/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ssh-simplified/s3_clnt_1.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 03:12:54,381 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 03:12:54,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 03:12:54,412 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 03:12:54,413 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 03:12:54,414 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 03:12:54,415 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 03:12:54,417 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 03:12:54,419 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 03:12:54,420 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 03:12:54,421 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 03:12:54,423 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 03:12:54,423 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 03:12:54,424 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 03:12:54,425 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 03:12:54,427 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 03:12:54,431 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 03:12:54,432 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 03:12:54,434 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 03:12:54,436 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 03:12:54,437 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 03:12:54,439 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 03:12:54,440 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 03:12:54,441 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 03:12:54,444 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 03:12:54,444 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 03:12:54,444 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 03:12:54,445 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 03:12:54,446 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 03:12:54,447 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 03:12:54,447 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 03:12:54,448 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 03:12:54,449 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 03:12:54,450 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 03:12:54,451 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 03:12:54,451 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 03:12:54,452 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 03:12:54,452 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 03:12:54,453 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 03:12:54,454 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 03:12:54,455 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 03:12:54,455 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 03:12:54,487 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 03:12:54,488 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 03:12:54,490 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 03:12:54,493 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 03:12:54,493 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 03:12:54,493 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 03:12:54,494 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 03:12:54,494 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 03:12:54,494 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 03:12:54,494 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 03:12:54,494 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 03:12:54,495 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 03:12:54,498 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 03:12:54,498 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 03:12:54,498 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 03:12:54,499 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 03:12:54,499 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 03:12:54,499 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 03:12:54,499 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 03:12:54,499 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 03:12:54,500 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 03:12:54,500 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 03:12:54,500 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 03:12:54,500 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 03:12:54,501 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 03:12:54,501 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 03:12:54,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 03:12:54,501 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 03:12:54,501 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 03:12:54,502 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDEST;log-additional-information=true; [2020-09-25 03:12:54,970 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 03:12:54,992 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 03:12:54,997 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 03:12:55,000 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 03:12:55,001 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 03:12:55,002 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh-simplified/s3_clnt_1.cil-2.c [2020-09-25 03:12:55,084 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4e374cc13/1e27fa1644134084a1498c574f75a711/FLAG1f5f81ee7 [2020-09-25 03:12:55,703 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 03:12:55,704 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ssh-simplified/s3_clnt_1.cil-2.c [2020-09-25 03:12:55,717 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4e374cc13/1e27fa1644134084a1498c574f75a711/FLAG1f5f81ee7 [2020-09-25 03:12:56,003 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4e374cc13/1e27fa1644134084a1498c574f75a711 [2020-09-25 03:12:56,017 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 03:12:56,023 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 03:12:56,025 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 03:12:56,025 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 03:12:56,029 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 03:12:56,030 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:12:56" (1/1) ... [2020-09-25 03:12:56,035 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@693e2903 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:12:56, skipping insertion in model container [2020-09-25 03:12:56,035 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:12:56" (1/1) ... [2020-09-25 03:12:56,044 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 03:12:56,094 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 03:12:56,394 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:12:56,400 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 03:12:56,552 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:12:56,574 INFO L208 MainTranslator]: Completed translation [2020-09-25 03:12:56,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:12:56 WrapperNode [2020-09-25 03:12:56,574 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 03:12:56,575 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 03:12:56,575 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 03:12:56,576 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 03:12:56,593 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:12:56" (1/1) ... [2020-09-25 03:12:56,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:12:56" (1/1) ... [2020-09-25 03:12:56,603 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:12:56" (1/1) ... [2020-09-25 03:12:56,604 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:12:56" (1/1) ... [2020-09-25 03:12:56,617 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:12:56" (1/1) ... [2020-09-25 03:12:56,631 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:12:56" (1/1) ... [2020-09-25 03:12:56,634 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:12:56" (1/1) ... [2020-09-25 03:12:56,640 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 03:12:56,640 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 03:12:56,640 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 03:12:56,641 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 03:12:56,642 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:12:56" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 03:12:56,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 03:12:56,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 03:12:56,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2020-09-25 03:12:56,726 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 03:12:56,726 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 03:12:56,727 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-09-25 03:12:56,727 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 03:12:56,727 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-09-25 03:12:56,729 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2020-09-25 03:12:56,729 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 03:12:56,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 03:12:56,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 03:12:56,966 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-09-25 03:12:57,566 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2020-09-25 03:12:57,567 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2020-09-25 03:12:57,592 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 03:12:57,593 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-25 03:12:57,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:12:57 BoogieIcfgContainer [2020-09-25 03:12:57,601 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 03:12:57,603 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 03:12:57,603 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 03:12:57,607 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 03:12:57,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 03:12:56" (1/3) ... [2020-09-25 03:12:57,608 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c68e5a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:12:57, skipping insertion in model container [2020-09-25 03:12:57,609 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:12:56" (2/3) ... [2020-09-25 03:12:57,609 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c68e5a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:12:57, skipping insertion in model container [2020-09-25 03:12:57,609 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:12:57" (3/3) ... [2020-09-25 03:12:57,612 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_clnt_1.cil-2.c [2020-09-25 03:12:57,624 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 03:12:57,635 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 03:12:57,658 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 03:12:57,692 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 03:12:57,692 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 03:12:57,692 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 03:12:57,693 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 03:12:57,693 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 03:12:57,693 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 03:12:57,693 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 03:12:57,693 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 03:12:57,724 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states. [2020-09-25 03:12:57,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 03:12:57,743 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:12:57,744 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:12:57,745 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:12:57,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:12:57,754 INFO L82 PathProgramCache]: Analyzing trace with hash -1836119895, now seen corresponding path program 1 times [2020-09-25 03:12:57,769 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:12:57,769 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1240379178] [2020-09-25 03:12:57,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:12:57,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:12:58,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:12:58,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:12:58,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:12:59,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:12:59,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-09-25 03:12:59,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 03:12:59,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1016 [2020-09-25 03:12:59,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:12:59,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 03:12:59,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-25 03:12:59,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 150 [2020-09-25 03:12:59,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 03:12:59,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:12:59,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:12:59,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:12:59,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:12:59,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:12:59,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:12:59,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:12:59,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:12:59,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:12:59,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:12:59,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:12:59,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:12:59,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 03:12:59,251 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1240379178] [2020-09-25 03:12:59,254 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:12:59,254 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 03:12:59,255 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768851659] [2020-09-25 03:12:59,263 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 03:12:59,263 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:12:59,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 03:12:59,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-25 03:12:59,287 INFO L87 Difference]: Start difference. First operand 383 states. Second operand 5 states. [2020-09-25 03:12:59,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:12:59,571 INFO L93 Difference]: Finished difference Result 626 states and 801 transitions. [2020-09-25 03:12:59,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 03:12:59,574 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 160 [2020-09-25 03:12:59,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:12:59,598 INFO L225 Difference]: With dead ends: 626 [2020-09-25 03:12:59,598 INFO L226 Difference]: Without dead ends: 344 [2020-09-25 03:12:59,609 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-09-25 03:12:59,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2020-09-25 03:12:59,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 344. [2020-09-25 03:12:59,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 344 states. [2020-09-25 03:12:59,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 401 transitions. [2020-09-25 03:12:59,700 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 401 transitions. Word has length 160 [2020-09-25 03:12:59,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:12:59,701 INFO L479 AbstractCegarLoop]: Abstraction has 344 states and 401 transitions. [2020-09-25 03:12:59,701 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 03:12:59,702 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 401 transitions. [2020-09-25 03:12:59,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-09-25 03:12:59,706 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:12:59,707 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:12:59,707 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 03:12:59,707 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:12:59,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:12:59,708 INFO L82 PathProgramCache]: Analyzing trace with hash 933719357, now seen corresponding path program 1 times [2020-09-25 03:12:59,708 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:12:59,709 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [241013806] [2020-09-25 03:12:59,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:12:59,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:12:59,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:12:59,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:12:59,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:00,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:13:00,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-09-25 03:13:00,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 03:13:00,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 402 [2020-09-25 03:13:00,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:13:00,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:13:00,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 134 [2020-09-25 03:13:00,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-25 03:13:00,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 03:13:00,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:13:00,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:13:00,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:00,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:13:00,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:13:00,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:13:00,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:13:00,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:13:00,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:13:00,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:13:00,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:13:00,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 03:13:00,378 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-25 03:13:00,379 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [241013806] [2020-09-25 03:13:00,380 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:13:00,381 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 03:13:00,382 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103974202] [2020-09-25 03:13:00,386 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 03:13:00,386 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:13:00,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 03:13:00,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 03:13:00,396 INFO L87 Difference]: Start difference. First operand 344 states and 401 transitions. Second operand 3 states. [2020-09-25 03:13:00,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:13:00,509 INFO L93 Difference]: Finished difference Result 735 states and 899 transitions. [2020-09-25 03:13:00,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 03:13:00,510 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 183 [2020-09-25 03:13:00,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:13:00,521 INFO L225 Difference]: With dead ends: 735 [2020-09-25 03:13:00,521 INFO L226 Difference]: Without dead ends: 536 [2020-09-25 03:13:00,529 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 03:13:00,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2020-09-25 03:13:00,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 536. [2020-09-25 03:13:00,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2020-09-25 03:13:00,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 642 transitions. [2020-09-25 03:13:00,571 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 642 transitions. Word has length 183 [2020-09-25 03:13:00,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:13:00,573 INFO L479 AbstractCegarLoop]: Abstraction has 536 states and 642 transitions. [2020-09-25 03:13:00,573 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 03:13:00,573 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 642 transitions. [2020-09-25 03:13:00,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-09-25 03:13:00,578 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:13:00,579 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:13:00,579 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 03:13:00,579 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:13:00,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:13:00,580 INFO L82 PathProgramCache]: Analyzing trace with hash -1378664763, now seen corresponding path program 1 times [2020-09-25 03:13:00,580 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:13:00,581 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [985578274] [2020-09-25 03:13:00,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:13:00,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:13:00,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:00,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:00,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:01,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:13:01,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 212 [2020-09-25 03:13:01,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 03:13:01,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 489 [2020-09-25 03:13:01,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:13:01,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:13:01,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 184 [2020-09-25 03:13:01,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-25 03:13:01,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:13:01,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:13:01,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:13:01,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:01,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:13:01,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:13:01,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:13:01,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 03:13:01,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:13:01,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:13:01,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:13:01,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:13:01,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:13:01,232 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-25 03:13:01,232 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [985578274] [2020-09-25 03:13:01,233 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:13:01,233 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 03:13:01,233 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055299700] [2020-09-25 03:13:01,234 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 03:13:01,234 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:13:01,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 03:13:01,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 03:13:01,235 INFO L87 Difference]: Start difference. First operand 536 states and 642 transitions. Second operand 3 states. [2020-09-25 03:13:01,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:13:01,299 INFO L93 Difference]: Finished difference Result 927 states and 1140 transitions. [2020-09-25 03:13:01,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 03:13:01,299 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 203 [2020-09-25 03:13:01,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:13:01,304 INFO L225 Difference]: With dead ends: 927 [2020-09-25 03:13:01,304 INFO L226 Difference]: Without dead ends: 728 [2020-09-25 03:13:01,306 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 03:13:01,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 728 states. [2020-09-25 03:13:01,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 728 to 728. [2020-09-25 03:13:01,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 728 states. [2020-09-25 03:13:01,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 728 states and 884 transitions. [2020-09-25 03:13:01,347 INFO L78 Accepts]: Start accepts. Automaton has 728 states and 884 transitions. Word has length 203 [2020-09-25 03:13:01,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:13:01,349 INFO L479 AbstractCegarLoop]: Abstraction has 728 states and 884 transitions. [2020-09-25 03:13:01,349 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 03:13:01,349 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 884 transitions. [2020-09-25 03:13:01,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2020-09-25 03:13:01,355 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:13:01,355 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:13:01,356 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 03:13:01,356 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:13:01,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:13:01,356 INFO L82 PathProgramCache]: Analyzing trace with hash 1362043361, now seen corresponding path program 1 times [2020-09-25 03:13:01,357 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:13:01,357 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1228286329] [2020-09-25 03:13:01,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:13:01,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:13:01,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:01,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:01,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:13:01,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 233 [2020-09-25 03:13:01,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 03:13:01,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 330 [2020-09-25 03:13:01,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:13:01,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:13:01,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 205 [2020-09-25 03:13:01,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-25 03:13:01,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:13:01,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:13:01,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:13:01,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:01,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:13:01,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:13:01,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:13:01,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 03:13:01,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:13:01,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:13:01,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:13:01,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:13:01,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 03:13:01,915 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-09-25 03:13:01,915 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1228286329] [2020-09-25 03:13:01,916 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:13:01,916 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 03:13:01,916 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632689238] [2020-09-25 03:13:01,917 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 03:13:01,917 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:13:01,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 03:13:01,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 03:13:01,918 INFO L87 Difference]: Start difference. First operand 728 states and 884 transitions. Second operand 3 states. [2020-09-25 03:13:01,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:13:01,986 INFO L93 Difference]: Finished difference Result 1311 states and 1624 transitions. [2020-09-25 03:13:01,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 03:13:01,987 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 224 [2020-09-25 03:13:01,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:13:01,992 INFO L225 Difference]: With dead ends: 1311 [2020-09-25 03:13:01,993 INFO L226 Difference]: Without dead ends: 920 [2020-09-25 03:13:01,994 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 03:13:01,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 920 states. [2020-09-25 03:13:02,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 920 to 920. [2020-09-25 03:13:02,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 920 states. [2020-09-25 03:13:02,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 920 states and 1127 transitions. [2020-09-25 03:13:02,022 INFO L78 Accepts]: Start accepts. Automaton has 920 states and 1127 transitions. Word has length 224 [2020-09-25 03:13:02,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:13:02,023 INFO L479 AbstractCegarLoop]: Abstraction has 920 states and 1127 transitions. [2020-09-25 03:13:02,023 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 03:13:02,024 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1127 transitions. [2020-09-25 03:13:02,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2020-09-25 03:13:02,028 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:13:02,029 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:13:02,029 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 03:13:02,029 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:13:02,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:13:02,030 INFO L82 PathProgramCache]: Analyzing trace with hash 372344425, now seen corresponding path program 1 times [2020-09-25 03:13:02,030 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:13:02,030 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1888161577] [2020-09-25 03:13:02,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:13:02,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:13:02,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:02,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:02,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:02,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:02,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:13:02,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 256 [2020-09-25 03:13:02,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 03:13:02,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 700 [2020-09-25 03:13:02,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:13:02,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:13:02,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 229 [2020-09-25 03:13:02,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-09-25 03:13:02,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:13:02,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:13:02,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:13:02,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:02,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:13:02,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:13:02,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:13:02,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:13:02,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:13:02,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:13:02,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:13:02,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:13:02,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:13:02,911 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-09-25 03:13:02,912 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1888161577] [2020-09-25 03:13:02,913 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:13:02,913 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 03:13:02,913 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806302190] [2020-09-25 03:13:02,914 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 03:13:02,914 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:13:02,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 03:13:02,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 03:13:02,915 INFO L87 Difference]: Start difference. First operand 920 states and 1127 transitions. Second operand 3 states. [2020-09-25 03:13:02,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:13:02,982 INFO L93 Difference]: Finished difference Result 1695 states and 2110 transitions. [2020-09-25 03:13:02,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 03:13:02,985 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 247 [2020-09-25 03:13:02,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:13:02,991 INFO L225 Difference]: With dead ends: 1695 [2020-09-25 03:13:02,992 INFO L226 Difference]: Without dead ends: 1112 [2020-09-25 03:13:02,993 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 03:13:02,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1112 states. [2020-09-25 03:13:03,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1112 to 1112. [2020-09-25 03:13:03,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1112 states. [2020-09-25 03:13:03,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 1371 transitions. [2020-09-25 03:13:03,034 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 1371 transitions. Word has length 247 [2020-09-25 03:13:03,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:13:03,035 INFO L479 AbstractCegarLoop]: Abstraction has 1112 states and 1371 transitions. [2020-09-25 03:13:03,035 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 03:13:03,035 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 1371 transitions. [2020-09-25 03:13:03,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2020-09-25 03:13:03,041 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:13:03,042 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:13:03,042 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 03:13:03,042 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:13:03,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:13:03,043 INFO L82 PathProgramCache]: Analyzing trace with hash -168061962, now seen corresponding path program 1 times [2020-09-25 03:13:03,043 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:13:03,044 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [745281498] [2020-09-25 03:13:03,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:13:03,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:13:03,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:03,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:13:03,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 281 [2020-09-25 03:13:03,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:13:03,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 237 [2020-09-25 03:13:03,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:13:03,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:13:03,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 208 [2020-09-25 03:13:03,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-25 03:13:03,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:13:03,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:13:03,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:13:03,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:03,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:13:03,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:13:03,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:13:03,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:13:03,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:13:03,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:13:03,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:13:03,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:13:03,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:13:03,440 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-09-25 03:13:03,441 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [745281498] [2020-09-25 03:13:03,443 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:13:03,444 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 03:13:03,444 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464625480] [2020-09-25 03:13:03,445 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 03:13:03,445 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:13:03,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 03:13:03,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 03:13:03,446 INFO L87 Difference]: Start difference. First operand 1112 states and 1371 transitions. Second operand 3 states. [2020-09-25 03:13:03,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:13:03,723 INFO L93 Difference]: Finished difference Result 2389 states and 3093 transitions. [2020-09-25 03:13:03,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 03:13:03,724 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 272 [2020-09-25 03:13:03,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:13:03,735 INFO L225 Difference]: With dead ends: 2389 [2020-09-25 03:13:03,735 INFO L226 Difference]: Without dead ends: 1417 [2020-09-25 03:13:03,738 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 03:13:03,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1417 states. [2020-09-25 03:13:03,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1417 to 1332. [2020-09-25 03:13:03,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1332 states. [2020-09-25 03:13:03,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1332 states to 1332 states and 1636 transitions. [2020-09-25 03:13:03,789 INFO L78 Accepts]: Start accepts. Automaton has 1332 states and 1636 transitions. Word has length 272 [2020-09-25 03:13:03,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:13:03,790 INFO L479 AbstractCegarLoop]: Abstraction has 1332 states and 1636 transitions. [2020-09-25 03:13:03,790 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 03:13:03,790 INFO L276 IsEmpty]: Start isEmpty. Operand 1332 states and 1636 transitions. [2020-09-25 03:13:03,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2020-09-25 03:13:03,801 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:13:03,802 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:13:03,802 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-25 03:13:03,803 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:13:03,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:13:03,803 INFO L82 PathProgramCache]: Analyzing trace with hash -1703791530, now seen corresponding path program 1 times [2020-09-25 03:13:03,804 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:13:03,804 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1879730305] [2020-09-25 03:13:03,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:13:03,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-25 03:13:03,850 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-25 03:13:03,850 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-25 03:13:03,857 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-25 03:13:03,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 03:13:03 BoogieIcfgContainer [2020-09-25 03:13:03,899 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 03:13:03,903 INFO L168 Benchmark]: Toolchain (without parser) took 7882.23 ms. Allocated memory was 139.5 MB in the beginning and 341.3 MB in the end (delta: 201.9 MB). Free memory was 102.2 MB in the beginning and 241.9 MB in the end (delta: -139.8 MB). Peak memory consumption was 62.1 MB. Max. memory is 7.1 GB. [2020-09-25 03:13:03,904 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-25 03:13:03,905 INFO L168 Benchmark]: CACSL2BoogieTranslator took 550.36 ms. Allocated memory was 139.5 MB in the beginning and 202.4 MB in the end (delta: 62.9 MB). Free memory was 101.5 MB in the beginning and 179.5 MB in the end (delta: -77.9 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. [2020-09-25 03:13:03,906 INFO L168 Benchmark]: Boogie Preprocessor took 64.57 ms. Allocated memory is still 202.4 MB. Free memory was 179.5 MB in the beginning and 177.0 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2020-09-25 03:13:03,907 INFO L168 Benchmark]: RCFGBuilder took 961.20 ms. Allocated memory is still 202.4 MB. Free memory was 177.0 MB in the beginning and 113.1 MB in the end (delta: 63.9 MB). Peak memory consumption was 63.9 MB. Max. memory is 7.1 GB. [2020-09-25 03:13:03,908 INFO L168 Benchmark]: TraceAbstraction took 6296.28 ms. Allocated memory was 202.4 MB in the beginning and 341.3 MB in the end (delta: 138.9 MB). Free memory was 112.4 MB in the beginning and 241.9 MB in the end (delta: -129.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2020-09-25 03:13:03,912 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 550.36 ms. Allocated memory was 139.5 MB in the beginning and 202.4 MB in the end (delta: 62.9 MB). Free memory was 101.5 MB in the beginning and 179.5 MB in the end (delta: -77.9 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 64.57 ms. Allocated memory is still 202.4 MB. Free memory was 179.5 MB in the beginning and 177.0 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 961.20 ms. Allocated memory is still 202.4 MB. Free memory was 177.0 MB in the beginning and 113.1 MB in the end (delta: 63.9 MB). Peak memory consumption was 63.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 6296.28 ms. Allocated memory was 202.4 MB in the beginning and 341.3 MB in the end (delta: 138.9 MB). Free memory was 112.4 MB in the beginning and 241.9 MB in the end (delta: -129.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 543]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L548] int s ; [L552] s = 12292 [L553] CALL ssl3_connect(12292) [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__bbio = __VERIFIER_nondet_int() ; [L20] int s__wbio = __VERIFIER_nondet_int() ; [L21] int s__hit = __VERIFIER_nondet_int() ; [L22] int s__rwstate ; [L23] int s__init_buf___0 = 1; [L24] int s__debug = __VERIFIER_nondet_int() ; [L25] int s__shutdown ; [L26] int s__ctx__info_callback = __VERIFIER_nondet_int() ; [L27] int s__ctx__stats__sess_connect_renegotiate = __VERIFIER_nondet_int() ; [L28] int s__ctx__stats__sess_connect = __VERIFIER_nondet_int() ; [L29] int s__ctx__stats__sess_hit = __VERIFIER_nondet_int() ; [L30] int s__ctx__stats__sess_connect_good = __VERIFIER_nondet_int() ; [L31] int s__s3__change_cipher_spec ; [L32] int s__s3__flags ; [L33] int s__s3__delay_buf_pop_ret ; [L34] int s__s3__tmp__cert_req = __VERIFIER_nondet_int() ; [L35] int s__s3__tmp__new_compression = __VERIFIER_nondet_int() ; [L36] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int() ; [L37] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int() ; [L38] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int() ; [L39] int s__s3__tmp__next_state___0 ; [L40] int s__s3__tmp__new_compression__id = __VERIFIER_nondet_int() ; [L41] int s__session__cipher ; [L42] int s__session__compress_meth ; [L43] int buf ; [L44] unsigned long tmp ; [L45] unsigned long l ; [L46] int num1 ; [L47] int cb ; [L48] int ret ; [L49] int new_state ; [L50] int state ; [L51] int skip ; [L52] int tmp___0 ; [L53] int tmp___1 = __VERIFIER_nondet_int() ; [L54] int tmp___2 = __VERIFIER_nondet_int() ; [L55] int tmp___3 = __VERIFIER_nondet_int() ; [L56] int tmp___4 = __VERIFIER_nondet_int() ; [L57] int tmp___5 = __VERIFIER_nondet_int() ; [L58] int tmp___6 = __VERIFIER_nondet_int() ; [L59] int tmp___7 = __VERIFIER_nondet_int() ; [L60] int tmp___8 = __VERIFIER_nondet_int() ; [L61] int tmp___9 = __VERIFIER_nondet_int() ; [L62] int blastFlag ; [L63] int __cil_tmp55 ; [L64] long __cil_tmp56 ; [L65] long __cil_tmp57 ; [L66] long __cil_tmp58 ; [L67] long __cil_tmp59 ; [L68] long __cil_tmp60 ; [L69] long __cil_tmp61 ; [L70] long __cil_tmp62 ; [L71] long __cil_tmp63 ; [L72] long __cil_tmp64 ; [L76] s__state = initial_state [L77] blastFlag = 0 [L78] tmp = __VERIFIER_nondet_int() [L79] cb = 0 [L80] ret = -1 [L81] skip = 0 [L82] tmp___0 = 0 [L83] COND TRUE s__info_callback != 0 [L84] cb = s__info_callback [L90] s__in_handshake ++ [L91] COND FALSE !(tmp___1 - 12288) [L97] COND TRUE 1 [L99] state = s__state [L100] COND TRUE s__state == 12292 [L202] s__new_session = 1 [L203] s__state = 4096 [L204] s__ctx__stats__sess_connect_renegotiate ++ [L209] s__server = 0 [L210] COND TRUE cb != 0 [L214] __cil_tmp55 = s__version - 65280 [L215] COND FALSE !(__cil_tmp55 != 768) [L220] s__type = 4096 [L221] COND FALSE !(s__init_buf___0 == 0) [L233] COND FALSE !(! tmp___4) [L237] COND FALSE !(! tmp___5) [L241] s__state = 4368 [L242] s__ctx__stats__sess_connect ++ [L243] s__init_num = 0 [L515] COND FALSE !(! s__s3__tmp__reuse_message) [L532] skip = 0 [L97] COND TRUE 1 [L99] state = s__state [L100] COND FALSE !(s__state == 12292) [L103] COND FALSE !(s__state == 16384) [L106] COND FALSE !(s__state == 4096) [L109] COND FALSE !(s__state == 20480) [L112] COND FALSE !(s__state == 4099) [L115] COND TRUE s__state == 4368 [L247] s__shutdown = 0 [L248] ret = __VERIFIER_nondet_int() [L249] COND TRUE blastFlag == 0 [L250] blastFlag = 1 [L252] COND FALSE !(ret <= 0) [L255] s__state = 4384 [L256] s__init_num = 0 [L257] COND TRUE s__bbio != s__wbio [L515] COND FALSE !(! s__s3__tmp__reuse_message) [L532] skip = 0 [L97] COND TRUE 1 [L99] state = s__state [L100] COND FALSE !(s__state == 12292) [L103] COND FALSE !(s__state == 16384) [L106] COND FALSE !(s__state == 4096) [L109] COND FALSE !(s__state == 20480) [L112] COND FALSE !(s__state == 4099) [L115] COND FALSE !(s__state == 4368) [L118] COND FALSE !(s__state == 4369) [L121] COND TRUE s__state == 4384 [L263] ret = __VERIFIER_nondet_int() [L264] COND TRUE blastFlag == 1 [L265] blastFlag = 2 [L267] COND FALSE !(ret <= 0) [L270] COND FALSE !(\read(s__hit)) [L273] s__state = 4400 [L275] s__init_num = 0 [L515] COND FALSE !(! s__s3__tmp__reuse_message) [L532] skip = 0 [L97] COND TRUE 1 [L99] state = s__state [L100] COND FALSE !(s__state == 12292) [L103] COND FALSE !(s__state == 16384) [L106] COND FALSE !(s__state == 4096) [L109] COND FALSE !(s__state == 20480) [L112] COND FALSE !(s__state == 4099) [L115] COND FALSE !(s__state == 4368) [L118] COND FALSE !(s__state == 4369) [L121] COND FALSE !(s__state == 4384) [L124] COND FALSE !(s__state == 4385) [L127] COND TRUE s__state == 4400 [L279] COND FALSE !(s__s3__tmp__new_cipher__algorithms - 256) [L282] ret = __VERIFIER_nondet_int() [L283] COND TRUE blastFlag == 2 [L284] blastFlag = 3 [L286] COND FALSE !(ret <= 0) [L290] s__state = 4416 [L291] s__init_num = 0 [L515] COND FALSE !(! s__s3__tmp__reuse_message) [L532] skip = 0 [L97] COND TRUE 1 [L99] state = s__state [L100] COND FALSE !(s__state == 12292) [L103] COND FALSE !(s__state == 16384) [L106] COND FALSE !(s__state == 4096) [L109] COND FALSE !(s__state == 20480) [L112] COND FALSE !(s__state == 4099) [L115] COND FALSE !(s__state == 4368) [L118] COND FALSE !(s__state == 4369) [L121] COND FALSE !(s__state == 4384) [L124] COND FALSE !(s__state == 4385) [L127] COND FALSE !(s__state == 4400) [L130] COND FALSE !(s__state == 4401) [L133] COND TRUE s__state == 4416 [L295] ret = __VERIFIER_nondet_int() [L296] COND TRUE blastFlag == 3 [L297] blastFlag = 4 [L299] COND FALSE !(ret <= 0) [L302] s__state = 4432 [L303] s__init_num = 0 [L304] COND FALSE !(! tmp___6) [L515] COND FALSE !(! s__s3__tmp__reuse_message) [L532] skip = 0 [L97] COND TRUE 1 [L99] state = s__state [L100] COND FALSE !(s__state == 12292) [L103] COND FALSE !(s__state == 16384) [L106] COND FALSE !(s__state == 4096) [L109] COND FALSE !(s__state == 20480) [L112] COND FALSE !(s__state == 4099) [L115] COND FALSE !(s__state == 4368) [L118] COND FALSE !(s__state == 4369) [L121] COND FALSE !(s__state == 4384) [L124] COND FALSE !(s__state == 4385) [L127] COND FALSE !(s__state == 4400) [L130] COND FALSE !(s__state == 4401) [L133] COND FALSE !(s__state == 4416) [L136] COND FALSE !(s__state == 4417) [L139] COND TRUE s__state == 4432 [L311] ret = __VERIFIER_nondet_int() [L312] COND TRUE blastFlag == 4 [L543] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 383 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 6.1s, OverallIterations: 7, TraceHistogramMax: 6, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2450 SDtfs, 1786 SDslu, 2110 SDs, 0 SdLazy, 318 SolverSat, 59 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1332occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 85 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 1561 NumberOfCodeBlocks, 1561 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1283 ConstructedInterpolants, 0 QuantifiedInterpolants, 392873 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 275/275 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...