/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --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-3.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 10:07:46,836 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 10:07:46,839 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 10:07:46,866 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 10:07:46,866 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 10:07:46,868 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 10:07:46,869 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 10:07:46,871 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 10:07:46,872 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 10:07:46,873 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 10:07:46,874 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 10:07:46,875 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 10:07:46,876 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 10:07:46,877 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 10:07:46,878 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 10:07:46,879 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 10:07:46,880 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 10:07:46,881 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 10:07:46,883 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 10:07:46,885 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 10:07:46,887 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 10:07:46,888 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 10:07:46,889 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 10:07:46,890 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 10:07:46,893 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 10:07:46,893 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 10:07:46,893 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 10:07:46,894 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 10:07:46,895 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 10:07:46,896 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 10:07:46,896 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 10:07:46,897 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 10:07:46,897 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 10:07:46,898 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 10:07:46,899 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 10:07:46,900 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 10:07:46,900 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 10:07:46,900 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 10:07:46,901 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 10:07:46,901 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 10:07:46,902 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 10:07:46,903 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 [2020-10-14 10:07:46,932 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 10:07:46,932 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 10:07:46,934 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 10:07:46,934 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 10:07:46,934 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 10:07:46,934 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 10:07:46,935 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 10:07:46,935 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 10:07:46,935 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 10:07:46,935 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 10:07:46,935 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 10:07:46,936 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 10:07:46,936 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 10:07:46,936 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 10:07:46,936 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 10:07:46,936 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 10:07:46,936 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 10:07:46,937 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 10:07:46,937 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 10:07:46,937 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 10:07:46,937 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 10:07:46,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 10:07:46,938 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 10:07:46,938 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 10:07:46,938 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 10:07:46,938 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 10:07:46,938 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 10:07:46,939 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 10:07:46,939 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 10:07:46,939 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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 10:07:47,268 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 10:07:47,281 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 10:07:47,284 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 10:07:47,286 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 10:07:47,286 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 10:07:47,287 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh-simplified/s3_clnt_3.cil-3.c [2020-10-14 10:07:47,352 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e83d01a3c/163b0e5257134f1ab68430eeb6f2cede/FLAGc4af36b06 [2020-10-14 10:07:47,872 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 10:07:47,873 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ssh-simplified/s3_clnt_3.cil-3.c [2020-10-14 10:07:47,883 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e83d01a3c/163b0e5257134f1ab68430eeb6f2cede/FLAGc4af36b06 [2020-10-14 10:07:48,233 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e83d01a3c/163b0e5257134f1ab68430eeb6f2cede [2020-10-14 10:07:48,242 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 10:07:48,243 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 10:07:48,246 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 10:07:48,247 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 10:07:48,251 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 10:07:48,252 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:07:48" (1/1) ... [2020-10-14 10:07:48,254 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4860980a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:07:48, skipping insertion in model container [2020-10-14 10:07:48,255 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:07:48" (1/1) ... [2020-10-14 10:07:48,265 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 10:07:48,307 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 10:07:48,570 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 10:07:48,575 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 10:07:48,738 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 10:07:48,760 INFO L208 MainTranslator]: Completed translation [2020-10-14 10:07:48,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:07:48 WrapperNode [2020-10-14 10:07:48,761 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 10:07:48,762 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 10:07:48,765 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 10:07:48,765 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 10:07:48,779 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:07:48" (1/1) ... [2020-10-14 10:07:48,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:07:48" (1/1) ... [2020-10-14 10:07:48,789 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:07:48" (1/1) ... [2020-10-14 10:07:48,790 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:07:48" (1/1) ... [2020-10-14 10:07:48,804 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:07:48" (1/1) ... [2020-10-14 10:07:48,816 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:07:48" (1/1) ... [2020-10-14 10:07:48,824 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:07:48" (1/1) ... [2020-10-14 10:07:48,834 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 10:07:48,835 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 10:07:48,835 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 10:07:48,835 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 10:07:48,836 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:07:48" (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 [2020-10-14 10:07:48,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 10:07:48,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 10:07:48,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2020-10-14 10:07:48,904 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 10:07:48,904 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 10:07:48,904 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-14 10:07:48,904 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 10:07:48,905 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-14 10:07:48,906 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2020-10-14 10:07:48,906 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 10:07:48,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 10:07:48,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 10:07:49,104 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-14 10:07:49,586 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2020-10-14 10:07:49,586 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2020-10-14 10:07:49,605 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 10:07:49,606 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 10:07:49,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:07:49 BoogieIcfgContainer [2020-10-14 10:07:49,611 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 10:07:49,613 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 10:07:49,613 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 10:07:49,616 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 10:07:49,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 10:07:48" (1/3) ... [2020-10-14 10:07:49,617 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50b172d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:07:49, skipping insertion in model container [2020-10-14 10:07:49,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:07:48" (2/3) ... [2020-10-14 10:07:49,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50b172d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:07:49, skipping insertion in model container [2020-10-14 10:07:49,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:07:49" (3/3) ... [2020-10-14 10:07:49,620 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_clnt_3.cil-3.c [2020-10-14 10:07:49,632 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 10:07:49,640 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 10:07:49,656 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 10:07:49,683 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 10:07:49,684 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 10:07:49,684 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 10:07:49,684 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 10:07:49,684 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 10:07:49,685 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 10:07:49,685 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 10:07:49,685 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 10:07:49,709 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states. [2020-10-14 10:07:49,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-14 10:07:49,718 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:07:49,719 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] [2020-10-14 10:07:49,719 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:07:49,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:07:49,725 INFO L82 PathProgramCache]: Analyzing trace with hash 173387410, now seen corresponding path program 1 times [2020-10-14 10:07:49,732 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:07:49,733 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [20468280] [2020-10-14 10:07:49,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:07:49,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:07:49,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:50,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:50,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:50,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:07:50,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-14 10:07:50,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 10:07:50,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 530 [2020-10-14 10:07:50,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:07:50,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:07:50,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:07:50,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-14 10:07:50,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-14 10:07:50,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 10:07:50,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:07:50,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:07:50,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:50,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:07:50,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:07:50,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:07:50,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:07:50,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:07:50,471 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:07:50,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:07:50,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:07:50,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:07:50,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:07:50,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 10:07:50,481 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [20468280] [2020-10-14 10:07:50,483 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:07:50,483 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:07:50,484 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288478309] [2020-10-14 10:07:50,489 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:07:50,489 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:07:50,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:07:50,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:07:50,507 INFO L87 Difference]: Start difference. First operand 136 states. Second operand 3 states. [2020-10-14 10:07:50,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:07:50,612 INFO L93 Difference]: Finished difference Result 377 states and 634 transitions. [2020-10-14 10:07:50,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:07:50,614 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 29 [2020-10-14 10:07:50,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:07:50,629 INFO L225 Difference]: With dead ends: 377 [2020-10-14 10:07:50,629 INFO L226 Difference]: Without dead ends: 220 [2020-10-14 10:07:50,634 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 [2020-10-14 10:07:50,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2020-10-14 10:07:50,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 220. [2020-10-14 10:07:50,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-10-14 10:07:50,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 326 transitions. [2020-10-14 10:07:50,696 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 326 transitions. Word has length 29 [2020-10-14 10:07:50,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:07:50,696 INFO L479 AbstractCegarLoop]: Abstraction has 220 states and 326 transitions. [2020-10-14 10:07:50,697 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:07:50,697 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 326 transitions. [2020-10-14 10:07:50,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-10-14 10:07:50,700 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:07:50,700 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:07:50,700 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 10:07:50,701 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:07:50,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:07:50,701 INFO L82 PathProgramCache]: Analyzing trace with hash 1098416379, now seen corresponding path program 1 times [2020-10-14 10:07:50,701 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:07:50,702 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1754555136] [2020-10-14 10:07:50,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:07:50,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:07:50,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:50,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:50,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:51,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:51,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:51,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:07:51,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-14 10:07:51,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 10:07:51,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 748 [2020-10-14 10:07:51,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:07:51,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:07:51,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:07:51,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-14 10:07:51,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-14 10:07:51,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-14 10:07:51,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:07:51,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:07:51,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:51,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:07:51,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:07:51,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:07:51,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:07:51,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:07:51,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:07:51,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:07:51,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:07:51,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:07:51,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:07:51,535 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 10:07:51,542 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1754555136] [2020-10-14 10:07:51,543 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:07:51,544 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:07:51,544 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885636258] [2020-10-14 10:07:51,546 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:07:51,546 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:07:51,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:07:51,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:07:51,547 INFO L87 Difference]: Start difference. First operand 220 states and 326 transitions. Second operand 3 states. [2020-10-14 10:07:51,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:07:51,650 INFO L93 Difference]: Finished difference Result 428 states and 641 transitions. [2020-10-14 10:07:51,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:07:51,651 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2020-10-14 10:07:51,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:07:51,655 INFO L225 Difference]: With dead ends: 428 [2020-10-14 10:07:51,655 INFO L226 Difference]: Without dead ends: 323 [2020-10-14 10:07:51,657 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 [2020-10-14 10:07:51,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2020-10-14 10:07:51,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 323. [2020-10-14 10:07:51,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 323 states. [2020-10-14 10:07:51,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 479 transitions. [2020-10-14 10:07:51,683 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 479 transitions. Word has length 43 [2020-10-14 10:07:51,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:07:51,683 INFO L479 AbstractCegarLoop]: Abstraction has 323 states and 479 transitions. [2020-10-14 10:07:51,683 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:07:51,684 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 479 transitions. [2020-10-14 10:07:51,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-14 10:07:51,687 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:07:51,688 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 10:07:51,688 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 10:07:51,688 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:07:51,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:07:51,689 INFO L82 PathProgramCache]: Analyzing trace with hash 1571737336, now seen corresponding path program 1 times [2020-10-14 10:07:51,689 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:07:51,689 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1797011522] [2020-10-14 10:07:51,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:07:51,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:07:51,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:51,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:51,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:51,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:52,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:07:52,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-14 10:07:52,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 10:07:52,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 335 [2020-10-14 10:07:52,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:07:52,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:07:52,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:07:52,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-10-14 10:07:52,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 10:07:52,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:07:52,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:07:52,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:07:52,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:52,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:07:52,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:07:52,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:07:52,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:07:52,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:07:52,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:07:52,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:07:52,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:07:52,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:07:52,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:07:52,085 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-14 10:07:52,086 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1797011522] [2020-10-14 10:07:52,086 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:07:52,086 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:07:52,087 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653135652] [2020-10-14 10:07:52,087 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:07:52,087 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:07:52,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:07:52,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:07:52,088 INFO L87 Difference]: Start difference. First operand 323 states and 479 transitions. Second operand 3 states. [2020-10-14 10:07:52,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:07:52,161 INFO L93 Difference]: Finished difference Result 634 states and 947 transitions. [2020-10-14 10:07:52,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:07:52,161 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-10-14 10:07:52,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:07:52,165 INFO L225 Difference]: With dead ends: 634 [2020-10-14 10:07:52,165 INFO L226 Difference]: Without dead ends: 426 [2020-10-14 10:07:52,167 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 [2020-10-14 10:07:52,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2020-10-14 10:07:52,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 426. [2020-10-14 10:07:52,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 426 states. [2020-10-14 10:07:52,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 633 transitions. [2020-10-14 10:07:52,189 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 633 transitions. Word has length 60 [2020-10-14 10:07:52,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:07:52,190 INFO L479 AbstractCegarLoop]: Abstraction has 426 states and 633 transitions. [2020-10-14 10:07:52,190 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:07:52,190 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 633 transitions. [2020-10-14 10:07:52,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-10-14 10:07:52,195 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:07:52,196 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 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] [2020-10-14 10:07:52,196 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 10:07:52,196 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:07:52,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:07:52,197 INFO L82 PathProgramCache]: Analyzing trace with hash -770008173, now seen corresponding path program 1 times [2020-10-14 10:07:52,197 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:07:52,197 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [653532129] [2020-10-14 10:07:52,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:07:52,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:07:52,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:52,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:52,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:52,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:52,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:52,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:53,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:07:53,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 10:07:53,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 10:07:53,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1022 [2020-10-14 10:07:53,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:07:53,250 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:07:53,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:07:53,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-14 10:07:53,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-14 10:07:53,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:07:53,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:07:53,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:07:53,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:53,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:07:53,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:07:53,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:07:53,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:07:53,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:07:53,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:07:53,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:07:53,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:07:53,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:07:53,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:07:53,294 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-14 10:07:53,295 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [653532129] [2020-10-14 10:07:53,295 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:07:53,295 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:07:53,295 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170982731] [2020-10-14 10:07:53,296 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:07:53,296 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:07:53,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:07:53,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:07:53,297 INFO L87 Difference]: Start difference. First operand 426 states and 633 transitions. Second operand 3 states. [2020-10-14 10:07:53,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:07:53,353 INFO L93 Difference]: Finished difference Result 840 states and 1255 transitions. [2020-10-14 10:07:53,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:07:53,354 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 79 [2020-10-14 10:07:53,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:07:53,357 INFO L225 Difference]: With dead ends: 840 [2020-10-14 10:07:53,358 INFO L226 Difference]: Without dead ends: 529 [2020-10-14 10:07:53,359 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 [2020-10-14 10:07:53,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2020-10-14 10:07:53,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 529. [2020-10-14 10:07:53,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 529 states. [2020-10-14 10:07:53,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 788 transitions. [2020-10-14 10:07:53,379 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 788 transitions. Word has length 79 [2020-10-14 10:07:53,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:07:53,380 INFO L479 AbstractCegarLoop]: Abstraction has 529 states and 788 transitions. [2020-10-14 10:07:53,380 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:07:53,380 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 788 transitions. [2020-10-14 10:07:53,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-10-14 10:07:53,384 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:07:53,384 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 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] [2020-10-14 10:07:53,384 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 10:07:53,385 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:07:53,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:07:53,385 INFO L82 PathProgramCache]: Analyzing trace with hash 1840831051, now seen corresponding path program 1 times [2020-10-14 10:07:53,385 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:07:53,385 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [674553895] [2020-10-14 10:07:53,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:07:53,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:07:53,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:53,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:53,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:53,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:54,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:07:54,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-14 10:07:54,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 10:07:54,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 701 [2020-10-14 10:07:54,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:07:54,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:07:54,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:07:54,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-14 10:07:54,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-14 10:07:54,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:07:54,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:07:54,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:07:54,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:54,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:07:54,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:07:54,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:07:54,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:07:54,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:07:54,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:07:54,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:07:54,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:07:54,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:07:54,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:07:54,189 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2020-10-14 10:07:54,189 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [674553895] [2020-10-14 10:07:54,189 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:07:54,190 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:07:54,190 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197851773] [2020-10-14 10:07:54,191 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:07:54,192 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:07:54,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:07:54,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:07:54,192 INFO L87 Difference]: Start difference. First operand 529 states and 788 transitions. Second operand 3 states. [2020-10-14 10:07:54,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:07:54,248 INFO L93 Difference]: Finished difference Result 634 states and 946 transitions. [2020-10-14 10:07:54,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:07:54,249 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2020-10-14 10:07:54,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:07:54,254 INFO L225 Difference]: With dead ends: 634 [2020-10-14 10:07:54,254 INFO L226 Difference]: Without dead ends: 632 [2020-10-14 10:07:54,256 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 [2020-10-14 10:07:54,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2020-10-14 10:07:54,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 632. [2020-10-14 10:07:54,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 632 states. [2020-10-14 10:07:54,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 944 transitions. [2020-10-14 10:07:54,281 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 944 transitions. Word has length 99 [2020-10-14 10:07:54,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:07:54,282 INFO L479 AbstractCegarLoop]: Abstraction has 632 states and 944 transitions. [2020-10-14 10:07:54,282 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:07:54,282 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 944 transitions. [2020-10-14 10:07:54,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-10-14 10:07:54,288 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:07:54,289 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 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] [2020-10-14 10:07:54,289 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 10:07:54,289 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:07:54,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:07:54,290 INFO L82 PathProgramCache]: Analyzing trace with hash -273174812, now seen corresponding path program 1 times [2020-10-14 10:07:54,290 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:07:54,290 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1831491209] [2020-10-14 10:07:54,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:07:54,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:07:54,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:54,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:54,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:54,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:55,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:56,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:07:56,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-10-14 10:07:56,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 10:07:56,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1725 [2020-10-14 10:07:56,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:07:56,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:07:56,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:07:56,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 102 [2020-10-14 10:07:56,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-14 10:07:56,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:07:56,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:07:56,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:07:56,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:56,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:07:56,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:07:56,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:07:56,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:07:56,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:07:56,095 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:07:56,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:07:56,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:07:56,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:07:56,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 10:07:56,117 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2020-10-14 10:07:56,117 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1831491209] [2020-10-14 10:07:56,118 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:07:56,118 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:07:56,119 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288858217] [2020-10-14 10:07:56,120 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:07:56,120 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:07:56,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:07:56,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:07:56,120 INFO L87 Difference]: Start difference. First operand 632 states and 944 transitions. Second operand 3 states. [2020-10-14 10:07:56,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:07:56,357 INFO L93 Difference]: Finished difference Result 1558 states and 2406 transitions. [2020-10-14 10:07:56,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:07:56,358 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2020-10-14 10:07:56,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:07:56,363 INFO L225 Difference]: With dead ends: 1558 [2020-10-14 10:07:56,363 INFO L226 Difference]: Without dead ends: 932 [2020-10-14 10:07:56,365 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 [2020-10-14 10:07:56,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 932 states. [2020-10-14 10:07:56,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 932 to 878. [2020-10-14 10:07:56,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 878 states. [2020-10-14 10:07:56,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 878 states and 1244 transitions. [2020-10-14 10:07:56,391 INFO L78 Accepts]: Start accepts. Automaton has 878 states and 1244 transitions. Word has length 117 [2020-10-14 10:07:56,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:07:56,392 INFO L479 AbstractCegarLoop]: Abstraction has 878 states and 1244 transitions. [2020-10-14 10:07:56,392 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:07:56,392 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1244 transitions. [2020-10-14 10:07:56,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-10-14 10:07:56,395 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:07:56,395 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 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] [2020-10-14 10:07:56,395 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 10:07:56,395 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:07:56,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:07:56,396 INFO L82 PathProgramCache]: Analyzing trace with hash 1073851684, now seen corresponding path program 1 times [2020-10-14 10:07:56,396 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:07:56,396 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [207607134] [2020-10-14 10:07:56,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:07:56,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:07:56,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:56,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:56,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:56,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:56,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:57,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:07:57,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-10-14 10:07:57,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 10:07:57,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 764 [2020-10-14 10:07:57,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:07:57,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:07:57,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:07:57,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 102 [2020-10-14 10:07:57,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-14 10:07:57,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:07:57,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:07:57,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:07:57,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:57,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:07:57,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:07:57,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:07:57,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:07:57,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:07:57,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:07:57,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:07:57,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:07:57,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:07:57,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:07:57,223 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2020-10-14 10:07:57,224 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [207607134] [2020-10-14 10:07:57,224 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:07:57,224 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:07:57,224 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304118932] [2020-10-14 10:07:57,225 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:07:57,225 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:07:57,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:07:57,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:07:57,226 INFO L87 Difference]: Start difference. First operand 878 states and 1244 transitions. Second operand 3 states. [2020-10-14 10:07:57,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:07:57,447 INFO L93 Difference]: Finished difference Result 2080 states and 3046 transitions. [2020-10-14 10:07:57,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:07:57,447 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2020-10-14 10:07:57,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:07:57,454 INFO L225 Difference]: With dead ends: 2080 [2020-10-14 10:07:57,454 INFO L226 Difference]: Without dead ends: 1214 [2020-10-14 10:07:57,456 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 [2020-10-14 10:07:57,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1214 states. [2020-10-14 10:07:57,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1214 to 1124. [2020-10-14 10:07:57,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1124 states. [2020-10-14 10:07:57,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 1124 states and 1562 transitions. [2020-10-14 10:07:57,490 INFO L78 Accepts]: Start accepts. Automaton has 1124 states and 1562 transitions. Word has length 117 [2020-10-14 10:07:57,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:07:57,490 INFO L479 AbstractCegarLoop]: Abstraction has 1124 states and 1562 transitions. [2020-10-14 10:07:57,490 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:07:57,491 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1562 transitions. [2020-10-14 10:07:57,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-14 10:07:57,495 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:07:57,495 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 4, 4, 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] [2020-10-14 10:07:57,495 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 10:07:57,496 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:07:57,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:07:57,496 INFO L82 PathProgramCache]: Analyzing trace with hash -965320195, now seen corresponding path program 1 times [2020-10-14 10:07:57,496 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:07:57,497 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [281302919] [2020-10-14 10:07:57,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:07:57,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:07:57,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:57,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:57,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:57,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:58,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:58,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:59,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:07:59,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-14 10:07:59,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 10:07:59,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2144 [2020-10-14 10:07:59,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:07:59,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:07:59,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:07:59,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-14 10:07:59,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-14 10:07:59,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:07:59,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:07:59,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:07:59,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:59,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:07:59,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:07:59,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:07:59,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:07:59,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:07:59,696 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:07:59,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:07:59,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:07:59,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:07:59,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:07:59,713 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2020-10-14 10:07:59,714 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [281302919] [2020-10-14 10:07:59,714 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:07:59,714 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:07:59,714 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630030670] [2020-10-14 10:07:59,715 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:07:59,715 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:07:59,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:07:59,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:07:59,716 INFO L87 Difference]: Start difference. First operand 1124 states and 1562 transitions. Second operand 3 states. [2020-10-14 10:07:59,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:07:59,933 INFO L93 Difference]: Finished difference Result 2554 states and 3657 transitions. [2020-10-14 10:07:59,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:07:59,934 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 134 [2020-10-14 10:07:59,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:07:59,943 INFO L225 Difference]: With dead ends: 2554 [2020-10-14 10:07:59,943 INFO L226 Difference]: Without dead ends: 1442 [2020-10-14 10:07:59,947 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 [2020-10-14 10:07:59,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1442 states. [2020-10-14 10:07:59,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1442 to 1250. [2020-10-14 10:07:59,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1250 states. [2020-10-14 10:07:59,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1250 states and 1772 transitions. [2020-10-14 10:07:59,987 INFO L78 Accepts]: Start accepts. Automaton has 1250 states and 1772 transitions. Word has length 134 [2020-10-14 10:07:59,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:07:59,987 INFO L479 AbstractCegarLoop]: Abstraction has 1250 states and 1772 transitions. [2020-10-14 10:07:59,988 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:07:59,988 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1772 transitions. [2020-10-14 10:07:59,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-10-14 10:07:59,992 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:07:59,993 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 5, 5, 3, 3, 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] [2020-10-14 10:07:59,993 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 10:07:59,993 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:07:59,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:07:59,994 INFO L82 PathProgramCache]: Analyzing trace with hash 600728947, now seen corresponding path program 1 times [2020-10-14 10:07:59,994 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:07:59,995 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2000052444] [2020-10-14 10:07:59,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:00,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:00,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:00,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:00,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:00,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:01,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:01,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-14 10:08:01,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 10:08:01,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1824 [2020-10-14 10:08:01,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:01,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:01,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:01,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 10:08:01,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 10:08:01,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:01,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:01,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:01,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:01,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:01,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:01,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:01,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:08:01,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:01,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:01,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:01,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:01,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:01,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:01,898 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 240 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2020-10-14 10:08:01,904 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2000052444] [2020-10-14 10:08:01,905 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:01,905 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:01,906 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171112153] [2020-10-14 10:08:01,906 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:01,907 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:01,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:01,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:01,907 INFO L87 Difference]: Start difference. First operand 1250 states and 1772 transitions. Second operand 3 states. [2020-10-14 10:08:02,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:02,146 INFO L93 Difference]: Finished difference Result 2788 states and 4056 transitions. [2020-10-14 10:08:02,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:02,147 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 154 [2020-10-14 10:08:02,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:02,156 INFO L225 Difference]: With dead ends: 2788 [2020-10-14 10:08:02,156 INFO L226 Difference]: Without dead ends: 1544 [2020-10-14 10:08:02,159 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 [2020-10-14 10:08:02,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1544 states. [2020-10-14 10:08:02,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1544 to 1478. [2020-10-14 10:08:02,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1478 states. [2020-10-14 10:08:02,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1478 states to 1478 states and 2144 transitions. [2020-10-14 10:08:02,223 INFO L78 Accepts]: Start accepts. Automaton has 1478 states and 2144 transitions. Word has length 154 [2020-10-14 10:08:02,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:02,223 INFO L479 AbstractCegarLoop]: Abstraction has 1478 states and 2144 transitions. [2020-10-14 10:08:02,223 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:02,223 INFO L276 IsEmpty]: Start isEmpty. Operand 1478 states and 2144 transitions. [2020-10-14 10:08:02,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-10-14 10:08:02,228 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:02,229 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 7, 7, 5, 5, 3, 3, 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] [2020-10-14 10:08:02,229 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 10:08:02,229 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:02,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:02,229 INFO L82 PathProgramCache]: Analyzing trace with hash 399723179, now seen corresponding path program 1 times [2020-10-14 10:08:02,230 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:02,230 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [711075228] [2020-10-14 10:08:02,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:02,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:02,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:02,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:02,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:02,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:02,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:02,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:06,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:06,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 175 [2020-10-14 10:08:06,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 10:08:06,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4180 [2020-10-14 10:08:06,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:06,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:06,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:06,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 98 [2020-10-14 10:08:06,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 10:08:06,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:06,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:06,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:06,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:06,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:06,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:06,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:06,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:08:06,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:06,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:06,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:06,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:06,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:06,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 10:08:06,512 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 260 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2020-10-14 10:08:06,513 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [711075228] [2020-10-14 10:08:06,513 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:06,513 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:06,514 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343038352] [2020-10-14 10:08:06,515 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:06,515 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:06,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:06,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:06,516 INFO L87 Difference]: Start difference. First operand 1478 states and 2144 transitions. Second operand 3 states. [2020-10-14 10:08:06,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:06,754 INFO L93 Difference]: Finished difference Result 3262 states and 4680 transitions. [2020-10-14 10:08:06,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:06,755 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 167 [2020-10-14 10:08:06,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:06,766 INFO L225 Difference]: With dead ends: 3262 [2020-10-14 10:08:06,767 INFO L226 Difference]: Without dead ends: 1796 [2020-10-14 10:08:06,774 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 [2020-10-14 10:08:06,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1796 states. [2020-10-14 10:08:06,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1796 to 1592. [2020-10-14 10:08:06,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1592 states. [2020-10-14 10:08:06,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1592 states to 1592 states and 2306 transitions. [2020-10-14 10:08:06,833 INFO L78 Accepts]: Start accepts. Automaton has 1592 states and 2306 transitions. Word has length 167 [2020-10-14 10:08:06,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:06,833 INFO L479 AbstractCegarLoop]: Abstraction has 1592 states and 2306 transitions. [2020-10-14 10:08:06,833 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:06,833 INFO L276 IsEmpty]: Start isEmpty. Operand 1592 states and 2306 transitions. [2020-10-14 10:08:06,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-10-14 10:08:06,842 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:06,842 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:08:06,842 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 10:08:06,842 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:06,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:06,843 INFO L82 PathProgramCache]: Analyzing trace with hash 1487748324, now seen corresponding path program 1 times [2020-10-14 10:08:06,843 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:06,843 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [999792242] [2020-10-14 10:08:06,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:06,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:06,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:06,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:06,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:07,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:08,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:08,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-14 10:08:08,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 10:08:08,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1765 [2020-10-14 10:08:08,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:08,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:08,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:08,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 10:08:08,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 10:08:08,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:08,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:08,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:08,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:08,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:08,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:08,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:08,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:08:08,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:08,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:08,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:08,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:08,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:08,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:08:08,706 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 289 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2020-10-14 10:08:08,706 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [999792242] [2020-10-14 10:08:08,707 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:08,708 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:08,708 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521357165] [2020-10-14 10:08:08,708 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:08,709 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:08,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:08,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:08,709 INFO L87 Difference]: Start difference. First operand 1592 states and 2306 transitions. Second operand 3 states. [2020-10-14 10:08:08,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:08,920 INFO L93 Difference]: Finished difference Result 3492 states and 5078 transitions. [2020-10-14 10:08:08,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:08,921 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 181 [2020-10-14 10:08:08,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:08,930 INFO L225 Difference]: With dead ends: 3492 [2020-10-14 10:08:08,930 INFO L226 Difference]: Without dead ends: 1810 [2020-10-14 10:08:08,934 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 [2020-10-14 10:08:08,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1810 states. [2020-10-14 10:08:08,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1810 to 1730. [2020-10-14 10:08:08,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1730 states. [2020-10-14 10:08:08,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1730 states to 1730 states and 2474 transitions. [2020-10-14 10:08:08,986 INFO L78 Accepts]: Start accepts. Automaton has 1730 states and 2474 transitions. Word has length 181 [2020-10-14 10:08:08,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:08,987 INFO L479 AbstractCegarLoop]: Abstraction has 1730 states and 2474 transitions. [2020-10-14 10:08:08,987 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:08,987 INFO L276 IsEmpty]: Start isEmpty. Operand 1730 states and 2474 transitions. [2020-10-14 10:08:08,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2020-10-14 10:08:08,993 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:08,993 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:08:08,994 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 10:08:08,994 INFO L427 AbstractCegarLoop]: === Iteration 12 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:08,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:08,994 INFO L82 PathProgramCache]: Analyzing trace with hash -1190177471, now seen corresponding path program 1 times [2020-10-14 10:08:08,995 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:08,995 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1078555342] [2020-10-14 10:08:08,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:09,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:09,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:09,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:09,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:09,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:10,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:10,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 210 [2020-10-14 10:08:10,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 10:08:10,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1711 [2020-10-14 10:08:10,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:10,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:10,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:10,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-10-14 10:08:10,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:08:10,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:10,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:10,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:10,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:10,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:10,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:10,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:10,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:08:10,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:10,760 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:10,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:10,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:10,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:10,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:10,793 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 366 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2020-10-14 10:08:10,793 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1078555342] [2020-10-14 10:08:10,793 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:10,794 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:10,794 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69081572] [2020-10-14 10:08:10,794 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:10,795 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:10,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:10,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:10,795 INFO L87 Difference]: Start difference. First operand 1730 states and 2474 transitions. Second operand 3 states. [2020-10-14 10:08:11,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:11,028 INFO L93 Difference]: Finished difference Result 3766 states and 5418 transitions. [2020-10-14 10:08:11,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:11,029 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 202 [2020-10-14 10:08:11,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:11,039 INFO L225 Difference]: With dead ends: 3766 [2020-10-14 10:08:11,039 INFO L226 Difference]: Without dead ends: 1958 [2020-10-14 10:08:11,046 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 [2020-10-14 10:08:11,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1958 states. [2020-10-14 10:08:11,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1958 to 1880. [2020-10-14 10:08:11,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1880 states. [2020-10-14 10:08:11,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1880 states to 1880 states and 2666 transitions. [2020-10-14 10:08:11,099 INFO L78 Accepts]: Start accepts. Automaton has 1880 states and 2666 transitions. Word has length 202 [2020-10-14 10:08:11,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:11,099 INFO L479 AbstractCegarLoop]: Abstraction has 1880 states and 2666 transitions. [2020-10-14 10:08:11,100 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:11,100 INFO L276 IsEmpty]: Start isEmpty. Operand 1880 states and 2666 transitions. [2020-10-14 10:08:11,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-10-14 10:08:11,106 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:11,107 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:08:11,107 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 10:08:11,107 INFO L427 AbstractCegarLoop]: === Iteration 13 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:11,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:11,108 INFO L82 PathProgramCache]: Analyzing trace with hash 474255598, now seen corresponding path program 1 times [2020-10-14 10:08:11,108 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:11,108 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1150625857] [2020-10-14 10:08:11,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:11,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:11,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:11,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:11,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:11,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:13,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:13,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 234 [2020-10-14 10:08:13,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 10:08:13,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2214 [2020-10-14 10:08:13,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:13,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:13,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:13,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-10-14 10:08:13,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 10:08:13,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:13,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:13,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:13,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:13,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:13,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:13,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:13,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:08:13,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:13,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:13,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:13,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:13,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:13,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:13,444 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 441 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2020-10-14 10:08:13,445 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1150625857] [2020-10-14 10:08:13,445 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:13,446 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:13,446 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395375697] [2020-10-14 10:08:13,447 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:13,447 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:13,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:13,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:13,448 INFO L87 Difference]: Start difference. First operand 1880 states and 2666 transitions. Second operand 3 states. [2020-10-14 10:08:13,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:13,763 INFO L93 Difference]: Finished difference Result 4066 states and 5796 transitions. [2020-10-14 10:08:13,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:13,765 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 226 [2020-10-14 10:08:13,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:13,781 INFO L225 Difference]: With dead ends: 4066 [2020-10-14 10:08:13,781 INFO L226 Difference]: Without dead ends: 2120 [2020-10-14 10:08:13,794 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 [2020-10-14 10:08:13,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2120 states. [2020-10-14 10:08:13,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2120 to 2048. [2020-10-14 10:08:13,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2048 states. [2020-10-14 10:08:13,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2048 states to 2048 states and 2888 transitions. [2020-10-14 10:08:13,879 INFO L78 Accepts]: Start accepts. Automaton has 2048 states and 2888 transitions. Word has length 226 [2020-10-14 10:08:13,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:13,880 INFO L479 AbstractCegarLoop]: Abstraction has 2048 states and 2888 transitions. [2020-10-14 10:08:13,880 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:13,880 INFO L276 IsEmpty]: Start isEmpty. Operand 2048 states and 2888 transitions. [2020-10-14 10:08:13,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-10-14 10:08:13,889 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:13,890 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:08:13,890 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 10:08:13,890 INFO L427 AbstractCegarLoop]: === Iteration 14 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:13,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:13,891 INFO L82 PathProgramCache]: Analyzing trace with hash 592697072, now seen corresponding path program 1 times [2020-10-14 10:08:13,891 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:13,892 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1672336478] [2020-10-14 10:08:13,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:13,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:13,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:13,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:14,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:14,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:16,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:16,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 234 [2020-10-14 10:08:16,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 10:08:16,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2351 [2020-10-14 10:08:16,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:16,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:16,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:16,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-10-14 10:08:16,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 10:08:16,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:16,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:16,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:16,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:16,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:16,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:16,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:16,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:08:16,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:16,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:16,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:16,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:16,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:16,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:16,336 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 441 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2020-10-14 10:08:16,336 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1672336478] [2020-10-14 10:08:16,337 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:16,337 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:16,337 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269684054] [2020-10-14 10:08:16,338 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:16,338 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:16,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:16,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:16,338 INFO L87 Difference]: Start difference. First operand 2048 states and 2888 transitions. Second operand 3 states. [2020-10-14 10:08:16,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:16,581 INFO L93 Difference]: Finished difference Result 4402 states and 6246 transitions. [2020-10-14 10:08:16,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:16,582 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 226 [2020-10-14 10:08:16,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:16,593 INFO L225 Difference]: With dead ends: 4402 [2020-10-14 10:08:16,594 INFO L226 Difference]: Without dead ends: 2312 [2020-10-14 10:08:16,599 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 [2020-10-14 10:08:16,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2312 states. [2020-10-14 10:08:16,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2312 to 2234. [2020-10-14 10:08:16,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2234 states. [2020-10-14 10:08:16,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2234 states to 2234 states and 3152 transitions. [2020-10-14 10:08:16,675 INFO L78 Accepts]: Start accepts. Automaton has 2234 states and 3152 transitions. Word has length 226 [2020-10-14 10:08:16,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:16,676 INFO L479 AbstractCegarLoop]: Abstraction has 2234 states and 3152 transitions. [2020-10-14 10:08:16,676 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:16,676 INFO L276 IsEmpty]: Start isEmpty. Operand 2234 states and 3152 transitions. [2020-10-14 10:08:16,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2020-10-14 10:08:16,683 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:16,684 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:08:16,684 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 10:08:16,684 INFO L427 AbstractCegarLoop]: === Iteration 15 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:16,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:16,685 INFO L82 PathProgramCache]: Analyzing trace with hash 233536878, now seen corresponding path program 1 times [2020-10-14 10:08:16,685 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:16,686 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [663618408] [2020-10-14 10:08:16,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:16,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:16,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:16,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:16,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:16,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:17,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:18,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:18,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 264 [2020-10-14 10:08:18,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 10:08:18,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2075 [2020-10-14 10:08:18,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:18,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:18,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:18,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-10-14 10:08:18,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-14 10:08:18,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:18,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:18,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:18,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:18,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:18,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:18,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:18,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:08:18,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:18,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:18,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:18,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:18,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:18,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:18,888 INFO L134 CoverageAnalysis]: Checked inductivity of 904 backedges. 579 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2020-10-14 10:08:18,888 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [663618408] [2020-10-14 10:08:18,888 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:18,889 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:18,889 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233920315] [2020-10-14 10:08:18,889 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:18,890 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:18,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:18,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:18,890 INFO L87 Difference]: Start difference. First operand 2234 states and 3152 transitions. Second operand 3 states. [2020-10-14 10:08:18,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:18,968 INFO L93 Difference]: Finished difference Result 6672 states and 9418 transitions. [2020-10-14 10:08:18,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:18,969 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 256 [2020-10-14 10:08:18,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:18,988 INFO L225 Difference]: With dead ends: 6672 [2020-10-14 10:08:18,988 INFO L226 Difference]: Without dead ends: 4450 [2020-10-14 10:08:18,995 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 [2020-10-14 10:08:18,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4450 states. [2020-10-14 10:08:19,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4450 to 4448. [2020-10-14 10:08:19,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4448 states. [2020-10-14 10:08:19,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4448 states to 4448 states and 6275 transitions. [2020-10-14 10:08:19,117 INFO L78 Accepts]: Start accepts. Automaton has 4448 states and 6275 transitions. Word has length 256 [2020-10-14 10:08:19,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:19,117 INFO L479 AbstractCegarLoop]: Abstraction has 4448 states and 6275 transitions. [2020-10-14 10:08:19,118 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:19,118 INFO L276 IsEmpty]: Start isEmpty. Operand 4448 states and 6275 transitions. [2020-10-14 10:08:19,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2020-10-14 10:08:19,135 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:19,136 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:08:19,136 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-14 10:08:19,136 INFO L427 AbstractCegarLoop]: === Iteration 16 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:19,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:19,136 INFO L82 PathProgramCache]: Analyzing trace with hash 351978352, now seen corresponding path program 1 times [2020-10-14 10:08:19,137 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:19,137 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1735798539] [2020-10-14 10:08:19,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:19,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:19,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:19,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:19,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:19,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:21,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:21,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 264 [2020-10-14 10:08:21,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 10:08:21,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1960 [2020-10-14 10:08:21,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:21,115 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:21,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:21,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 159 [2020-10-14 10:08:21,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 10:08:21,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 10:08:21,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:21,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:21,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:21,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:21,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:21,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:21,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:08:21,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:21,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:21,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:21,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:21,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:21,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:08:21,186 INFO L134 CoverageAnalysis]: Checked inductivity of 904 backedges. 516 proven. 0 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2020-10-14 10:08:21,186 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1735798539] [2020-10-14 10:08:21,189 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:21,189 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:21,189 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80293426] [2020-10-14 10:08:21,190 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:21,190 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:21,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:21,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:21,191 INFO L87 Difference]: Start difference. First operand 4448 states and 6275 transitions. Second operand 3 states. [2020-10-14 10:08:21,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:21,480 INFO L93 Difference]: Finished difference Result 9508 states and 13482 transitions. [2020-10-14 10:08:21,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:21,480 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 256 [2020-10-14 10:08:21,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:21,522 INFO L225 Difference]: With dead ends: 9508 [2020-10-14 10:08:21,523 INFO L226 Difference]: Without dead ends: 5012 [2020-10-14 10:08:21,534 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 [2020-10-14 10:08:21,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5012 states. [2020-10-14 10:08:21,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5012 to 4868. [2020-10-14 10:08:21,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4868 states. [2020-10-14 10:08:21,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4868 states to 4868 states and 6899 transitions. [2020-10-14 10:08:21,695 INFO L78 Accepts]: Start accepts. Automaton has 4868 states and 6899 transitions. Word has length 256 [2020-10-14 10:08:21,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:21,695 INFO L479 AbstractCegarLoop]: Abstraction has 4868 states and 6899 transitions. [2020-10-14 10:08:21,696 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:21,696 INFO L276 IsEmpty]: Start isEmpty. Operand 4868 states and 6899 transitions. [2020-10-14 10:08:21,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2020-10-14 10:08:21,709 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:21,709 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:08:21,709 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-14 10:08:21,709 INFO L427 AbstractCegarLoop]: === Iteration 17 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:21,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:21,710 INFO L82 PathProgramCache]: Analyzing trace with hash -1321098150, now seen corresponding path program 1 times [2020-10-14 10:08:21,710 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:21,710 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1819620962] [2020-10-14 10:08:21,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:21,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:21,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:21,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:21,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:21,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:23,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:23,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 299 [2020-10-14 10:08:23,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 10:08:23,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2051 [2020-10-14 10:08:23,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:23,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:23,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:23,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 192 [2020-10-14 10:08:23,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 10:08:23,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:23,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:23,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:23,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:23,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:23,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:23,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:23,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:08:23,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:23,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:23,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:23,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:23,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:23,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:23,882 INFO L134 CoverageAnalysis]: Checked inductivity of 1093 backedges. 591 proven. 0 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2020-10-14 10:08:23,882 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1819620962] [2020-10-14 10:08:23,883 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:23,883 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:23,883 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514565724] [2020-10-14 10:08:23,884 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:23,885 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:23,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:23,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:23,887 INFO L87 Difference]: Start difference. First operand 4868 states and 6899 transitions. Second operand 3 states. [2020-10-14 10:08:24,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:24,212 INFO L93 Difference]: Finished difference Result 9892 states and 13986 transitions. [2020-10-14 10:08:24,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:24,212 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 291 [2020-10-14 10:08:24,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:24,227 INFO L225 Difference]: With dead ends: 9892 [2020-10-14 10:08:24,228 INFO L226 Difference]: Without dead ends: 5000 [2020-10-14 10:08:24,241 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 [2020-10-14 10:08:24,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5000 states. [2020-10-14 10:08:24,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5000 to 4856. [2020-10-14 10:08:24,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4856 states. [2020-10-14 10:08:24,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4856 states to 4856 states and 6827 transitions. [2020-10-14 10:08:24,424 INFO L78 Accepts]: Start accepts. Automaton has 4856 states and 6827 transitions. Word has length 291 [2020-10-14 10:08:24,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:24,425 INFO L479 AbstractCegarLoop]: Abstraction has 4856 states and 6827 transitions. [2020-10-14 10:08:24,425 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:24,425 INFO L276 IsEmpty]: Start isEmpty. Operand 4856 states and 6827 transitions. [2020-10-14 10:08:24,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2020-10-14 10:08:24,440 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:24,441 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 13, 13, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:08:24,441 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-14 10:08:24,441 INFO L427 AbstractCegarLoop]: === Iteration 18 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:24,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:24,442 INFO L82 PathProgramCache]: Analyzing trace with hash -1889143291, now seen corresponding path program 1 times [2020-10-14 10:08:24,442 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:24,442 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1240199081] [2020-10-14 10:08:24,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:24,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:24,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:24,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:24,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:24,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:26,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:26,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 322 [2020-10-14 10:08:26,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 10:08:26,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2229 [2020-10-14 10:08:26,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:26,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:26,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:26,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 229 [2020-10-14 10:08:26,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 10:08:26,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:08:26,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:26,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:26,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:26,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:26,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:26,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:26,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:08:26,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:26,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:26,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:26,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:26,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:26,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:26,799 INFO L134 CoverageAnalysis]: Checked inductivity of 1244 backedges. 638 proven. 0 refuted. 0 times theorem prover too weak. 606 trivial. 0 not checked. [2020-10-14 10:08:26,800 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1240199081] [2020-10-14 10:08:26,800 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:26,800 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:26,800 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521563656] [2020-10-14 10:08:26,802 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:26,802 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:26,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:26,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:26,803 INFO L87 Difference]: Start difference. First operand 4856 states and 6827 transitions. Second operand 3 states. [2020-10-14 10:08:27,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:27,039 INFO L93 Difference]: Finished difference Result 10300 states and 14358 transitions. [2020-10-14 10:08:27,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:27,039 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 314 [2020-10-14 10:08:27,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:27,052 INFO L225 Difference]: With dead ends: 10300 [2020-10-14 10:08:27,052 INFO L226 Difference]: Without dead ends: 5456 [2020-10-14 10:08:27,066 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 [2020-10-14 10:08:27,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5456 states. [2020-10-14 10:08:27,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5456 to 5036. [2020-10-14 10:08:27,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5036 states. [2020-10-14 10:08:27,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5036 states to 5036 states and 7091 transitions. [2020-10-14 10:08:27,188 INFO L78 Accepts]: Start accepts. Automaton has 5036 states and 7091 transitions. Word has length 314 [2020-10-14 10:08:27,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:27,189 INFO L479 AbstractCegarLoop]: Abstraction has 5036 states and 7091 transitions. [2020-10-14 10:08:27,189 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:27,189 INFO L276 IsEmpty]: Start isEmpty. Operand 5036 states and 7091 transitions. [2020-10-14 10:08:27,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2020-10-14 10:08:27,203 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:27,204 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:08:27,204 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-14 10:08:27,204 INFO L427 AbstractCegarLoop]: === Iteration 19 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:27,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:27,205 INFO L82 PathProgramCache]: Analyzing trace with hash -1068495197, now seen corresponding path program 1 times [2020-10-14 10:08:27,205 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:27,205 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1497811650] [2020-10-14 10:08:27,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:27,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:27,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:27,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:27,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:27,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:29,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:29,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 336 [2020-10-14 10:08:29,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 10:08:29,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2129 [2020-10-14 10:08:29,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:29,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:29,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:29,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 229 [2020-10-14 10:08:29,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 10:08:29,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:29,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:29,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:29,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:29,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:29,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:29,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:29,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:08:29,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:29,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:29,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:29,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:29,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:29,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:29,479 INFO L134 CoverageAnalysis]: Checked inductivity of 1340 backedges. 694 proven. 0 refuted. 0 times theorem prover too weak. 646 trivial. 0 not checked. [2020-10-14 10:08:29,480 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1497811650] [2020-10-14 10:08:29,480 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:29,480 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:29,481 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570833957] [2020-10-14 10:08:29,482 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:29,483 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:29,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:29,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:29,483 INFO L87 Difference]: Start difference. First operand 5036 states and 7091 transitions. Second operand 3 states. [2020-10-14 10:08:29,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:29,782 INFO L93 Difference]: Finished difference Result 10672 states and 14886 transitions. [2020-10-14 10:08:29,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:29,783 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 328 [2020-10-14 10:08:29,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:29,797 INFO L225 Difference]: With dead ends: 10672 [2020-10-14 10:08:29,798 INFO L226 Difference]: Without dead ends: 5648 [2020-10-14 10:08:29,809 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 [2020-10-14 10:08:29,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5648 states. [2020-10-14 10:08:29,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5648 to 5216. [2020-10-14 10:08:29,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5216 states. [2020-10-14 10:08:29,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5216 states to 5216 states and 7259 transitions. [2020-10-14 10:08:29,923 INFO L78 Accepts]: Start accepts. Automaton has 5216 states and 7259 transitions. Word has length 328 [2020-10-14 10:08:29,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:29,924 INFO L479 AbstractCegarLoop]: Abstraction has 5216 states and 7259 transitions. [2020-10-14 10:08:29,924 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:29,924 INFO L276 IsEmpty]: Start isEmpty. Operand 5216 states and 7259 transitions. [2020-10-14 10:08:29,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2020-10-14 10:08:29,938 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:29,939 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:08:29,939 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-14 10:08:29,939 INFO L427 AbstractCegarLoop]: === Iteration 20 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:29,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:29,940 INFO L82 PathProgramCache]: Analyzing trace with hash -1605596910, now seen corresponding path program 1 times [2020-10-14 10:08:29,940 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:29,940 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1315133849] [2020-10-14 10:08:29,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:29,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:29,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:30,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:30,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:30,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:30,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:30,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:34,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:34,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 337 [2020-10-14 10:08:34,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 10:08:34,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4241 [2020-10-14 10:08:34,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:34,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:34,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:34,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 45 [2020-10-14 10:08:34,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 186 [2020-10-14 10:08:34,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:08:34,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:34,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:34,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:34,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:34,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:34,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:34,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:08:34,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:34,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:34,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:34,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:34,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:34,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:34,433 INFO L134 CoverageAnalysis]: Checked inductivity of 1340 backedges. 799 proven. 0 refuted. 0 times theorem prover too weak. 541 trivial. 0 not checked. [2020-10-14 10:08:34,433 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1315133849] [2020-10-14 10:08:34,434 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:34,434 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:34,434 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233439974] [2020-10-14 10:08:34,434 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:34,435 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:34,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:34,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:34,435 INFO L87 Difference]: Start difference. First operand 5216 states and 7259 transitions. Second operand 3 states. [2020-10-14 10:08:34,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:34,582 INFO L93 Difference]: Finished difference Result 15072 states and 21073 transitions. [2020-10-14 10:08:34,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:34,582 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 329 [2020-10-14 10:08:34,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:34,607 INFO L225 Difference]: With dead ends: 15072 [2020-10-14 10:08:34,607 INFO L226 Difference]: Without dead ends: 9868 [2020-10-14 10:08:34,622 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 [2020-10-14 10:08:34,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9868 states. [2020-10-14 10:08:34,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9868 to 9866. [2020-10-14 10:08:34,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9866 states. [2020-10-14 10:08:34,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9866 states to 9866 states and 13793 transitions. [2020-10-14 10:08:34,905 INFO L78 Accepts]: Start accepts. Automaton has 9866 states and 13793 transitions. Word has length 329 [2020-10-14 10:08:34,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:34,905 INFO L479 AbstractCegarLoop]: Abstraction has 9866 states and 13793 transitions. [2020-10-14 10:08:34,905 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:34,906 INFO L276 IsEmpty]: Start isEmpty. Operand 9866 states and 13793 transitions. [2020-10-14 10:08:34,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2020-10-14 10:08:34,930 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:34,930 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 13, 13, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:08:34,930 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-14 10:08:34,931 INFO L427 AbstractCegarLoop]: === Iteration 21 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:34,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:34,931 INFO L82 PathProgramCache]: Analyzing trace with hash -901585188, now seen corresponding path program 1 times [2020-10-14 10:08:34,931 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:34,931 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [682246434] [2020-10-14 10:08:34,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:34,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:34,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:34,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:35,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:35,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:37,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:37,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 347 [2020-10-14 10:08:37,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 10:08:37,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2383 [2020-10-14 10:08:37,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:37,332 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:37,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:08:37,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-14 10:08:37,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 244 [2020-10-14 10:08:37,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:08:37,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:37,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:37,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:37,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:37,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:37,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:37,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:08:37,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:37,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:37,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:37,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:37,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:37,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:08:37,804 INFO L134 CoverageAnalysis]: Checked inductivity of 1348 backedges. 673 proven. 1 refuted. 0 times theorem prover too weak. 674 trivial. 0 not checked. [2020-10-14 10:08:37,804 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [682246434] [2020-10-14 10:08:37,804 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 10:08:37,805 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 10:08:37,805 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298161882] [2020-10-14 10:08:37,805 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 10:08:37,806 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:37,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 10:08:37,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-14 10:08:37,807 INFO L87 Difference]: Start difference. First operand 9866 states and 13793 transitions. Second operand 5 states. [2020-10-14 10:08:38,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:38,263 INFO L93 Difference]: Finished difference Result 29248 states and 40822 transitions. [2020-10-14 10:08:38,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-14 10:08:38,263 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 339 [2020-10-14 10:08:38,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:38,308 INFO L225 Difference]: With dead ends: 29248 [2020-10-14 10:08:38,309 INFO L226 Difference]: Without dead ends: 19394 [2020-10-14 10:08:38,333 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-14 10:08:38,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19394 states. [2020-10-14 10:08:38,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19394 to 14768. [2020-10-14 10:08:38,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14768 states. [2020-10-14 10:08:38,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14768 states to 14768 states and 20611 transitions. [2020-10-14 10:08:38,700 INFO L78 Accepts]: Start accepts. Automaton has 14768 states and 20611 transitions. Word has length 339 [2020-10-14 10:08:38,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:38,701 INFO L479 AbstractCegarLoop]: Abstraction has 14768 states and 20611 transitions. [2020-10-14 10:08:38,701 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 10:08:38,701 INFO L276 IsEmpty]: Start isEmpty. Operand 14768 states and 20611 transitions. [2020-10-14 10:08:38,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2020-10-14 10:08:38,729 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:38,729 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 13, 13, 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, 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] [2020-10-14 10:08:38,730 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-14 10:08:38,730 INFO L427 AbstractCegarLoop]: === Iteration 22 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:38,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:38,730 INFO L82 PathProgramCache]: Analyzing trace with hash -1134338492, now seen corresponding path program 1 times [2020-10-14 10:08:38,731 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:38,732 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [92289603] [2020-10-14 10:08:38,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:38,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:38,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:38,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:38,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:39,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:39,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 349 [2020-10-14 10:08:39,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 10:08:39,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 898 [2020-10-14 10:08:39,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:39,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:39,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 10:08:39,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 230 [2020-10-14 10:08:39,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-14 10:08:39,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:08:39,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:39,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:39,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:39,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:39,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:39,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:39,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:08:39,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:39,734 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:39,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:39,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:39,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:39,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:08:39,806 INFO L134 CoverageAnalysis]: Checked inductivity of 1350 backedges. 768 proven. 12 refuted. 0 times theorem prover too weak. 570 trivial. 0 not checked. [2020-10-14 10:08:39,806 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [92289603] [2020-10-14 10:08:39,807 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 10:08:39,807 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-10-14 10:08:39,807 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980240379] [2020-10-14 10:08:39,808 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 10:08:39,808 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:39,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 10:08:39,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 10:08:39,808 INFO L87 Difference]: Start difference. First operand 14768 states and 20611 transitions. Second operand 4 states. [2020-10-14 10:08:40,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:40,509 INFO L93 Difference]: Finished difference Result 29004 states and 40469 transitions. [2020-10-14 10:08:40,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 10:08:40,510 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 341 [2020-10-14 10:08:40,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:40,561 INFO L225 Difference]: With dead ends: 29004 [2020-10-14 10:08:40,562 INFO L226 Difference]: Without dead ends: 21985 [2020-10-14 10:08:40,579 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 [2020-10-14 10:08:40,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21985 states. [2020-10-14 10:08:40,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21985 to 17798. [2020-10-14 10:08:40,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17798 states. [2020-10-14 10:08:41,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17798 states to 17798 states and 24555 transitions. [2020-10-14 10:08:41,026 INFO L78 Accepts]: Start accepts. Automaton has 17798 states and 24555 transitions. Word has length 341 [2020-10-14 10:08:41,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:41,027 INFO L479 AbstractCegarLoop]: Abstraction has 17798 states and 24555 transitions. [2020-10-14 10:08:41,027 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 10:08:41,027 INFO L276 IsEmpty]: Start isEmpty. Operand 17798 states and 24555 transitions. [2020-10-14 10:08:41,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2020-10-14 10:08:41,063 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:41,064 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 14, 14, 14, 11, 11, 9, 9, 8, 8, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2020-10-14 10:08:41,064 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-14 10:08:41,064 INFO L427 AbstractCegarLoop]: === Iteration 23 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:41,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:41,065 INFO L82 PathProgramCache]: Analyzing trace with hash -233179588, now seen corresponding path program 1 times [2020-10-14 10:08:41,065 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:41,072 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [487445474] [2020-10-14 10:08:41,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:41,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:41,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:41,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:41,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:41,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:41,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:42,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:43,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:46,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:46,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 365 [2020-10-14 10:08:46,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 10:08:46,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-14 10:08:46,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:46,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:46,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:46,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 342 [2020-10-14 10:08:46,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-14 10:08:46,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:08:46,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:46,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:46,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:46,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:46,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:46,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:46,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:08:46,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:46,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:46,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:46,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:46,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:46,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:46,197 INFO L134 CoverageAnalysis]: Checked inductivity of 1429 backedges. 204 proven. 0 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2020-10-14 10:08:46,197 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [487445474] [2020-10-14 10:08:46,197 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:46,197 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:46,198 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200263395] [2020-10-14 10:08:46,198 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:46,199 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:46,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:46,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:46,199 INFO L87 Difference]: Start difference. First operand 17798 states and 24555 transitions. Second operand 3 states. [2020-10-14 10:08:46,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:46,641 INFO L93 Difference]: Finished difference Result 36718 states and 50642 transitions. [2020-10-14 10:08:46,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:46,642 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 357 [2020-10-14 10:08:46,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:46,691 INFO L225 Difference]: With dead ends: 36718 [2020-10-14 10:08:46,691 INFO L226 Difference]: Without dead ends: 18932 [2020-10-14 10:08:46,721 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 [2020-10-14 10:08:46,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18932 states. [2020-10-14 10:08:47,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18932 to 18428. [2020-10-14 10:08:47,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18428 states. [2020-10-14 10:08:47,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18428 states to 18428 states and 24627 transitions. [2020-10-14 10:08:47,120 INFO L78 Accepts]: Start accepts. Automaton has 18428 states and 24627 transitions. Word has length 357 [2020-10-14 10:08:47,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:47,121 INFO L479 AbstractCegarLoop]: Abstraction has 18428 states and 24627 transitions. [2020-10-14 10:08:47,121 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:47,121 INFO L276 IsEmpty]: Start isEmpty. Operand 18428 states and 24627 transitions. [2020-10-14 10:08:47,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2020-10-14 10:08:47,153 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:47,153 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 15, 15, 15, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:08:47,153 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-14 10:08:47,154 INFO L427 AbstractCegarLoop]: === Iteration 24 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:47,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:47,154 INFO L82 PathProgramCache]: Analyzing trace with hash -13882837, now seen corresponding path program 1 times [2020-10-14 10:08:47,154 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:47,155 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [490770333] [2020-10-14 10:08:47,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:47,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:47,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:47,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:47,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:47,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:47,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:47,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:48,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:48,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:51,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:51,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 366 [2020-10-14 10:08:51,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-14 10:08:51,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4029 [2020-10-14 10:08:51,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:51,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:51,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:51,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 45 [2020-10-14 10:08:51,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 260 [2020-10-14 10:08:51,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:08:51,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:51,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:51,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:51,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:51,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:51,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:51,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:08:51,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:51,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:51,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:51,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:51,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:51,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:08:51,394 INFO L134 CoverageAnalysis]: Checked inductivity of 1580 backedges. 760 proven. 0 refuted. 0 times theorem prover too weak. 820 trivial. 0 not checked. [2020-10-14 10:08:51,394 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [490770333] [2020-10-14 10:08:51,394 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:51,395 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:51,395 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945136049] [2020-10-14 10:08:51,395 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:51,395 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:51,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:51,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:51,396 INFO L87 Difference]: Start difference. First operand 18428 states and 24627 transitions. Second operand 3 states. [2020-10-14 10:08:51,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:51,656 INFO L93 Difference]: Finished difference Result 29181 states and 38692 transitions. [2020-10-14 10:08:51,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:51,657 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 358 [2020-10-14 10:08:51,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:51,688 INFO L225 Difference]: With dead ends: 29181 [2020-10-14 10:08:51,688 INFO L226 Difference]: Without dead ends: 18835 [2020-10-14 10:08:51,704 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 [2020-10-14 10:08:51,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18835 states. [2020-10-14 10:08:52,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18835 to 18833. [2020-10-14 10:08:52,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18833 states. [2020-10-14 10:08:52,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18833 states to 18833 states and 24854 transitions. [2020-10-14 10:08:52,072 INFO L78 Accepts]: Start accepts. Automaton has 18833 states and 24854 transitions. Word has length 358 [2020-10-14 10:08:52,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:52,072 INFO L479 AbstractCegarLoop]: Abstraction has 18833 states and 24854 transitions. [2020-10-14 10:08:52,073 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:52,073 INFO L276 IsEmpty]: Start isEmpty. Operand 18833 states and 24854 transitions. [2020-10-14 10:08:52,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2020-10-14 10:08:52,098 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:52,098 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 15, 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, 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] [2020-10-14 10:08:52,098 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-14 10:08:52,099 INFO L427 AbstractCegarLoop]: === Iteration 25 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:52,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:52,100 INFO L82 PathProgramCache]: Analyzing trace with hash -2132159101, now seen corresponding path program 1 times [2020-10-14 10:08:52,100 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:52,100 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1838896455] [2020-10-14 10:08:52,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:52,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:52,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:52,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:52,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:52,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:52,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 376 [2020-10-14 10:08:52,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 10:08:52,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 719 [2020-10-14 10:08:52,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:52,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:52,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 10:08:52,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 230 [2020-10-14 10:08:52,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-14 10:08:52,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:08:52,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:52,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:52,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:52,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:52,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:52,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:52,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:08:52,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:52,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:52,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:52,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:52,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:52,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:08:52,948 INFO L134 CoverageAnalysis]: Checked inductivity of 1565 backedges. 914 proven. 5 refuted. 0 times theorem prover too weak. 646 trivial. 0 not checked. [2020-10-14 10:08:52,948 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1838896455] [2020-10-14 10:08:52,948 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 10:08:52,948 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-10-14 10:08:52,949 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856914753] [2020-10-14 10:08:52,949 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 10:08:52,949 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:52,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 10:08:52,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 10:08:52,950 INFO L87 Difference]: Start difference. First operand 18833 states and 24854 transitions. Second operand 4 states. [2020-10-14 10:08:53,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:53,560 INFO L93 Difference]: Finished difference Result 38392 states and 50185 transitions. [2020-10-14 10:08:53,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-14 10:08:53,560 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 368 [2020-10-14 10:08:53,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:53,595 INFO L225 Difference]: With dead ends: 38392 [2020-10-14 10:08:53,595 INFO L226 Difference]: Without dead ends: 22982 [2020-10-14 10:08:53,620 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 [2020-10-14 10:08:53,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22982 states. [2020-10-14 10:08:54,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22982 to 18743. [2020-10-14 10:08:54,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18743 states. [2020-10-14 10:08:54,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18743 states to 18743 states and 24548 transitions. [2020-10-14 10:08:54,231 INFO L78 Accepts]: Start accepts. Automaton has 18743 states and 24548 transitions. Word has length 368 [2020-10-14 10:08:54,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:54,232 INFO L479 AbstractCegarLoop]: Abstraction has 18743 states and 24548 transitions. [2020-10-14 10:08:54,232 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 10:08:54,232 INFO L276 IsEmpty]: Start isEmpty. Operand 18743 states and 24548 transitions. [2020-10-14 10:08:54,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2020-10-14 10:08:54,255 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:54,255 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 16, 16, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:08:54,256 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-14 10:08:54,256 INFO L427 AbstractCegarLoop]: === Iteration 26 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:54,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:54,256 INFO L82 PathProgramCache]: Analyzing trace with hash -206418833, now seen corresponding path program 1 times [2020-10-14 10:08:54,256 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:54,257 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1211441019] [2020-10-14 10:08:54,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:54,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:54,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:54,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:54,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:54,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:54,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 415 [2020-10-14 10:08:54,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 10:08:54,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 545 [2020-10-14 10:08:54,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:54,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:54,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:54,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 307 [2020-10-14 10:08:54,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 10:08:54,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:08:54,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:54,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:54,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:54,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:54,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:54,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:54,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:08:54,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:54,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:54,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:54,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:54,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:54,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:08:54,904 INFO L134 CoverageAnalysis]: Checked inductivity of 1882 backedges. 850 proven. 0 refuted. 0 times theorem prover too weak. 1032 trivial. 0 not checked. [2020-10-14 10:08:54,904 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1211441019] [2020-10-14 10:08:54,904 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:54,904 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:54,905 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253097378] [2020-10-14 10:08:54,905 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:54,905 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:54,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:54,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:54,906 INFO L87 Difference]: Start difference. First operand 18743 states and 24548 transitions. Second operand 3 states. [2020-10-14 10:08:55,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:55,207 INFO L93 Difference]: Finished difference Result 34020 states and 44087 transitions. [2020-10-14 10:08:55,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:55,207 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 407 [2020-10-14 10:08:55,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:55,221 INFO L225 Difference]: With dead ends: 34020 [2020-10-14 10:08:55,221 INFO L226 Difference]: Without dead ends: 10036 [2020-10-14 10:08:55,243 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 [2020-10-14 10:08:55,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10036 states. [2020-10-14 10:08:55,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10036 to 8332. [2020-10-14 10:08:55,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8332 states. [2020-10-14 10:08:55,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8332 states to 8332 states and 11029 transitions. [2020-10-14 10:08:55,413 INFO L78 Accepts]: Start accepts. Automaton has 8332 states and 11029 transitions. Word has length 407 [2020-10-14 10:08:55,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:55,414 INFO L479 AbstractCegarLoop]: Abstraction has 8332 states and 11029 transitions. [2020-10-14 10:08:55,414 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:55,414 INFO L276 IsEmpty]: Start isEmpty. Operand 8332 states and 11029 transitions. [2020-10-14 10:08:55,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 602 [2020-10-14 10:08:55,428 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:55,429 INFO L422 BasicCegarLoop]: trace histogram [20, 20, 20, 20, 20, 20, 20, 19, 19, 19, 19, 17, 17, 16, 16, 15, 15, 13, 13, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 8, 8, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 10:08:55,429 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-14 10:08:55,429 INFO L427 AbstractCegarLoop]: === Iteration 27 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:55,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:55,430 INFO L82 PathProgramCache]: Analyzing trace with hash 320481080, now seen corresponding path program 1 times [2020-10-14 10:08:55,430 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:55,430 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1336059937] [2020-10-14 10:08:55,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:55,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:55,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:55,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:55,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:55,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:56,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:56,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:56,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:00,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:00,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 609 [2020-10-14 10:09:00,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 10:09:00,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-14 10:09:00,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:00,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:00,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 10:09:00,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 154 [2020-10-14 10:09:00,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-14 10:09:00,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:09:00,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:09:00,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:00,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:00,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:00,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:09:00,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:09:00,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:09:00,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:00,504 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:00,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:09:00,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:09:00,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:09:00,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:09:00,755 INFO L134 CoverageAnalysis]: Checked inductivity of 3830 backedges. 1979 proven. 14 refuted. 0 times theorem prover too weak. 1837 trivial. 0 not checked. [2020-10-14 10:09:00,756 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1336059937] [2020-10-14 10:09:00,756 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 10:09:00,756 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-10-14 10:09:00,756 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897043510] [2020-10-14 10:09:00,758 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 10:09:00,758 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:09:00,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 10:09:00,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 10:09:00,760 INFO L87 Difference]: Start difference. First operand 8332 states and 11029 transitions. Second operand 4 states. [2020-10-14 10:09:01,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:09:01,032 INFO L93 Difference]: Finished difference Result 11328 states and 14899 transitions. [2020-10-14 10:09:01,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-14 10:09:01,032 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 601 [2020-10-14 10:09:01,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:09:01,033 INFO L225 Difference]: With dead ends: 11328 [2020-10-14 10:09:01,033 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 10:09:01,050 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 [2020-10-14 10:09:01,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 10:09:01,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 10:09:01,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 10:09:01,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 10:09:01,051 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 601 [2020-10-14 10:09:01,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:09:01,052 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 10:09:01,052 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 10:09:01,052 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 10:09:01,052 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 10:09:01,052 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-10-14 10:09:01,055 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 10:09:01,172 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 58 [2020-10-14 10:09:01,632 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 130 [2020-10-14 10:09:04,204 WARN L193 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 1049 DAG size of output: 176 [2020-10-14 10:09:05,253 WARN L193 SmtUtils]: Spent 998.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 190 [2020-10-14 10:09:05,412 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 127 [2020-10-14 10:09:05,845 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 100 [2020-10-14 10:09:05,985 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 28 [2020-10-14 10:09:06,111 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 28 [2020-10-14 10:09:06,564 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 25 [2020-10-14 10:09:07,364 WARN L193 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 52 [2020-10-14 10:09:07,522 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 28 [2020-10-14 10:09:09,273 WARN L193 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 188 DAG size of output: 22 [2020-10-14 10:09:09,535 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 36 [2020-10-14 10:09:09,662 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 28 [2020-10-14 10:09:10,008 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 28 [2020-10-14 10:09:10,201 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 28 [2020-10-14 10:09:10,744 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 25 [2020-10-14 10:09:11,099 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 28 [2020-10-14 10:09:11,223 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 28 [2020-10-14 10:09:11,385 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 34 [2020-10-14 10:09:11,639 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 28 [2020-10-14 10:09:11,645 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-10-14 10:09:11,645 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 10:09:11,646 INFO L264 CegarLoopResult]: At program point L201(lines 197 514) the Hoare annotation is: (let ((.cse2 (<= ssl3_connect_~blastFlag~0 2)) (.cse1 (<= ssl3_connect_~s__state~0 4560)) (.cse3 (= ssl3_connect_~s__hit~0 0)) (.cse0 (<= 4560 ssl3_connect_~s__state~0)) (.cse4 (let ((.cse6 (+ ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256))) (<= .cse6 (* 4294967296 (div .cse6 4294967296))))) (.cse5 (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 ssl3_connect_~__cil_tmp64~0))) (or (and (<= ssl3_connect_~blastFlag~0 1) .cse0) (and .cse1 .cse0 .cse2) (and .cse3 .cse0 .cse4 .cse5 (<= ssl3_connect_~blastFlag~0 3)) (and .cse3 .cse0 .cse2) (and .cse1 (<= ssl3_connect_~blastFlag~0 4) .cse3 .cse0 .cse4 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560) (<= 4560 ssl3_connect_~s__s3__tmp__next_state___0~0) .cse5))) [2020-10-14 10:09:11,646 INFO L264 CegarLoopResult]: At program point L135(lines 131 536) the Hoare annotation is: (let ((.cse2 (= ssl3_connect_~s__hit~0 0)) (.cse0 (<= 4352 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4400))) (or (and (<= ssl3_connect_~blastFlag~0 1) .cse0 .cse1) (and .cse2 (let ((.cse3 (+ ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256))) (<= .cse3 (* 4294967296 (div .cse3 4294967296)))) .cse0 (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 ssl3_connect_~__cil_tmp64~0) (<= ssl3_connect_~blastFlag~0 3) .cse1) (and .cse2 .cse0 (<= ssl3_connect_~blastFlag~0 2) .cse1))) [2020-10-14 10:09:11,647 INFO L268 CegarLoopResult]: For program point L102(lines 102 104) no Hoare annotation was computed. [2020-10-14 10:09:11,647 INFO L268 CegarLoopResult]: For program point L235(lines 235 251) no Hoare annotation was computed. [2020-10-14 10:09:11,647 INFO L268 CegarLoopResult]: For program point L235-2(lines 210 508) no Hoare annotation was computed. [2020-10-14 10:09:11,647 INFO L268 CegarLoopResult]: For program point L467(lines 467 479) no Hoare annotation was computed. [2020-10-14 10:09:11,647 INFO L268 CegarLoopResult]: For program point L434(lines 434 448) no Hoare annotation was computed. [2020-10-14 10:09:11,647 INFO L268 CegarLoopResult]: For program point L434-1(lines 434 448) no Hoare annotation was computed. [2020-10-14 10:09:11,647 INFO L268 CegarLoopResult]: For program point L467-2(lines 467 479) no Hoare annotation was computed. [2020-10-14 10:09:11,647 INFO L268 CegarLoopResult]: For program point L335(lines 335 338) no Hoare annotation was computed. [2020-10-14 10:09:11,648 INFO L268 CegarLoopResult]: For program point L269(lines 269 271) no Hoare annotation was computed. [2020-10-14 10:09:11,648 INFO L268 CegarLoopResult]: For program point L203(lines 203 512) no Hoare annotation was computed. [2020-10-14 10:09:11,648 INFO L268 CegarLoopResult]: For program point L269-2(lines 210 508) no Hoare annotation was computed. [2020-10-14 10:09:11,648 INFO L268 CegarLoopResult]: For program point L170(lines 170 523) no Hoare annotation was computed. [2020-10-14 10:09:11,648 INFO L268 CegarLoopResult]: For program point L137(lines 137 534) no Hoare annotation was computed. [2020-10-14 10:09:11,648 INFO L268 CegarLoopResult]: For program point L501(lines 501 503) no Hoare annotation was computed. [2020-10-14 10:09:11,648 INFO L264 CegarLoopResult]: At program point L204(lines 203 512) the Hoare annotation is: (let ((.cse5 (<= ssl3_connect_~blastFlag~0 2)) (.cse0 (<= ssl3_connect_~s__state~0 4352)) (.cse2 (= ssl3_connect_~s__hit~0 0)) (.cse3 (let ((.cse6 (+ ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256))) (<= .cse6 (* 4294967296 (div .cse6 4294967296))))) (.cse1 (<= 4352 ssl3_connect_~s__state~0)) (.cse4 (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 ssl3_connect_~__cil_tmp64~0))) (or (and (<= ssl3_connect_~blastFlag~0 1) .cse0 .cse1) (and .cse0 .cse2 .cse3 .cse1 .cse4 (<= ssl3_connect_~blastFlag~0 3)) (and .cse0 .cse1 .cse5 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 3)) (and .cse0 .cse2 .cse1 .cse5) (and .cse0 (<= ssl3_connect_~blastFlag~0 4) .cse2 .cse3 .cse1 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560) (<= 4560 ssl3_connect_~s__s3__tmp__next_state___0~0) .cse4))) [2020-10-14 10:09:11,649 INFO L264 CegarLoopResult]: At program point L171(lines 161 526) the Hoare annotation is: (let ((.cse2 (= ssl3_connect_~s__hit~0 0)) (.cse0 (<= ssl3_connect_~s__state~0 4480)) (.cse1 (<= 4432 ssl3_connect_~s__state~0))) (or (and (<= ssl3_connect_~blastFlag~0 1) .cse0 .cse1) (and (<= ssl3_connect_~blastFlag~0 4) .cse2 (let ((.cse3 (+ ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256))) (<= .cse3 (* 4294967296 (div .cse3 4294967296)))) .cse0 (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 ssl3_connect_~__cil_tmp64~0) .cse1) (and .cse2 .cse0 .cse1 (<= ssl3_connect_~blastFlag~0 2)))) [2020-10-14 10:09:11,649 INFO L268 CegarLoopResult]: For program point L568(lines 568 570) no Hoare annotation was computed. [2020-10-14 10:09:11,649 INFO L268 CegarLoopResult]: For program point L568-2(lines 568 570) no Hoare annotation was computed. [2020-10-14 10:09:11,649 INFO L268 CegarLoopResult]: For program point L370(lines 370 372) no Hoare annotation was computed. [2020-10-14 10:09:11,649 INFO L268 CegarLoopResult]: For program point L404(lines 404 406) no Hoare annotation was computed. [2020-10-14 10:09:11,649 INFO L268 CegarLoopResult]: For program point L206(lines 206 511) no Hoare annotation was computed. [2020-10-14 10:09:11,649 INFO L268 CegarLoopResult]: For program point L173(lines 173 522) no Hoare annotation was computed. [2020-10-14 10:09:11,649 INFO L268 CegarLoopResult]: For program point L140(lines 140 533) no Hoare annotation was computed. [2020-10-14 10:09:11,650 INFO L268 CegarLoopResult]: For program point L107-1(lines 84 574) no Hoare annotation was computed. [2020-10-14 10:09:11,650 INFO L268 CegarLoopResult]: For program point L438(lines 438 444) no Hoare annotation was computed. [2020-10-14 10:09:11,650 INFO L271 CegarLoopResult]: At program point L207(lines 206 511) the Hoare annotation is: true [2020-10-14 10:09:11,650 INFO L264 CegarLoopResult]: At program point L141(lines 137 534) the Hoare annotation is: (let ((.cse0 (= ssl3_connect_~s__hit~0 0)) (.cse1 (<= ssl3_connect_~s__state~0 4416)) (.cse2 (<= 4352 ssl3_connect_~s__state~0))) (or (and .cse0 .cse1 .cse2 (<= ssl3_connect_~blastFlag~0 2)) (and (<= ssl3_connect_~blastFlag~0 1) .cse1 .cse2) (and .cse0 .cse1 (let ((.cse3 (+ ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256))) (<= .cse3 (* 4294967296 (div .cse3 4294967296)))) .cse2 (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 ssl3_connect_~__cil_tmp64~0) (<= ssl3_connect_~blastFlag~0 3)))) [2020-10-14 10:09:11,650 INFO L268 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-14 10:09:11,650 INFO L268 CegarLoopResult]: For program point L241(lines 241 244) no Hoare annotation was computed. [2020-10-14 10:09:11,650 INFO L268 CegarLoopResult]: For program point L473(lines 473 476) no Hoare annotation was computed. [2020-10-14 10:09:11,650 INFO L271 CegarLoopResult]: At program point L209(lines 208 511) the Hoare annotation is: true [2020-10-14 10:09:11,651 INFO L268 CegarLoopResult]: For program point L176(lines 176 521) no Hoare annotation was computed. [2020-10-14 10:09:11,651 INFO L268 CegarLoopResult]: For program point L143(lines 143 532) no Hoare annotation was computed. [2020-10-14 10:09:11,651 INFO L268 CegarLoopResult]: For program point L110(lines 110 543) no Hoare annotation was computed. [2020-10-14 10:09:11,651 INFO L268 CegarLoopResult]: For program point L309(lines 309 319) no Hoare annotation was computed. [2020-10-14 10:09:11,651 INFO L268 CegarLoopResult]: For program point L309-2(lines 309 319) no Hoare annotation was computed. [2020-10-14 10:09:11,651 INFO L264 CegarLoopResult]: At program point L177(lines 173 522) the Hoare annotation is: (let ((.cse0 (= ssl3_connect_~s__hit~0 0)) (.cse1 (<= ssl3_connect_~s__state~0 4512)) (.cse2 (<= 4432 ssl3_connect_~s__state~0))) (or (and .cse0 .cse1 .cse2 (<= ssl3_connect_~blastFlag~0 2)) (and (<= ssl3_connect_~blastFlag~0 1) .cse1 .cse2) (and (<= ssl3_connect_~blastFlag~0 4) .cse0 .cse1 (let ((.cse3 (+ ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256))) (<= .cse3 (* 4294967296 (div .cse3 4294967296)))) (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 ssl3_connect_~__cil_tmp64~0) .cse2))) [2020-10-14 10:09:11,652 INFO L264 CegarLoopResult]: At program point L111(lines 110 543) the Hoare annotation is: (let ((.cse1 (= ssl3_connect_~s__hit~0 0)) (.cse0 (<= 4560 ssl3_connect_~s__state~0))) (or (and (<= ssl3_connect_~blastFlag~0 1) .cse0) (and .cse1 .cse0 (let ((.cse2 (+ ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256))) (<= .cse2 (* 4294967296 (div .cse2 4294967296)))) (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 ssl3_connect_~__cil_tmp64~0) (<= ssl3_connect_~blastFlag~0 3)) (and .cse1 .cse0 (<= ssl3_connect_~blastFlag~0 2)))) [2020-10-14 10:09:11,652 INFO L268 CegarLoopResult]: For program point L343(lines 343 345) no Hoare annotation was computed. [2020-10-14 10:09:11,652 INFO L264 CegarLoopResult]: At program point L509(lines 107 562) the Hoare annotation is: (let ((.cse6 (<= ssl3_connect_~s__state~0 4560)) (.cse7 (<= 4560 ssl3_connect_~s__state~0)) (.cse0 (<= ssl3_connect_~s__state~0 3)) (.cse8 (<= ssl3_connect_~s__state~0 4352)) (.cse9 (<= 4352 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560)) (.cse11 (<= 4560 ssl3_connect_~s__s3__tmp__next_state___0~0)) (.cse10 (<= ssl3_connect_~blastFlag~0 4)) (.cse5 (= ssl3_connect_~s__hit~0 0)) (.cse3 (let ((.cse13 (+ ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256))) (<= .cse13 (* 4294967296 (div .cse13 4294967296))))) (.cse4 (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 ssl3_connect_~__cil_tmp64~0)) (.cse12 (<= ssl3_connect_~s__state~0 4528)) (.cse2 (<= ssl3_connect_~blastFlag~0 2))) (or (and .cse0 .cse1 .cse2) (<= ssl3_connect_~blastFlag~0 1) (and .cse0 .cse3 .cse1 .cse4 (not .cse5)) (and .cse6 .cse7 .cse2) (and .cse5 .cse2) (and .cse8 .cse9 .cse2 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 3)) (and .cse5 .cse3 .cse4 (<= ssl3_connect_~blastFlag~0 3)) (and .cse6 .cse10 .cse5 .cse7 .cse3 .cse1 .cse11 .cse4) (and .cse0 .cse10 .cse3 .cse1 .cse11 .cse4) (and .cse8 .cse10 .cse5 .cse3 .cse9 .cse1 .cse11 .cse4) (and .cse10 .cse12 .cse5 .cse3 .cse4 (<= 4432 ssl3_connect_~s__state~0)) (and (<= 4512 ssl3_connect_~s__state~0) .cse12 .cse2))) [2020-10-14 10:09:11,652 INFO L268 CegarLoopResult]: For program point L410(lines 410 414) no Hoare annotation was computed. [2020-10-14 10:09:11,652 INFO L264 CegarLoopResult]: At program point L344(lines 84 574) the Hoare annotation is: false [2020-10-14 10:09:11,652 INFO L268 CegarLoopResult]: For program point L410-2(lines 210 508) no Hoare annotation was computed. [2020-10-14 10:09:11,652 INFO L268 CegarLoopResult]: For program point L179(lines 179 520) no Hoare annotation was computed. [2020-10-14 10:09:11,653 INFO L268 CegarLoopResult]: For program point L146(lines 146 531) no Hoare annotation was computed. [2020-10-14 10:09:11,653 INFO L268 CegarLoopResult]: For program point L113(lines 113 542) no Hoare annotation was computed. [2020-10-14 10:09:11,653 INFO L268 CegarLoopResult]: For program point L246(lines 246 249) no Hoare annotation was computed. [2020-10-14 10:09:11,653 INFO L264 CegarLoopResult]: At program point L147(lines 143 532) the Hoare annotation is: (let ((.cse0 (= ssl3_connect_~s__hit~0 0)) (.cse1 (<= 4352 ssl3_connect_~s__state~0)) (.cse2 (<= ssl3_connect_~s__state~0 4432))) (or (and .cse0 .cse1 .cse2 (<= ssl3_connect_~blastFlag~0 2)) (and .cse0 (let ((.cse3 (+ ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256))) (<= .cse3 (* 4294967296 (div .cse3 4294967296)))) .cse1 (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 ssl3_connect_~__cil_tmp64~0) (<= ssl3_connect_~blastFlag~0 3) .cse2) (and (<= ssl3_connect_~blastFlag~0 1) .cse1 .cse2))) [2020-10-14 10:09:11,653 INFO L268 CegarLoopResult]: For program point L544(lines 544 560) no Hoare annotation was computed. [2020-10-14 10:09:11,653 INFO L268 CegarLoopResult]: For program point L379(lines 379 381) no Hoare annotation was computed. [2020-10-14 10:09:11,653 INFO L268 CegarLoopResult]: For program point L346(lines 346 348) no Hoare annotation was computed. [2020-10-14 10:09:11,653 INFO L268 CegarLoopResult]: For program point L313(lines 313 315) no Hoare annotation was computed. [2020-10-14 10:09:11,654 INFO L268 CegarLoopResult]: For program point L280(lines 280 282) no Hoare annotation was computed. [2020-10-14 10:09:11,654 INFO L268 CegarLoopResult]: For program point L313-2(lines 311 319) no Hoare annotation was computed. [2020-10-14 10:09:11,654 INFO L268 CegarLoopResult]: For program point L545(lines 545 559) no Hoare annotation was computed. [2020-10-14 10:09:11,654 INFO L264 CegarLoopResult]: At program point L215(lines 113 542) the Hoare annotation is: (let ((.cse0 (= ssl3_connect_~s__hit~0 0))) (or (<= ssl3_connect_~blastFlag~0 1) (and .cse0 (<= ssl3_connect_~blastFlag~0 2)) (and .cse0 (let ((.cse1 (+ ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256))) (<= .cse1 (* 4294967296 (div .cse1 4294967296)))) (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 ssl3_connect_~__cil_tmp64~0) (<= ssl3_connect_~blastFlag~0 3)))) [2020-10-14 10:09:11,654 INFO L268 CegarLoopResult]: For program point L182(lines 182 519) no Hoare annotation was computed. [2020-10-14 10:09:11,654 INFO L268 CegarLoopResult]: For program point L149(lines 149 530) no Hoare annotation was computed. [2020-10-14 10:09:11,654 INFO L268 CegarLoopResult]: For program point L116(lines 116 541) no Hoare annotation was computed. [2020-10-14 10:09:11,654 INFO L268 CegarLoopResult]: For program point L546(lines 546 551) no Hoare annotation was computed. [2020-10-14 10:09:11,655 INFO L268 CegarLoopResult]: For program point L546-2(lines 545 559) no Hoare annotation was computed. [2020-10-14 10:09:11,655 INFO L264 CegarLoopResult]: At program point L183(lines 179 520) the Hoare annotation is: (let ((.cse0 (= ssl3_connect_~s__hit~0 0)) (.cse1 (<= ssl3_connect_~s__state~0 4512)) (.cse2 (<= 4432 ssl3_connect_~s__state~0))) (or (and .cse0 .cse1 .cse2 (<= ssl3_connect_~blastFlag~0 2)) (and (<= ssl3_connect_~blastFlag~0 1) .cse1 .cse2) (and (<= ssl3_connect_~blastFlag~0 4) .cse0 .cse1 (let ((.cse3 (+ ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256))) (<= .cse3 (* 4294967296 (div .cse3 4294967296)))) (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 ssl3_connect_~__cil_tmp64~0) .cse2))) [2020-10-14 10:09:11,655 INFO L271 CegarLoopResult]: At program point ssl3_connectENTRY(lines 10 575) the Hoare annotation is: true [2020-10-14 10:09:11,655 INFO L268 CegarLoopResult]: For program point L548(lines 548 550) no Hoare annotation was computed. [2020-10-14 10:09:11,655 INFO L268 CegarLoopResult]: For program point L383(lines 383 388) no Hoare annotation was computed. [2020-10-14 10:09:11,655 INFO L268 CegarLoopResult]: For program point L383-2(lines 383 388) no Hoare annotation was computed. [2020-10-14 10:09:11,655 INFO L268 CegarLoopResult]: For program point L185(lines 185 518) no Hoare annotation was computed. [2020-10-14 10:09:11,655 INFO L268 CegarLoopResult]: For program point L152(lines 152 529) no Hoare annotation was computed. [2020-10-14 10:09:11,655 INFO L268 CegarLoopResult]: For program point L119(lines 119 540) no Hoare annotation was computed. [2020-10-14 10:09:11,656 INFO L264 CegarLoopResult]: At program point L153(lines 149 530) the Hoare annotation is: (let ((.cse0 (= ssl3_connect_~s__hit~0 0)) (.cse1 (<= ssl3_connect_~s__state~0 4448)) (.cse3 (<= 4432 ssl3_connect_~s__state~0))) (or (and (<= ssl3_connect_~blastFlag~0 4) .cse0 .cse1 (let ((.cse2 (+ ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256))) (<= .cse2 (* 4294967296 (div .cse2 4294967296)))) (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 ssl3_connect_~__cil_tmp64~0) .cse3) (and (<= ssl3_connect_~blastFlag~0 1) .cse1 .cse3) (and .cse0 .cse1 .cse3 (<= ssl3_connect_~blastFlag~0 2)))) [2020-10-14 10:09:11,656 INFO L268 CegarLoopResult]: For program point L484-1(lines 484 486) no Hoare annotation was computed. [2020-10-14 10:09:11,656 INFO L268 CegarLoopResult]: For program point L220(lines 220 222) no Hoare annotation was computed. [2020-10-14 10:09:11,656 INFO L268 CegarLoopResult]: For program point L220-2(lines 220 222) no Hoare annotation was computed. [2020-10-14 10:09:11,656 INFO L268 CegarLoopResult]: For program point L419(lines 419 422) no Hoare annotation was computed. [2020-10-14 10:09:11,656 INFO L268 CegarLoopResult]: For program point L188(lines 188 517) no Hoare annotation was computed. [2020-10-14 10:09:11,656 INFO L268 CegarLoopResult]: For program point L155(lines 155 528) no Hoare annotation was computed. [2020-10-14 10:09:11,656 INFO L268 CegarLoopResult]: For program point L122(lines 122 539) no Hoare annotation was computed. [2020-10-14 10:09:11,656 INFO L268 CegarLoopResult]: For program point L288(lines 288 294) no Hoare annotation was computed. [2020-10-14 10:09:11,657 INFO L264 CegarLoopResult]: At program point L189(lines 185 518) the Hoare annotation is: (let ((.cse0 (<= 4512 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4528))) (or (and .cse0 (<= ssl3_connect_~blastFlag~0 4) .cse1 (= ssl3_connect_~s__hit~0 0) (let ((.cse2 (+ ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256))) (<= .cse2 (* 4294967296 (div .cse2 4294967296)))) (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 ssl3_connect_~__cil_tmp64~0)) (and .cse0 .cse1 (<= ssl3_connect_~blastFlag~0 2)))) [2020-10-14 10:09:11,657 INFO L268 CegarLoopResult]: For program point L553(lines 553 557) no Hoare annotation was computed. [2020-10-14 10:09:11,657 INFO L268 CegarLoopResult]: For program point L454(lines 454 456) no Hoare annotation was computed. [2020-10-14 10:09:11,657 INFO L268 CegarLoopResult]: For program point L355(lines 355 357) no Hoare annotation was computed. [2020-10-14 10:09:11,657 INFO L268 CegarLoopResult]: For program point L257(lines 257 260) no Hoare annotation was computed. [2020-10-14 10:09:11,657 INFO L268 CegarLoopResult]: For program point L191(lines 191 516) no Hoare annotation was computed. [2020-10-14 10:09:11,657 INFO L268 CegarLoopResult]: For program point L158(lines 158 527) no Hoare annotation was computed. [2020-10-14 10:09:11,657 INFO L268 CegarLoopResult]: For program point L125(lines 125 538) no Hoare annotation was computed. [2020-10-14 10:09:11,657 INFO L268 CegarLoopResult]: For program point ssl3_connectEXIT(lines 10 575) no Hoare annotation was computed. [2020-10-14 10:09:11,658 INFO L268 CegarLoopResult]: For program point L291(lines 291 293) no Hoare annotation was computed. [2020-10-14 10:09:11,658 INFO L268 CegarLoopResult]: For program point L225(lines 225 228) no Hoare annotation was computed. [2020-10-14 10:09:11,658 INFO L268 CegarLoopResult]: For program point L291-2(lines 210 508) no Hoare annotation was computed. [2020-10-14 10:09:11,658 INFO L264 CegarLoopResult]: At program point L159(lines 155 528) the Hoare annotation is: (let ((.cse0 (= ssl3_connect_~s__hit~0 0)) (.cse2 (<= 4432 ssl3_connect_~s__state~0)) (.cse3 (<= ssl3_connect_~s__state~0 4464))) (or (and (<= ssl3_connect_~blastFlag~0 4) .cse0 (let ((.cse1 (+ ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256))) (<= .cse1 (* 4294967296 (div .cse1 4294967296)))) (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 ssl3_connect_~__cil_tmp64~0) .cse2 .cse3) (and .cse0 .cse2 (<= ssl3_connect_~blastFlag~0 2) .cse3) (and (<= ssl3_connect_~blastFlag~0 1) .cse2 .cse3))) [2020-10-14 10:09:11,658 INFO L268 CegarLoopResult]: For program point L93(lines 93 99) no Hoare annotation was computed. [2020-10-14 10:09:11,658 INFO L268 CegarLoopResult]: For program point ssl3_connectFINAL(lines 10 575) no Hoare annotation was computed. [2020-10-14 10:09:11,658 INFO L268 CegarLoopResult]: For program point L490(lines 490 492) no Hoare annotation was computed. [2020-10-14 10:09:11,659 INFO L268 CegarLoopResult]: For program point L457(lines 457 461) no Hoare annotation was computed. [2020-10-14 10:09:11,659 INFO L268 CegarLoopResult]: For program point L490-2(lines 490 492) no Hoare annotation was computed. [2020-10-14 10:09:11,659 INFO L268 CegarLoopResult]: For program point L457-2(lines 457 461) no Hoare annotation was computed. [2020-10-14 10:09:11,659 INFO L268 CegarLoopResult]: For program point L358(lines 358 362) no Hoare annotation was computed. [2020-10-14 10:09:11,659 INFO L268 CegarLoopResult]: For program point L358-2(lines 358 362) no Hoare annotation was computed. [2020-10-14 10:09:11,659 INFO L268 CegarLoopResult]: For program point L194(lines 194 515) no Hoare annotation was computed. [2020-10-14 10:09:11,659 INFO L268 CegarLoopResult]: For program point L161(lines 161 526) no Hoare annotation was computed. [2020-10-14 10:09:11,659 INFO L268 CegarLoopResult]: For program point L128(lines 128 537) no Hoare annotation was computed. [2020-10-14 10:09:11,660 INFO L268 CegarLoopResult]: For program point L327(lines 327 329) no Hoare annotation was computed. [2020-10-14 10:09:11,660 INFO L268 CegarLoopResult]: For program point L327-2(lines 210 508) no Hoare annotation was computed. [2020-10-14 10:09:11,660 INFO L264 CegarLoopResult]: At program point L195(lines 191 516) the Hoare annotation is: (let ((.cse0 (<= 4512 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4560))) (or (and .cse0 (<= ssl3_connect_~blastFlag~0 4) .cse1 (= ssl3_connect_~s__hit~0 0) (let ((.cse2 (+ ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256))) (<= .cse2 (* 4294967296 (div .cse2 4294967296)))) (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 ssl3_connect_~__cil_tmp64~0)) (and .cse0 .cse1 (<= ssl3_connect_~blastFlag~0 2)))) [2020-10-14 10:09:11,660 INFO L264 CegarLoopResult]: At program point L129(lines 125 538) the Hoare annotation is: (let ((.cse2 (= ssl3_connect_~s__hit~0 0)) (.cse0 (<= 4352 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4400))) (or (and (<= ssl3_connect_~blastFlag~0 1) .cse0 .cse1) (and .cse2 (let ((.cse3 (+ ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256))) (<= .cse3 (* 4294967296 (div .cse3 4294967296)))) .cse0 (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 ssl3_connect_~__cil_tmp64~0) (<= ssl3_connect_~blastFlag~0 3) .cse1) (and .cse2 .cse0 (<= ssl3_connect_~blastFlag~0 2) .cse1))) [2020-10-14 10:09:11,660 INFO L268 CegarLoopResult]: For program point L96(lines 96 98) no Hoare annotation was computed. [2020-10-14 10:09:11,660 INFO L268 CegarLoopResult]: For program point L96-2(lines 93 99) no Hoare annotation was computed. [2020-10-14 10:09:11,661 INFO L268 CegarLoopResult]: For program point L427(lines 427 429) no Hoare annotation was computed. [2020-10-14 10:09:11,661 INFO L268 CegarLoopResult]: For program point L394(lines 394 396) no Hoare annotation was computed. [2020-10-14 10:09:11,661 INFO L268 CegarLoopResult]: For program point ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION(line 572) no Hoare annotation was computed. [2020-10-14 10:09:11,661 INFO L268 CegarLoopResult]: For program point L197(lines 197 514) no Hoare annotation was computed. [2020-10-14 10:09:11,661 INFO L268 CegarLoopResult]: For program point L164(lines 164 525) no Hoare annotation was computed. [2020-10-14 10:09:11,661 INFO L268 CegarLoopResult]: For program point L131(lines 131 536) no Hoare annotation was computed. [2020-10-14 10:09:11,661 INFO L268 CegarLoopResult]: For program point L496(lines 496 498) no Hoare annotation was computed. [2020-10-14 10:09:11,661 INFO L268 CegarLoopResult]: For program point L496-2(lines 496 498) no Hoare annotation was computed. [2020-10-14 10:09:11,662 INFO L268 CegarLoopResult]: For program point L298(lines 298 302) no Hoare annotation was computed. [2020-10-14 10:09:11,662 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 302) no Hoare annotation was computed. [2020-10-14 10:09:11,662 INFO L271 CegarLoopResult]: At program point L563(lines 106 564) the Hoare annotation is: true [2020-10-14 10:09:11,662 INFO L268 CegarLoopResult]: For program point L200(lines 200 513) no Hoare annotation was computed. [2020-10-14 10:09:11,662 INFO L268 CegarLoopResult]: For program point L167(lines 167 524) no Hoare annotation was computed. [2020-10-14 10:09:11,662 INFO L268 CegarLoopResult]: For program point L134(lines 134 535) no Hoare annotation was computed. [2020-10-14 10:09:11,662 INFO L268 CegarLoopResult]: For program point L101(lines 101 105) no Hoare annotation was computed. [2020-10-14 10:09:11,663 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 10:09:11,663 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-14 10:09:11,663 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 10:09:11,663 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 10:09:11,663 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 576 586) the Hoare annotation is: true [2020-10-14 10:09:11,663 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 576 586) no Hoare annotation was computed. [2020-10-14 10:09:11,663 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 586) no Hoare annotation was computed. [2020-10-14 10:09:11,663 INFO L271 CegarLoopResult]: At program point L582(line 582) the Hoare annotation is: true [2020-10-14 10:09:11,663 INFO L268 CegarLoopResult]: For program point L582-1(line 582) no Hoare annotation was computed. [2020-10-14 10:09:11,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 10:09:11 BoogieIcfgContainer [2020-10-14 10:09:11,708 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 10:09:11,713 INFO L168 Benchmark]: Toolchain (without parser) took 83467.14 ms. Allocated memory was 146.8 MB in the beginning and 1.9 GB in the end (delta: 1.7 GB). Free memory was 102.3 MB in the beginning and 393.9 MB in the end (delta: -291.6 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2020-10-14 10:09:11,714 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 146.8 MB. Free memory was 121.3 MB in the beginning and 120.9 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. [2020-10-14 10:09:11,714 INFO L168 Benchmark]: CACSL2BoogieTranslator took 515.11 ms. Allocated memory was 146.8 MB in the beginning and 202.4 MB in the end (delta: 55.6 MB). Free memory was 101.9 MB in the beginning and 177.4 MB in the end (delta: -75.5 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. [2020-10-14 10:09:11,715 INFO L168 Benchmark]: Boogie Preprocessor took 72.47 ms. Allocated memory is still 202.4 MB. Free memory was 177.4 MB in the beginning and 174.0 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. [2020-10-14 10:09:11,715 INFO L168 Benchmark]: RCFGBuilder took 776.84 ms. Allocated memory is still 202.4 MB. Free memory was 174.0 MB in the beginning and 126.7 MB in the end (delta: 47.3 MB). Peak memory consumption was 47.3 MB. Max. memory is 7.1 GB. [2020-10-14 10:09:11,719 INFO L168 Benchmark]: TraceAbstraction took 82095.75 ms. Allocated memory was 202.4 MB in the beginning and 1.9 GB in the end (delta: 1.7 GB). Free memory was 125.7 MB in the beginning and 393.9 MB in the end (delta: -268.2 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2020-10-14 10:09:11,725 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 146.8 MB. Free memory was 121.3 MB in the beginning and 120.9 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 515.11 ms. Allocated memory was 146.8 MB in the beginning and 202.4 MB in the end (delta: 55.6 MB). Free memory was 101.9 MB in the beginning and 177.4 MB in the end (delta: -75.5 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 72.47 ms. Allocated memory is still 202.4 MB. Free memory was 177.4 MB in the beginning and 174.0 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 776.84 ms. Allocated memory is still 202.4 MB. Free memory was 174.0 MB in the beginning and 126.7 MB in the end (delta: 47.3 MB). Peak memory consumption was 47.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 82095.75 ms. Allocated memory was 202.4 MB in the beginning and 1.9 GB in the end (delta: 1.7 GB). Free memory was 125.7 MB in the beginning and 393.9 MB in the end (delta: -268.2 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 572]: 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: 113]: Loop Invariant Derived loop invariant: (blastFlag <= 1 || (s__hit == 0 && blastFlag <= 2)) || (((s__hit == 0 && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__s3__tmp__new_cipher__algorithms == __cil_tmp64) && blastFlag <= 3) - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: ((((s__hit == 0 && s__state <= 4512) && 4432 <= s__state) && blastFlag <= 2) || ((blastFlag <= 1 && s__state <= 4512) && 4432 <= s__state)) || (((((blastFlag <= 4 && s__hit == 0) && s__state <= 4512) && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__s3__tmp__new_cipher__algorithms == __cil_tmp64) && 4432 <= s__state) - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: (((blastFlag <= 1 && 4352 <= s__state) && s__state <= 4400) || (((((s__hit == 0 && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && 4352 <= s__state) && s__s3__tmp__new_cipher__algorithms == __cil_tmp64) && blastFlag <= 3) && s__state <= 4400)) || (((s__hit == 0 && 4352 <= s__state) && blastFlag <= 2) && s__state <= 4400) - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: (((((blastFlag <= 1 && s__state <= 4352) && 4352 <= s__state) || (((((s__state <= 4352 && s__hit == 0) && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && 4352 <= s__state) && s__s3__tmp__new_cipher__algorithms == __cil_tmp64) && blastFlag <= 3)) || (((s__state <= 4352 && 4352 <= s__state) && blastFlag <= 2) && s__s3__tmp__next_state___0 <= 3)) || (((s__state <= 4352 && s__hit == 0) && 4352 <= s__state) && blastFlag <= 2)) || (((((((s__state <= 4352 && blastFlag <= 4) && s__hit == 0) && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && 4352 <= s__state) && s__s3__tmp__next_state___0 <= 4560) && 4560 <= s__s3__tmp__next_state___0) && s__s3__tmp__new_cipher__algorithms == __cil_tmp64) - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: (((blastFlag <= 1 && s__state <= 4480) && 4432 <= s__state) || (((((blastFlag <= 4 && s__hit == 0) && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__state <= 4480) && s__s3__tmp__new_cipher__algorithms == __cil_tmp64) && 4432 <= s__state)) || (((s__hit == 0 && s__state <= 4480) && 4432 <= s__state) && blastFlag <= 2) - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: ((((((blastFlag <= 4 && s__hit == 0) && s__state <= 4448) && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__s3__tmp__new_cipher__algorithms == __cil_tmp64) && 4432 <= s__state) || ((blastFlag <= 1 && s__state <= 4448) && 4432 <= s__state)) || (((s__hit == 0 && s__state <= 4448) && 4432 <= s__state) && blastFlag <= 2) - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: ((blastFlag <= 1 && 4560 <= s__state) || ((((s__hit == 0 && 4560 <= s__state) && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__s3__tmp__new_cipher__algorithms == __cil_tmp64) && blastFlag <= 3)) || ((s__hit == 0 && 4560 <= s__state) && blastFlag <= 2) - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: (((((4512 <= s__state && blastFlag <= 4) && s__state <= 4560) && s__hit == 0) && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__s3__tmp__new_cipher__algorithms == __cil_tmp64) || ((4512 <= s__state && s__state <= 4560) && blastFlag <= 2) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: ((((s__hit == 0 && s__state <= 4416) && 4352 <= s__state) && blastFlag <= 2) || ((blastFlag <= 1 && s__state <= 4416) && 4352 <= s__state)) || (((((s__hit == 0 && s__state <= 4416) && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && 4352 <= s__state) && s__s3__tmp__new_cipher__algorithms == __cil_tmp64) && blastFlag <= 3) - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: ((((s__hit == 0 && s__state <= 4512) && 4432 <= s__state) && blastFlag <= 2) || ((blastFlag <= 1 && s__state <= 4512) && 4432 <= s__state)) || (((((blastFlag <= 4 && s__hit == 0) && s__state <= 4512) && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__s3__tmp__new_cipher__algorithms == __cil_tmp64) && 4432 <= s__state) - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: (((blastFlag <= 1 && 4352 <= s__state) && s__state <= 4400) || (((((s__hit == 0 && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && 4352 <= s__state) && s__s3__tmp__new_cipher__algorithms == __cil_tmp64) && blastFlag <= 3) && s__state <= 4400)) || (((s__hit == 0 && 4352 <= s__state) && blastFlag <= 2) && s__state <= 4400) - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: ((((blastFlag <= 1 && 4560 <= s__state) || ((s__state <= 4560 && 4560 <= s__state) && blastFlag <= 2)) || ((((s__hit == 0 && 4560 <= s__state) && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__s3__tmp__new_cipher__algorithms == __cil_tmp64) && blastFlag <= 3)) || ((s__hit == 0 && 4560 <= s__state) && blastFlag <= 2)) || (((((((s__state <= 4560 && blastFlag <= 4) && s__hit == 0) && 4560 <= s__state) && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__s3__tmp__next_state___0 <= 4560) && 4560 <= s__s3__tmp__next_state___0) && s__s3__tmp__new_cipher__algorithms == __cil_tmp64) - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: ((((((blastFlag <= 4 && s__hit == 0) && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__s3__tmp__new_cipher__algorithms == __cil_tmp64) && 4432 <= s__state) && s__state <= 4464) || (((s__hit == 0 && 4432 <= s__state) && blastFlag <= 2) && s__state <= 4464)) || ((blastFlag <= 1 && 4432 <= s__state) && s__state <= 4464) - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: ((((((((((((s__state <= 3 && s__s3__tmp__next_state___0 <= 4560) && blastFlag <= 2) || blastFlag <= 1) || ((((s__state <= 3 && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__s3__tmp__next_state___0 <= 4560) && s__s3__tmp__new_cipher__algorithms == __cil_tmp64) && !(s__hit == 0))) || ((s__state <= 4560 && 4560 <= s__state) && blastFlag <= 2)) || (s__hit == 0 && blastFlag <= 2)) || (((s__state <= 4352 && 4352 <= s__state) && blastFlag <= 2) && s__s3__tmp__next_state___0 <= 3)) || (((s__hit == 0 && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__s3__tmp__new_cipher__algorithms == __cil_tmp64) && blastFlag <= 3)) || (((((((s__state <= 4560 && blastFlag <= 4) && s__hit == 0) && 4560 <= s__state) && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__s3__tmp__next_state___0 <= 4560) && 4560 <= s__s3__tmp__next_state___0) && s__s3__tmp__new_cipher__algorithms == __cil_tmp64)) || (((((s__state <= 3 && blastFlag <= 4) && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__s3__tmp__next_state___0 <= 4560) && 4560 <= s__s3__tmp__next_state___0) && s__s3__tmp__new_cipher__algorithms == __cil_tmp64)) || (((((((s__state <= 4352 && blastFlag <= 4) && s__hit == 0) && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && 4352 <= s__state) && s__s3__tmp__next_state___0 <= 4560) && 4560 <= s__s3__tmp__next_state___0) && s__s3__tmp__new_cipher__algorithms == __cil_tmp64)) || (((((blastFlag <= 4 && s__state <= 4528) && s__hit == 0) && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__s3__tmp__new_cipher__algorithms == __cil_tmp64) && 4432 <= s__state)) || ((4512 <= s__state && s__state <= 4528) && blastFlag <= 2) - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: (((((4512 <= s__state && blastFlag <= 4) && s__state <= 4528) && s__hit == 0) && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__s3__tmp__new_cipher__algorithms == __cil_tmp64) || ((4512 <= s__state && s__state <= 4528) && blastFlag <= 2) - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: ((((s__hit == 0 && 4352 <= s__state) && s__state <= 4432) && blastFlag <= 2) || (((((s__hit == 0 && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && 4352 <= s__state) && s__s3__tmp__new_cipher__algorithms == __cil_tmp64) && blastFlag <= 3) && s__state <= 4432)) || ((blastFlag <= 1 && 4352 <= s__state) && s__state <= 4432) - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 136 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 71.3s, OverallIterations: 27, TraceHistogramMax: 20, AutomataDifference: 7.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5868 SDtfs, 2872 SDslu, 3829 SDs, 0 SdLazy, 2463 SolverSat, 673 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 148 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18833occurred in iteration=24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.9s AutomataMinimizationTime, 27 MinimizatonAttempts, 17320 StatesRemovedByMinimization, 21 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 615 NumberOfFragments, 1021 HoareAnnotationTreeSize, 26 FomulaSimplifications, 11495269 FormulaSimplificationTreeSizeReduction, 4.7s HoareSimplificationTime, 26 FomulaSimplificationsInter, 6624839 FormulaSimplificationTreeSizeReductionInter, 5.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 56.7s InterpolantComputationTime, 6379 NumberOfCodeBlocks, 6379 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 6352 ConstructedInterpolants, 0 QuantifiedInterpolants, 3414335 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 23 PerfectInterpolantSequences, 23864/23896 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...