/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_2.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 03:12:58,719 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 03:12:58,723 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 03:12:58,749 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 03:12:58,750 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 03:12:58,751 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 03:12:58,753 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 03:12:58,755 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 03:12:58,757 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 03:12:58,758 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 03:12:58,759 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 03:12:58,761 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 03:12:58,762 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 03:12:58,763 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 03:12:58,764 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 03:12:58,766 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 03:12:58,767 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 03:12:58,768 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 03:12:58,770 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 03:12:58,772 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 03:12:58,774 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 03:12:58,775 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 03:12:58,777 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 03:12:58,780 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 03:12:58,785 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 03:12:58,785 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 03:12:58,786 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 03:12:58,790 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 03:12:58,790 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 03:12:58,792 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 03:12:58,794 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 03:12:58,795 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 03:12:58,796 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 03:12:58,798 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 03:12:58,801 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 03:12:58,801 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 03:12:58,802 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 03:12:58,802 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 03:12:58,802 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 03:12:58,803 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 03:12:58,804 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 03:12:58,807 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 03:12:58,865 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 03:12:58,865 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 03:12:58,867 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 03:12:58,867 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 03:12:58,867 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 03:12:58,868 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 03:12:58,868 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 03:12:58,868 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 03:12:58,868 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 03:12:58,868 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 03:12:58,869 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 03:12:58,869 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 03:12:58,869 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 03:12:58,869 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 03:12:58,869 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 03:12:58,870 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 03:12:58,870 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 03:12:58,870 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 03:12:58,870 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 03:12:58,870 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 03:12:58,871 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 03:12:58,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 03:12:58,872 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 03:12:58,872 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 03:12:58,873 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 03:12:58,873 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 03:12:58,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 03:12:58,873 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 03:12:58,873 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 03:12:58,874 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 03:12:59,332 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 03:12:59,354 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 03:12:59,358 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 03:12:59,359 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 03:12:59,360 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 03:12:59,360 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh-simplified/s3_clnt_2.cil-1.c [2020-09-25 03:12:59,446 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/23f3ec52a/ee10b10c969b4da885839b5a0247438c/FLAGab956fe24 [2020-09-25 03:13:00,035 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 03:13:00,036 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ssh-simplified/s3_clnt_2.cil-1.c [2020-09-25 03:13:00,048 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/23f3ec52a/ee10b10c969b4da885839b5a0247438c/FLAGab956fe24 [2020-09-25 03:13:00,343 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/23f3ec52a/ee10b10c969b4da885839b5a0247438c [2020-09-25 03:13:00,357 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 03:13:00,363 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 03:13:00,364 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 03:13:00,365 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 03:13:00,370 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 03:13:00,372 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:13:00" (1/1) ... [2020-09-25 03:13:00,378 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@559d5a1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:13:00, skipping insertion in model container [2020-09-25 03:13:00,378 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:13:00" (1/1) ... [2020-09-25 03:13:00,388 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 03:13:00,460 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 03:13:00,780 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:13:00,785 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 03:13:00,969 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:13:00,987 INFO L208 MainTranslator]: Completed translation [2020-09-25 03:13:00,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:13:00 WrapperNode [2020-09-25 03:13:00,988 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 03:13:00,989 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 03:13:00,989 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 03:13:00,989 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 03:13:01,004 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:13:00" (1/1) ... [2020-09-25 03:13:01,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:13:00" (1/1) ... [2020-09-25 03:13:01,015 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:13:00" (1/1) ... [2020-09-25 03:13:01,015 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:13:00" (1/1) ... [2020-09-25 03:13:01,028 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:13:00" (1/1) ... [2020-09-25 03:13:01,043 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:13:00" (1/1) ... [2020-09-25 03:13:01,046 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:13:00" (1/1) ... [2020-09-25 03:13:01,051 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 03:13:01,052 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 03:13:01,052 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 03:13:01,052 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 03:13:01,053 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:13:00" (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 03:13:01,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 03:13:01,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 03:13:01,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2020-09-25 03:13:01,133 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 03:13:01,133 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 03:13:01,133 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-09-25 03:13:01,133 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 03:13:01,133 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-09-25 03:13:01,134 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2020-09-25 03:13:01,134 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 03:13:01,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 03:13:01,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 03:13:01,317 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-09-25 03:13:01,988 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2020-09-25 03:13:01,989 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2020-09-25 03:13:02,022 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 03:13:02,022 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-25 03:13:02,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:13:02 BoogieIcfgContainer [2020-09-25 03:13:02,030 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 03:13:02,032 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 03:13:02,032 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 03:13:02,036 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 03:13:02,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 03:13:00" (1/3) ... [2020-09-25 03:13:02,037 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d5aebe5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:13:02, skipping insertion in model container [2020-09-25 03:13:02,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:13:00" (2/3) ... [2020-09-25 03:13:02,038 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d5aebe5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:13:02, skipping insertion in model container [2020-09-25 03:13:02,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:13:02" (3/3) ... [2020-09-25 03:13:02,040 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_clnt_2.cil-1.c [2020-09-25 03:13:02,052 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 03:13:02,064 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 03:13:02,088 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 03:13:02,124 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 03:13:02,124 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 03:13:02,125 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 03:13:02,125 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 03:13:02,125 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 03:13:02,125 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 03:13:02,125 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 03:13:02,126 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 03:13:02,157 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states. [2020-09-25 03:13:02,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 03:13:02,176 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:13:02,178 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, 1] [2020-09-25 03:13:02,178 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:13:02,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:13:02,187 INFO L82 PathProgramCache]: Analyzing trace with hash 1688119681, now seen corresponding path program 1 times [2020-09-25 03:13:02,199 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:13:02,199 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [764533851] [2020-09-25 03:13:02,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:13:02,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:13:02,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:02,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:03,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:03,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:13:03,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-09-25 03:13:03,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 03:13:03,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1360 [2020-09-25 03:13:03,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:13:03,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:13:03,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-25 03:13:03,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 153 [2020-09-25 03:13:03,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 03:13:03,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:13:03,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:13:03,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:03,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:13:03,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:13:03,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:13:03,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:13:03,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:13:03,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:13:03,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:13:03,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:13:03,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:13:04,092 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 03:13:04,093 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [764533851] [2020-09-25 03:13:04,095 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:13:04,096 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 03:13:04,097 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444772601] [2020-09-25 03:13:04,104 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 03:13:04,104 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:13:04,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 03:13:04,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-25 03:13:04,127 INFO L87 Difference]: Start difference. First operand 385 states. Second operand 6 states. [2020-09-25 03:13:04,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:13:04,448 INFO L93 Difference]: Finished difference Result 629 states and 804 transitions. [2020-09-25 03:13:04,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-25 03:13:04,450 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 161 [2020-09-25 03:13:04,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:13:04,485 INFO L225 Difference]: With dead ends: 629 [2020-09-25 03:13:04,485 INFO L226 Difference]: Without dead ends: 346 [2020-09-25 03:13:04,491 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-09-25 03:13:04,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2020-09-25 03:13:04,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 346. [2020-09-25 03:13:04,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 346 states. [2020-09-25 03:13:04,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 403 transitions. [2020-09-25 03:13:04,564 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 403 transitions. Word has length 161 [2020-09-25 03:13:04,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:13:04,565 INFO L479 AbstractCegarLoop]: Abstraction has 346 states and 403 transitions. [2020-09-25 03:13:04,565 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 03:13:04,565 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 403 transitions. [2020-09-25 03:13:04,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-09-25 03:13:04,570 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:13:04,570 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, 1] [2020-09-25 03:13:04,571 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 03:13:04,571 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:13:04,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:13:04,571 INFO L82 PathProgramCache]: Analyzing trace with hash -975331194, now seen corresponding path program 1 times [2020-09-25 03:13:04,572 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:13:04,572 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1375213093] [2020-09-25 03:13:04,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:13:04,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:13:04,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:04,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:04,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:04,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:13:04,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-09-25 03:13:04,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 03:13:04,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 361 [2020-09-25 03:13:04,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:13:04,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:13:04,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-25 03:13:04,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-25 03:13:04,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:13:05,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:13:05,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:13:05,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:05,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:13:05,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:13:05,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:13:05,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:13:05,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:13:05,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:13:05,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:13:05,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:13:05,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:13:05,094 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 03:13:05,095 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1375213093] [2020-09-25 03:13:05,096 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:13:05,098 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 03:13:05,098 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939751616] [2020-09-25 03:13:05,103 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 03:13:05,103 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:13:05,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 03:13:05,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 03:13:05,113 INFO L87 Difference]: Start difference. First operand 346 states and 403 transitions. Second operand 3 states. [2020-09-25 03:13:05,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:13:05,202 INFO L93 Difference]: Finished difference Result 739 states and 903 transitions. [2020-09-25 03:13:05,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 03:13:05,204 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 184 [2020-09-25 03:13:05,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:13:05,213 INFO L225 Difference]: With dead ends: 739 [2020-09-25 03:13:05,213 INFO L226 Difference]: Without dead ends: 539 [2020-09-25 03:13:05,220 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 03:13:05,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2020-09-25 03:13:05,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 539. [2020-09-25 03:13:05,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 539 states. [2020-09-25 03:13:05,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 645 transitions. [2020-09-25 03:13:05,279 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 645 transitions. Word has length 184 [2020-09-25 03:13:05,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:13:05,282 INFO L479 AbstractCegarLoop]: Abstraction has 539 states and 645 transitions. [2020-09-25 03:13:05,282 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 03:13:05,283 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 645 transitions. [2020-09-25 03:13:05,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-09-25 03:13:05,293 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:13:05,294 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, 1] [2020-09-25 03:13:05,294 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 03:13:05,294 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:13:05,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:13:05,296 INFO L82 PathProgramCache]: Analyzing trace with hash -574346418, now seen corresponding path program 1 times [2020-09-25 03:13:05,296 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:13:05,296 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1091391949] [2020-09-25 03:13:05,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:13:05,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:13:05,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:05,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:05,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:05,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:13:05,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 213 [2020-09-25 03:13:05,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 03:13:05,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 415 [2020-09-25 03:13:05,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:13:05,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:13:05,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 185 [2020-09-25 03:13:05,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-25 03:13:05,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:13:05,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:13:05,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:13:05,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:05,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:13:05,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:13:05,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:13:05,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:13:05,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:13:05,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:13:05,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:13:05,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:13:05,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:13:05,867 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 03:13:05,867 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1091391949] [2020-09-25 03:13:05,868 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:13:05,868 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 03:13:05,868 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261300075] [2020-09-25 03:13:05,870 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 03:13:05,870 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:13:05,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 03:13:05,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 03:13:05,873 INFO L87 Difference]: Start difference. First operand 539 states and 645 transitions. Second operand 3 states. [2020-09-25 03:13:05,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:13:05,950 INFO L93 Difference]: Finished difference Result 932 states and 1145 transitions. [2020-09-25 03:13:05,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 03:13:05,950 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 204 [2020-09-25 03:13:05,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:13:05,957 INFO L225 Difference]: With dead ends: 932 [2020-09-25 03:13:05,958 INFO L226 Difference]: Without dead ends: 732 [2020-09-25 03:13:05,959 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 03:13:05,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 732 states. [2020-09-25 03:13:05,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 732 to 732. [2020-09-25 03:13:05,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 732 states. [2020-09-25 03:13:05,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 732 states and 888 transitions. [2020-09-25 03:13:05,994 INFO L78 Accepts]: Start accepts. Automaton has 732 states and 888 transitions. Word has length 204 [2020-09-25 03:13:05,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:13:05,995 INFO L479 AbstractCegarLoop]: Abstraction has 732 states and 888 transitions. [2020-09-25 03:13:05,995 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 03:13:05,995 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 888 transitions. [2020-09-25 03:13:05,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2020-09-25 03:13:05,999 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:13:05,999 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, 1] [2020-09-25 03:13:06,000 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 03:13:06,000 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:13:06,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:13:06,001 INFO L82 PathProgramCache]: Analyzing trace with hash -2117708685, now seen corresponding path program 1 times [2020-09-25 03:13:06,001 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:13:06,002 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [597960092] [2020-09-25 03:13:06,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:13:06,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:13:06,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:06,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:06,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:13:06,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 234 [2020-09-25 03:13:06,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 03:13:06,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 433 [2020-09-25 03:13:06,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:13:06,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:13:06,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 206 [2020-09-25 03:13:06,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-25 03:13:06,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:13:06,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:13:06,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:13:06,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:06,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:13:06,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:13:06,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:13:06,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:13:06,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:13:06,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:13:06,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:13:06,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:13:06,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:13:06,587 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 03:13:06,589 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [597960092] [2020-09-25 03:13:06,590 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:13:06,590 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 03:13:06,590 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308713202] [2020-09-25 03:13:06,591 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 03:13:06,591 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:13:06,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 03:13:06,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 03:13:06,593 INFO L87 Difference]: Start difference. First operand 732 states and 888 transitions. Second operand 3 states. [2020-09-25 03:13:06,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:13:06,680 INFO L93 Difference]: Finished difference Result 1318 states and 1631 transitions. [2020-09-25 03:13:06,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 03:13:06,682 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 225 [2020-09-25 03:13:06,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:13:06,688 INFO L225 Difference]: With dead ends: 1318 [2020-09-25 03:13:06,688 INFO L226 Difference]: Without dead ends: 925 [2020-09-25 03:13:06,690 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 03:13:06,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 925 states. [2020-09-25 03:13:06,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 925 to 925. [2020-09-25 03:13:06,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 925 states. [2020-09-25 03:13:06,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 925 states and 1132 transitions. [2020-09-25 03:13:06,718 INFO L78 Accepts]: Start accepts. Automaton has 925 states and 1132 transitions. Word has length 225 [2020-09-25 03:13:06,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:13:06,719 INFO L479 AbstractCegarLoop]: Abstraction has 925 states and 1132 transitions. [2020-09-25 03:13:06,719 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 03:13:06,719 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1132 transitions. [2020-09-25 03:13:06,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2020-09-25 03:13:06,724 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:13:06,724 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, 1, 1] [2020-09-25 03:13:06,724 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 03:13:06,724 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:13:06,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:13:06,725 INFO L82 PathProgramCache]: Analyzing trace with hash -521708379, now seen corresponding path program 1 times [2020-09-25 03:13:06,725 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:13:06,725 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1195761341] [2020-09-25 03:13:06,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:13:06,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:13:06,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:06,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:07,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:07,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:07,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:13:07,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 258 [2020-09-25 03:13:07,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 03:13:07,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 877 [2020-09-25 03:13:07,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:13:07,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:13:07,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 231 [2020-09-25 03:13:07,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-09-25 03:13:07,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:13:07,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:13:07,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:13:07,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:07,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:13:07,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:13:07,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:13:07,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:13:07,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:13:07,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:13:07,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:13:07,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:13:07,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:13:07,776 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 03:13:07,776 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1195761341] [2020-09-25 03:13:07,777 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:13:07,777 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 03:13:07,777 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926525081] [2020-09-25 03:13:07,778 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 03:13:07,778 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:13:07,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 03:13:07,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 03:13:07,779 INFO L87 Difference]: Start difference. First operand 925 states and 1132 transitions. Second operand 3 states. [2020-09-25 03:13:07,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:13:07,856 INFO L93 Difference]: Finished difference Result 1704 states and 2119 transitions. [2020-09-25 03:13:07,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 03:13:07,859 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 249 [2020-09-25 03:13:07,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:13:07,866 INFO L225 Difference]: With dead ends: 1704 [2020-09-25 03:13:07,866 INFO L226 Difference]: Without dead ends: 1118 [2020-09-25 03:13:07,868 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 03:13:07,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1118 states. [2020-09-25 03:13:07,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1118 to 1118. [2020-09-25 03:13:07,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1118 states. [2020-09-25 03:13:07,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1118 states to 1118 states and 1377 transitions. [2020-09-25 03:13:07,903 INFO L78 Accepts]: Start accepts. Automaton has 1118 states and 1377 transitions. Word has length 249 [2020-09-25 03:13:07,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:13:07,904 INFO L479 AbstractCegarLoop]: Abstraction has 1118 states and 1377 transitions. [2020-09-25 03:13:07,904 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 03:13:07,904 INFO L276 IsEmpty]: Start isEmpty. Operand 1118 states and 1377 transitions. [2020-09-25 03:13:07,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2020-09-25 03:13:07,909 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:13:07,909 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, 1, 1] [2020-09-25 03:13:07,910 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 03:13:07,910 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:13:07,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:13:07,910 INFO L82 PathProgramCache]: Analyzing trace with hash 490514388, now seen corresponding path program 1 times [2020-09-25 03:13:07,911 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:13:07,911 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1366118329] [2020-09-25 03:13:07,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:13:07,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:13:07,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:08,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:13:08,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 283 [2020-09-25 03:13:08,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:13:08,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 235 [2020-09-25 03:13:08,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:13:08,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:13:08,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 209 [2020-09-25 03:13:08,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-25 03:13:08,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:13:08,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:13:08,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:13:08,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:08,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:13:08,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:13:08,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:13:08,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 03:13:08,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:13:08,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:13:08,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:13:08,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:13:08,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:13:08,297 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 03:13:08,298 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1366118329] [2020-09-25 03:13:08,301 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:13:08,302 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 03:13:08,302 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880080898] [2020-09-25 03:13:08,305 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 03:13:08,305 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:13:08,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 03:13:08,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 03:13:08,306 INFO L87 Difference]: Start difference. First operand 1118 states and 1377 transitions. Second operand 3 states. [2020-09-25 03:13:08,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:13:08,572 INFO L93 Difference]: Finished difference Result 2400 states and 3104 transitions. [2020-09-25 03:13:08,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 03:13:08,573 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 274 [2020-09-25 03:13:08,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:13:08,581 INFO L225 Difference]: With dead ends: 2400 [2020-09-25 03:13:08,581 INFO L226 Difference]: Without dead ends: 1423 [2020-09-25 03:13:08,585 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 03:13:08,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1423 states. [2020-09-25 03:13:08,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1423 to 1338. [2020-09-25 03:13:08,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1338 states. [2020-09-25 03:13:08,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1338 states to 1338 states and 1642 transitions. [2020-09-25 03:13:08,619 INFO L78 Accepts]: Start accepts. Automaton has 1338 states and 1642 transitions. Word has length 274 [2020-09-25 03:13:08,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:13:08,620 INFO L479 AbstractCegarLoop]: Abstraction has 1338 states and 1642 transitions. [2020-09-25 03:13:08,620 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 03:13:08,620 INFO L276 IsEmpty]: Start isEmpty. Operand 1338 states and 1642 transitions. [2020-09-25 03:13:08,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2020-09-25 03:13:08,626 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:13:08,627 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, 1, 1] [2020-09-25 03:13:08,627 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-25 03:13:08,627 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:13:08,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:13:08,628 INFO L82 PathProgramCache]: Analyzing trace with hash 127538036, now seen corresponding path program 1 times [2020-09-25 03:13:08,628 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:13:08,628 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1146560451] [2020-09-25 03:13:08,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:13:08,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-25 03:13:08,674 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-25 03:13:08,674 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-25 03:13:08,682 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-25 03:13:08,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 03:13:08 BoogieIcfgContainer [2020-09-25 03:13:08,735 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 03:13:08,740 INFO L168 Benchmark]: Toolchain (without parser) took 8378.87 ms. Allocated memory was 138.4 MB in the beginning and 341.8 MB in the end (delta: 203.4 MB). Free memory was 101.0 MB in the beginning and 249.3 MB in the end (delta: -148.4 MB). Peak memory consumption was 55.0 MB. Max. memory is 7.1 GB. [2020-09-25 03:13:08,741 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-25 03:13:08,746 INFO L168 Benchmark]: CACSL2BoogieTranslator took 623.94 ms. Allocated memory was 138.4 MB in the beginning and 200.8 MB in the end (delta: 62.4 MB). Free memory was 100.3 MB in the beginning and 176.4 MB in the end (delta: -76.1 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. [2020-09-25 03:13:08,748 INFO L168 Benchmark]: Boogie Preprocessor took 62.78 ms. Allocated memory is still 200.8 MB. Free memory was 176.4 MB in the beginning and 173.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. [2020-09-25 03:13:08,748 INFO L168 Benchmark]: RCFGBuilder took 978.67 ms. Allocated memory is still 200.8 MB. Free memory was 173.3 MB in the beginning and 109.8 MB in the end (delta: 63.5 MB). Peak memory consumption was 63.5 MB. Max. memory is 7.1 GB. [2020-09-25 03:13:08,749 INFO L168 Benchmark]: TraceAbstraction took 6703.71 ms. Allocated memory was 200.8 MB in the beginning and 341.8 MB in the end (delta: 141.0 MB). Free memory was 109.1 MB in the beginning and 249.3 MB in the end (delta: -140.2 MB). Peak memory consumption was 802.5 kB. Max. memory is 7.1 GB. [2020-09-25 03:13:08,762 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 623.94 ms. Allocated memory was 138.4 MB in the beginning and 200.8 MB in the end (delta: 62.4 MB). Free memory was 100.3 MB in the beginning and 176.4 MB in the end (delta: -76.1 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 62.78 ms. Allocated memory is still 200.8 MB. Free memory was 176.4 MB in the beginning and 173.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 978.67 ms. Allocated memory is still 200.8 MB. Free memory was 173.3 MB in the beginning and 109.8 MB in the end (delta: 63.5 MB). Peak memory consumption was 63.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 6703.71 ms. Allocated memory was 200.8 MB in the beginning and 341.8 MB in the end (delta: 141.0 MB). Free memory was 109.1 MB in the beginning and 249.3 MB in the end (delta: -140.2 MB). Peak memory consumption was 802.5 kB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 548]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L553] int s ; [L557] s = 12292 [L558] CALL ssl3_connect(s) [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] unsigned 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 ; [L73] long __cil_tmp65 ; [L77] s__state = initial_state [L78] blastFlag = 0 [L79] tmp = __VERIFIER_nondet_int() [L80] cb = 0 [L81] ret = -1 [L82] skip = 0 [L83] tmp___0 = 0 [L84] COND TRUE s__info_callback != 0 [L85] cb = s__info_callback [L91] s__in_handshake ++ [L92] COND FALSE !(tmp___1 - 12288) [L98] COND TRUE 1 [L100] state = s__state [L101] COND TRUE s__state == 12292 [L203] s__new_session = 1 [L204] s__state = 4096 [L205] s__ctx__stats__sess_connect_renegotiate ++ [L210] s__server = 0 [L211] COND TRUE cb != 0 [L215] __cil_tmp55 = s__version - 65280 [L216] COND FALSE !(__cil_tmp55 != 768) [L221] s__type = 4096 [L222] COND FALSE !(s__init_buf___0 == 0) [L234] COND FALSE !(! tmp___4) [L238] COND FALSE !(! tmp___5) [L242] s__state = 4368 [L243] s__ctx__stats__sess_connect ++ [L244] s__init_num = 0 [L520] COND FALSE !(! s__s3__tmp__reuse_message) [L537] skip = 0 [L98] COND TRUE 1 [L100] state = s__state [L101] COND FALSE !(s__state == 12292) [L104] COND FALSE !(s__state == 16384) [L107] COND FALSE !(s__state == 4096) [L110] COND FALSE !(s__state == 20480) [L113] COND FALSE !(s__state == 4099) [L116] COND TRUE s__state == 4368 [L248] s__shutdown = 0 [L249] ret = __VERIFIER_nondet_int() [L250] COND TRUE blastFlag == 0 [L251] blastFlag = 1 [L257] COND FALSE !(ret <= 0) [L260] s__state = 4384 [L261] s__init_num = 0 [L262] COND TRUE s__bbio != s__wbio [L520] COND FALSE !(! s__s3__tmp__reuse_message) [L537] skip = 0 [L98] COND TRUE 1 [L100] state = s__state [L101] COND FALSE !(s__state == 12292) [L104] COND FALSE !(s__state == 16384) [L107] COND FALSE !(s__state == 4096) [L110] COND FALSE !(s__state == 20480) [L113] COND FALSE !(s__state == 4099) [L116] COND FALSE !(s__state == 4368) [L119] COND FALSE !(s__state == 4369) [L122] COND TRUE s__state == 4384 [L268] ret = __VERIFIER_nondet_int() [L269] COND TRUE blastFlag == 1 [L270] blastFlag = 2 [L272] COND FALSE !(ret <= 0) [L275] COND FALSE !(\read(s__hit)) [L278] s__state = 4400 [L280] s__init_num = 0 [L520] COND FALSE !(! s__s3__tmp__reuse_message) [L537] skip = 0 [L98] COND TRUE 1 [L100] state = s__state [L101] COND FALSE !(s__state == 12292) [L104] COND FALSE !(s__state == 16384) [L107] COND FALSE !(s__state == 4096) [L110] COND FALSE !(s__state == 20480) [L113] COND FALSE !(s__state == 4099) [L116] COND FALSE !(s__state == 4368) [L119] COND FALSE !(s__state == 4369) [L122] COND FALSE !(s__state == 4384) [L125] COND FALSE !(s__state == 4385) [L128] COND TRUE s__state == 4400 [L285] __cil_tmp56 = (unsigned long )s__s3__tmp__new_cipher__algorithms [L286] COND FALSE !(__cil_tmp56 - 256UL) [L289] ret = __VERIFIER_nondet_int() [L290] COND TRUE blastFlag == 2 [L291] blastFlag = 3 [L293] COND FALSE !(ret <= 0) [L298] s__state = 4416 [L299] s__init_num = 0 [L520] COND FALSE !(! s__s3__tmp__reuse_message) [L537] skip = 0 [L98] COND TRUE 1 [L100] state = s__state [L101] COND FALSE !(s__state == 12292) [L104] COND FALSE !(s__state == 16384) [L107] COND FALSE !(s__state == 4096) [L110] COND FALSE !(s__state == 20480) [L113] COND FALSE !(s__state == 4099) [L116] COND FALSE !(s__state == 4368) [L119] COND FALSE !(s__state == 4369) [L122] COND FALSE !(s__state == 4384) [L125] COND FALSE !(s__state == 4385) [L128] COND FALSE !(s__state == 4400) [L131] COND FALSE !(s__state == 4401) [L134] COND TRUE s__state == 4416 [L303] ret = __VERIFIER_nondet_int() [L304] COND TRUE blastFlag == 3 [L305] blastFlag = 4 [L307] COND FALSE !(ret <= 0) [L310] s__state = 4432 [L311] s__init_num = 0 [L312] COND FALSE !(! tmp___6) [L520] COND FALSE !(! s__s3__tmp__reuse_message) [L537] skip = 0 [L98] COND TRUE 1 [L100] state = s__state [L101] COND FALSE !(s__state == 12292) [L104] COND FALSE !(s__state == 16384) [L107] COND FALSE !(s__state == 4096) [L110] COND FALSE !(s__state == 20480) [L113] COND FALSE !(s__state == 4099) [L116] COND FALSE !(s__state == 4368) [L119] COND FALSE !(s__state == 4369) [L122] COND FALSE !(s__state == 4384) [L125] COND FALSE !(s__state == 4385) [L128] COND FALSE !(s__state == 4400) [L131] COND FALSE !(s__state == 4401) [L134] COND FALSE !(s__state == 4416) [L137] COND FALSE !(s__state == 4417) [L140] COND TRUE s__state == 4432 [L319] ret = __VERIFIER_nondet_int() [L320] COND TRUE blastFlag == 4 [L548] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 385 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 6.5s, OverallIterations: 7, TraceHistogramMax: 6, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2467 SDtfs, 1797 SDslu, 2580 SDs, 0 SdLazy, 323 SolverSat, 59 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1338occurred 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, 4.2s InterpolantComputationTime, 1571 NumberOfCodeBlocks, 1571 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1291 ConstructedInterpolants, 0 QuantifiedInterpolants, 397797 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...