/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ssh-simplified/s3_clnt_3.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 20:59:05,672 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 20:59:05,675 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 20:59:05,716 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 20:59:05,717 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 20:59:05,727 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 20:59:05,729 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 20:59:05,733 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 20:59:05,735 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 20:59:05,739 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 20:59:05,740 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 20:59:05,741 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 20:59:05,741 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 20:59:05,744 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 20:59:05,746 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 20:59:05,748 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 20:59:05,749 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 20:59:05,750 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 20:59:05,751 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 20:59:05,758 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 20:59:05,761 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 20:59:05,762 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 20:59:05,763 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 20:59:05,764 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 20:59:05,768 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 20:59:05,768 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 20:59:05,768 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 20:59:05,769 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 20:59:05,770 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 20:59:05,770 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 20:59:05,771 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 20:59:05,775 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 20:59:05,775 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 20:59:05,776 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 20:59:05,777 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 20:59:05,777 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 20:59:05,778 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 20:59:05,778 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 20:59:05,778 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 20:59:05,779 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 20:59:05,779 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 20:59:05,780 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-12 20:59:05,802 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 20:59:05,802 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 20:59:05,803 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 20:59:05,803 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 20:59:05,804 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 20:59:05,804 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 20:59:05,804 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 20:59:05,804 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 20:59:05,804 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 20:59:05,805 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 20:59:05,805 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 20:59:05,805 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 20:59:05,805 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 20:59:05,805 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 20:59:05,806 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 20:59:05,806 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 20:59:05,806 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 20:59:05,806 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 20:59:05,806 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 20:59:05,807 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 20:59:05,807 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 20:59:05,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 20:59:05,807 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 20:59:05,807 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 20:59:05,808 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 20:59:05,808 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 20:59:05,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 20:59:05,808 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 20:59:05,808 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 20:59:05,809 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 20:59:06,089 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 20:59:06,102 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 20:59:06,105 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 20:59:06,107 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 20:59:06,107 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 20:59:06,108 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh-simplified/s3_clnt_3.cil-1.c [2020-10-12 20:59:06,170 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3867f99a9/371bfc2611e1400983bcfb9a31ba23f2/FLAG43777a141 [2020-10-12 20:59:06,639 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 20:59:06,640 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ssh-simplified/s3_clnt_3.cil-1.c [2020-10-12 20:59:06,651 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3867f99a9/371bfc2611e1400983bcfb9a31ba23f2/FLAG43777a141 [2020-10-12 20:59:07,021 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3867f99a9/371bfc2611e1400983bcfb9a31ba23f2 [2020-10-12 20:59:07,031 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 20:59:07,033 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 20:59:07,034 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 20:59:07,034 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 20:59:07,038 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 20:59:07,039 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 08:59:07" (1/1) ... [2020-10-12 20:59:07,042 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e92bb2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:59:07, skipping insertion in model container [2020-10-12 20:59:07,043 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 08:59:07" (1/1) ... [2020-10-12 20:59:07,051 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 20:59:07,091 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 20:59:07,342 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 20:59:07,346 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 20:59:07,477 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 20:59:07,499 INFO L208 MainTranslator]: Completed translation [2020-10-12 20:59:07,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:59:07 WrapperNode [2020-10-12 20:59:07,499 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 20:59:07,500 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 20:59:07,500 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 20:59:07,501 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 20:59:07,511 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:59:07" (1/1) ... [2020-10-12 20:59:07,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:59:07" (1/1) ... [2020-10-12 20:59:07,518 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:59:07" (1/1) ... [2020-10-12 20:59:07,519 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:59:07" (1/1) ... [2020-10-12 20:59:07,531 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:59:07" (1/1) ... [2020-10-12 20:59:07,544 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:59:07" (1/1) ... [2020-10-12 20:59:07,547 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:59:07" (1/1) ... [2020-10-12 20:59:07,551 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 20:59:07,552 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 20:59:07,552 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 20:59:07,552 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 20:59:07,553 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:59:07" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 20:59:07,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 20:59:07,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 20:59:07,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2020-10-12 20:59:07,618 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 20:59:07,618 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 20:59:07,618 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 20:59:07,618 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2020-10-12 20:59:07,618 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 20:59:07,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 20:59:07,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 20:59:07,746 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 20:59:08,217 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2020-10-12 20:59:08,218 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2020-10-12 20:59:08,236 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 20:59:08,237 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-12 20:59:08,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 08:59:08 BoogieIcfgContainer [2020-10-12 20:59:08,243 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 20:59:08,244 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 20:59:08,244 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 20:59:08,248 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 20:59:08,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 08:59:07" (1/3) ... [2020-10-12 20:59:08,249 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f68ced0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 08:59:08, skipping insertion in model container [2020-10-12 20:59:08,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:59:07" (2/3) ... [2020-10-12 20:59:08,250 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f68ced0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 08:59:08, skipping insertion in model container [2020-10-12 20:59:08,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 08:59:08" (3/3) ... [2020-10-12 20:59:08,252 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_clnt_3.cil-1.c [2020-10-12 20:59:08,263 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 20:59:08,272 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 20:59:08,286 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 20:59:08,313 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 20:59:08,313 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 20:59:08,313 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 20:59:08,314 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 20:59:08,314 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 20:59:08,314 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 20:59:08,314 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 20:59:08,314 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 20:59:08,342 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states. [2020-10-12 20:59:08,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-12 20:59:08,350 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:59:08,351 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] [2020-10-12 20:59:08,351 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:59:08,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:59:08,358 INFO L82 PathProgramCache]: Analyzing trace with hash 2007307722, now seen corresponding path program 1 times [2020-10-12 20:59:08,364 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:59:08,365 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1721756538] [2020-10-12 20:59:08,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:59:08,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:59:08,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:08,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:08,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:08,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:59:08,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-12 20:59:08,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 20:59:08,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 365 [2020-10-12 20:59:08,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:59:08,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 20:59:08,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 20:59:08,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 20:59:08,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-12 20:59:09,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:59:09,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:59:09,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:09,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:59:09,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:59:09,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:59:09,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 20:59:09,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:59:09,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:59:09,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:59:09,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:59:09,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 20 [2020-10-12 20:59:09,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 20:59:09,044 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1721756538] [2020-10-12 20:59:09,046 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 20:59:09,046 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-12 20:59:09,047 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602016057] [2020-10-12 20:59:09,053 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 20:59:09,054 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:59:09,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 20:59:09,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-12 20:59:09,071 INFO L87 Difference]: Start difference. First operand 132 states. Second operand 5 states. [2020-10-12 20:59:09,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 20:59:09,321 INFO L93 Difference]: Finished difference Result 255 states and 430 transitions. [2020-10-12 20:59:09,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 20:59:09,323 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2020-10-12 20:59:09,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 20:59:09,337 INFO L225 Difference]: With dead ends: 255 [2020-10-12 20:59:09,337 INFO L226 Difference]: Without dead ends: 117 [2020-10-12 20:59:09,342 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-12 20:59:09,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2020-10-12 20:59:09,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2020-10-12 20:59:09,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2020-10-12 20:59:09,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 174 transitions. [2020-10-12 20:59:09,398 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 174 transitions. Word has length 29 [2020-10-12 20:59:09,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 20:59:09,399 INFO L479 AbstractCegarLoop]: Abstraction has 117 states and 174 transitions. [2020-10-12 20:59:09,399 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 20:59:09,399 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 174 transitions. [2020-10-12 20:59:09,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-12 20:59:09,401 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:59:09,401 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] [2020-10-12 20:59:09,402 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 20:59:09,402 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:59:09,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:59:09,403 INFO L82 PathProgramCache]: Analyzing trace with hash -1445358902, now seen corresponding path program 1 times [2020-10-12 20:59:09,403 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:59:09,403 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1960329980] [2020-10-12 20:59:09,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:59:09,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:59:09,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:09,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:09,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:09,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:59:09,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 20:59:09,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 20:59:09,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 215 [2020-10-12 20:59:09,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:59:09,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 20:59:09,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-12 20:59:09,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 20:59:09,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 20:59:09,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:59:09,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:59:09,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:09,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:59:09,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:59:09,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:59:09,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 20:59:09,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:59:09,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:59:09,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:59:09,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:59:09,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 20:59:09,683 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 20:59:09,684 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1960329980] [2020-10-12 20:59:09,684 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 20:59:09,684 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 20:59:09,685 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106596017] [2020-10-12 20:59:09,686 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 20:59:09,687 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:59:09,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 20:59:09,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:59:09,688 INFO L87 Difference]: Start difference. First operand 117 states and 174 transitions. Second operand 3 states. [2020-10-12 20:59:09,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 20:59:09,908 INFO L93 Difference]: Finished difference Result 272 states and 421 transitions. [2020-10-12 20:59:09,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 20:59:09,908 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2020-10-12 20:59:09,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 20:59:09,911 INFO L225 Difference]: With dead ends: 272 [2020-10-12 20:59:09,911 INFO L226 Difference]: Without dead ends: 170 [2020-10-12 20:59:09,913 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 [2020-10-12 20:59:09,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2020-10-12 20:59:09,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 158. [2020-10-12 20:59:09,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2020-10-12 20:59:09,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 223 transitions. [2020-10-12 20:59:09,931 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 223 transitions. Word has length 41 [2020-10-12 20:59:09,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 20:59:09,932 INFO L479 AbstractCegarLoop]: Abstraction has 158 states and 223 transitions. [2020-10-12 20:59:09,932 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 20:59:09,932 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 223 transitions. [2020-10-12 20:59:09,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-10-12 20:59:09,934 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:59:09,935 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] [2020-10-12 20:59:09,935 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 20:59:09,935 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:59:09,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:59:09,936 INFO L82 PathProgramCache]: Analyzing trace with hash -1133683469, now seen corresponding path program 1 times [2020-10-12 20:59:09,936 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:59:09,936 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1993628715] [2020-10-12 20:59:09,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:59:09,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:59:09,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:10,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:10,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:10,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:59:10,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-12 20:59:10,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 20:59:10,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 177 [2020-10-12 20:59:10,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:59:10,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 20:59:10,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-12 20:59:10,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 20:59:10,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 20:59:10,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:59:10,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:59:10,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:10,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:59:10,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:59:10,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:59:10,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 20:59:10,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:59:10,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:59:10,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:59:10,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:59:10,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:59:10,187 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-12 20:59:10,187 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1993628715] [2020-10-12 20:59:10,187 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 20:59:10,188 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 20:59:10,188 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727128869] [2020-10-12 20:59:10,189 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 20:59:10,190 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:59:10,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 20:59:10,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:59:10,191 INFO L87 Difference]: Start difference. First operand 158 states and 223 transitions. Second operand 3 states. [2020-10-12 20:59:10,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 20:59:10,357 INFO L93 Difference]: Finished difference Result 323 states and 465 transitions. [2020-10-12 20:59:10,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 20:59:10,358 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2020-10-12 20:59:10,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 20:59:10,361 INFO L225 Difference]: With dead ends: 323 [2020-10-12 20:59:10,361 INFO L226 Difference]: Without dead ends: 180 [2020-10-12 20:59:10,364 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 [2020-10-12 20:59:10,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2020-10-12 20:59:10,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 175. [2020-10-12 20:59:10,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2020-10-12 20:59:10,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 245 transitions. [2020-10-12 20:59:10,396 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 245 transitions. Word has length 55 [2020-10-12 20:59:10,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 20:59:10,397 INFO L479 AbstractCegarLoop]: Abstraction has 175 states and 245 transitions. [2020-10-12 20:59:10,397 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 20:59:10,397 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 245 transitions. [2020-10-12 20:59:10,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-10-12 20:59:10,399 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:59:10,400 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] [2020-10-12 20:59:10,401 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 20:59:10,402 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:59:10,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:59:10,402 INFO L82 PathProgramCache]: Analyzing trace with hash 1009819801, now seen corresponding path program 1 times [2020-10-12 20:59:10,402 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:59:10,403 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1391167746] [2020-10-12 20:59:10,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:59:10,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:59:10,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:10,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:10,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:59:10,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-12 20:59:10,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 20:59:10,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-10-12 20:59:10,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:59:10,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 20:59:10,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-12 20:59:10,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-12 20:59:10,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:59:10,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:59:10,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:59:10,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:10,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:59:10,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:59:10,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:59:10,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 20:59:10,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:59:10,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:59:10,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:59:10,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:59:10,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:59:10,591 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-12 20:59:10,592 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1391167746] [2020-10-12 20:59:10,592 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 20:59:10,592 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 20:59:10,592 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532665] [2020-10-12 20:59:10,593 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 20:59:10,593 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:59:10,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 20:59:10,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:59:10,594 INFO L87 Difference]: Start difference. First operand 175 states and 245 transitions. Second operand 3 states. [2020-10-12 20:59:10,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 20:59:10,638 INFO L93 Difference]: Finished difference Result 493 states and 696 transitions. [2020-10-12 20:59:10,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 20:59:10,639 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 72 [2020-10-12 20:59:10,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 20:59:10,641 INFO L225 Difference]: With dead ends: 493 [2020-10-12 20:59:10,642 INFO L226 Difference]: Without dead ends: 333 [2020-10-12 20:59:10,643 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 [2020-10-12 20:59:10,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2020-10-12 20:59:10,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 333. [2020-10-12 20:59:10,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 333 states. [2020-10-12 20:59:10,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 467 transitions. [2020-10-12 20:59:10,661 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 467 transitions. Word has length 72 [2020-10-12 20:59:10,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 20:59:10,662 INFO L479 AbstractCegarLoop]: Abstraction has 333 states and 467 transitions. [2020-10-12 20:59:10,662 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 20:59:10,662 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 467 transitions. [2020-10-12 20:59:10,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-12 20:59:10,666 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:59:10,666 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] [2020-10-12 20:59:10,666 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 20:59:10,667 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:59:10,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:59:10,667 INFO L82 PathProgramCache]: Analyzing trace with hash 516145177, now seen corresponding path program 1 times [2020-10-12 20:59:10,667 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:59:10,667 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1251345798] [2020-10-12 20:59:10,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:59:10,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:59:10,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:10,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:10,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:10,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:10,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:59:10,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-12 20:59:10,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 20:59:10,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 283 [2020-10-12 20:59:10,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:59:10,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 20:59:10,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-12 20:59:10,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-12 20:59:10,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:59:11,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:59:11,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:59:11,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:11,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:59:11,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:59:11,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:59:11,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 20:59:11,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:59:11,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:59:11,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:59:11,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:59:11,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:59:11,027 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-10-12 20:59:11,027 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1251345798] [2020-10-12 20:59:11,027 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 20:59:11,028 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 20:59:11,028 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281899070] [2020-10-12 20:59:11,028 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 20:59:11,029 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:59:11,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 20:59:11,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:59:11,029 INFO L87 Difference]: Start difference. First operand 333 states and 467 transitions. Second operand 3 states. [2020-10-12 20:59:11,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 20:59:11,075 INFO L93 Difference]: Finished difference Result 809 states and 1140 transitions. [2020-10-12 20:59:11,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 20:59:11,076 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 90 [2020-10-12 20:59:11,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 20:59:11,079 INFO L225 Difference]: With dead ends: 809 [2020-10-12 20:59:11,079 INFO L226 Difference]: Without dead ends: 491 [2020-10-12 20:59:11,082 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 [2020-10-12 20:59:11,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2020-10-12 20:59:11,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 491. [2020-10-12 20:59:11,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 491 states. [2020-10-12 20:59:11,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 690 transitions. [2020-10-12 20:59:11,101 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 690 transitions. Word has length 90 [2020-10-12 20:59:11,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 20:59:11,101 INFO L479 AbstractCegarLoop]: Abstraction has 491 states and 690 transitions. [2020-10-12 20:59:11,102 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 20:59:11,102 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 690 transitions. [2020-10-12 20:59:11,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-10-12 20:59:11,107 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:59:11,110 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] [2020-10-12 20:59:11,110 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 20:59:11,111 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:59:11,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:59:11,111 INFO L82 PathProgramCache]: Analyzing trace with hash 1200449233, now seen corresponding path program 1 times [2020-10-12 20:59:11,111 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:59:11,112 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1189010503] [2020-10-12 20:59:11,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:59:11,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:59:11,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:11,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:11,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:59:11,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-12 20:59:11,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 20:59:11,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 140 [2020-10-12 20:59:11,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:59:11,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 20:59:11,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 94 [2020-10-12 20:59:11,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-12 20:59:11,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:59:11,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:59:11,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:59:11,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:11,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:59:11,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:59:11,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:59:11,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 20:59:11,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:59:11,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:59:11,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:59:11,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:59:11,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:59:11,311 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2020-10-12 20:59:11,312 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1189010503] [2020-10-12 20:59:11,312 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 20:59:11,312 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 20:59:11,312 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522359967] [2020-10-12 20:59:11,313 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 20:59:11,313 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:59:11,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 20:59:11,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:59:11,314 INFO L87 Difference]: Start difference. First operand 491 states and 690 transitions. Second operand 3 states. [2020-10-12 20:59:11,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 20:59:11,358 INFO L93 Difference]: Finished difference Result 651 states and 916 transitions. [2020-10-12 20:59:11,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 20:59:11,358 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 110 [2020-10-12 20:59:11,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 20:59:11,362 INFO L225 Difference]: With dead ends: 651 [2020-10-12 20:59:11,363 INFO L226 Difference]: Without dead ends: 649 [2020-10-12 20:59:11,363 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 [2020-10-12 20:59:11,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 649 states. [2020-10-12 20:59:11,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 649 to 649. [2020-10-12 20:59:11,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 649 states. [2020-10-12 20:59:11,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 914 transitions. [2020-10-12 20:59:11,383 INFO L78 Accepts]: Start accepts. Automaton has 649 states and 914 transitions. Word has length 110 [2020-10-12 20:59:11,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 20:59:11,383 INFO L479 AbstractCegarLoop]: Abstraction has 649 states and 914 transitions. [2020-10-12 20:59:11,383 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 20:59:11,384 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 914 transitions. [2020-10-12 20:59:11,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-10-12 20:59:11,386 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:59:11,386 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 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] [2020-10-12 20:59:11,387 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 20:59:11,387 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:59:11,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:59:11,387 INFO L82 PathProgramCache]: Analyzing trace with hash 324057546, now seen corresponding path program 1 times [2020-10-12 20:59:11,387 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:59:11,388 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [411761703] [2020-10-12 20:59:11,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:59:11,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:59:11,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:11,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:11,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:11,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:59:11,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-12 20:59:11,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 20:59:11,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 231 [2020-10-12 20:59:11,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:59:11,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 20:59:11,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 95 [2020-10-12 20:59:11,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 20:59:11,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:59:11,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:59:11,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:59:11,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:11,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:59:11,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:59:11,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:59:11,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 20:59:11,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:59:11,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:59:11,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:59:11,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:59:11,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:59:11,686 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2020-10-12 20:59:11,687 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [411761703] [2020-10-12 20:59:11,687 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 20:59:11,687 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 20:59:11,688 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929541097] [2020-10-12 20:59:11,688 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 20:59:11,689 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:59:11,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 20:59:11,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:59:11,690 INFO L87 Difference]: Start difference. First operand 649 states and 914 transitions. Second operand 3 states. [2020-10-12 20:59:11,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 20:59:11,937 INFO L93 Difference]: Finished difference Result 1483 states and 2161 transitions. [2020-10-12 20:59:11,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 20:59:11,938 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 128 [2020-10-12 20:59:11,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 20:59:11,943 INFO L225 Difference]: With dead ends: 1483 [2020-10-12 20:59:11,944 INFO L226 Difference]: Without dead ends: 845 [2020-10-12 20:59:11,945 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 [2020-10-12 20:59:11,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 845 states. [2020-10-12 20:59:11,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 845 to 813. [2020-10-12 20:59:11,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 813 states. [2020-10-12 20:59:11,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 813 states and 1178 transitions. [2020-10-12 20:59:11,969 INFO L78 Accepts]: Start accepts. Automaton has 813 states and 1178 transitions. Word has length 128 [2020-10-12 20:59:11,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 20:59:11,970 INFO L479 AbstractCegarLoop]: Abstraction has 813 states and 1178 transitions. [2020-10-12 20:59:11,970 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 20:59:11,970 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 1178 transitions. [2020-10-12 20:59:11,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-10-12 20:59:11,973 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:59:11,973 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 7, 7, 7, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 20:59:11,974 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 20:59:11,974 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:59:11,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:59:11,974 INFO L82 PathProgramCache]: Analyzing trace with hash 2058485299, now seen corresponding path program 1 times [2020-10-12 20:59:11,975 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:59:11,975 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [120787767] [2020-10-12 20:59:11,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:59:11,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:59:12,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:12,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:12,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:12,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:59:12,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-12 20:59:12,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 20:59:12,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 251 [2020-10-12 20:59:12,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:59:12,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 20:59:12,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 57 [2020-10-12 20:59:12,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-12 20:59:12,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:59:12,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:59:12,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:59:12,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:12,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:59:12,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:59:12,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:59:12,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 20:59:12,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:59:12,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:59:12,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:59:12,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:59:12,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 20:59:12,335 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 209 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-10-12 20:59:12,335 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [120787767] [2020-10-12 20:59:12,336 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 20:59:12,336 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 20:59:12,337 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834048092] [2020-10-12 20:59:12,337 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 20:59:12,337 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:59:12,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 20:59:12,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:59:12,338 INFO L87 Difference]: Start difference. First operand 813 states and 1178 transitions. Second operand 3 states. [2020-10-12 20:59:12,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 20:59:12,429 INFO L93 Difference]: Finished difference Result 2389 states and 3472 transitions. [2020-10-12 20:59:12,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 20:59:12,430 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 154 [2020-10-12 20:59:12,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 20:59:12,439 INFO L225 Difference]: With dead ends: 2389 [2020-10-12 20:59:12,439 INFO L226 Difference]: Without dead ends: 1591 [2020-10-12 20:59:12,442 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 [2020-10-12 20:59:12,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1591 states. [2020-10-12 20:59:12,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1591 to 1589. [2020-10-12 20:59:12,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1589 states. [2020-10-12 20:59:12,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1589 states to 1589 states and 2300 transitions. [2020-10-12 20:59:12,502 INFO L78 Accepts]: Start accepts. Automaton has 1589 states and 2300 transitions. Word has length 154 [2020-10-12 20:59:12,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 20:59:12,502 INFO L479 AbstractCegarLoop]: Abstraction has 1589 states and 2300 transitions. [2020-10-12 20:59:12,503 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 20:59:12,503 INFO L276 IsEmpty]: Start isEmpty. Operand 1589 states and 2300 transitions. [2020-10-12 20:59:12,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-10-12 20:59:12,508 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:59:12,508 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 7, 7, 7, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 20:59:12,508 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 20:59:12,509 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:59:12,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:59:12,509 INFO L82 PathProgramCache]: Analyzing trace with hash 253046965, now seen corresponding path program 1 times [2020-10-12 20:59:12,509 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:59:12,510 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [837270105] [2020-10-12 20:59:12,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:59:12,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:59:12,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:12,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:12,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:12,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:59:12,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-12 20:59:12,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 20:59:12,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 180 [2020-10-12 20:59:12,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:59:12,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 20:59:12,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 139 [2020-10-12 20:59:12,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 20:59:12,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:59:12,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:59:12,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:59:12,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:12,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:59:12,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:59:12,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:59:12,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 20:59:12,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:59:12,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:59:12,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:59:12,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:59:12,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 20:59:12,766 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2020-10-12 20:59:12,766 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [837270105] [2020-10-12 20:59:12,767 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 20:59:12,767 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 20:59:12,767 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479855349] [2020-10-12 20:59:12,768 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 20:59:12,768 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:59:12,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 20:59:12,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:59:12,769 INFO L87 Difference]: Start difference. First operand 1589 states and 2300 transitions. Second operand 3 states. [2020-10-12 20:59:12,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 20:59:12,939 INFO L93 Difference]: Finished difference Result 2483 states and 3615 transitions. [2020-10-12 20:59:12,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 20:59:12,940 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 154 [2020-10-12 20:59:12,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 20:59:12,949 INFO L225 Difference]: With dead ends: 2483 [2020-10-12 20:59:12,949 INFO L226 Difference]: Without dead ends: 1697 [2020-10-12 20:59:12,951 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 [2020-10-12 20:59:12,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1697 states. [2020-10-12 20:59:13,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1697 to 1665. [2020-10-12 20:59:13,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1665 states. [2020-10-12 20:59:13,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1665 states to 1665 states and 2396 transitions. [2020-10-12 20:59:13,015 INFO L78 Accepts]: Start accepts. Automaton has 1665 states and 2396 transitions. Word has length 154 [2020-10-12 20:59:13,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 20:59:13,016 INFO L479 AbstractCegarLoop]: Abstraction has 1665 states and 2396 transitions. [2020-10-12 20:59:13,017 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 20:59:13,017 INFO L276 IsEmpty]: Start isEmpty. Operand 1665 states and 2396 transitions. [2020-10-12 20:59:13,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-10-12 20:59:13,022 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:59:13,023 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 6, 6, 6, 6, 6, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 20:59:13,023 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-12 20:59:13,023 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:59:13,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:59:13,024 INFO L82 PathProgramCache]: Analyzing trace with hash -1014539218, now seen corresponding path program 1 times [2020-10-12 20:59:13,024 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:59:13,024 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [761007103] [2020-10-12 20:59:13,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:59:13,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:59:13,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:13,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:13,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:13,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:13,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:13,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:59:13,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-12 20:59:13,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 20:59:13,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 565 [2020-10-12 20:59:13,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:59:13,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 20:59:13,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 102 [2020-10-12 20:59:13,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 20:59:13,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:59:13,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:59:13,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:59:13,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:13,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:59:13,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:59:13,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:59:13,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 20:59:13,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:59:13,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:59:13,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:59:13,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:59:13,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:59:13,656 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2020-10-12 20:59:13,657 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [761007103] [2020-10-12 20:59:13,657 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 20:59:13,657 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 20:59:13,657 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382399032] [2020-10-12 20:59:13,658 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 20:59:13,658 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:59:13,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 20:59:13,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:59:13,659 INFO L87 Difference]: Start difference. First operand 1665 states and 2396 transitions. Second operand 3 states. [2020-10-12 20:59:13,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 20:59:13,923 INFO L93 Difference]: Finished difference Result 4053 states and 6016 transitions. [2020-10-12 20:59:13,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 20:59:13,924 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 161 [2020-10-12 20:59:13,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 20:59:13,935 INFO L225 Difference]: With dead ends: 4053 [2020-10-12 20:59:13,935 INFO L226 Difference]: Without dead ends: 2267 [2020-10-12 20:59:13,941 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 [2020-10-12 20:59:13,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2267 states. [2020-10-12 20:59:14,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2267 to 2033. [2020-10-12 20:59:14,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2033 states. [2020-10-12 20:59:14,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2033 states to 2033 states and 2932 transitions. [2020-10-12 20:59:14,018 INFO L78 Accepts]: Start accepts. Automaton has 2033 states and 2932 transitions. Word has length 161 [2020-10-12 20:59:14,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 20:59:14,019 INFO L479 AbstractCegarLoop]: Abstraction has 2033 states and 2932 transitions. [2020-10-12 20:59:14,019 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 20:59:14,019 INFO L276 IsEmpty]: Start isEmpty. Operand 2033 states and 2932 transitions. [2020-10-12 20:59:14,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-10-12 20:59:14,024 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:59:14,024 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 7, 7, 7, 7, 7, 6, 6, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 20:59:14,024 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-12 20:59:14,025 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:59:14,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:59:14,025 INFO L82 PathProgramCache]: Analyzing trace with hash 1459487707, now seen corresponding path program 1 times [2020-10-12 20:59:14,025 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:59:14,025 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [60357205] [2020-10-12 20:59:14,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:59:14,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:59:14,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:14,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:14,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:14,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:14,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:14,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:59:14,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 190 [2020-10-12 20:59:14,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 20:59:14,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 681 [2020-10-12 20:59:14,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:59:14,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 20:59:14,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-12 20:59:14,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-12 20:59:14,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:59:14,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:59:14,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:59:14,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:14,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:59:14,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:59:14,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:59:14,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 20:59:14,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:59:14,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:59:14,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:59:14,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:59:14,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:59:14,842 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2020-10-12 20:59:14,842 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [60357205] [2020-10-12 20:59:14,843 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 20:59:14,843 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 20:59:14,843 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260323853] [2020-10-12 20:59:14,844 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 20:59:14,844 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:59:14,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 20:59:14,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:59:14,845 INFO L87 Difference]: Start difference. First operand 2033 states and 2932 transitions. Second operand 3 states. [2020-10-12 20:59:15,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 20:59:15,105 INFO L93 Difference]: Finished difference Result 4443 states and 6317 transitions. [2020-10-12 20:59:15,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 20:59:15,106 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 182 [2020-10-12 20:59:15,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 20:59:15,118 INFO L225 Difference]: With dead ends: 4443 [2020-10-12 20:59:15,118 INFO L226 Difference]: Without dead ends: 2217 [2020-10-12 20:59:15,123 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 [2020-10-12 20:59:15,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2217 states. [2020-10-12 20:59:15,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2217 to 2145. [2020-10-12 20:59:15,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2145 states. [2020-10-12 20:59:15,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2145 states to 2145 states and 3060 transitions. [2020-10-12 20:59:15,210 INFO L78 Accepts]: Start accepts. Automaton has 2145 states and 3060 transitions. Word has length 182 [2020-10-12 20:59:15,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 20:59:15,211 INFO L479 AbstractCegarLoop]: Abstraction has 2145 states and 3060 transitions. [2020-10-12 20:59:15,211 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 20:59:15,211 INFO L276 IsEmpty]: Start isEmpty. Operand 2145 states and 3060 transitions. [2020-10-12 20:59:15,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-10-12 20:59:15,219 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:59:15,219 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 9, 9, 9, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 20:59:15,219 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-12 20:59:15,220 INFO L427 AbstractCegarLoop]: === Iteration 12 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:59:15,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:59:15,220 INFO L82 PathProgramCache]: Analyzing trace with hash 349832270, now seen corresponding path program 1 times [2020-10-12 20:59:15,220 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:59:15,221 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1874641832] [2020-10-12 20:59:15,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:59:15,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:59:15,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:15,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:15,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:15,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:15,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:59:15,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-10-12 20:59:15,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 20:59:15,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 330 [2020-10-12 20:59:15,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:59:15,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 20:59:15,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-12 20:59:15,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 20:59:15,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:59:15,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:59:15,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:59:15,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:15,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:59:15,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:59:15,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:59:15,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 20:59:15,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:59:15,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:59:15,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:59:15,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:59:15,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:59:15,668 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2020-10-12 20:59:15,669 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1874641832] [2020-10-12 20:59:15,669 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 20:59:15,669 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 20:59:15,670 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462799895] [2020-10-12 20:59:15,670 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 20:59:15,671 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:59:15,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 20:59:15,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:59:15,671 INFO L87 Difference]: Start difference. First operand 2145 states and 3060 transitions. Second operand 3 states. [2020-10-12 20:59:15,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 20:59:15,888 INFO L93 Difference]: Finished difference Result 4379 states and 6227 transitions. [2020-10-12 20:59:15,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 20:59:15,889 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 191 [2020-10-12 20:59:15,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 20:59:15,900 INFO L225 Difference]: With dead ends: 4379 [2020-10-12 20:59:15,900 INFO L226 Difference]: Without dead ends: 2233 [2020-10-12 20:59:15,905 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 [2020-10-12 20:59:15,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2233 states. [2020-10-12 20:59:15,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2233 to 2137. [2020-10-12 20:59:15,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2137 states. [2020-10-12 20:59:15,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2137 states to 2137 states and 3036 transitions. [2020-10-12 20:59:15,969 INFO L78 Accepts]: Start accepts. Automaton has 2137 states and 3036 transitions. Word has length 191 [2020-10-12 20:59:15,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 20:59:15,969 INFO L479 AbstractCegarLoop]: Abstraction has 2137 states and 3036 transitions. [2020-10-12 20:59:15,970 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 20:59:15,970 INFO L276 IsEmpty]: Start isEmpty. Operand 2137 states and 3036 transitions. [2020-10-12 20:59:15,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-10-12 20:59:15,976 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:59:15,976 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 10, 10, 10, 10, 10, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 20:59:15,976 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-12 20:59:15,976 INFO L427 AbstractCegarLoop]: === Iteration 13 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:59:15,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:59:15,977 INFO L82 PathProgramCache]: Analyzing trace with hash -1954046908, now seen corresponding path program 1 times [2020-10-12 20:59:15,977 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:59:15,977 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [605840944] [2020-10-12 20:59:15,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:59:16,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:59:16,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:16,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:16,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:59:16,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 219 [2020-10-12 20:59:16,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 20:59:16,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 274 [2020-10-12 20:59:16,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:59:16,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 20:59:16,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-12 20:59:16,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 20:59:16,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 20:59:16,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:59:16,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:59:16,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:16,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:59:16,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:59:16,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:59:16,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 20:59:16,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:59:16,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:59:16,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:59:16,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:59:16,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 20:59:16,381 INFO L134 CoverageAnalysis]: Checked inductivity of 657 backedges. 402 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2020-10-12 20:59:16,382 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [605840944] [2020-10-12 20:59:16,382 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 20:59:16,382 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 20:59:16,383 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198247142] [2020-10-12 20:59:16,383 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 20:59:16,383 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:59:16,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 20:59:16,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:59:16,384 INFO L87 Difference]: Start difference. First operand 2137 states and 3036 transitions. Second operand 3 states. [2020-10-12 20:59:16,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 20:59:16,755 INFO L93 Difference]: Finished difference Result 4675 states and 6693 transitions. [2020-10-12 20:59:16,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 20:59:16,756 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 211 [2020-10-12 20:59:16,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 20:59:16,773 INFO L225 Difference]: With dead ends: 4675 [2020-10-12 20:59:16,774 INFO L226 Difference]: Without dead ends: 2433 [2020-10-12 20:59:16,781 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 [2020-10-12 20:59:16,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2433 states. [2020-10-12 20:59:16,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2433 to 2337. [2020-10-12 20:59:16,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2337 states. [2020-10-12 20:59:16,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2337 states to 2337 states and 3292 transitions. [2020-10-12 20:59:16,978 INFO L78 Accepts]: Start accepts. Automaton has 2337 states and 3292 transitions. Word has length 211 [2020-10-12 20:59:16,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 20:59:16,978 INFO L479 AbstractCegarLoop]: Abstraction has 2337 states and 3292 transitions. [2020-10-12 20:59:16,978 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 20:59:16,979 INFO L276 IsEmpty]: Start isEmpty. Operand 2337 states and 3292 transitions. [2020-10-12 20:59:16,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-10-12 20:59:16,985 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:59:16,985 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 11, 11, 11, 11, 11, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 20:59:16,985 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-12 20:59:16,986 INFO L427 AbstractCegarLoop]: === Iteration 14 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:59:16,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:59:16,987 INFO L82 PathProgramCache]: Analyzing trace with hash -1321372623, now seen corresponding path program 1 times [2020-10-12 20:59:16,987 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:59:16,987 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [36110586] [2020-10-12 20:59:16,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:59:17,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:59:17,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:17,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:17,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:59:17,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-10-12 20:59:17,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 20:59:17,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 266 [2020-10-12 20:59:17,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:59:17,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 20:59:17,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-10-12 20:59:17,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-12 20:59:17,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:59:17,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:59:17,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:59:17,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:17,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:59:17,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:59:17,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:59:17,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 20:59:17,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:59:17,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:59:17,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:59:17,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:59:17,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:59:17,474 INFO L134 CoverageAnalysis]: Checked inductivity of 805 backedges. 528 proven. 0 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2020-10-12 20:59:17,474 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [36110586] [2020-10-12 20:59:17,475 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 20:59:17,475 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 20:59:17,475 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967710020] [2020-10-12 20:59:17,476 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 20:59:17,476 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:59:17,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 20:59:17,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:59:17,477 INFO L87 Difference]: Start difference. First operand 2337 states and 3292 transitions. Second operand 3 states. [2020-10-12 20:59:17,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 20:59:17,558 INFO L93 Difference]: Finished difference Result 5235 states and 7374 transitions. [2020-10-12 20:59:17,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 20:59:17,559 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 235 [2020-10-12 20:59:17,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 20:59:17,574 INFO L225 Difference]: With dead ends: 5235 [2020-10-12 20:59:17,574 INFO L226 Difference]: Without dead ends: 2913 [2020-10-12 20:59:17,579 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 [2020-10-12 20:59:17,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2913 states. [2020-10-12 20:59:17,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2913 to 2913. [2020-10-12 20:59:17,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2913 states. [2020-10-12 20:59:17,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2913 states to 2913 states and 4093 transitions. [2020-10-12 20:59:17,679 INFO L78 Accepts]: Start accepts. Automaton has 2913 states and 4093 transitions. Word has length 235 [2020-10-12 20:59:17,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 20:59:17,679 INFO L479 AbstractCegarLoop]: Abstraction has 2913 states and 4093 transitions. [2020-10-12 20:59:17,679 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 20:59:17,680 INFO L276 IsEmpty]: Start isEmpty. Operand 2913 states and 4093 transitions. [2020-10-12 20:59:17,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2020-10-12 20:59:17,688 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:59:17,688 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 11, 11, 11, 11, 11, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 20:59:17,688 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-12 20:59:17,688 INFO L427 AbstractCegarLoop]: === Iteration 15 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:59:17,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:59:17,689 INFO L82 PathProgramCache]: Analyzing trace with hash 1614422425, now seen corresponding path program 1 times [2020-10-12 20:59:17,689 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:59:17,689 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2091575208] [2020-10-12 20:59:17,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:59:17,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:59:17,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:17,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:59:17,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 245 [2020-10-12 20:59:17,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:59:17,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 175 [2020-10-12 20:59:17,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:59:17,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 20:59:17,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-12 20:59:17,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 20:59:17,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:59:17,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:59:17,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:59:17,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:17,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:59:17,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:59:17,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:59:17,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 20:59:17,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:59:17,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:59:17,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:59:17,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:59:17,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:59:17,966 INFO L134 CoverageAnalysis]: Checked inductivity of 807 backedges. 479 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2020-10-12 20:59:17,966 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2091575208] [2020-10-12 20:59:17,966 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 20:59:17,967 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 20:59:17,967 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110480421] [2020-10-12 20:59:17,967 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 20:59:17,968 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:59:17,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 20:59:17,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:59:17,968 INFO L87 Difference]: Start difference. First operand 2913 states and 4093 transitions. Second operand 3 states. [2020-10-12 20:59:18,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 20:59:18,274 INFO L93 Difference]: Finished difference Result 6331 states and 8957 transitions. [2020-10-12 20:59:18,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 20:59:18,275 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 237 [2020-10-12 20:59:18,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 20:59:18,294 INFO L225 Difference]: With dead ends: 6331 [2020-10-12 20:59:18,294 INFO L226 Difference]: Without dead ends: 3303 [2020-10-12 20:59:18,304 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 [2020-10-12 20:59:18,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3303 states. [2020-10-12 20:59:18,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3303 to 3193. [2020-10-12 20:59:18,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3193 states. [2020-10-12 20:59:18,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3193 states to 3193 states and 4463 transitions. [2020-10-12 20:59:18,431 INFO L78 Accepts]: Start accepts. Automaton has 3193 states and 4463 transitions. Word has length 237 [2020-10-12 20:59:18,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 20:59:18,432 INFO L479 AbstractCegarLoop]: Abstraction has 3193 states and 4463 transitions. [2020-10-12 20:59:18,432 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 20:59:18,432 INFO L276 IsEmpty]: Start isEmpty. Operand 3193 states and 4463 transitions. [2020-10-12 20:59:18,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2020-10-12 20:59:18,441 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:59:18,441 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 11, 11, 11, 11, 11, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 20:59:18,441 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-12 20:59:18,442 INFO L427 AbstractCegarLoop]: === Iteration 16 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:59:18,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:59:18,442 INFO L82 PathProgramCache]: Analyzing trace with hash 1732863899, now seen corresponding path program 1 times [2020-10-12 20:59:18,442 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:59:18,443 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1391300081] [2020-10-12 20:59:18,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:59:18,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:59:18,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:18,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:59:18,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 245 [2020-10-12 20:59:18,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:59:18,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-10-12 20:59:18,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:59:18,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 20:59:18,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-12 20:59:18,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 20:59:18,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:59:18,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:59:18,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:59:18,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:18,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:59:18,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:59:18,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:59:18,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 20:59:18,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:59:18,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:59:18,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:59:18,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:59:18,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:59:18,684 INFO L134 CoverageAnalysis]: Checked inductivity of 807 backedges. 479 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2020-10-12 20:59:18,685 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1391300081] [2020-10-12 20:59:18,685 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 20:59:18,685 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 20:59:18,686 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223154127] [2020-10-12 20:59:18,686 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 20:59:18,687 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:59:18,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 20:59:18,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:59:18,687 INFO L87 Difference]: Start difference. First operand 3193 states and 4463 transitions. Second operand 3 states. [2020-10-12 20:59:19,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 20:59:19,021 INFO L93 Difference]: Finished difference Result 6891 states and 9707 transitions. [2020-10-12 20:59:19,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 20:59:19,022 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 237 [2020-10-12 20:59:19,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 20:59:19,049 INFO L225 Difference]: With dead ends: 6891 [2020-10-12 20:59:19,050 INFO L226 Difference]: Without dead ends: 3623 [2020-10-12 20:59:19,056 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 [2020-10-12 20:59:19,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3623 states. [2020-10-12 20:59:19,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3623 to 3503. [2020-10-12 20:59:19,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3503 states. [2020-10-12 20:59:19,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3503 states to 3503 states and 4903 transitions. [2020-10-12 20:59:19,182 INFO L78 Accepts]: Start accepts. Automaton has 3503 states and 4903 transitions. Word has length 237 [2020-10-12 20:59:19,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 20:59:19,183 INFO L479 AbstractCegarLoop]: Abstraction has 3503 states and 4903 transitions. [2020-10-12 20:59:19,183 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 20:59:19,183 INFO L276 IsEmpty]: Start isEmpty. Operand 3503 states and 4903 transitions. [2020-10-12 20:59:19,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2020-10-12 20:59:19,197 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:59:19,198 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 12, 12, 12, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 20:59:19,198 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-12 20:59:19,198 INFO L427 AbstractCegarLoop]: === Iteration 17 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:59:19,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:59:19,199 INFO L82 PathProgramCache]: Analyzing trace with hash -1605135845, now seen corresponding path program 1 times [2020-10-12 20:59:19,199 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:59:19,199 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1520650426] [2020-10-12 20:59:19,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:59:19,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:59:19,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:19,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:59:19,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 275 [2020-10-12 20:59:19,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:59:19,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 173 [2020-10-12 20:59:19,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:59:19,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 20:59:19,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 170 [2020-10-12 20:59:19,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 20:59:19,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:59:19,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:59:19,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:59:19,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:19,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:59:19,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:59:19,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:59:19,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 20:59:19,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:59:19,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:59:19,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:59:19,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:59:19,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:59:19,481 INFO L134 CoverageAnalysis]: Checked inductivity of 975 backedges. 554 proven. 0 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2020-10-12 20:59:19,482 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1520650426] [2020-10-12 20:59:19,482 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 20:59:19,482 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 20:59:19,482 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021447280] [2020-10-12 20:59:19,483 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 20:59:19,483 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:59:19,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 20:59:19,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:59:19,485 INFO L87 Difference]: Start difference. First operand 3503 states and 4903 transitions. Second operand 3 states. [2020-10-12 20:59:19,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 20:59:19,761 INFO L93 Difference]: Finished difference Result 7501 states and 10567 transitions. [2020-10-12 20:59:19,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 20:59:19,761 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 267 [2020-10-12 20:59:19,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 20:59:19,782 INFO L225 Difference]: With dead ends: 7501 [2020-10-12 20:59:19,782 INFO L226 Difference]: Without dead ends: 3963 [2020-10-12 20:59:19,791 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 [2020-10-12 20:59:19,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3963 states. [2020-10-12 20:59:19,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3963 to 3853. [2020-10-12 20:59:19,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3853 states. [2020-10-12 20:59:19,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3853 states to 3853 states and 5423 transitions. [2020-10-12 20:59:19,918 INFO L78 Accepts]: Start accepts. Automaton has 3853 states and 5423 transitions. Word has length 267 [2020-10-12 20:59:19,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 20:59:19,919 INFO L479 AbstractCegarLoop]: Abstraction has 3853 states and 5423 transitions. [2020-10-12 20:59:19,919 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 20:59:19,919 INFO L276 IsEmpty]: Start isEmpty. Operand 3853 states and 5423 transitions. [2020-10-12 20:59:19,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2020-10-12 20:59:19,929 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:59:19,930 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 13, 13, 13, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 20:59:19,930 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-12 20:59:19,930 INFO L427 AbstractCegarLoop]: === Iteration 18 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:59:19,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:59:19,931 INFO L82 PathProgramCache]: Analyzing trace with hash 1629361503, now seen corresponding path program 1 times [2020-10-12 20:59:19,931 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:59:19,931 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2106556781] [2020-10-12 20:59:19,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:59:19,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:59:19,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:20,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:59:20,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 310 [2020-10-12 20:59:20,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:59:20,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 178 [2020-10-12 20:59:20,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:59:20,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 20:59:20,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 203 [2020-10-12 20:59:20,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 20:59:20,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:59:20,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:59:20,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:59:20,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:20,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:59:20,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:59:20,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:59:20,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 20:59:20,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:59:20,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:59:20,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:59:20,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:59:20,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:59:20,236 INFO L134 CoverageAnalysis]: Checked inductivity of 1169 backedges. 629 proven. 0 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2020-10-12 20:59:20,236 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2106556781] [2020-10-12 20:59:20,237 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 20:59:20,237 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 20:59:20,239 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083615553] [2020-10-12 20:59:20,241 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 20:59:20,241 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:59:20,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 20:59:20,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:59:20,244 INFO L87 Difference]: Start difference. First operand 3853 states and 5423 transitions. Second operand 3 states. [2020-10-12 20:59:20,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 20:59:20,481 INFO L93 Difference]: Finished difference Result 8001 states and 11282 transitions. [2020-10-12 20:59:20,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 20:59:20,482 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 302 [2020-10-12 20:59:20,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 20:59:20,492 INFO L225 Difference]: With dead ends: 8001 [2020-10-12 20:59:20,492 INFO L226 Difference]: Without dead ends: 4133 [2020-10-12 20:59:20,502 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 [2020-10-12 20:59:20,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4133 states. [2020-10-12 20:59:20,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4133 to 4023. [2020-10-12 20:59:20,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4023 states. [2020-10-12 20:59:20,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4023 states to 4023 states and 5658 transitions. [2020-10-12 20:59:20,609 INFO L78 Accepts]: Start accepts. Automaton has 4023 states and 5658 transitions. Word has length 302 [2020-10-12 20:59:20,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 20:59:20,610 INFO L479 AbstractCegarLoop]: Abstraction has 4023 states and 5658 transitions. [2020-10-12 20:59:20,610 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 20:59:20,610 INFO L276 IsEmpty]: Start isEmpty. Operand 4023 states and 5658 transitions. [2020-10-12 20:59:20,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2020-10-12 20:59:20,621 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:59:20,621 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-12 20:59:20,621 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-12 20:59:20,621 INFO L427 AbstractCegarLoop]: === Iteration 19 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:59:20,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:59:20,622 INFO L82 PathProgramCache]: Analyzing trace with hash -1736636624, now seen corresponding path program 1 times [2020-10-12 20:59:20,622 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:59:20,622 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1474846052] [2020-10-12 20:59:20,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:59:20,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:59:20,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:20,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:59:20,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 334 [2020-10-12 20:59:20,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:59:20,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 143 [2020-10-12 20:59:20,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:59:20,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 20:59:20,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 240 [2020-10-12 20:59:20,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 20:59:20,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:59:20,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:59:20,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:59:20,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:20,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:59:20,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:59:20,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:59:20,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 20:59:20,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:59:20,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:59:20,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:59:20,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:59:20,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:59:20,968 INFO L134 CoverageAnalysis]: Checked inductivity of 1313 backedges. 664 proven. 0 refuted. 0 times theorem prover too weak. 649 trivial. 0 not checked. [2020-10-12 20:59:20,969 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1474846052] [2020-10-12 20:59:20,969 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 20:59:20,969 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 20:59:20,970 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697348068] [2020-10-12 20:59:20,971 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 20:59:20,971 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:59:20,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 20:59:20,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:59:20,972 INFO L87 Difference]: Start difference. First operand 4023 states and 5658 transitions. Second operand 3 states. [2020-10-12 20:59:21,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 20:59:21,207 INFO L93 Difference]: Finished difference Result 8121 states and 11407 transitions. [2020-10-12 20:59:21,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 20:59:21,207 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 326 [2020-10-12 20:59:21,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 20:59:21,220 INFO L225 Difference]: With dead ends: 8121 [2020-10-12 20:59:21,221 INFO L226 Difference]: Without dead ends: 4113 [2020-10-12 20:59:21,229 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 [2020-10-12 20:59:21,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4113 states. [2020-10-12 20:59:21,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4113 to 4023. [2020-10-12 20:59:21,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4023 states. [2020-10-12 20:59:21,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4023 states to 4023 states and 5648 transitions. [2020-10-12 20:59:21,370 INFO L78 Accepts]: Start accepts. Automaton has 4023 states and 5648 transitions. Word has length 326 [2020-10-12 20:59:21,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 20:59:21,371 INFO L479 AbstractCegarLoop]: Abstraction has 4023 states and 5648 transitions. [2020-10-12 20:59:21,371 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 20:59:21,371 INFO L276 IsEmpty]: Start isEmpty. Operand 4023 states and 5648 transitions. [2020-10-12 20:59:21,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2020-10-12 20:59:21,388 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:59:21,388 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 14, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 20:59:21,388 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-12 20:59:21,389 INFO L427 AbstractCegarLoop]: === Iteration 20 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:59:21,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:59:21,389 INFO L82 PathProgramCache]: Analyzing trace with hash -2020144308, now seen corresponding path program 1 times [2020-10-12 20:59:21,390 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:59:21,390 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [943943211] [2020-10-12 20:59:21,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:59:21,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:59:21,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:21,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:59:21,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 347 [2020-10-12 20:59:21,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:59:21,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 203 [2020-10-12 20:59:21,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:59:21,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 20:59:21,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 240 [2020-10-12 20:59:21,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 20:59:21,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 20:59:21,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:59:21,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:59:21,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:21,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:59:21,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:59:21,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:59:21,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 20:59:21,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:59:21,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:59:21,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:59:21,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:59:21,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:59:21,794 INFO L134 CoverageAnalysis]: Checked inductivity of 1420 backedges. 731 proven. 0 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2020-10-12 20:59:21,795 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [943943211] [2020-10-12 20:59:21,795 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 20:59:21,795 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 20:59:21,796 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440768326] [2020-10-12 20:59:21,796 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 20:59:21,797 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:59:21,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 20:59:21,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:59:21,797 INFO L87 Difference]: Start difference. First operand 4023 states and 5648 transitions. Second operand 3 states. [2020-10-12 20:59:22,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 20:59:22,047 INFO L93 Difference]: Finished difference Result 8526 states and 11862 transitions. [2020-10-12 20:59:22,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 20:59:22,048 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 339 [2020-10-12 20:59:22,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 20:59:22,059 INFO L225 Difference]: With dead ends: 8526 [2020-10-12 20:59:22,060 INFO L226 Difference]: Without dead ends: 4518 [2020-10-12 20:59:22,068 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 [2020-10-12 20:59:22,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4518 states. [2020-10-12 20:59:22,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4518 to 4168. [2020-10-12 20:59:22,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4168 states. [2020-10-12 20:59:22,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4168 states to 4168 states and 5843 transitions. [2020-10-12 20:59:22,223 INFO L78 Accepts]: Start accepts. Automaton has 4168 states and 5843 transitions. Word has length 339 [2020-10-12 20:59:22,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 20:59:22,224 INFO L479 AbstractCegarLoop]: Abstraction has 4168 states and 5843 transitions. [2020-10-12 20:59:22,224 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 20:59:22,224 INFO L276 IsEmpty]: Start isEmpty. Operand 4168 states and 5843 transitions. [2020-10-12 20:59:22,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2020-10-12 20:59:22,235 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:59:22,236 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 14, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 20:59:22,236 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-12 20:59:22,236 INFO L427 AbstractCegarLoop]: === Iteration 21 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:59:22,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:59:22,236 INFO L82 PathProgramCache]: Analyzing trace with hash -1817523371, now seen corresponding path program 1 times [2020-10-12 20:59:22,237 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:59:22,237 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1011963269] [2020-10-12 20:59:22,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:59:22,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:59:22,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:22,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:59:22,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 358 [2020-10-12 20:59:22,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:59:22,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 243 [2020-10-12 20:59:22,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:59:22,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 20:59:22,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 241 [2020-10-12 20:59:22,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-12 20:59:22,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 20:59:22,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:59:22,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:59:22,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:22,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:59:22,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:59:22,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:59:22,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 20:59:22,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:59:22,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:59:22,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:59:22,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:59:22,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 20:59:22,722 INFO L134 CoverageAnalysis]: Checked inductivity of 1417 backedges. 792 proven. 12 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2020-10-12 20:59:22,722 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1011963269] [2020-10-12 20:59:22,723 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 20:59:22,723 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-10-12 20:59:22,723 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885697198] [2020-10-12 20:59:22,724 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-12 20:59:22,724 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:59:22,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-12 20:59:22,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-12 20:59:22,725 INFO L87 Difference]: Start difference. First operand 4168 states and 5843 transitions. Second operand 4 states. [2020-10-12 20:59:23,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 20:59:23,147 INFO L93 Difference]: Finished difference Result 10281 states and 14377 transitions. [2020-10-12 20:59:23,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 20:59:23,147 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 350 [2020-10-12 20:59:23,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 20:59:23,161 INFO L225 Difference]: With dead ends: 10281 [2020-10-12 20:59:23,161 INFO L226 Difference]: Without dead ends: 6128 [2020-10-12 20:59:23,170 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-12 20:59:23,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6128 states. [2020-10-12 20:59:23,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6128 to 4598. [2020-10-12 20:59:23,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4598 states. [2020-10-12 20:59:23,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4598 states to 4598 states and 6238 transitions. [2020-10-12 20:59:23,299 INFO L78 Accepts]: Start accepts. Automaton has 4598 states and 6238 transitions. Word has length 350 [2020-10-12 20:59:23,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 20:59:23,300 INFO L479 AbstractCegarLoop]: Abstraction has 4598 states and 6238 transitions. [2020-10-12 20:59:23,300 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-12 20:59:23,300 INFO L276 IsEmpty]: Start isEmpty. Operand 4598 states and 6238 transitions. [2020-10-12 20:59:23,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2020-10-12 20:59:23,313 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:59:23,314 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 16, 16, 16, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 20:59:23,314 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-12 20:59:23,314 INFO L427 AbstractCegarLoop]: === Iteration 22 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:59:23,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:59:23,315 INFO L82 PathProgramCache]: Analyzing trace with hash 1965718292, now seen corresponding path program 1 times [2020-10-12 20:59:23,315 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:59:23,316 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1079949909] [2020-10-12 20:59:23,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:59:23,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:59:23,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:23,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:59:23,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 423 [2020-10-12 20:59:23,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:59:23,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 277 [2020-10-12 20:59:23,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:59:23,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 20:59:23,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 317 [2020-10-12 20:59:23,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 20:59:23,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:59:23,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:59:23,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:59:23,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:23,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:59:23,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:59:23,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:59:23,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 20:59:23,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:59:23,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:59:23,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:59:23,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:59:23,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:59:23,791 INFO L134 CoverageAnalysis]: Checked inductivity of 1970 backedges. 885 proven. 0 refuted. 0 times theorem prover too weak. 1085 trivial. 0 not checked. [2020-10-12 20:59:23,792 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1079949909] [2020-10-12 20:59:23,792 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 20:59:23,792 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 20:59:23,792 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755379270] [2020-10-12 20:59:23,793 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 20:59:23,793 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:59:23,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 20:59:23,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:59:23,793 INFO L87 Difference]: Start difference. First operand 4598 states and 6238 transitions. Second operand 3 states. [2020-10-12 20:59:23,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 20:59:24,000 INFO L93 Difference]: Finished difference Result 9101 states and 12157 transitions. [2020-10-12 20:59:24,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 20:59:24,001 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 415 [2020-10-12 20:59:24,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 20:59:24,006 INFO L225 Difference]: With dead ends: 9101 [2020-10-12 20:59:24,008 INFO L226 Difference]: Without dead ends: 2413 [2020-10-12 20:59:24,019 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 [2020-10-12 20:59:24,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2413 states. [2020-10-12 20:59:24,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2413 to 2413. [2020-10-12 20:59:24,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2413 states. [2020-10-12 20:59:24,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2413 states to 2413 states and 3277 transitions. [2020-10-12 20:59:24,074 INFO L78 Accepts]: Start accepts. Automaton has 2413 states and 3277 transitions. Word has length 415 [2020-10-12 20:59:24,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 20:59:24,075 INFO L479 AbstractCegarLoop]: Abstraction has 2413 states and 3277 transitions. [2020-10-12 20:59:24,075 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 20:59:24,075 INFO L276 IsEmpty]: Start isEmpty. Operand 2413 states and 3277 transitions. [2020-10-12 20:59:24,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 500 [2020-10-12 20:59:24,088 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:59:24,088 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 17, 16, 16, 14, 14, 13, 13, 12, 12, 10, 10, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 20:59:24,089 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-12 20:59:24,089 INFO L427 AbstractCegarLoop]: === Iteration 23 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:59:24,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:59:24,089 INFO L82 PathProgramCache]: Analyzing trace with hash -480094976, now seen corresponding path program 1 times [2020-10-12 20:59:24,089 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:59:24,096 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [418457274] [2020-10-12 20:59:24,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:59:24,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:59:24,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:24,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:24,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:25,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:27,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:59:27,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 507 [2020-10-12 20:59:27,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 20:59:27,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3214 [2020-10-12 20:59:27,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:59:27,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 20:59:27,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 167 [2020-10-12 20:59:27,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 224 [2020-10-12 20:59:27,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:59:27,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:59:27,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:59:27,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:27,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:59:27,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:59:27,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:59:27,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 20:59:27,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:59:27,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:59:27,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:59:27,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:59:27,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:59:27,896 INFO L134 CoverageAnalysis]: Checked inductivity of 2606 backedges. 1783 proven. 0 refuted. 0 times theorem prover too weak. 823 trivial. 0 not checked. [2020-10-12 20:59:27,897 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [418457274] [2020-10-12 20:59:27,900 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 20:59:27,901 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-12 20:59:27,901 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233928478] [2020-10-12 20:59:27,902 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-12 20:59:27,902 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:59:27,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-12 20:59:27,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-12 20:59:27,903 INFO L87 Difference]: Start difference. First operand 2413 states and 3277 transitions. Second operand 4 states. [2020-10-12 20:59:27,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 20:59:27,955 INFO L93 Difference]: Finished difference Result 3905 states and 5274 transitions. [2020-10-12 20:59:27,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-12 20:59:27,956 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 499 [2020-10-12 20:59:27,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 20:59:27,958 INFO L225 Difference]: With dead ends: 3905 [2020-10-12 20:59:27,958 INFO L226 Difference]: Without dead ends: 0 [2020-10-12 20:59:27,967 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-12 20:59:27,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-12 20:59:27,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-12 20:59:27,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-12 20:59:27,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-12 20:59:27,968 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 499 [2020-10-12 20:59:27,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 20:59:27,969 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-12 20:59:27,969 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-12 20:59:27,969 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-12 20:59:27,970 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-12 20:59:27,970 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-12 20:59:27,973 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-12 20:59:28,087 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 52 [2020-10-12 20:59:28,286 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 62 [2020-10-12 20:59:28,519 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 71 [2020-10-12 20:59:28,955 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 34 [2020-10-12 20:59:29,175 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 10 [2020-10-12 20:59:29,738 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 63 [2020-10-12 20:59:29,902 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 36 [2020-10-12 20:59:30,012 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 33 [2020-10-12 20:59:30,133 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 33 [2020-10-12 20:59:30,373 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 33 [2020-10-12 20:59:30,480 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 33 [2020-10-12 20:59:30,671 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 33 [2020-10-12 20:59:30,903 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 33 [2020-10-12 20:59:31,006 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 33 [2020-10-12 20:59:31,011 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-10-12 20:59:31,011 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-12 20:59:31,011 INFO L268 CegarLoopResult]: For program point L366(lines 366 370) no Hoare annotation was computed. [2020-10-12 20:59:31,012 INFO L268 CegarLoopResult]: For program point L366-2(lines 366 370) no Hoare annotation was computed. [2020-10-12 20:59:31,012 INFO L268 CegarLoopResult]: For program point L565(lines 565 593) no Hoare annotation was computed. [2020-10-12 20:59:31,012 INFO L268 CegarLoopResult]: For program point L169(lines 169 540) no Hoare annotation was computed. [2020-10-12 20:59:31,012 INFO L268 CegarLoopResult]: For program point L136(lines 136 551) no Hoare annotation was computed. [2020-10-12 20:59:31,012 INFO L268 CegarLoopResult]: For program point L103(lines 103 562) no Hoare annotation was computed. [2020-10-12 20:59:31,012 INFO L268 CegarLoopResult]: For program point L566(lines 566 590) no Hoare annotation was computed. [2020-10-12 20:59:31,012 INFO L268 CegarLoopResult]: For program point L500-1(lines 198 528) no Hoare annotation was computed. [2020-10-12 20:59:31,012 INFO L268 CegarLoopResult]: For program point L335(lines 335 340) no Hoare annotation was computed. [2020-10-12 20:59:31,012 INFO L268 CegarLoopResult]: For program point L302-1(lines 302 316) no Hoare annotation was computed. [2020-10-12 20:59:31,013 INFO L264 CegarLoopResult]: At program point L203(lines 100 563) the Hoare annotation is: (or (not (<= |ssl3_connect_#in~initial_state| 12292)) (not (<= 12292 |ssl3_connect_#in~initial_state|)) (<= ssl3_connect_~blastFlag~0 2)) [2020-10-12 20:59:31,013 INFO L264 CegarLoopResult]: At program point L170(lines 166 541) the Hoare annotation is: (let ((.cse2 (<= ssl3_connect_~blastFlag~0 4)) (.cse0 (<= ssl3_connect_~s__state~0 4512)) (.cse3 (let ((.cse4 (+ ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256))) (= .cse4 (* (div .cse4 4294967296) 4294967296)))) (.cse1 (<= 4432 ssl3_connect_~s__state~0))) (or (not (<= 12292 |ssl3_connect_#in~initial_state|)) (not (<= |ssl3_connect_#in~initial_state| 12292)) (and .cse0 .cse1 (<= ssl3_connect_~blastFlag~0 2)) (and .cse2 .cse0 (<= (+ ssl3_connect_~s__s3__flags~0 2) 0) .cse3 .cse1) (and .cse2 (= ssl3_connect_~s__hit~0 0) .cse0 .cse3 .cse1))) [2020-10-12 20:59:31,013 INFO L268 CegarLoopResult]: For program point L600(lines 600 604) no Hoare annotation was computed. [2020-10-12 20:59:31,013 INFO L268 CegarLoopResult]: For program point L567(lines 567 576) no Hoare annotation was computed. [2020-10-12 20:59:31,013 INFO L268 CegarLoopResult]: For program point L600-2(lines 600 604) no Hoare annotation was computed. [2020-10-12 20:59:31,014 INFO L268 CegarLoopResult]: For program point L567-2(lines 566 588) no Hoare annotation was computed. [2020-10-12 20:59:31,014 INFO L268 CegarLoopResult]: For program point L270(lines 270 274) no Hoare annotation was computed. [2020-10-12 20:59:31,014 INFO L268 CegarLoopResult]: For program point L172(lines 172 539) no Hoare annotation was computed. [2020-10-12 20:59:31,014 INFO L268 CegarLoopResult]: For program point L139(lines 139 550) no Hoare annotation was computed. [2020-10-12 20:59:31,014 INFO L268 CegarLoopResult]: For program point L106(lines 106 561) no Hoare annotation was computed. [2020-10-12 20:59:31,014 INFO L268 CegarLoopResult]: For program point L569(lines 569 573) no Hoare annotation was computed. [2020-10-12 20:59:31,014 INFO L268 CegarLoopResult]: For program point L437(lines 437 442) no Hoare annotation was computed. [2020-10-12 20:59:31,015 INFO L264 CegarLoopResult]: At program point L140(lines 136 551) the Hoare annotation is: (let ((.cse0 (<= ssl3_connect_~blastFlag~0 4)) (.cse2 (let ((.cse4 (+ ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256))) (= .cse4 (* (div .cse4 4294967296) 4294967296)))) (.cse1 (<= ssl3_connect_~s__state~0 4448)) (.cse3 (<= 4432 ssl3_connect_~s__state~0))) (or (not (<= 12292 |ssl3_connect_#in~initial_state|)) (not (<= |ssl3_connect_#in~initial_state| 12292)) (and .cse0 (= ssl3_connect_~s__hit~0 0) .cse1 .cse2 .cse3) (and .cse0 .cse1 (<= (+ ssl3_connect_~s__s3__flags~0 2) 0) .cse2 .cse3) (and .cse1 .cse3 (<= ssl3_connect_~blastFlag~0 2)))) [2020-10-12 20:59:31,015 INFO L268 CegarLoopResult]: For program point L74(lines 74 82) no Hoare annotation was computed. [2020-10-12 20:59:31,015 INFO L268 CegarLoopResult]: For program point L471(lines 471 475) no Hoare annotation was computed. [2020-10-12 20:59:31,015 INFO L268 CegarLoopResult]: For program point L306(lines 306 310) no Hoare annotation was computed. [2020-10-12 20:59:31,015 INFO L268 CegarLoopResult]: For program point L306-2(lines 304 316) no Hoare annotation was computed. [2020-10-12 20:59:31,015 INFO L268 CegarLoopResult]: For program point L505-1(lines 505 509) no Hoare annotation was computed. [2020-10-12 20:59:31,015 INFO L268 CegarLoopResult]: For program point L406(lines 406 410) no Hoare annotation was computed. [2020-10-12 20:59:31,015 INFO L268 CegarLoopResult]: For program point L208(lines 208 212) no Hoare annotation was computed. [2020-10-12 20:59:31,015 INFO L268 CegarLoopResult]: For program point L175(lines 175 538) no Hoare annotation was computed. [2020-10-12 20:59:31,016 INFO L268 CegarLoopResult]: For program point L142(lines 142 549) no Hoare annotation was computed. [2020-10-12 20:59:31,016 INFO L268 CegarLoopResult]: For program point L208-2(lines 198 528) no Hoare annotation was computed. [2020-10-12 20:59:31,016 INFO L268 CegarLoopResult]: For program point L109(lines 109 560) no Hoare annotation was computed. [2020-10-12 20:59:31,016 INFO L264 CegarLoopResult]: At program point L176(lines 172 539) the Hoare annotation is: (let ((.cse0 (<= ssl3_connect_~blastFlag~0 4)) (.cse2 (let ((.cse4 (+ ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256))) (= .cse4 (* (div .cse4 4294967296) 4294967296)))) (.cse1 (<= ssl3_connect_~s__state~0 4528)) (.cse3 (<= 4432 ssl3_connect_~s__state~0))) (or (not (<= 12292 |ssl3_connect_#in~initial_state|)) (not (<= |ssl3_connect_#in~initial_state| 12292)) (and .cse0 .cse1 (<= (+ ssl3_connect_~s__s3__flags~0 2) 0) .cse2 .cse3) (and .cse0 .cse1 (= ssl3_connect_~s__hit~0 0) .cse2 .cse3) (and .cse1 .cse3 (<= ssl3_connect_~blastFlag~0 2)))) [2020-10-12 20:59:31,016 INFO L268 CegarLoopResult]: For program point L77(lines 77 81) no Hoare annotation was computed. [2020-10-12 20:59:31,016 INFO L268 CegarLoopResult]: For program point L77-2(lines 74 82) no Hoare annotation was computed. [2020-10-12 20:59:31,016 INFO L268 CegarLoopResult]: For program point L244(lines 244 249) no Hoare annotation was computed. [2020-10-12 20:59:31,016 INFO L268 CegarLoopResult]: For program point L178(lines 178 537) no Hoare annotation was computed. [2020-10-12 20:59:31,017 INFO L268 CegarLoopResult]: For program point L145(lines 145 548) no Hoare annotation was computed. [2020-10-12 20:59:31,017 INFO L268 CegarLoopResult]: For program point L112(lines 112 559) no Hoare annotation was computed. [2020-10-12 20:59:31,017 INFO L268 CegarLoopResult]: For program point L476(lines 476 480) no Hoare annotation was computed. [2020-10-12 20:59:31,017 INFO L268 CegarLoopResult]: For program point L476-2(lines 476 480) no Hoare annotation was computed. [2020-10-12 20:59:31,017 INFO L264 CegarLoopResult]: At program point L146(lines 142 549) the Hoare annotation is: (let ((.cse2 (<= ssl3_connect_~blastFlag~0 4)) (.cse3 (let ((.cse4 (+ ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256))) (= .cse4 (* (div .cse4 4294967296) 4294967296)))) (.cse0 (<= 4432 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4464))) (or (not (<= 12292 |ssl3_connect_#in~initial_state|)) (not (<= |ssl3_connect_#in~initial_state| 12292)) (and .cse0 (<= ssl3_connect_~blastFlag~0 2) .cse1) (and .cse2 (= ssl3_connect_~s__hit~0 0) .cse3 .cse0 .cse1) (and .cse2 (<= (+ ssl3_connect_~s__s3__flags~0 2) 0) .cse3 .cse0 .cse1))) [2020-10-12 20:59:31,017 INFO L268 CegarLoopResult]: For program point L378(lines 378 382) no Hoare annotation was computed. [2020-10-12 20:59:31,017 INFO L268 CegarLoopResult]: For program point L345(lines 345 349) no Hoare annotation was computed. [2020-10-12 20:59:31,017 INFO L268 CegarLoopResult]: For program point L279(lines 279 287) no Hoare annotation was computed. [2020-10-12 20:59:31,018 INFO L264 CegarLoopResult]: At program point L346(lines 60 608) the Hoare annotation is: (or (not (<= 12292 |ssl3_connect_#in~initial_state|)) (not (<= |ssl3_connect_#in~initial_state| 12292))) [2020-10-12 20:59:31,018 INFO L268 CegarLoopResult]: For program point L181(lines 181 536) no Hoare annotation was computed. [2020-10-12 20:59:31,018 INFO L268 CegarLoopResult]: For program point L148(lines 148 547) no Hoare annotation was computed. [2020-10-12 20:59:31,018 INFO L268 CegarLoopResult]: For program point L115(lines 115 558) no Hoare annotation was computed. [2020-10-12 20:59:31,018 INFO L268 CegarLoopResult]: For program point L578(lines 578 584) no Hoare annotation was computed. [2020-10-12 20:59:31,018 INFO L268 CegarLoopResult]: For program point L512(lines 512 516) no Hoare annotation was computed. [2020-10-12 20:59:31,018 INFO L268 CegarLoopResult]: For program point L512-2(lines 512 516) no Hoare annotation was computed. [2020-10-12 20:59:31,018 INFO L264 CegarLoopResult]: At program point L182(lines 178 537) the Hoare annotation is: (let ((.cse0 (let ((.cse2 (+ ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256))) (= .cse2 (* (div .cse2 4294967296) 4294967296)))) (.cse1 (<= 4432 ssl3_connect_~s__state~0))) (or (not (<= 12292 |ssl3_connect_#in~initial_state|)) (not (<= |ssl3_connect_#in~initial_state| 12292)) (and (= ssl3_connect_~s__hit~0 0) .cse0 .cse1) (and (<= ssl3_connect_~blastFlag~0 4) (<= (+ ssl3_connect_~s__s3__flags~0 2) 0) .cse0 .cse1) (and .cse1 (<= ssl3_connect_~blastFlag~0 2)))) [2020-10-12 20:59:31,019 INFO L264 CegarLoopResult]: At program point L116(lines 112 559) the Hoare annotation is: (let ((.cse1 (let ((.cse4 (+ ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256))) (= .cse4 (* (div .cse4 4294967296) 4294967296)))) (.cse3 (<= ssl3_connect_~blastFlag~0 3)) (.cse0 (<= ssl3_connect_~s__state~0 4416)) (.cse2 (<= 4368 ssl3_connect_~s__state~0))) (or (not (<= 12292 |ssl3_connect_#in~initial_state|)) (not (<= |ssl3_connect_#in~initial_state| 12292)) (and (= ssl3_connect_~s__hit~0 0) .cse0 .cse1 .cse2 .cse3) (and .cse0 (<= (+ ssl3_connect_~s__s3__flags~0 2) 0) .cse1 .cse2 .cse3) (and .cse0 .cse2 (<= ssl3_connect_~blastFlag~0 2)))) [2020-10-12 20:59:31,019 INFO L268 CegarLoopResult]: For program point L447(lines 447 451) no Hoare annotation was computed. [2020-10-12 20:59:31,019 INFO L268 CegarLoopResult]: For program point L282(lines 282 286) no Hoare annotation was computed. [2020-10-12 20:59:31,019 INFO L268 CegarLoopResult]: For program point L282-2(lines 198 528) no Hoare annotation was computed. [2020-10-12 20:59:31,019 INFO L268 CegarLoopResult]: For program point L84(lines 84 92) no Hoare annotation was computed. [2020-10-12 20:59:31,019 INFO L271 CegarLoopResult]: At program point ssl3_connectENTRY(lines 7 609) the Hoare annotation is: true [2020-10-12 20:59:31,019 INFO L268 CegarLoopResult]: For program point L184(lines 184 535) no Hoare annotation was computed. [2020-10-12 20:59:31,020 INFO L268 CegarLoopResult]: For program point L151(lines 151 546) no Hoare annotation was computed. [2020-10-12 20:59:31,020 INFO L268 CegarLoopResult]: For program point L118(lines 118 557) no Hoare annotation was computed. [2020-10-12 20:59:31,020 INFO L268 CegarLoopResult]: For program point L85(lines 85 89) no Hoare annotation was computed. [2020-10-12 20:59:31,020 INFO L268 CegarLoopResult]: For program point L350(lines 350 354) no Hoare annotation was computed. [2020-10-12 20:59:31,020 INFO L268 CegarLoopResult]: For program point L484-1(lines 484 496) no Hoare annotation was computed. [2020-10-12 20:59:31,020 INFO L268 CegarLoopResult]: For program point L418(lines 418 422) no Hoare annotation was computed. [2020-10-12 20:59:31,020 INFO L268 CegarLoopResult]: For program point L220(lines 220 237) no Hoare annotation was computed. [2020-10-12 20:59:31,020 INFO L268 CegarLoopResult]: For program point L187(lines 187 534) no Hoare annotation was computed. [2020-10-12 20:59:31,020 INFO L268 CegarLoopResult]: For program point L154(lines 154 545) no Hoare annotation was computed. [2020-10-12 20:59:31,020 INFO L268 CegarLoopResult]: For program point L220-2(lines 198 528) no Hoare annotation was computed. [2020-10-12 20:59:31,021 INFO L268 CegarLoopResult]: For program point L121(lines 121 556) no Hoare annotation was computed. [2020-10-12 20:59:31,021 INFO L264 CegarLoopResult]: At program point L188(lines 184 535) the Hoare annotation is: (let ((.cse0 (let ((.cse2 (+ ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256))) (= .cse2 (* (div .cse2 4294967296) 4294967296)))) (.cse1 (<= 4432 ssl3_connect_~s__state~0))) (or (not (<= 12292 |ssl3_connect_#in~initial_state|)) (not (<= |ssl3_connect_#in~initial_state| 12292)) (and (= ssl3_connect_~s__state~0 4560) (= ssl3_connect_~s__hit~0 0) (= ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse0) (and (<= (+ ssl3_connect_~s__s3__flags~0 2) 0) .cse0 (<= ssl3_connect_~blastFlag~0 3) .cse1) (and .cse1 (<= ssl3_connect_~blastFlag~0 2)))) [2020-10-12 20:59:31,021 INFO L264 CegarLoopResult]: At program point L122(lines 118 557) the Hoare annotation is: (let ((.cse1 (let ((.cse4 (+ ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256))) (= .cse4 (* (div .cse4 4294967296) 4294967296)))) (.cse3 (<= ssl3_connect_~blastFlag~0 3)) (.cse0 (<= ssl3_connect_~s__state~0 4416)) (.cse2 (<= 4368 ssl3_connect_~s__state~0))) (or (not (<= 12292 |ssl3_connect_#in~initial_state|)) (not (<= |ssl3_connect_#in~initial_state| 12292)) (and (= ssl3_connect_~s__hit~0 0) .cse0 .cse1 .cse2 .cse3) (and .cse0 (<= (+ ssl3_connect_~s__s3__flags~0 2) 0) .cse1 .cse2 .cse3) (and .cse0 .cse2 (<= ssl3_connect_~blastFlag~0 2)))) [2020-10-12 20:59:31,021 INFO L268 CegarLoopResult]: For program point L519(lines 519 523) no Hoare annotation was computed. [2020-10-12 20:59:31,021 INFO L268 CegarLoopResult]: For program point L222(lines 222 227) no Hoare annotation was computed. [2020-10-12 20:59:31,021 INFO L268 CegarLoopResult]: For program point L487(lines 487 492) no Hoare annotation was computed. [2020-10-12 20:59:31,021 INFO L268 CegarLoopResult]: For program point L454(lines 454 465) no Hoare annotation was computed. [2020-10-12 20:59:31,022 INFO L268 CegarLoopResult]: For program point L454-1(lines 454 465) no Hoare annotation was computed. [2020-10-12 20:59:31,022 INFO L268 CegarLoopResult]: For program point L190(lines 190 533) no Hoare annotation was computed. [2020-10-12 20:59:31,022 INFO L268 CegarLoopResult]: For program point L157(lines 157 544) no Hoare annotation was computed. [2020-10-12 20:59:31,022 INFO L268 CegarLoopResult]: For program point L124(lines 124 555) no Hoare annotation was computed. [2020-10-12 20:59:31,022 INFO L268 CegarLoopResult]: For program point L389(lines 389 393) no Hoare annotation was computed. [2020-10-12 20:59:31,022 INFO L268 CegarLoopResult]: For program point L323(lines 323 327) no Hoare annotation was computed. [2020-10-12 20:59:31,022 INFO L268 CegarLoopResult]: For program point L323-2(lines 198 528) no Hoare annotation was computed. [2020-10-12 20:59:31,022 INFO L264 CegarLoopResult]: At program point L191(lines 190 533) the Hoare annotation is: (let ((.cse2 (<= ssl3_connect_~blastFlag~0 2)) (.cse0 (<= ssl3_connect_~s__state~0 4352)) (.cse3 (= ssl3_connect_~s__hit~0 0)) (.cse1 (<= 4352 ssl3_connect_~s__state~0)) (.cse4 (= ssl3_connect_~s__s3__tmp__next_state___0~0 4560))) (or (not (<= 12292 |ssl3_connect_#in~initial_state|)) (not (<= |ssl3_connect_#in~initial_state| 12292)) (and .cse0 (<= (+ ssl3_connect_~s__s3__flags~0 2) 0) .cse1 .cse2) (and .cse0 .cse3 .cse1 .cse4 .cse2) (and .cse0 .cse3 .cse1 .cse4 (let ((.cse5 (+ ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256))) (= .cse5 (* (div .cse5 4294967296) 4294967296)))))) [2020-10-12 20:59:31,023 INFO L264 CegarLoopResult]: At program point L158(lines 148 547) the Hoare annotation is: (let ((.cse0 (<= ssl3_connect_~blastFlag~0 4)) (.cse1 (<= ssl3_connect_~s__state~0 4480)) (.cse2 (let ((.cse4 (+ ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256))) (= .cse4 (* (div .cse4 4294967296) 4294967296)))) (.cse3 (<= 4432 ssl3_connect_~s__state~0))) (or (not (<= 12292 |ssl3_connect_#in~initial_state|)) (not (<= |ssl3_connect_#in~initial_state| 12292)) (and .cse0 (= ssl3_connect_~s__hit~0 0) .cse1 .cse2 .cse3) (and .cse1 .cse3 (<= ssl3_connect_~blastFlag~0 2)) (and .cse0 (<= (+ ssl3_connect_~s__s3__flags~0 2) 0) .cse1 .cse2 .cse3))) [2020-10-12 20:59:31,023 INFO L268 CegarLoopResult]: For program point ssl3_connectEXIT(lines 7 609) no Hoare annotation was computed. [2020-10-12 20:59:31,023 INFO L268 CegarLoopResult]: For program point L456(lines 456 462) no Hoare annotation was computed. [2020-10-12 20:59:31,023 INFO L268 CegarLoopResult]: For program point L258(lines 258 262) no Hoare annotation was computed. [2020-10-12 20:59:31,023 INFO L268 CegarLoopResult]: For program point L258-2(lines 198 528) no Hoare annotation was computed. [2020-10-12 20:59:31,023 INFO L268 CegarLoopResult]: For program point ssl3_connectFINAL(lines 7 609) no Hoare annotation was computed. [2020-10-12 20:59:31,023 INFO L268 CegarLoopResult]: For program point L193(lines 193 532) no Hoare annotation was computed. [2020-10-12 20:59:31,023 INFO L268 CegarLoopResult]: For program point L160(lines 160 543) no Hoare annotation was computed. [2020-10-12 20:59:31,023 INFO L268 CegarLoopResult]: For program point L127(lines 127 554) no Hoare annotation was computed. [2020-10-12 20:59:31,024 INFO L268 CegarLoopResult]: For program point L94-1(lines 60 608) no Hoare annotation was computed. [2020-10-12 20:59:31,024 INFO L268 CegarLoopResult]: For program point L293(lines 293 297) no Hoare annotation was computed. [2020-10-12 20:59:31,024 INFO L268 CegarLoopResult]: For program point L293-2(lines 293 297) no Hoare annotation was computed. [2020-10-12 20:59:31,024 INFO L271 CegarLoopResult]: At program point L194(lines 193 532) the Hoare annotation is: true [2020-10-12 20:59:31,024 INFO L264 CegarLoopResult]: At program point L128(lines 124 555) the Hoare annotation is: (let ((.cse2 (let ((.cse7 (+ ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256))) (= .cse7 (* (div .cse7 4294967296) 4294967296)))) (.cse4 (<= ssl3_connect_~blastFlag~0 3)) (.cse0 (= ssl3_connect_~s__hit~0 0)) (.cse1 (<= ssl3_connect_~s__state~0 4416)) (.cse5 (<= (+ ssl3_connect_~s__s3__flags~0 2) 0)) (.cse3 (<= 4368 ssl3_connect_~s__state~0)) (.cse6 (<= ssl3_connect_~blastFlag~0 2))) (or (not (<= 12292 |ssl3_connect_#in~initial_state|)) (not (<= |ssl3_connect_#in~initial_state| 12292)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse3 .cse6) (and .cse1 .cse5 .cse3 .cse6))) [2020-10-12 20:59:31,024 INFO L268 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-10-12 20:59:31,024 INFO L268 CegarLoopResult]: For program point L426(lines 426 430) no Hoare annotation was computed. [2020-10-12 20:59:31,024 INFO L268 CegarLoopResult]: For program point L426-2(lines 198 528) no Hoare annotation was computed. [2020-10-12 20:59:31,025 INFO L268 CegarLoopResult]: For program point L228(lines 228 233) no Hoare annotation was computed. [2020-10-12 20:59:31,025 INFO L268 CegarLoopResult]: For program point L361(lines 361 365) no Hoare annotation was computed. [2020-10-12 20:59:31,025 INFO L268 CegarLoopResult]: For program point L163(lines 163 542) no Hoare annotation was computed. [2020-10-12 20:59:31,025 INFO L268 CegarLoopResult]: For program point L130(lines 130 553) no Hoare annotation was computed. [2020-10-12 20:59:31,025 INFO L268 CegarLoopResult]: For program point L97(lines 97 564) no Hoare annotation was computed. [2020-10-12 20:59:31,025 INFO L268 CegarLoopResult]: For program point ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION(line 606) no Hoare annotation was computed. [2020-10-12 20:59:31,025 INFO L268 CegarLoopResult]: For program point L395(lines 395 400) no Hoare annotation was computed. [2020-10-12 20:59:31,025 INFO L268 CegarLoopResult]: For program point L395-2(lines 395 400) no Hoare annotation was computed. [2020-10-12 20:59:31,025 INFO L271 CegarLoopResult]: At program point L197(lines 196 531) the Hoare annotation is: true [2020-10-12 20:59:31,026 INFO L264 CegarLoopResult]: At program point L164(lines 160 543) the Hoare annotation is: (let ((.cse2 (<= ssl3_connect_~blastFlag~0 4)) (.cse0 (<= ssl3_connect_~s__state~0 4512)) (.cse3 (let ((.cse4 (+ ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256))) (= .cse4 (* (div .cse4 4294967296) 4294967296)))) (.cse1 (<= 4432 ssl3_connect_~s__state~0))) (or (not (<= 12292 |ssl3_connect_#in~initial_state|)) (not (<= |ssl3_connect_#in~initial_state| 12292)) (and .cse0 .cse1 (<= ssl3_connect_~blastFlag~0 2)) (and .cse2 .cse0 (<= (+ ssl3_connect_~s__s3__flags~0 2) 0) .cse3 .cse1) (and .cse2 (= ssl3_connect_~s__hit~0 0) .cse0 .cse3 .cse1))) [2020-10-12 20:59:31,026 INFO L264 CegarLoopResult]: At program point L98(lines 97 564) the Hoare annotation is: (or (not (<= 12292 |ssl3_connect_#in~initial_state|)) (not (<= |ssl3_connect_#in~initial_state| 12292)) (and (<= 12292 ssl3_connect_~s__state~0) (<= ssl3_connect_~s__state~0 12292) (<= ssl3_connect_~blastFlag~0 2))) [2020-10-12 20:59:31,026 INFO L264 CegarLoopResult]: At program point L529(lines 94 595) the Hoare annotation is: (let ((.cse10 (<= ssl3_connect_~s__state~0 4352)) (.cse11 (<= 4352 ssl3_connect_~s__state~0)) (.cse9 (= ssl3_connect_~s__state~0 4560)) (.cse12 (= ssl3_connect_~s__s3__tmp__next_state___0~0 4560)) (.cse6 (<= ssl3_connect_~blastFlag~0 4)) (.cse7 (<= ssl3_connect_~s__state~0 4528)) (.cse8 (<= 4432 ssl3_connect_~s__state~0)) (.cse13 (<= (+ ssl3_connect_~s__s3__flags~0 2) 0)) (.cse5 (<= ssl3_connect_~blastFlag~0 3)) (.cse14 (<= ssl3_connect_~s__state~0 3)) (.cse4 (let ((.cse15 (+ ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256))) (= .cse15 (* (div .cse15 4294967296) 4294967296)))) (.cse2 (= ssl3_connect_~s__hit~0 0)) (.cse3 (<= ssl3_connect_~s__state~0 4416)) (.cse0 (<= 4368 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~blastFlag~0 2))) (or (and (<= ssl3_connect_~s__state~0 4368) .cse0 .cse1) (not (<= |ssl3_connect_#in~initial_state| 12292)) (and .cse2 .cse3 .cse4 .cse0 .cse5) (and .cse6 .cse7 .cse2 .cse4 .cse8) (and .cse9 .cse1) (and .cse10 .cse2 .cse11 .cse12 .cse1) (and .cse13 .cse1) (and .cse9 .cse13 .cse4 .cse5) (and (= ssl3_connect_~s__state~0 4384) .cse1) (and .cse14 .cse1) (and .cse10 .cse2 .cse11 .cse12 .cse4) (and .cse7 .cse8 .cse1) (not (<= 12292 |ssl3_connect_#in~initial_state|)) (and .cse9 .cse2 .cse12 .cse4) (and .cse6 .cse7 .cse13 .cse4 .cse8) (and .cse3 .cse13 .cse4 .cse0 .cse5) (and .cse14 .cse4) (and .cse2 .cse3 .cse0 .cse1))) [2020-10-12 20:59:31,026 INFO L268 CegarLoopResult]: For program point L166(lines 166 541) no Hoare annotation was computed. [2020-10-12 20:59:31,026 INFO L268 CegarLoopResult]: For program point L133(lines 133 552) no Hoare annotation was computed. [2020-10-12 20:59:31,026 INFO L268 CegarLoopResult]: For program point L100(lines 100 563) no Hoare annotation was computed. [2020-10-12 20:59:31,027 INFO L271 CegarLoopResult]: At program point L596(lines 93 597) the Hoare annotation is: true [2020-10-12 20:59:31,027 INFO L264 CegarLoopResult]: At program point L134(lines 130 553) the Hoare annotation is: (let ((.cse0 (<= (+ ssl3_connect_~s__s3__flags~0 2) 0)) (.cse3 (<= ssl3_connect_~blastFlag~0 2)) (.cse5 (= ssl3_connect_~s__hit~0 0)) (.cse4 (let ((.cse6 (+ ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256))) (= .cse6 (* (div .cse6 4294967296) 4294967296)))) (.cse1 (<= 4368 ssl3_connect_~s__state~0)) (.cse2 (<= ssl3_connect_~s__state~0 4432))) (or (not (<= 12292 |ssl3_connect_#in~initial_state|)) (not (<= |ssl3_connect_#in~initial_state| 12292)) (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 (<= ssl3_connect_~blastFlag~0 3) .cse2) (and .cse5 .cse1 .cse2 .cse3) (and (<= ssl3_connect_~blastFlag~0 4) .cse5 .cse4 .cse1 .cse2))) [2020-10-12 20:59:31,027 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-12 20:59:31,027 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-12 20:59:31,027 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-12 20:59:31,027 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-12 20:59:31,027 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 610 620) the Hoare annotation is: true [2020-10-12 20:59:31,028 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 610 620) no Hoare annotation was computed. [2020-10-12 20:59:31,028 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 610 620) no Hoare annotation was computed. [2020-10-12 20:59:31,028 INFO L264 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (and (<= 12292 main_~s~0) (<= main_~s~0 12292)) [2020-10-12 20:59:31,028 INFO L268 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-10-12 20:59:31,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 08:59:31 BoogieIcfgContainer [2020-10-12 20:59:31,058 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-12 20:59:31,059 INFO L168 Benchmark]: Toolchain (without parser) took 24027.18 ms. Allocated memory was 141.0 MB in the beginning and 895.0 MB in the end (delta: 753.9 MB). Free memory was 103.6 MB in the beginning and 536.3 MB in the end (delta: -432.7 MB). Peak memory consumption was 680.1 MB. Max. memory is 7.1 GB. [2020-10-12 20:59:31,060 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 141.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-12 20:59:31,061 INFO L168 Benchmark]: CACSL2BoogieTranslator took 465.86 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 103.4 MB in the beginning and 179.7 MB in the end (delta: -76.3 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. [2020-10-12 20:59:31,061 INFO L168 Benchmark]: Boogie Preprocessor took 51.28 ms. Allocated memory is still 203.9 MB. Free memory was 179.7 MB in the beginning and 177.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-12 20:59:31,062 INFO L168 Benchmark]: RCFGBuilder took 690.91 ms. Allocated memory is still 203.9 MB. Free memory was 177.7 MB in the beginning and 135.3 MB in the end (delta: 42.4 MB). Peak memory consumption was 42.4 MB. Max. memory is 7.1 GB. [2020-10-12 20:59:31,062 INFO L168 Benchmark]: TraceAbstraction took 22813.73 ms. Allocated memory was 203.9 MB in the beginning and 895.0 MB in the end (delta: 691.0 MB). Free memory was 134.6 MB in the beginning and 536.3 MB in the end (delta: -401.7 MB). Peak memory consumption was 648.1 MB. Max. memory is 7.1 GB. [2020-10-12 20:59:31,064 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 141.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 465.86 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 103.4 MB in the beginning and 179.7 MB in the end (delta: -76.3 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 51.28 ms. Allocated memory is still 203.9 MB. Free memory was 179.7 MB in the beginning and 177.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 690.91 ms. Allocated memory is still 203.9 MB. Free memory was 177.7 MB in the beginning and 135.3 MB in the end (delta: 42.4 MB). Peak memory consumption was 42.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 22813.73 ms. Allocated memory was 203.9 MB in the beginning and 895.0 MB in the end (delta: 691.0 MB). Free memory was 134.6 MB in the beginning and 536.3 MB in the end (delta: -401.7 MB). Peak memory consumption was 648.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 606]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: (((!(12292 <= \old(initial_state)) || !(\old(initial_state) <= 12292)) || ((((blastFlag <= 4 && s__hit == 0) && s__state <= 4448) && s__s3__tmp__new_cipher__algorithms + 256 == (s__s3__tmp__new_cipher__algorithms + 256) / 4294967296 * 4294967296) && 4432 <= s__state)) || ((((blastFlag <= 4 && s__state <= 4448) && s__s3__flags + 2 <= 0) && s__s3__tmp__new_cipher__algorithms + 256 == (s__s3__tmp__new_cipher__algorithms + 256) / 4294967296 * 4294967296) && 4432 <= s__state)) || ((s__state <= 4448 && 4432 <= s__state) && blastFlag <= 2) - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: (((!(12292 <= \old(initial_state)) || !(\old(initial_state) <= 12292)) || ((s__hit == 0 && s__s3__tmp__new_cipher__algorithms + 256 == (s__s3__tmp__new_cipher__algorithms + 256) / 4294967296 * 4294967296) && 4432 <= s__state)) || (((blastFlag <= 4 && s__s3__flags + 2 <= 0) && s__s3__tmp__new_cipher__algorithms + 256 == (s__s3__tmp__new_cipher__algorithms + 256) / 4294967296 * 4294967296) && 4432 <= s__state)) || (4432 <= s__state && blastFlag <= 2) - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: ((((!(12292 <= \old(initial_state)) || !(\old(initial_state) <= 12292)) || ((((s__hit == 0 && s__state <= 4416) && s__s3__tmp__new_cipher__algorithms + 256 == (s__s3__tmp__new_cipher__algorithms + 256) / 4294967296 * 4294967296) && 4368 <= s__state) && blastFlag <= 3)) || ((((s__state <= 4416 && s__s3__flags + 2 <= 0) && s__s3__tmp__new_cipher__algorithms + 256 == (s__s3__tmp__new_cipher__algorithms + 256) / 4294967296 * 4294967296) && 4368 <= s__state) && blastFlag <= 3)) || (((s__hit == 0 && s__state <= 4416) && 4368 <= s__state) && blastFlag <= 2)) || (((s__state <= 4416 && s__s3__flags + 2 <= 0) && 4368 <= s__state) && blastFlag <= 2) - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: (((!(12292 <= \old(initial_state)) || !(\old(initial_state) <= 12292)) || ((s__state <= 4512 && 4432 <= s__state) && blastFlag <= 2)) || ((((blastFlag <= 4 && s__state <= 4512) && s__s3__flags + 2 <= 0) && s__s3__tmp__new_cipher__algorithms + 256 == (s__s3__tmp__new_cipher__algorithms + 256) / 4294967296 * 4294967296) && 4432 <= s__state)) || ((((blastFlag <= 4 && s__hit == 0) && s__state <= 4512) && s__s3__tmp__new_cipher__algorithms + 256 == (s__s3__tmp__new_cipher__algorithms + 256) / 4294967296 * 4294967296) && 4432 <= s__state) - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: (!(\old(initial_state) <= 12292) || !(12292 <= \old(initial_state))) || blastFlag <= 2 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: (((!(12292 <= \old(initial_state)) || !(\old(initial_state) <= 12292)) || ((s__state <= 4512 && 4432 <= s__state) && blastFlag <= 2)) || ((((blastFlag <= 4 && s__state <= 4512) && s__s3__flags + 2 <= 0) && s__s3__tmp__new_cipher__algorithms + 256 == (s__s3__tmp__new_cipher__algorithms + 256) / 4294967296 * 4294967296) && 4432 <= s__state)) || ((((blastFlag <= 4 && s__hit == 0) && s__state <= 4512) && s__s3__tmp__new_cipher__algorithms + 256 == (s__s3__tmp__new_cipher__algorithms + 256) / 4294967296 * 4294967296) && 4432 <= s__state) - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: (!(12292 <= \old(initial_state)) || !(\old(initial_state) <= 12292)) || ((12292 <= s__state && s__state <= 12292) && blastFlag <= 2) - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: ((((((((((((((((((s__state <= 4368 && 4368 <= s__state) && blastFlag <= 2) || !(\old(initial_state) <= 12292)) || ((((s__hit == 0 && s__state <= 4416) && s__s3__tmp__new_cipher__algorithms + 256 == (s__s3__tmp__new_cipher__algorithms + 256) / 4294967296 * 4294967296) && 4368 <= s__state) && blastFlag <= 3)) || ((((blastFlag <= 4 && s__state <= 4528) && s__hit == 0) && s__s3__tmp__new_cipher__algorithms + 256 == (s__s3__tmp__new_cipher__algorithms + 256) / 4294967296 * 4294967296) && 4432 <= s__state)) || (s__state == 4560 && blastFlag <= 2)) || ((((s__state <= 4352 && s__hit == 0) && 4352 <= s__state) && s__s3__tmp__next_state___0 == 4560) && blastFlag <= 2)) || (s__s3__flags + 2 <= 0 && blastFlag <= 2)) || (((s__state == 4560 && s__s3__flags + 2 <= 0) && s__s3__tmp__new_cipher__algorithms + 256 == (s__s3__tmp__new_cipher__algorithms + 256) / 4294967296 * 4294967296) && blastFlag <= 3)) || (s__state == 4384 && blastFlag <= 2)) || (s__state <= 3 && blastFlag <= 2)) || ((((s__state <= 4352 && s__hit == 0) && 4352 <= s__state) && s__s3__tmp__next_state___0 == 4560) && s__s3__tmp__new_cipher__algorithms + 256 == (s__s3__tmp__new_cipher__algorithms + 256) / 4294967296 * 4294967296)) || ((s__state <= 4528 && 4432 <= s__state) && blastFlag <= 2)) || !(12292 <= \old(initial_state))) || (((s__state == 4560 && s__hit == 0) && s__s3__tmp__next_state___0 == 4560) && s__s3__tmp__new_cipher__algorithms + 256 == (s__s3__tmp__new_cipher__algorithms + 256) / 4294967296 * 4294967296)) || ((((blastFlag <= 4 && s__state <= 4528) && s__s3__flags + 2 <= 0) && s__s3__tmp__new_cipher__algorithms + 256 == (s__s3__tmp__new_cipher__algorithms + 256) / 4294967296 * 4294967296) && 4432 <= s__state)) || ((((s__state <= 4416 && s__s3__flags + 2 <= 0) && s__s3__tmp__new_cipher__algorithms + 256 == (s__s3__tmp__new_cipher__algorithms + 256) / 4294967296 * 4294967296) && 4368 <= s__state) && blastFlag <= 3)) || (s__state <= 3 && s__s3__tmp__new_cipher__algorithms + 256 == (s__s3__tmp__new_cipher__algorithms + 256) / 4294967296 * 4294967296)) || (((s__hit == 0 && s__state <= 4416) && 4368 <= s__state) && blastFlag <= 2) - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: ((((!(12292 <= \old(initial_state)) || !(\old(initial_state) <= 12292)) || (((s__s3__flags + 2 <= 0 && 4368 <= s__state) && s__state <= 4432) && blastFlag <= 2)) || ((((s__s3__flags + 2 <= 0 && s__s3__tmp__new_cipher__algorithms + 256 == (s__s3__tmp__new_cipher__algorithms + 256) / 4294967296 * 4294967296) && 4368 <= s__state) && blastFlag <= 3) && s__state <= 4432)) || (((s__hit == 0 && 4368 <= s__state) && s__state <= 4432) && blastFlag <= 2)) || ((((blastFlag <= 4 && s__hit == 0) && s__s3__tmp__new_cipher__algorithms + 256 == (s__s3__tmp__new_cipher__algorithms + 256) / 4294967296 * 4294967296) && 4368 <= s__state) && s__state <= 4432) - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: (((!(12292 <= \old(initial_state)) || !(\old(initial_state) <= 12292)) || (((s__state == 4560 && s__hit == 0) && s__s3__tmp__next_state___0 == 4560) && s__s3__tmp__new_cipher__algorithms + 256 == (s__s3__tmp__new_cipher__algorithms + 256) / 4294967296 * 4294967296)) || (((s__s3__flags + 2 <= 0 && s__s3__tmp__new_cipher__algorithms + 256 == (s__s3__tmp__new_cipher__algorithms + 256) / 4294967296 * 4294967296) && blastFlag <= 3) && 4432 <= s__state)) || (4432 <= s__state && blastFlag <= 2) - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: !(12292 <= \old(initial_state)) || !(\old(initial_state) <= 12292) - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: (((!(12292 <= \old(initial_state)) || !(\old(initial_state) <= 12292)) || ((((s__hit == 0 && s__state <= 4416) && s__s3__tmp__new_cipher__algorithms + 256 == (s__s3__tmp__new_cipher__algorithms + 256) / 4294967296 * 4294967296) && 4368 <= s__state) && blastFlag <= 3)) || ((((s__state <= 4416 && s__s3__flags + 2 <= 0) && s__s3__tmp__new_cipher__algorithms + 256 == (s__s3__tmp__new_cipher__algorithms + 256) / 4294967296 * 4294967296) && 4368 <= s__state) && blastFlag <= 3)) || ((s__state <= 4416 && 4368 <= s__state) && blastFlag <= 2) - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: (((!(12292 <= \old(initial_state)) || !(\old(initial_state) <= 12292)) || ((((blastFlag <= 4 && s__state <= 4528) && s__s3__flags + 2 <= 0) && s__s3__tmp__new_cipher__algorithms + 256 == (s__s3__tmp__new_cipher__algorithms + 256) / 4294967296 * 4294967296) && 4432 <= s__state)) || ((((blastFlag <= 4 && s__state <= 4528) && s__hit == 0) && s__s3__tmp__new_cipher__algorithms + 256 == (s__s3__tmp__new_cipher__algorithms + 256) / 4294967296 * 4294967296) && 4432 <= s__state)) || ((s__state <= 4528 && 4432 <= s__state) && blastFlag <= 2) - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: (((!(12292 <= \old(initial_state)) || !(\old(initial_state) <= 12292)) || ((((s__hit == 0 && s__state <= 4416) && s__s3__tmp__new_cipher__algorithms + 256 == (s__s3__tmp__new_cipher__algorithms + 256) / 4294967296 * 4294967296) && 4368 <= s__state) && blastFlag <= 3)) || ((((s__state <= 4416 && s__s3__flags + 2 <= 0) && s__s3__tmp__new_cipher__algorithms + 256 == (s__s3__tmp__new_cipher__algorithms + 256) / 4294967296 * 4294967296) && 4368 <= s__state) && blastFlag <= 3)) || ((s__state <= 4416 && 4368 <= s__state) && blastFlag <= 2) - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: (((!(12292 <= \old(initial_state)) || !(\old(initial_state) <= 12292)) || ((((blastFlag <= 4 && s__hit == 0) && s__state <= 4480) && s__s3__tmp__new_cipher__algorithms + 256 == (s__s3__tmp__new_cipher__algorithms + 256) / 4294967296 * 4294967296) && 4432 <= s__state)) || ((s__state <= 4480 && 4432 <= s__state) && blastFlag <= 2)) || ((((blastFlag <= 4 && s__s3__flags + 2 <= 0) && s__state <= 4480) && s__s3__tmp__new_cipher__algorithms + 256 == (s__s3__tmp__new_cipher__algorithms + 256) / 4294967296 * 4294967296) && 4432 <= s__state) - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: (((!(12292 <= \old(initial_state)) || !(\old(initial_state) <= 12292)) || (((s__state <= 4352 && s__s3__flags + 2 <= 0) && 4352 <= s__state) && blastFlag <= 2)) || ((((s__state <= 4352 && s__hit == 0) && 4352 <= s__state) && s__s3__tmp__next_state___0 == 4560) && blastFlag <= 2)) || ((((s__state <= 4352 && s__hit == 0) && 4352 <= s__state) && s__s3__tmp__next_state___0 == 4560) && s__s3__tmp__new_cipher__algorithms + 256 == (s__s3__tmp__new_cipher__algorithms + 256) / 4294967296 * 4294967296) - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: (((!(12292 <= \old(initial_state)) || !(\old(initial_state) <= 12292)) || ((4432 <= s__state && blastFlag <= 2) && s__state <= 4464)) || ((((blastFlag <= 4 && s__hit == 0) && s__s3__tmp__new_cipher__algorithms + 256 == (s__s3__tmp__new_cipher__algorithms + 256) / 4294967296 * 4294967296) && 4432 <= s__state) && s__state <= 4464)) || ((((blastFlag <= 4 && s__s3__flags + 2 <= 0) && s__s3__tmp__new_cipher__algorithms + 256 == (s__s3__tmp__new_cipher__algorithms + 256) / 4294967296 * 4294967296) && 4432 <= s__state) && s__state <= 4464) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 132 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 19.6s, OverallIterations: 23, TraceHistogramMax: 18, AutomataDifference: 5.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4221 SDtfs, 2157 SDslu, 2583 SDs, 0 SdLazy, 2055 SolverSat, 549 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 122 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4598occurred in iteration=21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.7s AutomataMinimizationTime, 23 MinimizatonAttempts, 3001 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 241 NumberOfFragments, 1233 HoareAnnotationTreeSize, 26 FomulaSimplifications, 62845 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 26 FomulaSimplificationsInter, 83722 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 10.0s InterpolantComputationTime, 4785 NumberOfCodeBlocks, 4785 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 4762 ConstructedInterpolants, 0 QuantifiedInterpolants, 2204442 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 23 InterpolantComputations, 22 PerfectInterpolantSequences, 16155/16167 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 correct! Received shutdown request...