/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=NARROWEST --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_2.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 15:39:42,882 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 15:39:42,885 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 15:39:42,927 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 15:39:42,927 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 15:39:42,935 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 15:39:42,937 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 15:39:42,941 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 15:39:42,943 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 15:39:42,946 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 15:39:42,947 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 15:39:42,948 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 15:39:42,949 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 15:39:42,951 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 15:39:42,954 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 15:39:42,955 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 15:39:42,957 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 15:39:42,958 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 15:39:42,959 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 15:39:42,968 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 15:39:42,970 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 15:39:42,971 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 15:39:42,972 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 15:39:42,972 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 15:39:42,984 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 15:39:42,985 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 15:39:42,985 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 15:39:42,986 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 15:39:42,992 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 15:39:42,993 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 15:39:42,993 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 15:39:42,996 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 15:39:42,997 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 15:39:42,998 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 15:39:42,999 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 15:39:42,999 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 15:39:43,001 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 15:39:43,002 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 15:39:43,002 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 15:39:43,003 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 15:39:43,003 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 15:39:43,005 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 [2020-10-13 15:39:43,045 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 15:39:43,045 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 15:39:43,047 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 15:39:43,047 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 15:39:43,047 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 15:39:43,047 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 15:39:43,048 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 15:39:43,048 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 15:39:43,048 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 15:39:43,048 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 15:39:43,049 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 15:39:43,049 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 15:39:43,050 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 15:39:43,050 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 15:39:43,050 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 15:39:43,050 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 15:39:43,051 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 15:39:43,051 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 15:39:43,051 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 15:39:43,051 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 15:39:43,051 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 15:39:43,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 15:39:43,052 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 15:39:43,052 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 15:39:43,052 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 15:39:43,052 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 15:39:43,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 15:39:43,053 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 15:39:43,053 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 15:39:43,053 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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 15:39:43,373 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 15:39:43,391 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 15:39:43,394 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 15:39:43,396 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 15:39:43,397 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 15:39:43,397 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh-simplified/s3_clnt_2.cil-2.c [2020-10-13 15:39:43,465 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/063702251/9379d86d8d95455da6b0964c7b6b2cd1/FLAG0cb99b3bb [2020-10-13 15:39:43,974 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 15:39:43,975 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ssh-simplified/s3_clnt_2.cil-2.c [2020-10-13 15:39:43,992 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/063702251/9379d86d8d95455da6b0964c7b6b2cd1/FLAG0cb99b3bb [2020-10-13 15:39:44,318 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/063702251/9379d86d8d95455da6b0964c7b6b2cd1 [2020-10-13 15:39:44,326 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 15:39:44,328 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 15:39:44,329 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 15:39:44,329 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 15:39:44,333 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 15:39:44,334 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:39:44" (1/1) ... [2020-10-13 15:39:44,336 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7205a42a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:39:44, skipping insertion in model container [2020-10-13 15:39:44,337 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:39:44" (1/1) ... [2020-10-13 15:39:44,344 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 15:39:44,384 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 15:39:44,599 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 15:39:44,603 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 15:39:44,761 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 15:39:44,776 INFO L208 MainTranslator]: Completed translation [2020-10-13 15:39:44,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:39:44 WrapperNode [2020-10-13 15:39:44,777 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 15:39:44,778 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 15:39:44,778 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 15:39:44,778 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 15:39:44,796 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:39:44" (1/1) ... [2020-10-13 15:39:44,796 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:39:44" (1/1) ... [2020-10-13 15:39:44,806 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:39:44" (1/1) ... [2020-10-13 15:39:44,808 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:39:44" (1/1) ... [2020-10-13 15:39:44,820 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:39:44" (1/1) ... [2020-10-13 15:39:44,832 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:39:44" (1/1) ... [2020-10-13 15:39:44,835 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:39:44" (1/1) ... [2020-10-13 15:39:44,839 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 15:39:44,840 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 15:39:44,840 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 15:39:44,840 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 15:39:44,841 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:39:44" (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 [2020-10-13 15:39:44,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 15:39:44,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 15:39:44,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2020-10-13 15:39:44,907 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 15:39:44,907 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 15:39:44,907 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-13 15:39:44,907 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 15:39:44,908 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-13 15:39:44,908 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2020-10-13 15:39:44,908 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 15:39:44,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 15:39:44,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 15:39:45,077 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-13 15:39:45,545 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2020-10-13 15:39:45,546 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2020-10-13 15:39:45,565 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 15:39:45,566 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-13 15:39:45,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:39:45 BoogieIcfgContainer [2020-10-13 15:39:45,577 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 15:39:45,578 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 15:39:45,579 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 15:39:45,583 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 15:39:45,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 03:39:44" (1/3) ... [2020-10-13 15:39:45,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7329ae24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:39:45, skipping insertion in model container [2020-10-13 15:39:45,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:39:44" (2/3) ... [2020-10-13 15:39:45,586 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7329ae24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:39:45, skipping insertion in model container [2020-10-13 15:39:45,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:39:45" (3/3) ... [2020-10-13 15:39:45,596 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_clnt_2.cil-2.c [2020-10-13 15:39:45,609 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 15:39:45,621 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 15:39:45,638 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 15:39:45,674 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 15:39:45,675 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 15:39:45,675 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 15:39:45,675 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 15:39:45,675 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 15:39:45,676 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 15:39:45,676 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 15:39:45,676 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 15:39:45,707 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states. [2020-10-13 15:39:45,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-13 15:39:45,722 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:39:45,724 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] [2020-10-13 15:39:45,725 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:39:45,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:39:45,733 INFO L82 PathProgramCache]: Analyzing trace with hash 173387410, now seen corresponding path program 1 times [2020-10-13 15:39:45,743 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:39:45,743 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [573382957] [2020-10-13 15:39:45,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:39:45,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:39:45,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:46,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:46,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:46,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:39:46,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-13 15:39:46,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 15:39:46,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 567 [2020-10-13 15:39:46,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:39:46,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:39:46,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 15:39:46,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 15:39:46,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 15:39:46,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:39:46,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:39:46,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:46,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:39:46,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:39:46,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:39:46,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:39:46,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:39:46,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:39:46,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:39:46,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:39:46,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:39:46,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:39:46,635 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [573382957] [2020-10-13 15:39:46,637 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:39:46,637 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-13 15:39:46,638 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804487654] [2020-10-13 15:39:46,645 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 15:39:46,645 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:39:46,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 15:39:46,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-13 15:39:46,663 INFO L87 Difference]: Start difference. First operand 136 states. Second operand 5 states. [2020-10-13 15:39:46,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:39:46,891 INFO L93 Difference]: Finished difference Result 263 states and 438 transitions. [2020-10-13 15:39:46,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 15:39:46,894 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2020-10-13 15:39:46,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:39:46,906 INFO L225 Difference]: With dead ends: 263 [2020-10-13 15:39:46,907 INFO L226 Difference]: Without dead ends: 120 [2020-10-13 15:39:46,911 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-13 15:39:46,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-10-13 15:39:46,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2020-10-13 15:39:46,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-10-13 15:39:46,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 177 transitions. [2020-10-13 15:39:46,961 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 177 transitions. Word has length 29 [2020-10-13 15:39:46,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:39:46,961 INFO L479 AbstractCegarLoop]: Abstraction has 120 states and 177 transitions. [2020-10-13 15:39:46,961 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 15:39:46,962 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 177 transitions. [2020-10-13 15:39:46,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-13 15:39:46,963 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:39:46,964 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:39:46,964 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 15:39:46,964 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:39:46,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:39:46,965 INFO L82 PathProgramCache]: Analyzing trace with hash -1901611800, now seen corresponding path program 1 times [2020-10-13 15:39:46,965 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:39:46,966 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1836677458] [2020-10-13 15:39:46,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:39:46,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:39:47,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:47,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:47,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:47,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:39:47,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-13 15:39:47,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 15:39:47,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 180 [2020-10-13 15:39:47,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:39:47,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:39:47,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-13 15:39:47,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 15:39:47,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:39:47,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:39:47,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:39:47,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:47,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:39:47,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:39:47,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:39:47,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:39:47,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:39:47,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:39:47,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:39:47,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:39:47,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:39:47,224 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:39:47,224 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1836677458] [2020-10-13 15:39:47,225 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:39:47,225 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 15:39:47,225 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441421296] [2020-10-13 15:39:47,227 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 15:39:47,227 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:39:47,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 15:39:47,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 15:39:47,228 INFO L87 Difference]: Start difference. First operand 120 states and 177 transitions. Second operand 3 states. [2020-10-13 15:39:47,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:39:47,372 INFO L93 Difference]: Finished difference Result 244 states and 367 transitions. [2020-10-13 15:39:47,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 15:39:47,373 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 42 [2020-10-13 15:39:47,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:39:47,375 INFO L225 Difference]: With dead ends: 244 [2020-10-13 15:39:47,375 INFO L226 Difference]: Without dead ends: 139 [2020-10-13 15:39:47,377 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 [2020-10-13 15:39:47,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-10-13 15:39:47,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 135. [2020-10-13 15:39:47,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-10-13 15:39:47,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 197 transitions. [2020-10-13 15:39:47,392 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 197 transitions. Word has length 42 [2020-10-13 15:39:47,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:39:47,392 INFO L479 AbstractCegarLoop]: Abstraction has 135 states and 197 transitions. [2020-10-13 15:39:47,393 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 15:39:47,393 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 197 transitions. [2020-10-13 15:39:47,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-13 15:39:47,395 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:39:47,395 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:39:47,395 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 15:39:47,396 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:39:47,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:39:47,396 INFO L82 PathProgramCache]: Analyzing trace with hash 907172913, now seen corresponding path program 1 times [2020-10-13 15:39:47,396 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:39:47,397 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [392231444] [2020-10-13 15:39:47,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:39:47,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:39:47,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:47,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:47,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:47,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:39:47,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-13 15:39:47,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 15:39:47,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 216 [2020-10-13 15:39:47,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:39:47,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:39:47,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-13 15:39:47,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 15:39:47,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:39:47,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:39:47,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:39:47,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:47,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:39:47,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:39:47,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:39:47,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:39:47,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:39:47,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:39:47,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:39:47,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:39:47,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:39:47,701 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 15:39:47,702 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [392231444] [2020-10-13 15:39:47,702 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:39:47,702 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 15:39:47,703 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966572061] [2020-10-13 15:39:47,704 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 15:39:47,704 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:39:47,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 15:39:47,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 15:39:47,706 INFO L87 Difference]: Start difference. First operand 135 states and 197 transitions. Second operand 3 states. [2020-10-13 15:39:47,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:39:47,885 INFO L93 Difference]: Finished difference Result 276 states and 411 transitions. [2020-10-13 15:39:47,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 15:39:47,886 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2020-10-13 15:39:47,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:39:47,889 INFO L225 Difference]: With dead ends: 276 [2020-10-13 15:39:47,889 INFO L226 Difference]: Without dead ends: 156 [2020-10-13 15:39:47,892 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 [2020-10-13 15:39:47,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2020-10-13 15:39:47,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 152. [2020-10-13 15:39:47,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2020-10-13 15:39:47,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 219 transitions. [2020-10-13 15:39:47,920 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 219 transitions. Word has length 56 [2020-10-13 15:39:47,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:39:47,920 INFO L479 AbstractCegarLoop]: Abstraction has 152 states and 219 transitions. [2020-10-13 15:39:47,920 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 15:39:47,921 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 219 transitions. [2020-10-13 15:39:47,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-10-13 15:39:47,925 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:39:47,925 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:39:47,925 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 15:39:47,926 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:39:47,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:39:47,926 INFO L82 PathProgramCache]: Analyzing trace with hash -274979038, now seen corresponding path program 1 times [2020-10-13 15:39:47,927 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:39:47,927 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2083841543] [2020-10-13 15:39:47,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:39:47,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:39:47,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:48,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:48,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:39:48,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-13 15:39:48,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 15:39:48,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 186 [2020-10-13 15:39:48,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:39:48,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:39:48,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-13 15:39:48,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-13 15:39:48,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:39:48,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:39:48,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:39:48,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:48,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:39:48,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:39:48,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:39:48,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:39:48,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:39:48,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:39:48,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:39:48,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:39:48,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:39:48,189 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-13 15:39:48,189 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2083841543] [2020-10-13 15:39:48,190 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:39:48,190 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 15:39:48,190 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957965959] [2020-10-13 15:39:48,191 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 15:39:48,191 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:39:48,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 15:39:48,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 15:39:48,191 INFO L87 Difference]: Start difference. First operand 152 states and 219 transitions. Second operand 3 states. [2020-10-13 15:39:48,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:39:48,390 INFO L93 Difference]: Finished difference Result 340 states and 508 transitions. [2020-10-13 15:39:48,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 15:39:48,391 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2020-10-13 15:39:48,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:39:48,393 INFO L225 Difference]: With dead ends: 340 [2020-10-13 15:39:48,393 INFO L226 Difference]: Without dead ends: 202 [2020-10-13 15:39:48,394 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 [2020-10-13 15:39:48,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2020-10-13 15:39:48,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 193. [2020-10-13 15:39:48,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2020-10-13 15:39:48,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 269 transitions. [2020-10-13 15:39:48,407 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 269 transitions. Word has length 73 [2020-10-13 15:39:48,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:39:48,408 INFO L479 AbstractCegarLoop]: Abstraction has 193 states and 269 transitions. [2020-10-13 15:39:48,408 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 15:39:48,409 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 269 transitions. [2020-10-13 15:39:48,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-10-13 15:39:48,411 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:39:48,411 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:39:48,412 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 15:39:48,412 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:39:48,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:39:48,413 INFO L82 PathProgramCache]: Analyzing trace with hash -2080417372, now seen corresponding path program 1 times [2020-10-13 15:39:48,413 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:39:48,413 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [747308192] [2020-10-13 15:39:48,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:39:48,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:39:48,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:48,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:48,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:48,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:39:48,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-13 15:39:48,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 15:39:48,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 194 [2020-10-13 15:39:48,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:39:48,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:39:48,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-13 15:39:48,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 15:39:48,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:39:48,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:39:48,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:39:48,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:48,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:39:48,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:39:48,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:39:48,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:39:48,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:39:48,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:39:48,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:39:48,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:39:48,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:39:48,673 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-13 15:39:48,673 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [747308192] [2020-10-13 15:39:48,673 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:39:48,673 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 15:39:48,674 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513001291] [2020-10-13 15:39:48,674 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 15:39:48,674 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:39:48,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 15:39:48,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 15:39:48,675 INFO L87 Difference]: Start difference. First operand 193 states and 269 transitions. Second operand 3 states. [2020-10-13 15:39:48,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:39:48,809 INFO L93 Difference]: Finished difference Result 395 states and 560 transitions. [2020-10-13 15:39:48,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 15:39:48,810 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2020-10-13 15:39:48,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:39:48,812 INFO L225 Difference]: With dead ends: 395 [2020-10-13 15:39:48,812 INFO L226 Difference]: Without dead ends: 217 [2020-10-13 15:39:48,814 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 [2020-10-13 15:39:48,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2020-10-13 15:39:48,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 212. [2020-10-13 15:39:48,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2020-10-13 15:39:48,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 293 transitions. [2020-10-13 15:39:48,824 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 293 transitions. Word has length 73 [2020-10-13 15:39:48,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:39:48,825 INFO L479 AbstractCegarLoop]: Abstraction has 212 states and 293 transitions. [2020-10-13 15:39:48,825 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 15:39:48,825 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 293 transitions. [2020-10-13 15:39:48,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-13 15:39:48,827 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:39:48,827 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:39:48,827 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 15:39:48,827 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:39:48,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:39:48,828 INFO L82 PathProgramCache]: Analyzing trace with hash -1460189827, now seen corresponding path program 1 times [2020-10-13 15:39:48,828 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:39:48,828 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1926697034] [2020-10-13 15:39:48,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:39:48,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:39:48,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:48,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:48,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:49,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:39:49,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-13 15:39:49,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 15:39:49,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 230 [2020-10-13 15:39:49,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:39:49,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:39:49,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 76 [2020-10-13 15:39:49,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 15:39:49,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:39:49,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:39:49,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:39:49,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:49,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:39:49,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:39:49,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:39:49,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:39:49,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:39:49,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:39:49,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:39:49,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:39:49,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:39:49,159 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-10-13 15:39:49,159 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1926697034] [2020-10-13 15:39:49,161 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:39:49,161 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 15:39:49,162 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663773382] [2020-10-13 15:39:49,163 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 15:39:49,163 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:39:49,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 15:39:49,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 15:39:49,164 INFO L87 Difference]: Start difference. First operand 212 states and 293 transitions. Second operand 3 states. [2020-10-13 15:39:49,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:39:49,302 INFO L93 Difference]: Finished difference Result 433 states and 609 transitions. [2020-10-13 15:39:49,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 15:39:49,302 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 90 [2020-10-13 15:39:49,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:39:49,306 INFO L225 Difference]: With dead ends: 433 [2020-10-13 15:39:49,306 INFO L226 Difference]: Without dead ends: 236 [2020-10-13 15:39:49,307 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 [2020-10-13 15:39:49,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-10-13 15:39:49,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 233. [2020-10-13 15:39:49,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-10-13 15:39:49,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 319 transitions. [2020-10-13 15:39:49,322 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 319 transitions. Word has length 90 [2020-10-13 15:39:49,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:39:49,325 INFO L479 AbstractCegarLoop]: Abstraction has 233 states and 319 transitions. [2020-10-13 15:39:49,325 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 15:39:49,325 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 319 transitions. [2020-10-13 15:39:49,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-10-13 15:39:49,330 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:39:49,331 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:39:49,331 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 15:39:49,339 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:39:49,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:39:49,339 INFO L82 PathProgramCache]: Analyzing trace with hash -1133024459, now seen corresponding path program 1 times [2020-10-13 15:39:49,340 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:39:49,340 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [661716875] [2020-10-13 15:39:49,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:39:49,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:39:49,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:49,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:49,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:39:49,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-13 15:39:49,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 15:39:49,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 149 [2020-10-13 15:39:49,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:39:49,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:39:49,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 94 [2020-10-13 15:39:49,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-13 15:39:49,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:39:49,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:39:49,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:39:49,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:49,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:39:49,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:39:49,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:39:49,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:39:49,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:39:49,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:39:49,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:39:49,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:39:49,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:39:49,588 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2020-10-13 15:39:49,588 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [661716875] [2020-10-13 15:39:49,588 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:39:49,589 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 15:39:49,589 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241542407] [2020-10-13 15:39:49,589 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 15:39:49,590 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:39:49,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 15:39:49,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 15:39:49,590 INFO L87 Difference]: Start difference. First operand 233 states and 319 transitions. Second operand 3 states. [2020-10-13 15:39:49,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:39:49,635 INFO L93 Difference]: Finished difference Result 451 states and 619 transitions. [2020-10-13 15:39:49,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 15:39:49,636 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 110 [2020-10-13 15:39:49,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:39:49,640 INFO L225 Difference]: With dead ends: 451 [2020-10-13 15:39:49,640 INFO L226 Difference]: Without dead ends: 449 [2020-10-13 15:39:49,641 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 [2020-10-13 15:39:49,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2020-10-13 15:39:49,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 449. [2020-10-13 15:39:49,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 449 states. [2020-10-13 15:39:49,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 617 transitions. [2020-10-13 15:39:49,657 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 617 transitions. Word has length 110 [2020-10-13 15:39:49,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:39:49,657 INFO L479 AbstractCegarLoop]: Abstraction has 449 states and 617 transitions. [2020-10-13 15:39:49,658 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 15:39:49,658 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 617 transitions. [2020-10-13 15:39:49,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-13 15:39:49,660 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:39:49,660 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:39:49,660 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 15:39:49,660 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:39:49,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:39:49,661 INFO L82 PathProgramCache]: Analyzing trace with hash -214273628, now seen corresponding path program 1 times [2020-10-13 15:39:49,661 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:39:49,661 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1690923698] [2020-10-13 15:39:49,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:39:49,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:39:49,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:49,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:49,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:39:49,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-13 15:39:49,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 15:39:49,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 178 [2020-10-13 15:39:49,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:39:49,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:39:49,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 15:39:49,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-13 15:39:49,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:39:49,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:39:49,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:39:49,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:49,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:39:49,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:39:49,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:39:49,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:39:49,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:39:49,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:39:49,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:39:49,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:39:49,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:39:49,895 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-10-13 15:39:49,896 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1690923698] [2020-10-13 15:39:49,896 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:39:49,897 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 15:39:49,897 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314422734] [2020-10-13 15:39:49,897 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 15:39:49,898 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:39:49,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 15:39:49,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 15:39:49,898 INFO L87 Difference]: Start difference. First operand 449 states and 617 transitions. Second operand 3 states. [2020-10-13 15:39:49,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:39:49,925 INFO L93 Difference]: Finished difference Result 910 states and 1250 transitions. [2020-10-13 15:39:49,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 15:39:49,925 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 111 [2020-10-13 15:39:49,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:39:49,928 INFO L225 Difference]: With dead ends: 910 [2020-10-13 15:39:49,928 INFO L226 Difference]: Without dead ends: 476 [2020-10-13 15:39:49,930 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 [2020-10-13 15:39:49,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2020-10-13 15:39:49,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 476. [2020-10-13 15:39:49,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 476 states. [2020-10-13 15:39:49,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 651 transitions. [2020-10-13 15:39:49,945 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 651 transitions. Word has length 111 [2020-10-13 15:39:49,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:39:49,946 INFO L479 AbstractCegarLoop]: Abstraction has 476 states and 651 transitions. [2020-10-13 15:39:49,946 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 15:39:49,946 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 651 transitions. [2020-10-13 15:39:49,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-10-13 15:39:49,948 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:39:49,948 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 7, 7, 7, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:39:49,948 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 15:39:49,948 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:39:49,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:39:49,949 INFO L82 PathProgramCache]: Analyzing trace with hash 1723688500, now seen corresponding path program 1 times [2020-10-13 15:39:49,949 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:39:49,949 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [901297655] [2020-10-13 15:39:49,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:39:49,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:39:49,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:50,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:50,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:50,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:39:50,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-10-13 15:39:50,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 15:39:50,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 379 [2020-10-13 15:39:50,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:39:50,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:39:50,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-13 15:39:50,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:39:50,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:39:50,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:39:50,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:39:50,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:50,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:39:50,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:39:50,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:39:50,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:39:50,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:39:50,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:39:50,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:39:50,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:39:50,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:39:50,428 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2020-10-13 15:39:50,432 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [901297655] [2020-10-13 15:39:50,433 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:39:50,433 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 15:39:50,434 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174544364] [2020-10-13 15:39:50,434 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 15:39:50,434 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:39:50,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 15:39:50,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 15:39:50,435 INFO L87 Difference]: Start difference. First operand 476 states and 651 transitions. Second operand 3 states. [2020-10-13 15:39:50,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:39:50,613 INFO L93 Difference]: Finished difference Result 1016 states and 1433 transitions. [2020-10-13 15:39:50,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 15:39:50,613 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 155 [2020-10-13 15:39:50,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:39:50,616 INFO L225 Difference]: With dead ends: 1016 [2020-10-13 15:39:50,616 INFO L226 Difference]: Without dead ends: 580 [2020-10-13 15:39:50,617 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 [2020-10-13 15:39:50,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2020-10-13 15:39:50,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 554. [2020-10-13 15:39:50,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 554 states. [2020-10-13 15:39:50,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 785 transitions. [2020-10-13 15:39:50,638 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 785 transitions. Word has length 155 [2020-10-13 15:39:50,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:39:50,639 INFO L479 AbstractCegarLoop]: Abstraction has 554 states and 785 transitions. [2020-10-13 15:39:50,639 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 15:39:50,639 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 785 transitions. [2020-10-13 15:39:50,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-10-13 15:39:50,641 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:39:50,642 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:39:50,642 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 15:39:50,642 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:39:50,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:39:50,642 INFO L82 PathProgramCache]: Analyzing trace with hash -1493595273, now seen corresponding path program 1 times [2020-10-13 15:39:50,643 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:39:50,643 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1018978002] [2020-10-13 15:39:50,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:39:50,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:39:50,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:50,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:50,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:39:50,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-10-13 15:39:50,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 15:39:50,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 290 [2020-10-13 15:39:50,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:39:50,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:39:50,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 95 [2020-10-13 15:39:50,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 15:39:50,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:39:51,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:39:51,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:39:51,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:51,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:39:51,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:39:51,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:39:51,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:39:51,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:39:51,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:39:51,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:39:51,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:39:51,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:39:51,049 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 311 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2020-10-13 15:39:51,050 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1018978002] [2020-10-13 15:39:51,050 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:39:51,050 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 15:39:51,050 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571323755] [2020-10-13 15:39:51,051 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 15:39:51,051 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:39:51,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 15:39:51,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 15:39:51,052 INFO L87 Difference]: Start difference. First operand 554 states and 785 transitions. Second operand 3 states. [2020-10-13 15:39:51,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:39:51,236 INFO L93 Difference]: Finished difference Result 1168 states and 1687 transitions. [2020-10-13 15:39:51,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 15:39:51,236 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 179 [2020-10-13 15:39:51,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:39:51,240 INFO L225 Difference]: With dead ends: 1168 [2020-10-13 15:39:51,240 INFO L226 Difference]: Without dead ends: 652 [2020-10-13 15:39:51,242 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 [2020-10-13 15:39:51,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 652 states. [2020-10-13 15:39:51,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 652 to 632. [2020-10-13 15:39:51,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 632 states. [2020-10-13 15:39:51,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 905 transitions. [2020-10-13 15:39:51,264 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 905 transitions. Word has length 179 [2020-10-13 15:39:51,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:39:51,265 INFO L479 AbstractCegarLoop]: Abstraction has 632 states and 905 transitions. [2020-10-13 15:39:51,265 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 15:39:51,265 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 905 transitions. [2020-10-13 15:39:51,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-10-13 15:39:51,267 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:39:51,268 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 6, 6, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:39:51,268 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 15:39:51,268 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:39:51,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:39:51,269 INFO L82 PathProgramCache]: Analyzing trace with hash 1218779134, now seen corresponding path program 1 times [2020-10-13 15:39:51,269 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:39:51,269 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [945573842] [2020-10-13 15:39:51,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:39:51,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:39:51,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:51,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:51,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:51,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:51,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:39:51,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 188 [2020-10-13 15:39:51,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 15:39:51,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 569 [2020-10-13 15:39:51,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:39:51,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:39:51,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-13 15:39:51,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 15:39:51,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:39:51,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:39:51,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:39:51,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:51,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:39:51,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:39:51,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:39:51,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:39:51,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:39:51,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:39:51,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:39:51,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:39:51,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:39:51,923 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 242 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2020-10-13 15:39:51,924 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [945573842] [2020-10-13 15:39:51,924 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:39:51,924 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 15:39:51,924 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178813277] [2020-10-13 15:39:51,925 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 15:39:51,925 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:39:51,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 15:39:51,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 15:39:51,926 INFO L87 Difference]: Start difference. First operand 632 states and 905 transitions. Second operand 3 states. [2020-10-13 15:39:52,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:39:52,116 INFO L93 Difference]: Finished difference Result 1306 states and 1905 transitions. [2020-10-13 15:39:52,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 15:39:52,116 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 180 [2020-10-13 15:39:52,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:39:52,121 INFO L225 Difference]: With dead ends: 1306 [2020-10-13 15:39:52,121 INFO L226 Difference]: Without dead ends: 630 [2020-10-13 15:39:52,124 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 [2020-10-13 15:39:52,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2020-10-13 15:39:52,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 630. [2020-10-13 15:39:52,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 630 states. [2020-10-13 15:39:52,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 630 states and 899 transitions. [2020-10-13 15:39:52,146 INFO L78 Accepts]: Start accepts. Automaton has 630 states and 899 transitions. Word has length 180 [2020-10-13 15:39:52,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:39:52,147 INFO L479 AbstractCegarLoop]: Abstraction has 630 states and 899 transitions. [2020-10-13 15:39:52,147 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 15:39:52,147 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 899 transitions. [2020-10-13 15:39:52,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2020-10-13 15:39:52,150 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:39:52,150 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:39:52,151 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 15:39:52,151 INFO L427 AbstractCegarLoop]: === Iteration 12 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:39:52,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:39:52,151 INFO L82 PathProgramCache]: Analyzing trace with hash 895793670, now seen corresponding path program 1 times [2020-10-13 15:39:52,152 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:39:52,152 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2135561894] [2020-10-13 15:39:52,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:39:52,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:39:52,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:52,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:52,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:52,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:52,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:39:52,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 223 [2020-10-13 15:39:52,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 15:39:52,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 790 [2020-10-13 15:39:52,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:39:52,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:39:52,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 130 [2020-10-13 15:39:52,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 15:39:52,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:39:53,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:39:53,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:39:53,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:53,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:39:53,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:39:53,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:39:53,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:39:53,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:39:53,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:39:53,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:39:53,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:39:53,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:39:53,045 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 381 proven. 0 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2020-10-13 15:39:53,045 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2135561894] [2020-10-13 15:39:53,045 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:39:53,045 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 15:39:53,046 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408685401] [2020-10-13 15:39:53,046 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 15:39:53,046 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:39:53,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 15:39:53,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 15:39:53,047 INFO L87 Difference]: Start difference. First operand 630 states and 899 transitions. Second operand 3 states. [2020-10-13 15:39:53,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:39:53,233 INFO L93 Difference]: Finished difference Result 1238 states and 1769 transitions. [2020-10-13 15:39:53,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 15:39:53,234 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 215 [2020-10-13 15:39:53,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:39:53,238 INFO L225 Difference]: With dead ends: 1238 [2020-10-13 15:39:53,238 INFO L226 Difference]: Without dead ends: 650 [2020-10-13 15:39:53,240 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 [2020-10-13 15:39:53,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2020-10-13 15:39:53,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 630. [2020-10-13 15:39:53,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 630 states. [2020-10-13 15:39:53,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 630 states and 849 transitions. [2020-10-13 15:39:53,261 INFO L78 Accepts]: Start accepts. Automaton has 630 states and 849 transitions. Word has length 215 [2020-10-13 15:39:53,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:39:53,261 INFO L479 AbstractCegarLoop]: Abstraction has 630 states and 849 transitions. [2020-10-13 15:39:53,261 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 15:39:53,262 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 849 transitions. [2020-10-13 15:39:53,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2020-10-13 15:39:53,266 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:39:53,266 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 10, 10, 10, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:39:53,266 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-13 15:39:53,266 INFO L427 AbstractCegarLoop]: === Iteration 13 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:39:53,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:39:53,267 INFO L82 PathProgramCache]: Analyzing trace with hash -220989148, now seen corresponding path program 1 times [2020-10-13 15:39:53,267 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:39:53,267 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2072908615] [2020-10-13 15:39:53,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:39:53,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:39:53,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:53,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:53,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:53,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:54,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:39:54,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-13 15:39:54,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 15:39:54,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 846 [2020-10-13 15:39:54,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:39:54,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:39:54,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 130 [2020-10-13 15:39:54,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 15:39:54,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:39:54,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:39:54,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:39:54,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:54,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:39:54,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:39:54,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:39:54,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:39:54,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:39:54,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:39:54,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:39:54,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:39:54,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:39:54,258 INFO L134 CoverageAnalysis]: Checked inductivity of 676 backedges. 421 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2020-10-13 15:39:54,259 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2072908615] [2020-10-13 15:39:54,259 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:39:54,260 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 15:39:54,260 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255174927] [2020-10-13 15:39:54,261 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 15:39:54,261 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:39:54,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 15:39:54,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 15:39:54,262 INFO L87 Difference]: Start difference. First operand 630 states and 849 transitions. Second operand 3 states. [2020-10-13 15:39:54,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:39:54,507 INFO L93 Difference]: Finished difference Result 1238 states and 1669 transitions. [2020-10-13 15:39:54,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 15:39:54,508 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 229 [2020-10-13 15:39:54,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:39:54,513 INFO L225 Difference]: With dead ends: 1238 [2020-10-13 15:39:54,514 INFO L226 Difference]: Without dead ends: 650 [2020-10-13 15:39:54,516 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 [2020-10-13 15:39:54,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2020-10-13 15:39:54,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 630. [2020-10-13 15:39:54,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 630 states. [2020-10-13 15:39:54,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 630 states and 845 transitions. [2020-10-13 15:39:54,545 INFO L78 Accepts]: Start accepts. Automaton has 630 states and 845 transitions. Word has length 229 [2020-10-13 15:39:54,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:39:54,546 INFO L479 AbstractCegarLoop]: Abstraction has 630 states and 845 transitions. [2020-10-13 15:39:54,546 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 15:39:54,546 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 845 transitions. [2020-10-13 15:39:54,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2020-10-13 15:39:54,553 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:39:54,554 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:39:54,554 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-13 15:39:54,554 INFO L427 AbstractCegarLoop]: === Iteration 14 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:39:54,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:39:54,555 INFO L82 PathProgramCache]: Analyzing trace with hash 414319618, now seen corresponding path program 1 times [2020-10-13 15:39:54,555 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:39:54,556 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1103187685] [2020-10-13 15:39:54,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:39:54,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:39:54,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:54,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:54,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:54,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:55,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:39:55,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 262 [2020-10-13 15:39:55,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 15:39:55,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 948 [2020-10-13 15:39:55,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:39:55,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:39:55,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 95 [2020-10-13 15:39:55,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-13 15:39:55,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:39:55,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:39:55,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:39:55,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:55,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:39:55,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:39:55,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:39:55,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:39:55,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:39:55,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:39:55,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:39:55,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:39:55,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:39:55,715 INFO L134 CoverageAnalysis]: Checked inductivity of 753 backedges. 469 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2020-10-13 15:39:55,715 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1103187685] [2020-10-13 15:39:55,716 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:39:55,716 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 15:39:55,716 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920794124] [2020-10-13 15:39:55,717 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 15:39:55,717 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:39:55,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 15:39:55,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 15:39:55,718 INFO L87 Difference]: Start difference. First operand 630 states and 845 transitions. Second operand 3 states. [2020-10-13 15:39:55,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:39:55,846 INFO L93 Difference]: Finished difference Result 1272 states and 1703 transitions. [2020-10-13 15:39:55,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 15:39:55,846 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 254 [2020-10-13 15:39:55,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:39:55,850 INFO L225 Difference]: With dead ends: 1272 [2020-10-13 15:39:55,850 INFO L226 Difference]: Without dead ends: 684 [2020-10-13 15:39:55,852 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 [2020-10-13 15:39:55,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 684 states. [2020-10-13 15:39:55,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 684 to 676. [2020-10-13 15:39:55,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 676 states. [2020-10-13 15:39:55,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 676 states and 901 transitions. [2020-10-13 15:39:55,872 INFO L78 Accepts]: Start accepts. Automaton has 676 states and 901 transitions. Word has length 254 [2020-10-13 15:39:55,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:39:55,873 INFO L479 AbstractCegarLoop]: Abstraction has 676 states and 901 transitions. [2020-10-13 15:39:55,873 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 15:39:55,873 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 901 transitions. [2020-10-13 15:39:55,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-10-13 15:39:55,877 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:39:55,877 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 8, 8, 6, 6, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:39:55,878 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-13 15:39:55,878 INFO L427 AbstractCegarLoop]: === Iteration 15 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:39:55,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:39:55,878 INFO L82 PathProgramCache]: Analyzing trace with hash 18355865, now seen corresponding path program 1 times [2020-10-13 15:39:55,879 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:39:55,879 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1450424805] [2020-10-13 15:39:55,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:39:55,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:39:55,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:55,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:56,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:56,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:56,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:56,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:56,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:56,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:57,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:39:57,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 263 [2020-10-13 15:39:57,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 15:39:57,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1106 [2020-10-13 15:39:57,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:39:57,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:39:57,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-13 15:39:57,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-13 15:39:57,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:39:57,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:39:57,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:39:57,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:57,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:39:57,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:39:57,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:39:57,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:39:57,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:39:57,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:39:57,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:39:57,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:39:57,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:39:57,105 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 418 proven. 0 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2020-10-13 15:39:57,106 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1450424805] [2020-10-13 15:39:57,106 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:39:57,106 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 15:39:57,107 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18827718] [2020-10-13 15:39:57,107 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 15:39:57,107 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:39:57,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 15:39:57,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 15:39:57,108 INFO L87 Difference]: Start difference. First operand 676 states and 901 transitions. Second operand 3 states. [2020-10-13 15:39:57,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:39:57,340 INFO L93 Difference]: Finished difference Result 1386 states and 1861 transitions. [2020-10-13 15:39:57,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 15:39:57,340 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 255 [2020-10-13 15:39:57,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:39:57,346 INFO L225 Difference]: With dead ends: 1386 [2020-10-13 15:39:57,347 INFO L226 Difference]: Without dead ends: 752 [2020-10-13 15:39:57,352 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 [2020-10-13 15:39:57,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 752 states. [2020-10-13 15:39:57,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 752 to 748. [2020-10-13 15:39:57,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 748 states. [2020-10-13 15:39:57,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 748 states and 983 transitions. [2020-10-13 15:39:57,396 INFO L78 Accepts]: Start accepts. Automaton has 748 states and 983 transitions. Word has length 255 [2020-10-13 15:39:57,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:39:57,397 INFO L479 AbstractCegarLoop]: Abstraction has 748 states and 983 transitions. [2020-10-13 15:39:57,397 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 15:39:57,397 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 983 transitions. [2020-10-13 15:39:57,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2020-10-13 15:39:57,406 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:39:57,406 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:39:57,407 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-13 15:39:57,407 INFO L427 AbstractCegarLoop]: === Iteration 16 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:39:57,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:39:57,408 INFO L82 PathProgramCache]: Analyzing trace with hash 1899755463, now seen corresponding path program 1 times [2020-10-13 15:39:57,408 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:39:57,409 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1171595568] [2020-10-13 15:39:57,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:39:57,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:39:57,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:57,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:57,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:57,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:58,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:39:58,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 283 [2020-10-13 15:39:58,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 15:39:58,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1366 [2020-10-13 15:39:58,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:39:58,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:39:58,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-13 15:39:58,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 15:39:58,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:39:58,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:39:58,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:39:58,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:58,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:39:58,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:39:58,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:39:58,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:39:58,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:39:58,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:39:58,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:39:58,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:39:58,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:39:58,936 INFO L134 CoverageAnalysis]: Checked inductivity of 916 backedges. 579 proven. 0 refuted. 0 times theorem prover too weak. 337 trivial. 0 not checked. [2020-10-13 15:39:58,936 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1171595568] [2020-10-13 15:39:58,939 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:39:58,940 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 15:39:58,940 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192193163] [2020-10-13 15:39:58,940 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 15:39:58,941 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:39:58,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 15:39:58,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 15:39:58,941 INFO L87 Difference]: Start difference. First operand 748 states and 983 transitions. Second operand 3 states. [2020-10-13 15:39:59,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:39:59,087 INFO L93 Difference]: Finished difference Result 1510 states and 1987 transitions. [2020-10-13 15:39:59,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 15:39:59,088 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 275 [2020-10-13 15:39:59,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:39:59,093 INFO L225 Difference]: With dead ends: 1510 [2020-10-13 15:39:59,093 INFO L226 Difference]: Without dead ends: 804 [2020-10-13 15:39:59,096 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 [2020-10-13 15:39:59,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 804 states. [2020-10-13 15:39:59,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 804 to 798. [2020-10-13 15:39:59,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 798 states. [2020-10-13 15:39:59,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 798 states and 1043 transitions. [2020-10-13 15:39:59,123 INFO L78 Accepts]: Start accepts. Automaton has 798 states and 1043 transitions. Word has length 275 [2020-10-13 15:39:59,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:39:59,124 INFO L479 AbstractCegarLoop]: Abstraction has 798 states and 1043 transitions. [2020-10-13 15:39:59,124 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 15:39:59,124 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 1043 transitions. [2020-10-13 15:39:59,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2020-10-13 15:39:59,129 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:39:59,130 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 9, 9, 7, 7, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:39:59,130 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-13 15:39:59,130 INFO L427 AbstractCegarLoop]: === Iteration 17 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:39:59,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:39:59,131 INFO L82 PathProgramCache]: Analyzing trace with hash -2076425931, now seen corresponding path program 1 times [2020-10-13 15:39:59,131 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:39:59,131 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2069725158] [2020-10-13 15:39:59,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:39:59,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:39:59,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:59,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:59,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:59,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:59,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:39:59,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:00,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:40:00,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 298 [2020-10-13 15:40:00,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 15:40:00,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1081 [2020-10-13 15:40:00,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:40:00,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 15:40:00,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 167 [2020-10-13 15:40:00,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-13 15:40:00,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:40:00,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:40:00,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:40:00,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:00,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:40:00,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:40:00,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:40:00,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:40:00,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:40:00,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:40:00,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:40:00,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:40:00,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:40:00,373 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 563 proven. 10 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2020-10-13 15:40:00,373 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2069725158] [2020-10-13 15:40:00,374 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 15:40:00,374 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-10-13 15:40:00,374 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897534414] [2020-10-13 15:40:00,375 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 15:40:00,375 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:40:00,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 15:40:00,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 15:40:00,376 INFO L87 Difference]: Start difference. First operand 798 states and 1043 transitions. Second operand 4 states. [2020-10-13 15:40:00,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:40:00,737 INFO L93 Difference]: Finished difference Result 2350 states and 3071 transitions. [2020-10-13 15:40:00,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 15:40:00,737 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 290 [2020-10-13 15:40:00,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:40:00,746 INFO L225 Difference]: With dead ends: 2350 [2020-10-13 15:40:00,746 INFO L226 Difference]: Without dead ends: 1592 [2020-10-13 15:40:00,750 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 [2020-10-13 15:40:00,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1592 states. [2020-10-13 15:40:00,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1592 to 970. [2020-10-13 15:40:00,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 970 states. [2020-10-13 15:40:00,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 970 states and 1245 transitions. [2020-10-13 15:40:00,799 INFO L78 Accepts]: Start accepts. Automaton has 970 states and 1245 transitions. Word has length 290 [2020-10-13 15:40:00,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:40:00,800 INFO L479 AbstractCegarLoop]: Abstraction has 970 states and 1245 transitions. [2020-10-13 15:40:00,800 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 15:40:00,800 INFO L276 IsEmpty]: Start isEmpty. Operand 970 states and 1245 transitions. [2020-10-13 15:40:00,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2020-10-13 15:40:00,809 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:40:00,809 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 9, 9, 7, 7, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:40:00,810 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-13 15:40:00,810 INFO L427 AbstractCegarLoop]: === Iteration 18 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:40:00,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:40:00,810 INFO L82 PathProgramCache]: Analyzing trace with hash -1742814602, now seen corresponding path program 1 times [2020-10-13 15:40:00,811 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:40:00,811 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [645372640] [2020-10-13 15:40:00,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:40:00,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:40:00,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:00,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:01,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:01,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:01,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:01,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:40:01,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 299 [2020-10-13 15:40:01,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 15:40:01,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 857 [2020-10-13 15:40:01,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:40:01,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 15:40:01,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 167 [2020-10-13 15:40:01,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-13 15:40:01,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:40:01,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:40:01,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:40:01,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:01,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:40:01,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:40:01,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:40:01,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:40:01,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:40:01,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:40:01,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:40:01,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:40:01,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:40:01,813 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 563 proven. 10 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2020-10-13 15:40:01,813 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [645372640] [2020-10-13 15:40:01,813 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 15:40:01,814 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-10-13 15:40:01,816 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128854518] [2020-10-13 15:40:01,818 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 15:40:01,818 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:40:01,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 15:40:01,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 15:40:01,819 INFO L87 Difference]: Start difference. First operand 970 states and 1245 transitions. Second operand 4 states. [2020-10-13 15:40:02,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:40:02,053 INFO L93 Difference]: Finished difference Result 1900 states and 2439 transitions. [2020-10-13 15:40:02,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-13 15:40:02,053 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 291 [2020-10-13 15:40:02,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:40:02,058 INFO L225 Difference]: With dead ends: 1900 [2020-10-13 15:40:02,058 INFO L226 Difference]: Without dead ends: 796 [2020-10-13 15:40:02,061 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 [2020-10-13 15:40:02,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 796 states. [2020-10-13 15:40:02,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 796 to 796. [2020-10-13 15:40:02,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 796 states. [2020-10-13 15:40:02,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 796 states and 985 transitions. [2020-10-13 15:40:02,086 INFO L78 Accepts]: Start accepts. Automaton has 796 states and 985 transitions. Word has length 291 [2020-10-13 15:40:02,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:40:02,086 INFO L479 AbstractCegarLoop]: Abstraction has 796 states and 985 transitions. [2020-10-13 15:40:02,086 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 15:40:02,086 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 985 transitions. [2020-10-13 15:40:02,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2020-10-13 15:40:02,091 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:40:02,091 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 11, 11, 11, 11, 11, 9, 9, 7, 7, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:40:02,092 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-13 15:40:02,092 INFO L427 AbstractCegarLoop]: === Iteration 19 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:40:02,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:40:02,092 INFO L82 PathProgramCache]: Analyzing trace with hash 2131223177, now seen corresponding path program 2 times [2020-10-13 15:40:02,092 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:40:02,093 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1516551483] [2020-10-13 15:40:02,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:40:02,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:40:02,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:02,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:02,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:02,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:02,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:02,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:03,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:40:03,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 311 [2020-10-13 15:40:03,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 15:40:03,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 886 [2020-10-13 15:40:03,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:40:03,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 15:40:03,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 167 [2020-10-13 15:40:03,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-13 15:40:03,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:40:03,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:40:03,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:40:03,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:03,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:40:03,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:40:03,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:40:03,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:40:03,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:40:03,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:40:03,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:40:03,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:40:03,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:40:03,121 INFO L134 CoverageAnalysis]: Checked inductivity of 902 backedges. 594 proven. 5 refuted. 0 times theorem prover too weak. 303 trivial. 0 not checked. [2020-10-13 15:40:03,122 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1516551483] [2020-10-13 15:40:03,122 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 15:40:03,122 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-10-13 15:40:03,122 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873833275] [2020-10-13 15:40:03,123 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 15:40:03,123 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:40:03,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 15:40:03,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 15:40:03,124 INFO L87 Difference]: Start difference. First operand 796 states and 985 transitions. Second operand 4 states. [2020-10-13 15:40:03,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:40:03,329 INFO L93 Difference]: Finished difference Result 1271 states and 1574 transitions. [2020-10-13 15:40:03,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-13 15:40:03,329 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 303 [2020-10-13 15:40:03,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:40:03,330 INFO L225 Difference]: With dead ends: 1271 [2020-10-13 15:40:03,331 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 15:40:03,334 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 [2020-10-13 15:40:03,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 15:40:03,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 15:40:03,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 15:40:03,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 15:40:03,335 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 303 [2020-10-13 15:40:03,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:40:03,335 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 15:40:03,335 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 15:40:03,336 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 15:40:03,336 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 15:40:03,336 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-13 15:40:03,339 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 15:40:03,739 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 41 [2020-10-13 15:40:04,091 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-10-13 15:40:04,091 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 15:40:04,091 INFO L264 CegarLoopResult]: At program point L168(lines 164 498) the Hoare annotation is: (or (not (<= 12292 |ssl3_connect_#in~initial_state|)) (not (<= |ssl3_connect_#in~initial_state| 12292)) (and (<= ssl3_connect_~blastFlag~0 4) (<= ssl3_connect_~s__state~0 4560) (<= 4432 ssl3_connect_~s__state~0))) [2020-10-13 15:40:04,092 INFO L264 CegarLoopResult]: At program point L102(lines 101 519) the Hoare annotation is: (or (not (<= 12292 |ssl3_connect_#in~initial_state|)) (not (<= |ssl3_connect_#in~initial_state| 12292)) (and (= ssl3_connect_~blastFlag~0 0) (<= 12292 ssl3_connect_~s__state~0) (<= ssl3_connect_~s__state~0 12292))) [2020-10-13 15:40:04,092 INFO L268 CegarLoopResult]: For program point L466(lines 466 468) no Hoare annotation was computed. [2020-10-13 15:40:04,092 INFO L268 CegarLoopResult]: For program point L466-2(lines 466 468) no Hoare annotation was computed. [2020-10-13 15:40:04,093 INFO L268 CegarLoopResult]: For program point L434(lines 434 438) no Hoare annotation was computed. [2020-10-13 15:40:04,093 INFO L268 CegarLoopResult]: For program point L434-2(lines 434 438) no Hoare annotation was computed. [2020-10-13 15:40:04,093 INFO L268 CegarLoopResult]: For program point L335(lines 335 339) no Hoare annotation was computed. [2020-10-13 15:40:04,093 INFO L268 CegarLoopResult]: For program point L269(lines 269 271) no Hoare annotation was computed. [2020-10-13 15:40:04,093 INFO L268 CegarLoopResult]: For program point L335-2(lines 335 339) no Hoare annotation was computed. [2020-10-13 15:40:04,093 INFO L268 CegarLoopResult]: For program point L269-2(lines 201 484) no Hoare annotation was computed. [2020-10-13 15:40:04,093 INFO L268 CegarLoopResult]: For program point L170(lines 170 496) no Hoare annotation was computed. [2020-10-13 15:40:04,094 INFO L268 CegarLoopResult]: For program point L137(lines 137 507) no Hoare annotation was computed. [2020-10-13 15:40:04,094 INFO L268 CegarLoopResult]: For program point L104(lines 104 518) no Hoare annotation was computed. [2020-10-13 15:40:04,094 INFO L264 CegarLoopResult]: At program point L138(lines 134 508) the Hoare annotation is: (or (not (<= 12292 |ssl3_connect_#in~initial_state|)) (not (<= |ssl3_connect_#in~initial_state| 12292)) (and (<= ssl3_connect_~s__state~0 4560) (<= ssl3_connect_~blastFlag~0 4) (<= 4352 ssl3_connect_~s__state~0))) [2020-10-13 15:40:04,094 INFO L268 CegarLoopResult]: For program point L304(lines 304 306) no Hoare annotation was computed. [2020-10-13 15:40:04,094 INFO L268 CegarLoopResult]: For program point L238(lines 238 241) no Hoare annotation was computed. [2020-10-13 15:40:04,094 INFO L268 CegarLoopResult]: For program point L304-2(lines 201 484) no Hoare annotation was computed. [2020-10-13 15:40:04,096 INFO L268 CegarLoopResult]: For program point L404(lines 404 406) no Hoare annotation was computed. [2020-10-13 15:40:04,096 INFO L268 CegarLoopResult]: For program point L371(lines 371 373) no Hoare annotation was computed. [2020-10-13 15:40:04,096 INFO L264 CegarLoopResult]: At program point L206(lines 104 518) the Hoare annotation is: (or (not (<= 12292 |ssl3_connect_#in~initial_state|)) (not (<= |ssl3_connect_#in~initial_state| 12292)) (and (= ssl3_connect_~blastFlag~0 0) (<= ssl3_connect_~s__state~0 4352))) [2020-10-13 15:40:04,096 INFO L268 CegarLoopResult]: For program point L173(lines 173 495) no Hoare annotation was computed. [2020-10-13 15:40:04,096 INFO L268 CegarLoopResult]: For program point L140(lines 140 506) no Hoare annotation was computed. [2020-10-13 15:40:04,098 INFO L268 CegarLoopResult]: For program point L107(lines 107 517) no Hoare annotation was computed. [2020-10-13 15:40:04,098 INFO L264 CegarLoopResult]: At program point L174(lines 170 496) the Hoare annotation is: (or (not (<= 12292 |ssl3_connect_#in~initial_state|)) (not (<= |ssl3_connect_#in~initial_state| 12292)) (and (<= ssl3_connect_~blastFlag~0 4) (<= ssl3_connect_~s__state~0 4560) (<= 4432 ssl3_connect_~s__state~0))) [2020-10-13 15:40:04,098 INFO L268 CegarLoopResult]: For program point L472(lines 472 474) no Hoare annotation was computed. [2020-10-13 15:40:04,098 INFO L268 CegarLoopResult]: For program point L472-2(lines 472 474) no Hoare annotation was computed. [2020-10-13 15:40:04,098 INFO L271 CegarLoopResult]: At program point L539(lines 97 540) the Hoare annotation is: true [2020-10-13 15:40:04,098 INFO L268 CegarLoopResult]: For program point L275(lines 275 279) no Hoare annotation was computed. [2020-10-13 15:40:04,099 INFO L268 CegarLoopResult]: For program point L275-2(lines 275 279) no Hoare annotation was computed. [2020-10-13 15:40:04,099 INFO L268 CegarLoopResult]: For program point L176(lines 176 494) no Hoare annotation was computed. [2020-10-13 15:40:04,099 INFO L268 CegarLoopResult]: For program point L143(lines 143 505) no Hoare annotation was computed. [2020-10-13 15:40:04,099 INFO L268 CegarLoopResult]: For program point L110(lines 110 516) no Hoare annotation was computed. [2020-10-13 15:40:04,099 INFO L264 CegarLoopResult]: At program point L144(lines 140 506) the Hoare annotation is: (or (not (<= 12292 |ssl3_connect_#in~initial_state|)) (not (<= |ssl3_connect_#in~initial_state| 12292)) (and (<= ssl3_connect_~s__state~0 4560) (<= ssl3_connect_~blastFlag~0 4) (<= 4432 ssl3_connect_~s__state~0))) [2020-10-13 15:40:04,099 INFO L268 CegarLoopResult]: For program point L211(lines 211 213) no Hoare annotation was computed. [2020-10-13 15:40:04,099 INFO L268 CegarLoopResult]: For program point L211-2(lines 211 213) no Hoare annotation was computed. [2020-10-13 15:40:04,099 INFO L268 CegarLoopResult]: For program point L179(lines 179 493) no Hoare annotation was computed. [2020-10-13 15:40:04,100 INFO L268 CegarLoopResult]: For program point L146(lines 146 504) no Hoare annotation was computed. [2020-10-13 15:40:04,100 INFO L268 CegarLoopResult]: For program point L113(lines 113 515) no Hoare annotation was computed. [2020-10-13 15:40:04,100 INFO L268 CegarLoopResult]: For program point L477(lines 477 479) no Hoare annotation was computed. [2020-10-13 15:40:04,101 INFO L268 CegarLoopResult]: For program point L444(lines 444 455) no Hoare annotation was computed. [2020-10-13 15:40:04,101 INFO L268 CegarLoopResult]: For program point L411(lines 411 425) no Hoare annotation was computed. [2020-10-13 15:40:04,101 INFO L268 CegarLoopResult]: For program point L411-1(lines 411 425) no Hoare annotation was computed. [2020-10-13 15:40:04,101 INFO L268 CegarLoopResult]: For program point L444-2(lines 444 455) no Hoare annotation was computed. [2020-10-13 15:40:04,101 INFO L268 CegarLoopResult]: For program point L312(lines 312 315) no Hoare annotation was computed. [2020-10-13 15:40:04,101 INFO L264 CegarLoopResult]: At program point L180(lines 176 494) the Hoare annotation is: (or (not (<= 12292 |ssl3_connect_#in~initial_state|)) (not (<= |ssl3_connect_#in~initial_state| 12292)) (and (<= ssl3_connect_~s__state~0 4560) (<= ssl3_connect_~blastFlag~0 4) (<= 4432 ssl3_connect_~s__state~0))) [2020-10-13 15:40:04,101 INFO L268 CegarLoopResult]: For program point L544(lines 544 546) no Hoare annotation was computed. [2020-10-13 15:40:04,102 INFO L268 CegarLoopResult]: For program point L544-2(lines 544 546) no Hoare annotation was computed. [2020-10-13 15:40:04,102 INFO L268 CegarLoopResult]: For program point L347(lines 347 349) no Hoare annotation was computed. [2020-10-13 15:40:04,102 INFO L268 CegarLoopResult]: For program point L182(lines 182 492) no Hoare annotation was computed. [2020-10-13 15:40:04,102 INFO L268 CegarLoopResult]: For program point L149(lines 149 503) no Hoare annotation was computed. [2020-10-13 15:40:04,102 INFO L268 CegarLoopResult]: For program point L116(lines 116 514) no Hoare annotation was computed. [2020-10-13 15:40:04,102 INFO L268 CegarLoopResult]: For program point L381(lines 381 383) no Hoare annotation was computed. [2020-10-13 15:40:04,102 INFO L268 CegarLoopResult]: For program point L216(lines 216 219) no Hoare annotation was computed. [2020-10-13 15:40:04,102 INFO L264 CegarLoopResult]: At program point L150(lines 146 504) the Hoare annotation is: (or (not (<= 12292 |ssl3_connect_#in~initial_state|)) (not (<= |ssl3_connect_#in~initial_state| 12292)) (and (<= ssl3_connect_~s__state~0 4560) (<= ssl3_connect_~blastFlag~0 4) (<= 4432 ssl3_connect_~s__state~0))) [2020-10-13 15:40:04,103 INFO L268 CegarLoopResult]: For program point L84(lines 84 90) no Hoare annotation was computed. [2020-10-13 15:40:04,103 INFO L271 CegarLoopResult]: At program point ssl3_connectENTRY(lines 10 551) the Hoare annotation is: true [2020-10-13 15:40:04,103 INFO L268 CegarLoopResult]: For program point L415(lines 415 421) no Hoare annotation was computed. [2020-10-13 15:40:04,103 INFO L268 CegarLoopResult]: For program point L250(lines 250 256) no Hoare annotation was computed. [2020-10-13 15:40:04,103 INFO L268 CegarLoopResult]: For program point L449(lines 449 452) no Hoare annotation was computed. [2020-10-13 15:40:04,104 INFO L268 CegarLoopResult]: For program point L185(lines 185 491) no Hoare annotation was computed. [2020-10-13 15:40:04,104 INFO L268 CegarLoopResult]: For program point L152(lines 152 502) no Hoare annotation was computed. [2020-10-13 15:40:04,104 INFO L268 CegarLoopResult]: For program point L119(lines 119 513) no Hoare annotation was computed. [2020-10-13 15:40:04,104 INFO L264 CegarLoopResult]: At program point L186(lines 182 492) the Hoare annotation is: (or (not (<= 12292 |ssl3_connect_#in~initial_state|)) (not (<= |ssl3_connect_#in~initial_state| 12292)) (and (<= ssl3_connect_~blastFlag~0 4) (<= ssl3_connect_~s__state~0 4560) (<= 4432 ssl3_connect_~s__state~0))) [2020-10-13 15:40:04,105 INFO L264 CegarLoopResult]: At program point L120(lines 116 514) the Hoare annotation is: (or (not (<= 12292 |ssl3_connect_#in~initial_state|)) (not (<= |ssl3_connect_#in~initial_state| 12292)) (and (= ssl3_connect_~blastFlag~0 0) (<= ssl3_connect_~s__state~0 4560) (<= 4352 ssl3_connect_~s__state~0))) [2020-10-13 15:40:04,105 INFO L268 CegarLoopResult]: For program point L87(lines 87 89) no Hoare annotation was computed. [2020-10-13 15:40:04,105 INFO L268 CegarLoopResult]: For program point L87-2(lines 84 90) no Hoare annotation was computed. [2020-10-13 15:40:04,105 INFO L268 CegarLoopResult]: For program point L286(lines 286 296) no Hoare annotation was computed. [2020-10-13 15:40:04,105 INFO L268 CegarLoopResult]: For program point L253(lines 253 255) no Hoare annotation was computed. [2020-10-13 15:40:04,105 INFO L268 CegarLoopResult]: For program point L286-2(lines 286 296) no Hoare annotation was computed. [2020-10-13 15:40:04,105 INFO L268 CegarLoopResult]: For program point L253-2(lines 201 484) no Hoare annotation was computed. [2020-10-13 15:40:04,106 INFO L264 CegarLoopResult]: At program point L485(lines 98 538) the Hoare annotation is: (let ((.cse0 (<= ssl3_connect_~s__state~0 4352)) (.cse1 (<= 4352 ssl3_connect_~s__state~0)) (.cse2 (<= ssl3_connect_~blastFlag~0 4))) (or (and (= ssl3_connect_~blastFlag~0 0) (= ssl3_connect_~s__state~0 4368)) (not (<= |ssl3_connect_#in~initial_state| 12292)) (and .cse0 .cse1 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 3)) (not (<= 12292 |ssl3_connect_#in~initial_state|)) (<= ssl3_connect_~s__state~0 3) (and .cse2 (= ssl3_connect_~s__state~0 4384)) (and .cse2 (<= ssl3_connect_~s__state~0 4560) (<= 4432 ssl3_connect_~s__state~0)) (and .cse0 .cse2 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse1 (<= 4560 ssl3_connect_~s__s3__tmp__next_state___0~0)) (and (= 4400 ssl3_connect_~s__state~0) .cse2) (and .cse2 (= ssl3_connect_~s__state~0 4416)))) [2020-10-13 15:40:04,106 INFO L268 CegarLoopResult]: For program point L320(lines 320 322) no Hoare annotation was computed. [2020-10-13 15:40:04,106 INFO L268 CegarLoopResult]: For program point L188(lines 188 490) no Hoare annotation was computed. [2020-10-13 15:40:04,106 INFO L268 CegarLoopResult]: For program point L155(lines 155 501) no Hoare annotation was computed. [2020-10-13 15:40:04,106 INFO L268 CegarLoopResult]: For program point L122(lines 122 512) no Hoare annotation was computed. [2020-10-13 15:40:04,106 INFO L268 CegarLoopResult]: For program point L387(lines 387 391) no Hoare annotation was computed. [2020-10-13 15:40:04,106 INFO L264 CegarLoopResult]: At program point L321(lines 75 550) the Hoare annotation is: (or (not (<= 12292 |ssl3_connect_#in~initial_state|)) (not (<= |ssl3_connect_#in~initial_state| 12292))) [2020-10-13 15:40:04,107 INFO L268 CegarLoopResult]: For program point L387-2(lines 201 484) no Hoare annotation was computed. [2020-10-13 15:40:04,107 INFO L268 CegarLoopResult]: For program point L222(lines 222 233) no Hoare annotation was computed. [2020-10-13 15:40:04,107 INFO L268 CegarLoopResult]: For program point L222-2(lines 201 484) no Hoare annotation was computed. [2020-10-13 15:40:04,107 INFO L268 CegarLoopResult]: For program point L520(lines 520 536) no Hoare annotation was computed. [2020-10-13 15:40:04,107 INFO L268 CegarLoopResult]: For program point L521(lines 521 535) no Hoare annotation was computed. [2020-10-13 15:40:04,107 INFO L268 CegarLoopResult]: For program point L356(lines 356 358) no Hoare annotation was computed. [2020-10-13 15:40:04,107 INFO L268 CegarLoopResult]: For program point L323(lines 323 325) no Hoare annotation was computed. [2020-10-13 15:40:04,107 INFO L268 CegarLoopResult]: For program point L290(lines 290 292) no Hoare annotation was computed. [2020-10-13 15:40:04,108 INFO L268 CegarLoopResult]: For program point L224(lines 224 227) no Hoare annotation was computed. [2020-10-13 15:40:04,108 INFO L268 CegarLoopResult]: For program point L290-2(lines 288 296) no Hoare annotation was computed. [2020-10-13 15:40:04,108 INFO L268 CegarLoopResult]: For program point L191(lines 191 489) no Hoare annotation was computed. [2020-10-13 15:40:04,109 INFO L268 CegarLoopResult]: For program point L158(lines 158 500) no Hoare annotation was computed. [2020-10-13 15:40:04,109 INFO L268 CegarLoopResult]: For program point L125(lines 125 511) no Hoare annotation was computed. [2020-10-13 15:40:04,109 INFO L268 CegarLoopResult]: For program point L92(lines 92 96) no Hoare annotation was computed. [2020-10-13 15:40:04,109 INFO L268 CegarLoopResult]: For program point ssl3_connectEXIT(lines 10 551) no Hoare annotation was computed. [2020-10-13 15:40:04,109 INFO L268 CegarLoopResult]: For program point L522(lines 522 527) no Hoare annotation was computed. [2020-10-13 15:40:04,109 INFO L268 CegarLoopResult]: For program point L522-2(lines 521 535) no Hoare annotation was computed. [2020-10-13 15:40:04,110 INFO L264 CegarLoopResult]: At program point L192(lines 188 490) the Hoare annotation is: (or (and (<= ssl3_connect_~s__state~0 4560) (<= ssl3_connect_~blastFlag~0 4) (<= 4560 ssl3_connect_~s__state~0)) (not (<= 12292 |ssl3_connect_#in~initial_state|)) (not (<= |ssl3_connect_#in~initial_state| 12292))) [2020-10-13 15:40:04,110 INFO L264 CegarLoopResult]: At program point L126(lines 122 512) the Hoare annotation is: (or (not (<= 12292 |ssl3_connect_#in~initial_state|)) (not (<= |ssl3_connect_#in~initial_state| 12292)) (and (<= ssl3_connect_~s__state~0 4560) (<= ssl3_connect_~blastFlag~0 4) (<= 4352 ssl3_connect_~s__state~0))) [2020-10-13 15:40:04,110 INFO L268 CegarLoopResult]: For program point L93(lines 93 95) no Hoare annotation was computed. [2020-10-13 15:40:04,110 INFO L268 CegarLoopResult]: For program point ssl3_connectFINAL(lines 10 551) no Hoare annotation was computed. [2020-10-13 15:40:04,110 INFO L268 CegarLoopResult]: For program point L524(lines 524 526) no Hoare annotation was computed. [2020-10-13 15:40:04,110 INFO L268 CegarLoopResult]: For program point L194(lines 194 488) no Hoare annotation was computed. [2020-10-13 15:40:04,110 INFO L268 CegarLoopResult]: For program point L161(lines 161 499) no Hoare annotation was computed. [2020-10-13 15:40:04,110 INFO L268 CegarLoopResult]: For program point L128(lines 128 510) no Hoare annotation was computed. [2020-10-13 15:40:04,111 INFO L268 CegarLoopResult]: For program point L360(lines 360 365) no Hoare annotation was computed. [2020-10-13 15:40:04,111 INFO L268 CegarLoopResult]: For program point L360-2(lines 360 365) no Hoare annotation was computed. [2020-10-13 15:40:04,111 INFO L268 CegarLoopResult]: For program point L228(lines 228 231) no Hoare annotation was computed. [2020-10-13 15:40:04,111 INFO L264 CegarLoopResult]: At program point L195(lines 194 488) the Hoare annotation is: (let ((.cse0 (<= ssl3_connect_~s__state~0 4352)) (.cse1 (<= 4352 ssl3_connect_~s__state~0))) (or (not (<= 12292 |ssl3_connect_#in~initial_state|)) (not (<= |ssl3_connect_#in~initial_state| 12292)) (and .cse0 .cse1 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 3)) (and .cse0 (<= ssl3_connect_~blastFlag~0 4) (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse1 (<= 4560 ssl3_connect_~s__s3__tmp__next_state___0~0)))) [2020-10-13 15:40:04,111 INFO L264 CegarLoopResult]: At program point L162(lines 152 502) the Hoare annotation is: (or (not (<= 12292 |ssl3_connect_#in~initial_state|)) (not (<= |ssl3_connect_#in~initial_state| 12292)) (and (<= ssl3_connect_~blastFlag~0 4) (<= ssl3_connect_~s__state~0 4560) (<= 4432 ssl3_connect_~s__state~0))) [2020-10-13 15:40:04,111 INFO L268 CegarLoopResult]: For program point L460-1(lines 460 462) no Hoare annotation was computed. [2020-10-13 15:40:04,111 INFO L268 CegarLoopResult]: For program point L262(lines 262 264) no Hoare annotation was computed. [2020-10-13 15:40:04,112 INFO L268 CegarLoopResult]: For program point ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION(line 548) no Hoare annotation was computed. [2020-10-13 15:40:04,112 INFO L268 CegarLoopResult]: For program point L197(lines 197 487) no Hoare annotation was computed. [2020-10-13 15:40:04,112 INFO L268 CegarLoopResult]: For program point L164(lines 164 498) no Hoare annotation was computed. [2020-10-13 15:40:04,112 INFO L268 CegarLoopResult]: For program point L131(lines 131 509) no Hoare annotation was computed. [2020-10-13 15:40:04,112 INFO L268 CegarLoopResult]: For program point L98-1(lines 75 550) no Hoare annotation was computed. [2020-10-13 15:40:04,112 INFO L268 CegarLoopResult]: For program point L396(lines 396 399) no Hoare annotation was computed. [2020-10-13 15:40:04,113 INFO L271 CegarLoopResult]: At program point L198(lines 197 487) the Hoare annotation is: true [2020-10-13 15:40:04,113 INFO L264 CegarLoopResult]: At program point L132(lines 128 510) the Hoare annotation is: (or (not (<= 12292 |ssl3_connect_#in~initial_state|)) (not (<= |ssl3_connect_#in~initial_state| 12292)) (and (<= ssl3_connect_~s__state~0 4560) (<= ssl3_connect_~blastFlag~0 4) (<= 4352 ssl3_connect_~s__state~0))) [2020-10-13 15:40:04,113 INFO L268 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-13 15:40:04,113 INFO L268 CegarLoopResult]: For program point L529(lines 529 533) no Hoare annotation was computed. [2020-10-13 15:40:04,113 INFO L268 CegarLoopResult]: For program point L431(lines 431 433) no Hoare annotation was computed. [2020-10-13 15:40:04,113 INFO L268 CegarLoopResult]: For program point L332(lines 332 334) no Hoare annotation was computed. [2020-10-13 15:40:04,113 INFO L271 CegarLoopResult]: At program point L200(lines 199 487) the Hoare annotation is: true [2020-10-13 15:40:04,113 INFO L268 CegarLoopResult]: For program point L167(lines 167 497) no Hoare annotation was computed. [2020-10-13 15:40:04,114 INFO L268 CegarLoopResult]: For program point L134(lines 134 508) no Hoare annotation was computed. [2020-10-13 15:40:04,114 INFO L268 CegarLoopResult]: For program point L101(lines 101 519) no Hoare annotation was computed. [2020-10-13 15:40:04,114 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 15:40:04,114 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-13 15:40:04,114 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 15:40:04,114 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 15:40:04,114 INFO L264 CegarLoopResult]: At program point L558(line 558) the Hoare annotation is: (and (<= 12292 main_~s~0) (<= main_~s~0 12292)) [2020-10-13 15:40:04,115 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 552 562) the Hoare annotation is: true [2020-10-13 15:40:04,115 INFO L268 CegarLoopResult]: For program point L558-1(line 558) no Hoare annotation was computed. [2020-10-13 15:40:04,115 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 552 562) no Hoare annotation was computed. [2020-10-13 15:40:04,115 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 552 562) no Hoare annotation was computed. [2020-10-13 15:40:04,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 03:40:04 BoogieIcfgContainer [2020-10-13 15:40:04,159 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 15:40:04,161 INFO L168 Benchmark]: Toolchain (without parser) took 19833.52 ms. Allocated memory was 148.9 MB in the beginning and 647.0 MB in the end (delta: 498.1 MB). Free memory was 102.8 MB in the beginning and 574.4 MB in the end (delta: -471.6 MB). Peak memory consumption was 511.0 MB. Max. memory is 7.1 GB. [2020-10-13 15:40:04,165 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 148.9 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-10-13 15:40:04,166 INFO L168 Benchmark]: CACSL2BoogieTranslator took 448.76 ms. Allocated memory was 148.9 MB in the beginning and 206.0 MB in the end (delta: 57.1 MB). Free memory was 102.4 MB in the beginning and 181.7 MB in the end (delta: -79.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. [2020-10-13 15:40:04,166 INFO L168 Benchmark]: Boogie Preprocessor took 61.86 ms. Allocated memory is still 206.0 MB. Free memory was 181.7 MB in the beginning and 179.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2020-10-13 15:40:04,167 INFO L168 Benchmark]: RCFGBuilder took 736.90 ms. Allocated memory is still 206.0 MB. Free memory was 179.2 MB in the beginning and 132.1 MB in the end (delta: 47.1 MB). Peak memory consumption was 47.1 MB. Max. memory is 7.1 GB. [2020-10-13 15:40:04,169 INFO L168 Benchmark]: TraceAbstraction took 18580.84 ms. Allocated memory was 206.0 MB in the beginning and 647.0 MB in the end (delta: 440.9 MB). Free memory was 131.5 MB in the beginning and 574.4 MB in the end (delta: -442.9 MB). Peak memory consumption was 482.5 MB. Max. memory is 7.1 GB. [2020-10-13 15:40:04,176 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 148.9 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 448.76 ms. Allocated memory was 148.9 MB in the beginning and 206.0 MB in the end (delta: 57.1 MB). Free memory was 102.4 MB in the beginning and 181.7 MB in the end (delta: -79.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 61.86 ms. Allocated memory is still 206.0 MB. Free memory was 181.7 MB in the beginning and 179.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 736.90 ms. Allocated memory is still 206.0 MB. Free memory was 179.2 MB in the beginning and 132.1 MB in the end (delta: 47.1 MB). Peak memory consumption was 47.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 18580.84 ms. Allocated memory was 206.0 MB in the beginning and 647.0 MB in the end (delta: 440.9 MB). Free memory was 131.5 MB in the beginning and 574.4 MB in the end (delta: -442.9 MB). Peak memory consumption was 482.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 548]: 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: 75]: Loop Invariant Derived loop invariant: !(12292 <= \old(initial_state)) || !(\old(initial_state) <= 12292) - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: (!(12292 <= \old(initial_state)) || !(\old(initial_state) <= 12292)) || ((s__state <= 4560 && blastFlag <= 4) && 4432 <= s__state) - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: (!(12292 <= \old(initial_state)) || !(\old(initial_state) <= 12292)) || ((s__state <= 4560 && blastFlag <= 4) && 4352 <= s__state) - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: (((s__state <= 4560 && blastFlag <= 4) && 4560 <= s__state) || !(12292 <= \old(initial_state))) || !(\old(initial_state) <= 12292) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: (!(12292 <= \old(initial_state)) || !(\old(initial_state) <= 12292)) || ((s__state <= 4560 && blastFlag <= 4) && 4352 <= s__state) - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: (!(12292 <= \old(initial_state)) || !(\old(initial_state) <= 12292)) || (blastFlag == 0 && s__state <= 4352) - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: (!(12292 <= \old(initial_state)) || !(\old(initial_state) <= 12292)) || ((blastFlag <= 4 && s__state <= 4560) && 4432 <= s__state) - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: (!(12292 <= \old(initial_state)) || !(\old(initial_state) <= 12292)) || ((blastFlag == 0 && s__state <= 4560) && 4352 <= s__state) - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: (!(12292 <= \old(initial_state)) || !(\old(initial_state) <= 12292)) || ((blastFlag <= 4 && s__state <= 4560) && 4432 <= s__state) - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: ((!(12292 <= \old(initial_state)) || !(\old(initial_state) <= 12292)) || ((s__state <= 4352 && 4352 <= s__state) && s__s3__tmp__next_state___0 <= 3)) || ((((s__state <= 4352 && blastFlag <= 4) && s__s3__tmp__next_state___0 <= 4560) && 4352 <= s__state) && 4560 <= s__s3__tmp__next_state___0) - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (!(12292 <= \old(initial_state)) || !(\old(initial_state) <= 12292)) || ((blastFlag == 0 && 12292 <= s__state) && s__state <= 12292) - InvariantResult [Line: 98]: Loop Invariant Derived loop invariant: (((((((((blastFlag == 0 && s__state == 4368) || !(\old(initial_state) <= 12292)) || ((s__state <= 4352 && 4352 <= s__state) && s__s3__tmp__next_state___0 <= 3)) || !(12292 <= \old(initial_state))) || s__state <= 3) || (blastFlag <= 4 && s__state == 4384)) || ((blastFlag <= 4 && s__state <= 4560) && 4432 <= s__state)) || ((((s__state <= 4352 && blastFlag <= 4) && s__s3__tmp__next_state___0 <= 4560) && 4352 <= s__state) && 4560 <= s__s3__tmp__next_state___0)) || (4400 == s__state && blastFlag <= 4)) || (blastFlag <= 4 && s__state == 4416) - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: (!(12292 <= \old(initial_state)) || !(\old(initial_state) <= 12292)) || ((s__state <= 4560 && blastFlag <= 4) && 4432 <= s__state) - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: (!(12292 <= \old(initial_state)) || !(\old(initial_state) <= 12292)) || ((blastFlag <= 4 && s__state <= 4560) && 4432 <= s__state) - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: (!(12292 <= \old(initial_state)) || !(\old(initial_state) <= 12292)) || ((s__state <= 4560 && blastFlag <= 4) && 4352 <= s__state) - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: (!(12292 <= \old(initial_state)) || !(\old(initial_state) <= 12292)) || ((s__state <= 4560 && blastFlag <= 4) && 4432 <= s__state) - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: (!(12292 <= \old(initial_state)) || !(\old(initial_state) <= 12292)) || ((blastFlag <= 4 && s__state <= 4560) && 4432 <= s__state) - InvariantResult [Line: 199]: 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: 17.6s, OverallIterations: 19, TraceHistogramMax: 13, AutomataDifference: 3.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3430 SDtfs, 1335 SDslu, 2334 SDs, 0 SdLazy, 2063 SolverSat, 390 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 107 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=970occurred in iteration=17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 19 MinimizatonAttempts, 751 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 74 NumberOfFragments, 398 HoareAnnotationTreeSize, 26 FomulaSimplifications, 1555 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 26 FomulaSimplificationsInter, 407 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 12.0s InterpolantComputationTime, 3210 NumberOfCodeBlocks, 3210 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 3191 ConstructedInterpolants, 0 QuantifiedInterpolants, 858185 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 16 PerfectInterpolantSequences, 7740/7765 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...