020-07-20 17:12:05,198 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 17:12:05,199 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-20 17:12:05,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 05:12:05 BoogieIcfgContainer [2020-07-20 17:12:05,209 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 17:12:05,212 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 17:12:05,212 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 17:12:05,220 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 17:12:05,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 05:12:02" (1/3) ... [2020-07-20 17:12:05,223 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42b833b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 05:12:05, skipping insertion in model container [2020-07-20 17:12:05,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:12:03" (2/3) ... [2020-07-20 17:12:05,224 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42b833b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 05:12:05, skipping insertion in model container [2020-07-20 17:12:05,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 05:12:05" (3/3) ... [2020-07-20 17:12:05,228 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_srvr_14.cil.c [2020-07-20 17:12:05,249 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 17:12:05,267 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 17:12:05,296 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 17:12:05,341 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 17:12:05,341 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 17:12:05,342 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 17:12:05,342 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 17:12:05,342 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 17:12:05,343 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 17:12:05,343 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 17:12:05,343 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 17:12:05,383 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states. [2020-07-20 17:12:05,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-07-20 17:12:05,398 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:12:05,400 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] [2020-07-20 17:12:05,401 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:12:05,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:12:05,414 INFO L82 PathProgramCache]: Analyzing trace with hash -2138433857, now seen corresponding path program 1 times [2020-07-20 17:12:05,428 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:12:05,429 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [603126674] [2020-07-20 17:12:05,430 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:12:05,627 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 17:12:05,628 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:12:05,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 17:12:05,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:12:05,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:12:05,750 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:12:05,752 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [603126674] [2020-07-20 17:12:05,754 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:12:05,755 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 17:12:05,757 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180312736] [2020-07-20 17:12:05,767 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 17:12:05,768 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:12:05,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 17:12:05,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 17:12:05,791 INFO L87 Difference]: Start difference. First operand 159 states. Second operand 5 states. [2020-07-20 17:12:06,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:12:06,558 INFO L93 Difference]: Finished difference Result 375 states and 646 transitions. [2020-07-20 17:12:06,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 17:12:06,561 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2020-07-20 17:12:06,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:12:06,600 INFO L225 Difference]: With dead ends: 375 [2020-07-20 17:12:06,600 INFO L226 Difference]: Without dead ends: 194 [2020-07-20 17:12:06,621 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 17:12:06,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2020-07-20 17:12:06,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 188. [2020-07-20 17:12:06,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2020-07-20 17:12:06,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 279 transitions. [2020-07-20 17:12:06,802 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 279 transitions. Word has length 28 [2020-07-20 17:12:06,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:12:06,804 INFO L479 AbstractCegarLoop]: Abstraction has 188 states and 279 transitions. [2020-07-20 17:12:06,805 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 17:12:06,805 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 279 transitions. [2020-07-20 17:12:06,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-07-20 17:12:06,809 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:12:06,810 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] [2020-07-20 17:12:07,026 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:12:07,027 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:12:07,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:12:07,028 INFO L82 PathProgramCache]: Analyzing trace with hash 533516532, now seen corresponding path program 1 times [2020-07-20 17:12:07,028 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:12:07,028 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1375069112] [2020-07-20 17:12:07,029 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:12:07,133 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-20 17:12:07,134 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:12:07,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 17:12:07,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:12:07,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:12:07,165 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:12:07,166 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1375069112] [2020-07-20 17:12:07,167 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:12:07,167 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 17:12:07,167 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251941321] [2020-07-20 17:12:07,169 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 17:12:07,169 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:12:07,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 17:12:07,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:12:07,171 INFO L87 Difference]: Start difference. First operand 188 states and 279 transitions. Second operand 3 states. [2020-07-20 17:12:07,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:12:07,197 INFO L93 Difference]: Finished difference Result 352 states and 527 transitions. [2020-07-20 17:12:07,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 17:12:07,198 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2020-07-20 17:12:07,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:12:07,201 INFO L225 Difference]: With dead ends: 352 [2020-07-20 17:12:07,201 INFO L226 Difference]: Without dead ends: 168 [2020-07-20 17:12:07,204 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:12:07,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2020-07-20 17:12:07,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 168. [2020-07-20 17:12:07,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2020-07-20 17:12:07,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 247 transitions. [2020-07-20 17:12:07,226 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 247 transitions. Word has length 31 [2020-07-20 17:12:07,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:12:07,227 INFO L479 AbstractCegarLoop]: Abstraction has 168 states and 247 transitions. [2020-07-20 17:12:07,227 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 17:12:07,228 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 247 transitions. [2020-07-20 17:12:07,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-07-20 17:12:07,230 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:12:07,230 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] [2020-07-20 17:12:07,444 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:12:07,444 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:12:07,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:12:07,445 INFO L82 PathProgramCache]: Analyzing trace with hash 522773526, now seen corresponding path program 1 times [2020-07-20 17:12:07,446 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:12:07,447 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [907414791] [2020-07-20 17:12:07,447 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:12:07,570 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:12:07,571 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:12:07,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 17:12:07,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:12:07,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:12:07,610 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:12:07,610 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [907414791] [2020-07-20 17:12:07,611 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:12:07,611 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 17:12:07,611 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122310089] [2020-07-20 17:12:07,612 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 17:12:07,612 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:12:07,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 17:12:07,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:12:07,614 INFO L87 Difference]: Start difference. First operand 168 states and 247 transitions. Second operand 3 states. [2020-07-20 17:12:07,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:12:07,650 INFO L93 Difference]: Finished difference Result 473 states and 697 transitions. [2020-07-20 17:12:07,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 17:12:07,651 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2020-07-20 17:12:07,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:12:07,655 INFO L225 Difference]: With dead ends: 473 [2020-07-20 17:12:07,655 INFO L226 Difference]: Without dead ends: 318 [2020-07-20 17:12:07,658 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:12:07,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2020-07-20 17:12:07,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 316. [2020-07-20 17:12:07,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2020-07-20 17:12:07,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 464 transitions. [2020-07-20 17:12:07,715 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 464 transitions. Word has length 32 [2020-07-20 17:12:07,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:12:07,715 INFO L479 AbstractCegarLoop]: Abstraction has 316 states and 464 transitions. [2020-07-20 17:12:07,715 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 17:12:07,716 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 464 transitions. [2020-07-20 17:12:07,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-07-20 17:12:07,725 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:12:07,726 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] [2020-07-20 17:12:07,940 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:12:07,941 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:12:07,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:12:07,943 INFO L82 PathProgramCache]: Analyzing trace with hash -1890290600, now seen corresponding path program 1 times [2020-07-20 17:12:07,943 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:12:07,944 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [693651829] [2020-07-20 17:12:07,944 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:12:08,050 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:12:08,050 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:12:08,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 17:12:08,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:12:08,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:12:08,116 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:12:08,117 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [693651829] [2020-07-20 17:12:08,117 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:12:08,118 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 17:12:08,118 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777677050] [2020-07-20 17:12:08,119 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 17:12:08,119 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:12:08,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 17:12:08,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 17:12:08,120 INFO L87 Difference]: Start difference. First operand 316 states and 464 transitions. Second operand 6 states. [2020-07-20 17:12:08,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:12:08,717 INFO L93 Difference]: Finished difference Result 741 states and 1108 transitions. [2020-07-20 17:12:08,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 17:12:08,718 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2020-07-20 17:12:08,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:12:08,723 INFO L225 Difference]: With dead ends: 741 [2020-07-20 17:12:08,724 INFO L226 Difference]: Without dead ends: 415 [2020-07-20 17:12:08,727 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-07-20 17:12:08,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2020-07-20 17:12:08,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 345. [2020-07-20 17:12:08,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 345 states. [2020-07-20 17:12:08,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 510 transitions. [2020-07-20 17:12:08,756 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 510 transitions. Word has length 33 [2020-07-20 17:12:08,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:12:08,756 INFO L479 AbstractCegarLoop]: Abstraction has 345 states and 510 transitions. [2020-07-20 17:12:08,757 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 17:12:08,757 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 510 transitions. [2020-07-20 17:12:08,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-07-20 17:12:08,760 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:12:08,761 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-20 17:12:08,975 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:12:08,976 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:12:08,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:12:08,977 INFO L82 PathProgramCache]: Analyzing trace with hash 2094542434, now seen corresponding path program 1 times [2020-07-20 17:12:08,978 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:12:08,978 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [103137900] [2020-07-20 17:12:08,978 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:12:09,068 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 17:12:09,068 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:12:09,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 17:12:09,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:12:09,095 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:12:09,096 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:12:09,096 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [103137900] [2020-07-20 17:12:09,096 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:12:09,096 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 17:12:09,097 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884620111] [2020-07-20 17:12:09,098 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 17:12:09,098 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:12:09,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 17:12:09,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:12:09,101 INFO L87 Difference]: Start difference. First operand 345 states and 510 transitions. Second operand 3 states. [2020-07-20 17:12:09,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:12:09,124 INFO L93 Difference]: Finished difference Result 676 states and 1002 transitions. [2020-07-20 17:12:09,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 17:12:09,126 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2020-07-20 17:12:09,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:12:09,129 INFO L225 Difference]: With dead ends: 676 [2020-07-20 17:12:09,130 INFO L226 Difference]: Without dead ends: 345 [2020-07-20 17:12:09,134 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:12:09,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2020-07-20 17:12:09,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 345. [2020-07-20 17:12:09,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 345 states. [2020-07-20 17:12:09,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 504 transitions. [2020-07-20 17:12:09,163 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 504 transitions. Word has length 45 [2020-07-20 17:12:09,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:12:09,170 INFO L479 AbstractCegarLoop]: Abstraction has 345 states and 504 transitions. [2020-07-20 17:12:09,171 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 17:12:09,172 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 504 transitions. [2020-07-20 17:12:09,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-20 17:12:09,178 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:12:09,179 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-20 17:12:09,393 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:12:09,394 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:12:09,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:12:09,394 INFO L82 PathProgramCache]: Analyzing trace with hash -1255579119, now seen corresponding path program 1 times [2020-07-20 17:12:09,395 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:12:09,396 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1534971071] [2020-07-20 17:12:09,396 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:12:09,480 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 17:12:09,480 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:12:09,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 17:12:09,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:12:09,507 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:12:09,508 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:12:09,509 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1534971071] [2020-07-20 17:12:09,510 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:12:09,510 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 17:12:09,510 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474711505] [2020-07-20 17:12:09,511 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 17:12:09,511 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:12:09,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 17:12:09,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:12:09,512 INFO L87 Difference]: Start difference. First operand 345 states and 504 transitions. Second operand 3 states. [2020-07-20 17:12:09,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:12:09,574 INFO L93 Difference]: Finished difference Result 686 states and 1002 transitions. [2020-07-20 17:12:09,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 17:12:09,575 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-07-20 17:12:09,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:12:09,579 INFO L225 Difference]: With dead ends: 686 [2020-07-20 17:12:09,580 INFO L226 Difference]: Without dead ends: 355 [2020-07-20 17:12:09,582 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:12:09,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2020-07-20 17:12:09,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 353. [2020-07-20 17:12:09,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 353 states. [2020-07-20 17:12:09,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 508 transitions. [2020-07-20 17:12:09,609 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 508 transitions. Word has length 46 [2020-07-20 17:12:09,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:12:09,610 INFO L479 AbstractCegarLoop]: Abstraction has 353 states and 508 transitions. [2020-07-20 17:12:09,610 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 17:12:09,611 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 508 transitions. [2020-07-20 17:12:09,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-07-20 17:12:09,613 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:12:09,613 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] [2020-07-20 17:12:09,828 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:12:09,829 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:12:09,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:12:09,829 INFO L82 PathProgramCache]: Analyzing trace with hash -1258911171, now seen corresponding path program 1 times [2020-07-20 17:12:09,830 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:12:09,830 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1628035405] [2020-07-20 17:12:09,830 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:12:09,921 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 17:12:09,921 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:12:09,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 17:12:09,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:12:09,944 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:12:09,944 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:12:09,945 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1628035405] [2020-07-20 17:12:09,945 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:12:09,947 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 17:12:09,948 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434860409] [2020-07-20 17:12:09,949 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 17:12:09,949 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:12:09,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 17:12:09,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:12:09,950 INFO L87 Difference]: Start difference. First operand 353 states and 508 transitions. Second operand 3 states. [2020-07-20 17:12:10,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:12:10,356 INFO L93 Difference]: Finished difference Result 860 states and 1246 transitions. [2020-07-20 17:12:10,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 17:12:10,357 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 50 [2020-07-20 17:12:10,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:12:10,364 INFO L225 Difference]: With dead ends: 860 [2020-07-20 17:12:10,364 INFO L226 Difference]: Without dead ends: 497 [2020-07-20 17:12:10,368 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:12:10,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2020-07-20 17:12:10,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 437. [2020-07-20 17:12:10,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 437 states. [2020-07-20 17:12:10,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 623 transitions. [2020-07-20 17:12:10,407 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 623 transitions. Word has length 50 [2020-07-20 17:12:10,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:12:10,408 INFO L479 AbstractCegarLoop]: Abstraction has 437 states and 623 transitions. [2020-07-20 17:12:10,408 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 17:12:10,408 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 623 transitions. [2020-07-20 17:12:10,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-20 17:12:10,410 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:12:10,410 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-20 17:12:10,625 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:12:10,627 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:12:10,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:12:10,628 INFO L82 PathProgramCache]: Analyzing trace with hash 1836171333, now seen corresponding path program 1 times [2020-07-20 17:12:10,629 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:12:10,629 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [748592484] [2020-07-20 17:12:10,629 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:12:10,728 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 17:12:10,729 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:12:10,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 17:12:10,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:12:10,759 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:12:10,759 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:12:10,760 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [748592484] [2020-07-20 17:12:10,760 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:12:10,760 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 17:12:10,761 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754355451] [2020-07-20 17:12:10,762 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 17:12:10,763 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:12:10,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 17:12:10,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:12:10,766 INFO L87 Difference]: Start difference. First operand 437 states and 623 transitions. Second operand 3 states. [2020-07-20 17:12:10,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:12:10,839 INFO L93 Difference]: Finished difference Result 1279 states and 1826 transitions. [2020-07-20 17:12:10,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 17:12:10,840 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2020-07-20 17:12:10,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:12:10,852 INFO L225 Difference]: With dead ends: 1279 [2020-07-20 17:12:10,859 INFO L226 Difference]: Without dead ends: 856 [2020-07-20 17:12:10,863 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:12:10,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2020-07-20 17:12:10,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 651. [2020-07-20 17:12:10,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 651 states. [2020-07-20 17:12:10,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 651 states and 928 transitions. [2020-07-20 17:12:10,915 INFO L78 Accepts]: Start accepts. Automaton has 651 states and 928 transitions. Word has length 51 [2020-07-20 17:12:10,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:12:10,916 INFO L479 AbstractCegarLoop]: Abstraction has 651 states and 928 transitions. [2020-07-20 17:12:10,916 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 17:12:10,916 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 928 transitions. [2020-07-20 17:12:10,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-20 17:12:10,919 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:12:10,920 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-20 17:12:11,134 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:12:11,134 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:12:11,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:12:11,136 INFO L82 PathProgramCache]: Analyzing trace with hash -2035149241, now seen corresponding path program 1 times [2020-07-20 17:12:11,136 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:12:11,136 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [144137657] [2020-07-20 17:12:11,137 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:12:11,218 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 17:12:11,218 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:12:11,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 17:12:11,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:12:11,240 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:12:11,240 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:12:11,241 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [144137657] [2020-07-20 17:12:11,241 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:12:11,241 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 17:12:11,242 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960335720] [2020-07-20 17:12:11,243 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 17:12:11,243 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:12:11,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 17:12:11,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:12:11,247 INFO L87 Difference]: Start difference. First operand 651 states and 928 transitions. Second operand 3 states. [2020-07-20 17:12:11,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:12:11,323 INFO L93 Difference]: Finished difference Result 1914 states and 2724 transitions. [2020-07-20 17:12:11,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 17:12:11,325 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2020-07-20 17:12:11,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:12:11,335 INFO L225 Difference]: With dead ends: 1914 [2020-07-20 17:12:11,335 INFO L226 Difference]: Without dead ends: 1278 [2020-07-20 17:12:11,340 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:12:11,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1278 states. [2020-07-20 17:12:11,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1278 to 1276. [2020-07-20 17:12:11,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1276 states. [2020-07-20 17:12:11,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 1276 states and 1799 transitions. [2020-07-20 17:12:11,416 INFO L78 Accepts]: Start accepts. Automaton has 1276 states and 1799 transitions. Word has length 51 [2020-07-20 17:12:11,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:12:11,417 INFO L479 AbstractCegarLoop]: Abstraction has 1276 states and 1799 transitions. [2020-07-20 17:12:11,417 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 17:12:11,417 INFO L276 IsEmpty]: Start isEmpty. Operand 1276 states and 1799 transitions. [2020-07-20 17:12:11,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-20 17:12:11,421 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:12:11,421 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-20 17:12:11,636 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:12:11,637 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:12:11,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:12:11,638 INFO L82 PathProgramCache]: Analyzing trace with hash 407760342, now seen corresponding path program 1 times [2020-07-20 17:12:11,639 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:12:11,639 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [573541141] [2020-07-20 17:12:11,640 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:12:11,791 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:12:11,791 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:12:11,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 17:12:11,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:12:11,831 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-20 17:12:11,831 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:12:11,832 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [573541141] [2020-07-20 17:12:11,832 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:12:11,832 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 17:12:11,833 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758249348] [2020-07-20 17:12:11,834 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 17:12:11,835 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:12:11,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 17:12:11,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:12:11,836 INFO L87 Difference]: Start difference. First operand 1276 states and 1799 transitions. Second operand 3 states. [2020-07-20 17:12:11,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:12:11,917 INFO L93 Difference]: Finished difference Result 2513 states and 3528 transitions. [2020-07-20 17:12:11,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 17:12:11,918 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-20 17:12:11,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:12:11,932 INFO L225 Difference]: With dead ends: 2513 [2020-07-20 17:12:11,933 INFO L226 Difference]: Without dead ends: 1679 [2020-07-20 17:12:11,938 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:12:11,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1679 states. [2020-07-20 17:12:12,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1679 to 1276. [2020-07-20 17:12:12,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1276 states. [2020-07-20 17:12:12,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 1276 states and 1789 transitions. [2020-07-20 17:12:12,031 INFO L78 Accepts]: Start accepts. Automaton has 1276 states and 1789 transitions. Word has length 52 [2020-07-20 17:12:12,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:12:12,032 INFO L479 AbstractCegarLoop]: Abstraction has 1276 states and 1789 transitions. [2020-07-20 17:12:12,032 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 17:12:12,032 INFO L276 IsEmpty]: Start isEmpty. Operand 1276 states and 1789 transitions. [2020-07-20 17:12:12,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-20 17:12:12,035 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:12:12,035 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-20 17:12:12,250 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:12:12,251 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:12:12,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:12:12,252 INFO L82 PathProgramCache]: Analyzing trace with hash 1076328936, now seen corresponding path program 1 times [2020-07-20 17:12:12,252 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:12:12,253 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [929239752] [2020-07-20 17:12:12,253 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:12:12,337 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:12:12,338 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:12:12,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 17:12:12,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:12:12,370 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:12:12,371 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:12:12,371 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [929239752] [2020-07-20 17:12:12,371 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:12:12,372 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 17:12:12,372 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009959733] [2020-07-20 17:12:12,373 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 17:12:12,373 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:12:12,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 17:12:12,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:12:12,374 INFO L87 Difference]: Start difference. First operand 1276 states and 1789 transitions. Second operand 3 states. [2020-07-20 17:12:12,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:12:12,768 INFO L93 Difference]: Finished difference Result 3092 states and 4372 transitions. [2020-07-20 17:12:12,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 17:12:12,770 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2020-07-20 17:12:12,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:12:12,782 INFO L225 Difference]: With dead ends: 3092 [2020-07-20 17:12:12,783 INFO L226 Difference]: Without dead ends: 1702 [2020-07-20 17:12:12,790 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:12:12,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1702 states. [2020-07-20 17:12:12,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1702 to 1628. [2020-07-20 17:12:12,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1628 states. [2020-07-20 17:12:12,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1628 states to 1628 states and 2244 transitions. [2020-07-20 17:12:12,882 INFO L78 Accepts]: Start accepts. Automaton has 1628 states and 2244 transitions. Word has length 53 [2020-07-20 17:12:12,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:12:12,883 INFO L479 AbstractCegarLoop]: Abstraction has 1628 states and 2244 transitions. [2020-07-20 17:12:12,883 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 17:12:12,884 INFO L276 IsEmpty]: Start isEmpty. Operand 1628 states and 2244 transitions. [2020-07-20 17:12:12,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-07-20 17:12:12,888 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:12:12,888 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-20 17:12:13,102 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:12:13,102 INFO L427 AbstractCegarLoop]: === Iteration 12 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:12:13,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:12:13,103 INFO L82 PathProgramCache]: Analyzing trace with hash 1998483518, now seen corresponding path program 1 times [2020-07-20 17:12:13,104 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:12:13,104 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [271332129] [2020-07-20 17:12:13,105 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:12:13,192 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:12:13,193 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:12:13,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 17:12:13,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:12:13,223 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-20 17:12:13,223 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:12:13,224 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [271332129] [2020-07-20 17:12:13,224 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:12:13,225 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 17:12:13,225 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095256358] [2020-07-20 17:12:13,226 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 17:12:13,226 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:12:13,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 17:12:13,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:12:13,227 INFO L87 Difference]: Start difference. First operand 1628 states and 2244 transitions. Second operand 3 states. [2020-07-20 17:12:13,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:12:13,653 INFO L93 Difference]: Finished difference Result 3524 states and 4902 transitions. [2020-07-20 17:12:13,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 17:12:13,654 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2020-07-20 17:12:13,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:12:13,671 INFO L225 Difference]: With dead ends: 3524 [2020-07-20 17:12:13,671 INFO L226 Difference]: Without dead ends: 1917 [2020-07-20 17:12:13,677 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:12:13,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1917 states. [2020-07-20 17:12:13,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1917 to 1881. [2020-07-20 17:12:13,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1881 states. [2020-07-20 17:12:13,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1881 states to 1881 states and 2513 transitions. [2020-07-20 17:12:13,787 INFO L78 Accepts]: Start accepts. Automaton has 1881 states and 2513 transitions. Word has length 62 [2020-07-20 17:12:13,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:12:13,788 INFO L479 AbstractCegarLoop]: Abstraction has 1881 states and 2513 transitions. [2020-07-20 17:12:13,788 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 17:12:13,788 INFO L276 IsEmpty]: Start isEmpty. Operand 1881 states and 2513 transitions. [2020-07-20 17:12:13,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-07-20 17:12:13,791 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:12:13,792 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-20 17:12:14,005 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:12:14,006 INFO L427 AbstractCegarLoop]: === Iteration 13 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:12:14,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:12:14,007 INFO L82 PathProgramCache]: Analyzing trace with hash -1616425408, now seen corresponding path program 1 times [2020-07-20 17:12:14,008 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:12:14,008 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [442567241] [2020-07-20 17:12:14,009 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:12:14,139 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:12:14,139 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2020-07-20 17:12:14,140 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-20 17:12:14,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-20 17:12:14,176 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-20 17:12:14,349 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-20 17:12:14,353 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-20 17:12:14,571 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:12:14,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 05:12:14 BoogieIcfgContainer [2020-07-20 17:12:14,806 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 17:12:14,812 INFO L168 Benchmark]: Toolchain (without parser) took 11892.98 ms. Allocated memory was 144.2 MB in the beginning and 292.0 MB in the end (delta: 147.8 MB). Free memory was 100.2 MB in the beginning and 175.3 MB in the end (delta: -75.0 MB). Peak memory consumption was 72.8 MB. Max. memory is 7.1 GB. [2020-07-20 17:12:14,813 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 144.2 MB. Free memory was 119.1 MB in the beginning and 118.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 17:12:14,824 INFO L168 Benchmark]: CACSL2BoogieTranslator took 799.55 ms. Allocated memory was 144.2 MB in the beginning and 202.4 MB in the end (delta: 58.2 MB). Free memory was 99.8 MB in the beginning and 177.8 MB in the end (delta: -78.0 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. [2020-07-20 17:12:14,826 INFO L168 Benchmark]: Boogie Preprocessor took 95.69 ms. Allocated memory is still 202.4 MB. Free memory was 177.8 MB in the beginning and 175.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-07-20 17:12:14,829 INFO L168 Benchmark]: RCFGBuilder took 1392.60 ms. Allocated memory is still 202.4 MB. Free memory was 175.1 MB in the beginning and 121.8 MB in the end (delta: 53.2 MB). Peak memory consumption was 53.2 MB. Max. memory is 7.1 GB. [2020-07-20 17:12:14,831 INFO L168 Benchmark]: TraceAbstraction took 9594.23 ms. Allocated memory was 202.4 MB in the beginning and 292.0 MB in the end (delta: 89.7 MB). Free memory was 121.8 MB in the beginning and 175.3 MB in the end (delta: -53.4 MB). Peak memory consumption was 36.2 MB. Max. memory is 7.1 GB. [2020-07-20 17:12:14,848 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 ms. Allocated memory is still 144.2 MB. Free memory was 119.1 MB in the beginning and 118.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 799.55 ms. Allocated memory was 144.2 MB in the beginning and 202.4 MB in the end (delta: 58.2 MB). Free memory was 99.8 MB in the beginning and 177.8 MB in the end (delta: -78.0 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 95.69 ms. Allocated memory is still 202.4 MB. Free memory was 177.8 MB in the beginning and 175.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1392.60 ms. Allocated memory is still 202.4 MB. Free memory was 175.1 MB in the beginning and 121.8 MB in the end (delta: 53.2 MB). Peak memory consumption was 53.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 9594.23 ms. Allocated memory was 202.4 MB in the beginning and 292.0 MB in the end (delta: 89.7 MB). Free memory was 121.8 MB in the beginning and 175.3 MB in the end (delta: -53.4 MB). Peak memory consumption was 36.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 640]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L645] int s ; [L646] int tmp ; [L650] s = 8464 VAL [s=8464] [L651] CALL ssl3_accept(s) VAL [\old(initial_state)=8464] [L11] int s__info_callback = __VERIFIER_nondet_int() ; [L12] int s__in_handshake = __VERIFIER_nondet_int() ; [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__hit = __VERIFIER_nondet_int() ; [L20] int s__rwstate ; [L21] int s__init_buf___0 = 1; [L22] int s__debug = __VERIFIER_nondet_int() ; [L23] int s__shutdown ; [L24] int s__cert = __VERIFIER_nondet_int() ; [L25] int s__options = __VERIFIER_nondet_int() ; [L26] int s__verify_mode = __VERIFIER_nondet_int() ; [L27] int s__session__peer = __VERIFIER_nondet_int() ; [L28] int s__cert__pkeys__AT0__privatekey = __VERIFIER_nondet_int() ; [L29] int s__ctx__info_callback = __VERIFIER_nondet_int() ; [L30] int s__ctx__stats__sess_accept_renegotiate = __VERIFIER_nondet_int() ; [L31] int s__ctx__stats__sess_accept = __VERIFIER_nondet_int() ; [L32] int s__ctx__stats__sess_accept_good = __VERIFIER_nondet_int() ; [L33] int s__s3__tmp__cert_request ; [L34] int s__s3__tmp__reuse_message ; [L35] int s__s3__tmp__use_rsa_tmp ; [L36] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int() ; [L37] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int() ; [L38] int s__s3__tmp__next_state___0 ; [L39] int s__s3__tmp__new_cipher__algo_strength = __VERIFIER_nondet_int() ; [L40] int s__session__cipher ; [L41] int buf ; [L42] unsigned long l ; [L43] unsigned long Time ; [L44] unsigned long tmp ; [L45] int cb ; [L46] long num1 = __VERIFIER_nondet_long() ; [L47] int ret ; [L48] int new_state ; [L49] int state ; [L50] int skip ; [L51] int got_new_session ; [L52] int tmp___1 = __VERIFIER_nondet_int() ; [L53] int tmp___2 = __VERIFIER_nondet_int() ; [L54] int tmp___3 = __VERIFIER_nondet_int() ; [L55] int tmp___4 = __VERIFIER_nondet_int() ; [L56] int tmp___5 = __VERIFIER_nondet_int() ; [L57] int tmp___6 = __VERIFIER_nondet_int() ; [L58] int tmp___7 ; [L59] long tmp___8 = __VERIFIER_nondet_long() ; [L60] int tmp___9 = __VERIFIER_nondet_int() ; [L61] int tmp___10 = __VERIFIER_nondet_int() ; [L62] int blastFlag ; [L63] int __cil_tmp55 ; [L64] unsigned long __cil_tmp56 ; [L65] unsigned long __cil_tmp57 ; [L66] unsigned long __cil_tmp58 ; [L67] unsigned long __cil_tmp59 ; [L68] int __cil_tmp60 ; [L69] unsigned long __cil_tmp61 ; [L72] s__s3__tmp__reuse_message = 0 [L73] s__state = initial_state [L74] blastFlag = 0 [L75] tmp = __VERIFIER_nondet_int() [L76] Time = tmp [L77] cb = 0 [L78] ret = -1 [L79] skip = 0 [L80] got_new_session = 0 VAL [\old(initial_state)=8464, blastFlag=0, cb=0, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=-16385, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L81] COND TRUE s__info_callback != 0 [L82] cb = s__info_callback VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=-16385, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L88] s__in_handshake ++ VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=-16385, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L89] COND TRUE tmp___1 + 12288 VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=-16385, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L90] COND TRUE tmp___2 + 16384 VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=-16385, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L94] COND FALSE !(s__cert == 0) VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=-16385, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L98] COND TRUE 1 VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=-16385, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L100] state = s__state VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=-16385, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L101] COND FALSE !(s__state == 12292) VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=-16385, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L104] COND FALSE !(s__state == 16384) VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=-16385, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L107] COND FALSE !(s__state == 8192) VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=-16385, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L110] COND FALSE !(s__state == 24576) VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=-16385, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L113] COND FALSE !(s__state == 8195) VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=-16385, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L116] COND FALSE !(s__state == 8480) VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=-16385, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L119] COND FALSE !(s__state == 8481) VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=-16385, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L122] COND FALSE !(s__state == 8482) VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=-16385, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L125] COND TRUE s__state == 8464 VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=-16385, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L271] s__shutdown = 0 [L272] ret = __VERIFIER_nondet_int() [L273] COND TRUE blastFlag == 0 [L274] blastFlag = 1 VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=0, initial_state=8464, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=-16385, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L276] COND FALSE !(ret <= 0) [L279] got_new_session = 1 [L280] s__state = 8496 [L281] s__init_num = 0 VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=-16385, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L602] COND TRUE ! s__s3__tmp__reuse_message VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=-16385, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L603] COND TRUE ! skip VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=-16385, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L604] COND TRUE tmp___1 != -12288 VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=-16385, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L605] COND TRUE s__state != 8656 VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=-16385, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L606] COND TRUE tmp___2 != -16384 VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=-16385, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L607] COND FALSE !(state == 8496) VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=-16385, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L614] COND FALSE !(\read(s__debug)) VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=-16385, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L620] COND TRUE cb != 0 VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=-16385, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L621] COND TRUE s__state != state [L622] new_state = s__state [L623] s__state = state [L624] s__state = new_state VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=-16385, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L629] skip = 0 VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=-16385, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L98] COND TRUE 1 VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=-16385, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L100] state = s__state VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=-16385, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L101] COND FALSE !(s__state == 12292) VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=-16385, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L104] COND FALSE !(s__state == 16384) VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=-16385, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L107] COND FALSE !(s__state == 8192) VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=-16385, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L110] COND FALSE !(s__state == 24576) VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=-16385, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L113] COND FALSE !(s__state == 8195) VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=-16385, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L116] COND FALSE !(s__state == 8480) VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=-16385, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L119] COND FALSE !(s__state == 8481) VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=-16385, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L122] COND FALSE !(s__state == 8482) VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=-16385, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L125] COND FALSE !(s__state == 8464) VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=-16385, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L128] COND FALSE !(s__state == 8465) VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=-16385, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L131] COND FALSE !(s__state == 8466) VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=-16385, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L134] COND TRUE s__state == 8496 VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=-16385, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L285] ret = __VERIFIER_nondet_int() [L286] COND TRUE blastFlag == 1 [L287] blastFlag = 2 VAL [\old(initial_state)=8464, blastFlag=2, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=-16385, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L289] COND FALSE !(ret <= 0) VAL [\old(initial_state)=8464, blastFlag=2, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=-16385, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L292] COND FALSE !(\read(s__hit)) [L295] s__state = 8512 VAL [\old(initial_state)=8464, blastFlag=2, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8512, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=-16385, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L297] s__init_num = 0 VAL [\old(initial_state)=8464, blastFlag=2, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8512, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=-16385, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L602] COND TRUE ! s__s3__tmp__reuse_message VAL [\old(initial_state)=8464, blastFlag=2, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8512, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=-16385, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L603] COND TRUE ! skip VAL [\old(initial_state)=8464, blastFlag=2, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8512, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=-16385, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L604] COND TRUE tmp___1 != -12288 VAL [\old(initial_state)=8464, blastFlag=2, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8512, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=-16385, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L605] COND TRUE s__state != 8656 VAL [\old(initial_state)=8464, blastFlag=2, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8512, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=-16385, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L606] COND TRUE tmp___2 != -16384 VAL [\old(initial_state)=8464, blastFlag=2, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8512, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=-16385, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L607] COND TRUE state == 8496 VAL [\old(initial_state)=8464, blastFlag=2, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8512, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=-16385, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L640] __VERIFIER_error() VAL [\old(initial_state)=8464, blastFlag=2, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=-1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8512, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=-16385, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 159 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 9.2s, OverallIterations: 13, TraceHistogramMax: 2, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2776 SDtfs, 2059 SDslu, 2114 SDs, 0 SdLazy, 735 SolverSat, 193 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 526 GetRequests, 505 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1881occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 12 MinimizatonAttempts, 860 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 596 NumberOfCodeBlocks, 512 NumberOfCodeBlocksAsserted, 43 NumberOfCheckSat, 522 ConstructedInterpolants, 0 QuantifiedInterpolants, 52128 SizeOfPredicates, 16 NumberOfNonLiveVariables, 2517 ConjunctsInSsa, 46 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 101/101 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...