/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_3.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 03:12:59,960 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 03:12:59,963 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 03:12:59,990 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 03:12:59,990 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 03:12:59,992 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 03:12:59,993 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 03:12:59,995 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 03:12:59,997 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 03:12:59,998 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 03:12:59,999 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 03:13:00,001 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 03:13:00,001 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 03:13:00,002 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 03:13:00,003 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 03:13:00,005 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 03:13:00,006 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 03:13:00,007 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 03:13:00,009 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 03:13:00,012 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 03:13:00,014 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 03:13:00,015 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 03:13:00,016 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 03:13:00,017 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 03:13:00,020 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 03:13:00,020 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 03:13:00,021 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 03:13:00,022 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 03:13:00,022 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 03:13:00,023 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 03:13:00,024 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 03:13:00,025 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 03:13:00,026 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 03:13:00,026 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 03:13:00,028 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 03:13:00,028 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 03:13:00,029 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 03:13:00,029 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 03:13:00,029 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 03:13:00,030 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 03:13:00,031 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 03:13:00,032 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 03:13:00,059 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 03:13:00,059 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 03:13:00,061 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 03:13:00,061 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 03:13:00,061 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 03:13:00,061 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 03:13:00,062 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 03:13:00,062 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 03:13:00,062 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 03:13:00,062 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 03:13:00,062 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 03:13:00,063 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 03:13:00,063 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 03:13:00,063 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 03:13:00,063 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 03:13:00,063 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 03:13:00,064 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 03:13:00,064 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 03:13:00,064 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 03:13:00,064 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 03:13:00,065 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 03:13:00,065 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 03:13:00,065 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 03:13:00,065 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 03:13:00,065 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 03:13:00,066 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 03:13:00,066 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 03:13:00,066 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 03:13:00,066 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 03:13:00,066 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 03:13:00,504 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 03:13:00,527 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 03:13:00,531 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 03:13:00,534 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 03:13:00,535 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 03:13:00,536 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh-simplified/s3_clnt_3.cil-2.c [2020-09-25 03:13:00,626 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/274e56c80/c6ffba27e4da4c569f7de1d92093b98e/FLAG22b4f47ef [2020-09-25 03:13:01,217 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 03:13:01,218 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ssh-simplified/s3_clnt_3.cil-2.c [2020-09-25 03:13:01,231 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/274e56c80/c6ffba27e4da4c569f7de1d92093b98e/FLAG22b4f47ef [2020-09-25 03:13:01,504 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/274e56c80/c6ffba27e4da4c569f7de1d92093b98e [2020-09-25 03:13:01,517 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 03:13:01,522 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 03:13:01,524 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 03:13:01,524 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 03:13:01,528 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 03:13:01,529 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:13:01" (1/1) ... [2020-09-25 03:13:01,533 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2759ebc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:13:01, skipping insertion in model container [2020-09-25 03:13:01,533 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:13:01" (1/1) ... [2020-09-25 03:13:01,542 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 03:13:01,589 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 03:13:01,890 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:13:01,896 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 03:13:02,051 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:13:02,070 INFO L208 MainTranslator]: Completed translation [2020-09-25 03:13:02,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:13:02 WrapperNode [2020-09-25 03:13:02,070 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 03:13:02,071 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 03:13:02,072 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 03:13:02,072 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 03:13:02,088 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:13:02" (1/1) ... [2020-09-25 03:13:02,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:13:02" (1/1) ... [2020-09-25 03:13:02,100 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:13:02" (1/1) ... [2020-09-25 03:13:02,100 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:13:02" (1/1) ... [2020-09-25 03:13:02,116 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:13:02" (1/1) ... [2020-09-25 03:13:02,130 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:13:02" (1/1) ... [2020-09-25 03:13:02,133 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:13:02" (1/1) ... [2020-09-25 03:13:02,139 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 03:13:02,140 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 03:13:02,140 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 03:13:02,140 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 03:13:02,141 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:13:02" (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 03:13:02,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 03:13:02,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 03:13:02,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2020-09-25 03:13:02,215 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 03:13:02,215 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 03:13:02,215 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-09-25 03:13:02,215 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 03:13:02,216 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-09-25 03:13:02,216 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-09-25 03:13:02,216 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2020-09-25 03:13:02,216 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 03:13:02,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 03:13:02,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 03:13:02,413 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-09-25 03:13:03,082 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2020-09-25 03:13:03,082 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2020-09-25 03:13:03,110 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 03:13:03,111 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-25 03:13:03,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:13:03 BoogieIcfgContainer [2020-09-25 03:13:03,120 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 03:13:03,121 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 03:13:03,121 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 03:13:03,125 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 03:13:03,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 03:13:01" (1/3) ... [2020-09-25 03:13:03,126 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31d461f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:13:03, skipping insertion in model container [2020-09-25 03:13:03,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:13:02" (2/3) ... [2020-09-25 03:13:03,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31d461f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:13:03, skipping insertion in model container [2020-09-25 03:13:03,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:13:03" (3/3) ... [2020-09-25 03:13:03,130 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_clnt_3.cil-2.c [2020-09-25 03:13:03,141 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 03:13:03,153 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 03:13:03,175 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 03:13:03,209 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 03:13:03,210 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 03:13:03,210 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 03:13:03,210 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 03:13:03,210 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 03:13:03,210 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 03:13:03,211 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 03:13:03,211 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 03:13:03,242 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states. [2020-09-25 03:13:03,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-09-25 03:13:03,262 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:13:03,264 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:13:03,264 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:13:03,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:13:03,273 INFO L82 PathProgramCache]: Analyzing trace with hash 44117518, now seen corresponding path program 1 times [2020-09-25 03:13:03,285 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:13:03,285 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1167901251] [2020-09-25 03:13:03,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:13:03,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:13:03,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:04,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:04,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:04,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:13:04,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 190 [2020-09-25 03:13:04,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 03:13:04,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1093 [2020-09-25 03:13:04,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:13:04,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:13:04,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-25 03:13:04,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 173 [2020-09-25 03:13:04,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 03:13:04,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:13:04,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:13:04,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:04,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:13:04,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:13:04,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:13:04,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:13:04,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:13:04,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:13:04,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:13:04,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:13:04,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:13:04,949 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 03:13:04,950 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1167901251] [2020-09-25 03:13:04,952 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:13:04,953 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 03:13:04,954 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261002994] [2020-09-25 03:13:04,960 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 03:13:04,960 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:13:04,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 03:13:04,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-25 03:13:04,981 INFO L87 Difference]: Start difference. First operand 414 states. Second operand 6 states. [2020-09-25 03:13:05,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:13:05,445 INFO L93 Difference]: Finished difference Result 733 states and 948 transitions. [2020-09-25 03:13:05,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-25 03:13:05,447 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 181 [2020-09-25 03:13:05,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:13:05,481 INFO L225 Difference]: With dead ends: 733 [2020-09-25 03:13:05,481 INFO L226 Difference]: Without dead ends: 399 [2020-09-25 03:13:05,493 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 03:13:05,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2020-09-25 03:13:05,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 378. [2020-09-25 03:13:05,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 378 states. [2020-09-25 03:13:05,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 437 transitions. [2020-09-25 03:13:05,623 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 437 transitions. Word has length 181 [2020-09-25 03:13:05,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:13:05,627 INFO L479 AbstractCegarLoop]: Abstraction has 378 states and 437 transitions. [2020-09-25 03:13:05,627 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 03:13:05,628 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 437 transitions. [2020-09-25 03:13:05,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-09-25 03:13:05,640 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:13:05,641 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:13:05,641 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 03:13:05,641 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:13:05,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:13:05,642 INFO L82 PathProgramCache]: Analyzing trace with hash 1543076850, now seen corresponding path program 1 times [2020-09-25 03:13:05,642 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:13:05,643 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1834825408] [2020-09-25 03:13:05,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:13:05,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:13:05,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:05,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:06,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:06,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:06,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:07,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:13:07,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 212 [2020-09-25 03:13:07,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 03:13:07,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1759 [2020-09-25 03:13:07,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:13:07,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:13:07,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-25 03:13:07,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 161 [2020-09-25 03:13:07,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:13:07,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:13:07,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:13:07,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:07,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:13:07,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:13:07,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:13:07,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:13:07,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:13:07,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:13:07,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:13:07,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:13:07,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:13:07,623 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 03:13:07,624 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1834825408] [2020-09-25 03:13:07,625 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:13:07,625 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 03:13:07,633 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707269982] [2020-09-25 03:13:07,638 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 03:13:07,638 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:13:07,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 03:13:07,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-25 03:13:07,639 INFO L87 Difference]: Start difference. First operand 378 states and 437 transitions. Second operand 6 states. [2020-09-25 03:13:07,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:13:07,875 INFO L93 Difference]: Finished difference Result 624 states and 745 transitions. [2020-09-25 03:13:07,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-25 03:13:07,876 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 203 [2020-09-25 03:13:07,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:13:07,881 INFO L225 Difference]: With dead ends: 624 [2020-09-25 03:13:07,881 INFO L226 Difference]: Without dead ends: 415 [2020-09-25 03:13:07,884 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 03:13:07,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2020-09-25 03:13:07,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 392. [2020-09-25 03:13:07,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 392 states. [2020-09-25 03:13:07,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 456 transitions. [2020-09-25 03:13:07,914 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 456 transitions. Word has length 203 [2020-09-25 03:13:07,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:13:07,916 INFO L479 AbstractCegarLoop]: Abstraction has 392 states and 456 transitions. [2020-09-25 03:13:07,916 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 03:13:07,916 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 456 transitions. [2020-09-25 03:13:07,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-09-25 03:13:07,919 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:13:07,920 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:13:07,920 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 03:13:07,920 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:13:07,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:13:07,921 INFO L82 PathProgramCache]: Analyzing trace with hash 1817479437, now seen corresponding path program 1 times [2020-09-25 03:13:07,921 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:13:07,921 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [504624403] [2020-09-25 03:13:07,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:13:07,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:13:08,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:08,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:08,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:08,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:09,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:10,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:13:10,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 214 [2020-09-25 03:13:10,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 03:13:10,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2036 [2020-09-25 03:13:10,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:13:10,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:13:10,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-25 03:13:10,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 163 [2020-09-25 03:13:10,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:13:10,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:13:10,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:13:10,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:10,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:13:10,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:13:10,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:13:10,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:13:10,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:13:10,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:13:10,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:13:10,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:13:10,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:13:10,205 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 03:13:10,206 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [504624403] [2020-09-25 03:13:10,206 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:13:10,207 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 03:13:10,207 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517381437] [2020-09-25 03:13:10,208 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 03:13:10,208 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:13:10,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 03:13:10,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-25 03:13:10,209 INFO L87 Difference]: Start difference. First operand 392 states and 456 transitions. Second operand 6 states. [2020-09-25 03:13:10,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:13:10,374 INFO L93 Difference]: Finished difference Result 615 states and 738 transitions. [2020-09-25 03:13:10,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-25 03:13:10,374 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 205 [2020-09-25 03:13:10,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:13:10,377 INFO L225 Difference]: With dead ends: 615 [2020-09-25 03:13:10,378 INFO L226 Difference]: Without dead ends: 389 [2020-09-25 03:13:10,379 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 03:13:10,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2020-09-25 03:13:10,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 389. [2020-09-25 03:13:10,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2020-09-25 03:13:10,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 452 transitions. [2020-09-25 03:13:10,391 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 452 transitions. Word has length 205 [2020-09-25 03:13:10,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:13:10,391 INFO L479 AbstractCegarLoop]: Abstraction has 389 states and 452 transitions. [2020-09-25 03:13:10,391 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 03:13:10,392 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 452 transitions. [2020-09-25 03:13:10,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-09-25 03:13:10,394 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:13:10,394 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, 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 03:13:10,395 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 03:13:10,395 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:13:10,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:13:10,395 INFO L82 PathProgramCache]: Analyzing trace with hash 1125063182, now seen corresponding path program 1 times [2020-09-25 03:13:10,396 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:13:10,396 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2106712898] [2020-09-25 03:13:10,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:13:10,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:13:10,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:10,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:10,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:10,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:13:10,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-09-25 03:13:10,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 03:13:10,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 516 [2020-09-25 03:13:10,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:13:10,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:13:10,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 155 [2020-09-25 03:13:10,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-09-25 03:13:10,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:13:10,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:13:10,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:13:11,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:11,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:13:11,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:13:11,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:13:11,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 03:13:11,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:13:11,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:13:11,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:13:11,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:13:11,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:13:11,045 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 03:13:11,047 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2106712898] [2020-09-25 03:13:11,047 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:13:11,047 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 03:13:11,048 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662835228] [2020-09-25 03:13:11,049 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 03:13:11,049 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:13:11,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 03:13:11,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 03:13:11,051 INFO L87 Difference]: Start difference. First operand 389 states and 452 transitions. Second operand 3 states. [2020-09-25 03:13:11,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:13:11,119 INFO L93 Difference]: Finished difference Result 828 states and 1010 transitions. [2020-09-25 03:13:11,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 03:13:11,120 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 207 [2020-09-25 03:13:11,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:13:11,125 INFO L225 Difference]: With dead ends: 828 [2020-09-25 03:13:11,125 INFO L226 Difference]: Without dead ends: 605 [2020-09-25 03:13:11,127 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 03:13:11,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2020-09-25 03:13:11,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 605. [2020-09-25 03:13:11,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 605 states. [2020-09-25 03:13:11,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 723 transitions. [2020-09-25 03:13:11,152 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 723 transitions. Word has length 207 [2020-09-25 03:13:11,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:13:11,153 INFO L479 AbstractCegarLoop]: Abstraction has 605 states and 723 transitions. [2020-09-25 03:13:11,153 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 03:13:11,153 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 723 transitions. [2020-09-25 03:13:11,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2020-09-25 03:13:11,156 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:13:11,157 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, 1, 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 03:13:11,157 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 03:13:11,157 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:13:11,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:13:11,158 INFO L82 PathProgramCache]: Analyzing trace with hash 1130092021, now seen corresponding path program 1 times [2020-09-25 03:13:11,158 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:13:11,158 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1872176872] [2020-09-25 03:13:11,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:13:11,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:13:11,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:11,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:11,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:11,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:13:11,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 238 [2020-09-25 03:13:11,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 03:13:11,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 490 [2020-09-25 03:13:11,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:13:11,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:13:11,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 208 [2020-09-25 03:13:11,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-25 03:13:11,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:13:11,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:13:11,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:13:11,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:11,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:13:11,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:13:11,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:13:11,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:13:11,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:13:11,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:13:11,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:13:11,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:13:11,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:13:11,820 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 03:13:11,821 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1872176872] [2020-09-25 03:13:11,821 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:13:11,822 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 03:13:11,822 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706679705] [2020-09-25 03:13:11,822 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 03:13:11,823 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:13:11,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 03:13:11,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 03:13:11,824 INFO L87 Difference]: Start difference. First operand 605 states and 723 transitions. Second operand 3 states. [2020-09-25 03:13:11,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:13:11,900 INFO L93 Difference]: Finished difference Result 1044 states and 1281 transitions. [2020-09-25 03:13:11,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 03:13:11,901 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 229 [2020-09-25 03:13:11,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:13:11,907 INFO L225 Difference]: With dead ends: 1044 [2020-09-25 03:13:11,907 INFO L226 Difference]: Without dead ends: 821 [2020-09-25 03:13:11,909 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 03:13:11,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 821 states. [2020-09-25 03:13:11,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 821 to 821. [2020-09-25 03:13:11,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 821 states. [2020-09-25 03:13:11,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 995 transitions. [2020-09-25 03:13:11,945 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 995 transitions. Word has length 229 [2020-09-25 03:13:11,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:13:11,945 INFO L479 AbstractCegarLoop]: Abstraction has 821 states and 995 transitions. [2020-09-25 03:13:11,946 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 03:13:11,946 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 995 transitions. [2020-09-25 03:13:11,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2020-09-25 03:13:11,950 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:13:11,950 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, 1, 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 03:13:11,951 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 03:13:11,951 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:13:11,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:13:11,951 INFO L82 PathProgramCache]: Analyzing trace with hash 1762569168, now seen corresponding path program 1 times [2020-09-25 03:13:11,952 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:13:11,952 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1038077350] [2020-09-25 03:13:11,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:13:11,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:13:12,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:12,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:12,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:13:12,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 259 [2020-09-25 03:13:12,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 03:13:12,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 448 [2020-09-25 03:13:12,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:13:12,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:13:12,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 231 [2020-09-25 03:13:12,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-25 03:13:12,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:13:12,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:13:12,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:13:12,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:12,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:13:12,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:13:12,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:13:12,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:13:12,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:13:12,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:13:12,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:13:12,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:13:12,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:13:12,679 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 03:13:12,679 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1038077350] [2020-09-25 03:13:12,680 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:13:12,680 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 03:13:12,680 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131198579] [2020-09-25 03:13:12,681 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 03:13:12,681 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:13:12,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 03:13:12,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 03:13:12,682 INFO L87 Difference]: Start difference. First operand 821 states and 995 transitions. Second operand 3 states. [2020-09-25 03:13:12,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:13:12,766 INFO L93 Difference]: Finished difference Result 1476 states and 1825 transitions. [2020-09-25 03:13:12,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 03:13:12,767 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 250 [2020-09-25 03:13:12,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:13:12,775 INFO L225 Difference]: With dead ends: 1476 [2020-09-25 03:13:12,775 INFO L226 Difference]: Without dead ends: 1037 [2020-09-25 03:13:12,777 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 03:13:12,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1037 states. [2020-09-25 03:13:12,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1037 to 1037. [2020-09-25 03:13:12,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1037 states. [2020-09-25 03:13:12,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 1037 states and 1268 transitions. [2020-09-25 03:13:12,814 INFO L78 Accepts]: Start accepts. Automaton has 1037 states and 1268 transitions. Word has length 250 [2020-09-25 03:13:12,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:13:12,815 INFO L479 AbstractCegarLoop]: Abstraction has 1037 states and 1268 transitions. [2020-09-25 03:13:12,815 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 03:13:12,816 INFO L276 IsEmpty]: Start isEmpty. Operand 1037 states and 1268 transitions. [2020-09-25 03:13:12,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2020-09-25 03:13:12,825 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:13:12,826 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, 1, 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 03:13:12,826 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-25 03:13:12,826 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:13:12,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:13:12,827 INFO L82 PathProgramCache]: Analyzing trace with hash 1918870498, now seen corresponding path program 1 times [2020-09-25 03:13:12,827 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:13:12,828 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1127333484] [2020-09-25 03:13:12,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:13:12,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:13:12,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:13,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:13,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:13,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:13,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:13:13,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 283 [2020-09-25 03:13:13,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 03:13:13,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 939 [2020-09-25 03:13:13,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:13:13,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:13:13,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 256 [2020-09-25 03:13:13,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-09-25 03:13:13,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:13:13,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:13:13,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:13:13,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:13,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:13:13,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:13:13,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:13:13,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:13:13,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:13:13,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:13:13,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:13:13,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:13:13,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:13:13,941 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 03:13:13,942 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1127333484] [2020-09-25 03:13:13,942 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:13:13,942 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 03:13:13,942 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993740081] [2020-09-25 03:13:13,943 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 03:13:13,943 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:13:13,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 03:13:13,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 03:13:13,944 INFO L87 Difference]: Start difference. First operand 1037 states and 1268 transitions. Second operand 3 states. [2020-09-25 03:13:14,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:13:14,012 INFO L93 Difference]: Finished difference Result 1908 states and 2371 transitions. [2020-09-25 03:13:14,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 03:13:14,012 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 274 [2020-09-25 03:13:14,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:13:14,019 INFO L225 Difference]: With dead ends: 1908 [2020-09-25 03:13:14,020 INFO L226 Difference]: Without dead ends: 1253 [2020-09-25 03:13:14,022 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 03:13:14,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1253 states. [2020-09-25 03:13:14,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1253 to 1253. [2020-09-25 03:13:14,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1253 states. [2020-09-25 03:13:14,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1253 states to 1253 states and 1542 transitions. [2020-09-25 03:13:14,062 INFO L78 Accepts]: Start accepts. Automaton has 1253 states and 1542 transitions. Word has length 274 [2020-09-25 03:13:14,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:13:14,063 INFO L479 AbstractCegarLoop]: Abstraction has 1253 states and 1542 transitions. [2020-09-25 03:13:14,063 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 03:13:14,063 INFO L276 IsEmpty]: Start isEmpty. Operand 1253 states and 1542 transitions. [2020-09-25 03:13:14,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2020-09-25 03:13:14,070 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:13:14,070 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, 1, 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 03:13:14,071 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-25 03:13:14,071 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:13:14,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:13:14,071 INFO L82 PathProgramCache]: Analyzing trace with hash -275763435, now seen corresponding path program 1 times [2020-09-25 03:13:14,072 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:13:14,072 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1671928861] [2020-09-25 03:13:14,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:13:14,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:13:14,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:14,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:13:14,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 308 [2020-09-25 03:13:14,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:13:14,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 238 [2020-09-25 03:13:14,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:13:14,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:13:14,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 234 [2020-09-25 03:13:14,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-25 03:13:14,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:13:14,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:13:14,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:13:14,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:14,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:13:14,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:13:14,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:13:14,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 03:13:14,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:13:14,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:13:14,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:13:14,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:13:14,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:13:14,519 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 03:13:14,520 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1671928861] [2020-09-25 03:13:14,520 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:13:14,521 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 03:13:14,521 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288470408] [2020-09-25 03:13:14,522 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 03:13:14,522 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:13:14,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 03:13:14,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 03:13:14,523 INFO L87 Difference]: Start difference. First operand 1253 states and 1542 transitions. Second operand 3 states. [2020-09-25 03:13:14,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:13:14,742 INFO L93 Difference]: Finished difference Result 2680 states and 3439 transitions. [2020-09-25 03:13:14,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 03:13:14,742 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 299 [2020-09-25 03:13:14,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:13:14,751 INFO L225 Difference]: With dead ends: 2680 [2020-09-25 03:13:14,751 INFO L226 Difference]: Without dead ends: 1588 [2020-09-25 03:13:14,753 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 03:13:14,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1588 states. [2020-09-25 03:13:14,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1588 to 1473. [2020-09-25 03:13:14,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1473 states. [2020-09-25 03:13:14,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1473 states to 1473 states and 1802 transitions. [2020-09-25 03:13:14,793 INFO L78 Accepts]: Start accepts. Automaton has 1473 states and 1802 transitions. Word has length 299 [2020-09-25 03:13:14,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:13:14,794 INFO L479 AbstractCegarLoop]: Abstraction has 1473 states and 1802 transitions. [2020-09-25 03:13:14,794 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 03:13:14,794 INFO L276 IsEmpty]: Start isEmpty. Operand 1473 states and 1802 transitions. [2020-09-25 03:13:14,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2020-09-25 03:13:14,800 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:13:14,800 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, 1, 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 03:13:14,800 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-25 03:13:14,801 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:13:14,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:13:14,801 INFO L82 PathProgramCache]: Analyzing trace with hash -638739787, now seen corresponding path program 1 times [2020-09-25 03:13:14,801 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:13:14,802 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [442050803] [2020-09-25 03:13:14,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:13:14,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-25 03:13:14,856 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-25 03:13:14,856 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-25 03:13:14,862 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-25 03:13:14,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 03:13:14 BoogieIcfgContainer [2020-09-25 03:13:14,896 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 03:13:14,900 INFO L168 Benchmark]: Toolchain (without parser) took 13379.65 ms. Allocated memory was 140.0 MB in the beginning and 417.3 MB in the end (delta: 277.3 MB). Free memory was 102.2 MB in the beginning and 299.8 MB in the end (delta: -197.6 MB). Peak memory consumption was 79.7 MB. Max. memory is 7.1 GB. [2020-09-25 03:13:14,901 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-25 03:13:14,901 INFO L168 Benchmark]: CACSL2BoogieTranslator took 547.26 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 101.5 MB in the beginning and 178.4 MB in the end (delta: -76.9 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. [2020-09-25 03:13:14,902 INFO L168 Benchmark]: Boogie Preprocessor took 67.74 ms. Allocated memory is still 203.4 MB. Free memory was 178.4 MB in the beginning and 175.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2020-09-25 03:13:14,903 INFO L168 Benchmark]: RCFGBuilder took 980.24 ms. Allocated memory is still 203.4 MB. Free memory was 175.4 MB in the beginning and 107.6 MB in the end (delta: 67.8 MB). Peak memory consumption was 67.8 MB. Max. memory is 7.1 GB. [2020-09-25 03:13:14,904 INFO L168 Benchmark]: TraceAbstraction took 11775.18 ms. Allocated memory was 203.4 MB in the beginning and 417.3 MB in the end (delta: 213.9 MB). Free memory was 107.0 MB in the beginning and 299.8 MB in the end (delta: -192.8 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2020-09-25 03:13:14,907 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 547.26 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 101.5 MB in the beginning and 178.4 MB in the end (delta: -76.9 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 67.74 ms. Allocated memory is still 203.4 MB. Free memory was 178.4 MB in the beginning and 175.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 980.24 ms. Allocated memory is still 203.4 MB. Free memory was 175.4 MB in the beginning and 107.6 MB in the end (delta: 67.8 MB). Peak memory consumption was 67.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11775.18 ms. Allocated memory was 203.4 MB in the beginning and 417.3 MB in the end (delta: 213.9 MB). Free memory was 107.0 MB in the beginning and 299.8 MB in the end (delta: -192.8 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 573]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L578] int s ; [L582] s = 12292 [L583] CALL ssl3_connect(s) [L12] int s__info_callback = __VERIFIER_nondet_int() ; [L13] int s__in_handshake = __VERIFIER_nondet_int() ; [L14] int s__state ; [L15] int s__new_session ; [L16] int s__server ; [L17] int s__version = __VERIFIER_nondet_int() ; [L18] int s__type ; [L19] int s__init_num ; [L20] int s__bbio = __VERIFIER_nondet_int() ; [L21] int s__wbio = __VERIFIER_nondet_int() ; [L22] int s__hit = __VERIFIER_nondet_int() ; [L23] int s__rwstate ; [L24] int s__init_buf___0 = __VERIFIER_nondet_int() ; [L25] int s__debug = __VERIFIER_nondet_int() ; [L26] int s__shutdown ; [L27] int s__ctx__info_callback = __VERIFIER_nondet_int() ; [L28] int s__ctx__stats__sess_connect_renegotiate = __VERIFIER_nondet_int() ; [L29] int s__ctx__stats__sess_connect = __VERIFIER_nondet_int() ; [L30] int s__ctx__stats__sess_hit = __VERIFIER_nondet_int() ; [L31] int s__ctx__stats__sess_connect_good = __VERIFIER_nondet_int() ; [L32] int s__s3__change_cipher_spec ; [L33] int s__s3__flags = __VERIFIER_nondet_int() ; [L34] int s__s3__delay_buf_pop_ret ; [L35] int s__s3__tmp__cert_req = __VERIFIER_nondet_int() ; [L36] int s__s3__tmp__new_compression = __VERIFIER_nondet_int() ; [L37] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int() ; [L38] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int() ; [L39] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int() ; [L40] int s__s3__tmp__next_state___0 ; [L41] int s__s3__tmp__new_compression__id = __VERIFIER_nondet_int() ; [L42] int s__session__cipher ; [L43] int s__session__compress_meth ; [L44] int buf ; [L45] unsigned long tmp ; [L46] unsigned long l ; [L47] int num1 = __VERIFIER_nondet_int() ; [L48] int cb ; [L49] int ret ; [L50] int new_state ; [L51] int state ; [L52] int skip ; [L53] int tmp___0 ; [L54] int tmp___1 = __VERIFIER_nondet_int() ; [L55] int tmp___2 = __VERIFIER_nondet_int() ; [L56] int tmp___3 = __VERIFIER_nondet_int() ; [L57] int tmp___4 = __VERIFIER_nondet_int() ; [L58] int tmp___5 = __VERIFIER_nondet_int() ; [L59] int tmp___6 = __VERIFIER_nondet_int() ; [L60] int tmp___7 = __VERIFIER_nondet_int() ; [L61] int tmp___8 = __VERIFIER_nondet_int() ; [L62] int tmp___9 = __VERIFIER_nondet_int() ; [L63] int blastFlag ; [L64] int __cil_tmp55 ; [L65] void *__cil_tmp56 ; [L66] unsigned long __cil_tmp57 ; [L67] unsigned long __cil_tmp58 = __VERIFIER_nondet_ulong() ; [L68] void *__cil_tmp59 ; [L69] unsigned long __cil_tmp60 ; [L70] unsigned long __cil_tmp61 ; [L71] unsigned long __cil_tmp62 ; [L72] unsigned long __cil_tmp63 ; [L73] unsigned long __cil_tmp64 ; [L74] long __cil_tmp65 = __VERIFIER_nondet_long() ; [L75] long __cil_tmp66 ; [L76] long __cil_tmp67 ; [L77] long __cil_tmp68 ; [L78] long __cil_tmp69 ; [L79] long __cil_tmp70 = __VERIFIER_nondet_long() ; [L80] long __cil_tmp71 ; [L81] long __cil_tmp72 ; [L82] long __cil_tmp73 ; [L83] long __cil_tmp74 ; [L87] s__state = initial_state [L88] blastFlag = 0 [L89] tmp = __VERIFIER_nondet_int() [L90] cb = 0 [L91] ret = -1 [L92] skip = 0 [L93] tmp___0 = 0 [L94] COND TRUE s__info_callback != 0 [L95] cb = s__info_callback [L101] s__in_handshake ++ [L102] COND FALSE !(tmp___1 + 12288) [L108] COND TRUE 1 [L110] state = s__state [L111] COND TRUE s__state == 12292 [L213] s__new_session = 1 [L214] s__state = 4096 [L215] s__ctx__stats__sess_connect_renegotiate ++ [L220] s__server = 0 [L221] COND TRUE cb != 0 [L225] __cil_tmp55 = s__version + 65280 [L226] COND FALSE !(__cil_tmp55 != 768) [L231] s__type = 4096 [L233] __cil_tmp56 = (void *)0 [L234] __cil_tmp57 = (unsigned long )__cil_tmp56 [L235] __cil_tmp58 = (unsigned long )s__init_buf___0 [L236] COND FALSE !(__cil_tmp58 == __cil_tmp57) [L254] COND FALSE !(! tmp___4) [L258] COND FALSE !(! tmp___5) [L262] s__state = 4368 [L263] s__ctx__stats__sess_connect ++ [L264] s__init_num = 0 [L545] COND FALSE !(! s__s3__tmp__reuse_message) [L562] skip = 0 [L108] COND TRUE 1 [L110] state = s__state [L111] COND FALSE !(s__state == 12292) [L114] COND FALSE !(s__state == 16384) [L117] COND FALSE !(s__state == 4096) [L120] COND FALSE !(s__state == 20480) [L123] COND FALSE !(s__state == 4099) [L126] COND TRUE s__state == 4368 [L268] s__shutdown = 0 [L269] ret = __VERIFIER_nondet_int() [L270] COND TRUE blastFlag == 0 [L271] blastFlag = 1 [L273] COND FALSE !(ret <= 0) [L276] s__state = 4384 [L277] s__init_num = 0 [L279] __cil_tmp62 = (unsigned long )s__wbio [L280] __cil_tmp63 = (unsigned long )s__bbio [L281] COND TRUE __cil_tmp63 != __cil_tmp62 [L545] COND FALSE !(! s__s3__tmp__reuse_message) [L562] skip = 0 [L108] COND TRUE 1 [L110] state = s__state [L111] COND FALSE !(s__state == 12292) [L114] COND FALSE !(s__state == 16384) [L117] COND FALSE !(s__state == 4096) [L120] COND FALSE !(s__state == 20480) [L123] COND FALSE !(s__state == 4099) [L126] COND FALSE !(s__state == 4368) [L129] COND FALSE !(s__state == 4369) [L132] COND TRUE s__state == 4384 [L288] ret = __VERIFIER_nondet_int() [L289] COND TRUE blastFlag == 1 [L290] blastFlag = 2 [L296] COND FALSE !(ret <= 0) [L299] COND FALSE !(\read(s__hit)) [L302] s__state = 4400 [L304] s__init_num = 0 [L545] COND FALSE !(! s__s3__tmp__reuse_message) [L562] skip = 0 [L108] COND TRUE 1 [L110] state = s__state [L111] COND FALSE !(s__state == 12292) [L114] COND FALSE !(s__state == 16384) [L117] COND FALSE !(s__state == 4096) [L120] COND FALSE !(s__state == 20480) [L123] COND FALSE !(s__state == 4099) [L126] COND FALSE !(s__state == 4368) [L129] COND FALSE !(s__state == 4369) [L132] COND FALSE !(s__state == 4384) [L135] COND FALSE !(s__state == 4385) [L138] COND TRUE s__state == 4400 [L309] __cil_tmp64 = (unsigned long )s__s3__tmp__new_cipher__algorithms [L310] COND FALSE !(__cil_tmp64 + 256UL) [L313] ret = __VERIFIER_nondet_int() [L314] COND TRUE blastFlag == 2 [L315] blastFlag = 3 [L317] COND FALSE !(ret <= 0) [L322] s__state = 4416 [L323] s__init_num = 0 [L545] COND FALSE !(! s__s3__tmp__reuse_message) [L562] skip = 0 [L108] COND TRUE 1 [L110] state = s__state [L111] COND FALSE !(s__state == 12292) [L114] COND FALSE !(s__state == 16384) [L117] COND FALSE !(s__state == 4096) [L120] COND FALSE !(s__state == 20480) [L123] COND FALSE !(s__state == 4099) [L126] COND FALSE !(s__state == 4368) [L129] COND FALSE !(s__state == 4369) [L132] COND FALSE !(s__state == 4384) [L135] COND FALSE !(s__state == 4385) [L138] COND FALSE !(s__state == 4400) [L141] COND FALSE !(s__state == 4401) [L144] COND TRUE s__state == 4416 [L327] ret = __VERIFIER_nondet_int() [L328] COND TRUE blastFlag == 3 [L329] blastFlag = 4 [L331] COND FALSE !(ret <= 0) [L334] s__state = 4432 [L335] s__init_num = 0 [L336] COND FALSE !(! tmp___6) [L545] COND FALSE !(! s__s3__tmp__reuse_message) [L562] skip = 0 [L108] COND TRUE 1 [L110] state = s__state [L111] COND FALSE !(s__state == 12292) [L114] COND FALSE !(s__state == 16384) [L117] COND FALSE !(s__state == 4096) [L120] COND FALSE !(s__state == 20480) [L123] COND FALSE !(s__state == 4099) [L126] COND FALSE !(s__state == 4368) [L129] COND FALSE !(s__state == 4369) [L132] COND FALSE !(s__state == 4384) [L135] COND FALSE !(s__state == 4385) [L138] COND FALSE !(s__state == 4400) [L141] COND FALSE !(s__state == 4401) [L144] COND FALSE !(s__state == 4416) [L147] COND FALSE !(s__state == 4417) [L150] COND TRUE s__state == 4432 [L343] ret = __VERIFIER_nondet_int() [L344] COND TRUE blastFlag == 4 [L573] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 414 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 11.6s, OverallIterations: 9, TraceHistogramMax: 6, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3393 SDtfs, 3846 SDslu, 4050 SDs, 0 SdLazy, 637 SolverSat, 113 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1473occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 159 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 8.3s InterpolantComputationTime, 2147 NumberOfCodeBlocks, 2147 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1840 ConstructedInterpolants, 0 QuantifiedInterpolants, 729416 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 285/285 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...