/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/bitvector/s3_clnt_3.BV.c.cil-1a.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 00:12:57,931 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 00:12:57,934 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 00:12:57,974 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 00:12:57,974 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 00:12:57,985 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 00:12:57,986 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 00:12:57,990 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 00:12:57,992 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 00:12:57,995 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 00:12:57,996 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 00:12:57,997 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 00:12:57,997 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 00:12:58,000 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 00:12:58,002 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 00:12:58,004 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 00:12:58,005 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 00:12:58,006 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 00:12:58,007 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 00:12:58,013 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 00:12:58,014 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 00:12:58,018 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 00:12:58,019 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 00:12:58,019 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 00:12:58,021 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 00:12:58,021 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 00:12:58,022 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 00:12:58,022 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 00:12:58,023 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 00:12:58,023 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 00:12:58,024 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 00:12:58,024 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 00:12:58,025 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 00:12:58,026 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 00:12:58,027 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 00:12:58,027 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 00:12:58,027 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 00:12:58,028 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 00:12:58,028 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 00:12:58,028 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 00:12:58,029 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 00:12:58,030 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-14 00:12:58,050 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 00:12:58,050 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 00:12:58,051 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 00:12:58,051 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 00:12:58,052 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 00:12:58,052 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 00:12:58,052 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 00:12:58,052 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 00:12:58,053 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 00:12:58,053 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 00:12:58,053 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 00:12:58,053 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 00:12:58,053 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 00:12:58,053 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 00:12:58,054 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 00:12:58,054 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 00:12:58,054 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 00:12:58,054 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 00:12:58,054 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 00:12:58,055 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 00:12:58,055 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 00:12:58,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 00:12:58,055 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 00:12:58,056 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 00:12:58,056 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 00:12:58,056 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 00:12:58,056 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 00:12:58,056 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 00:12:58,057 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 00:12:58,057 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 00:12:58,357 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 00:12:58,373 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 00:12:58,376 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 00:12:58,378 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 00:12:58,378 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 00:12:58,379 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector/s3_clnt_3.BV.c.cil-1a.c [2020-10-14 00:12:58,449 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/491e19ecb/7f5eb158fed241dd950e2debd2172278/FLAGad1275dc1 [2020-10-14 00:12:58,885 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 00:12:58,886 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/bitvector/s3_clnt_3.BV.c.cil-1a.c [2020-10-14 00:12:58,897 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/491e19ecb/7f5eb158fed241dd950e2debd2172278/FLAGad1275dc1 [2020-10-14 00:12:59,234 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/491e19ecb/7f5eb158fed241dd950e2debd2172278 [2020-10-14 00:12:59,242 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 00:12:59,244 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 00:12:59,245 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 00:12:59,245 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 00:12:59,249 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 00:12:59,250 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:12:59" (1/1) ... [2020-10-14 00:12:59,254 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bbcaf0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:12:59, skipping insertion in model container [2020-10-14 00:12:59,254 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:12:59" (1/1) ... [2020-10-14 00:12:59,263 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 00:12:59,326 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 00:12:59,588 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 00:12:59,593 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 00:12:59,749 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 00:12:59,763 INFO L208 MainTranslator]: Completed translation [2020-10-14 00:12:59,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:12:59 WrapperNode [2020-10-14 00:12:59,764 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 00:12:59,765 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 00:12:59,765 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 00:12:59,765 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 00:12:59,778 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:12:59" (1/1) ... [2020-10-14 00:12:59,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:12:59" (1/1) ... [2020-10-14 00:12:59,787 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:12:59" (1/1) ... [2020-10-14 00:12:59,788 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:12:59" (1/1) ... [2020-10-14 00:12:59,800 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:12:59" (1/1) ... [2020-10-14 00:12:59,812 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:12:59" (1/1) ... [2020-10-14 00:12:59,815 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:12:59" (1/1) ... [2020-10-14 00:12:59,819 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 00:12:59,820 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 00:12:59,820 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 00:12:59,820 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 00:12:59,821 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:12:59" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 00:12:59,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 00:12:59,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 00:12:59,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2020-10-14 00:12:59,871 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 00:12:59,871 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 00:12:59,871 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 00:12:59,872 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-14 00:12:59,872 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2020-10-14 00:12:59,872 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 00:12:59,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 00:12:59,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 00:13:00,008 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-14 00:13:00,498 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##87: assume false; [2020-10-14 00:13:00,498 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume !false; [2020-10-14 00:13:00,516 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 00:13:00,516 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 00:13:00,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:13:00 BoogieIcfgContainer [2020-10-14 00:13:00,522 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 00:13:00,523 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 00:13:00,523 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 00:13:00,527 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 00:13:00,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 12:12:59" (1/3) ... [2020-10-14 00:13:00,528 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a2459be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:13:00, skipping insertion in model container [2020-10-14 00:13:00,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:12:59" (2/3) ... [2020-10-14 00:13:00,529 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a2459be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:13:00, skipping insertion in model container [2020-10-14 00:13:00,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:13:00" (3/3) ... [2020-10-14 00:13:00,531 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_clnt_3.BV.c.cil-1a.c [2020-10-14 00:13:00,541 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 00:13:00,548 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 00:13:00,562 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 00:13:00,584 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 00:13:00,584 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 00:13:00,584 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 00:13:00,585 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 00:13:00,585 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 00:13:00,585 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 00:13:00,585 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 00:13:00,585 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 00:13:00,607 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states. [2020-10-14 00:13:00,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-14 00:13:00,616 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:13:00,617 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:13:00,617 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:13:00,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:13:00,623 INFO L82 PathProgramCache]: Analyzing trace with hash 1233902378, now seen corresponding path program 1 times [2020-10-14 00:13:00,631 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:13:00,631 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [106639327] [2020-10-14 00:13:00,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:13:00,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:00,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:00,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:01,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:01,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:01,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-14 00:13:01,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 00:13:01,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 435 [2020-10-14 00:13:01,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:01,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:01,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:13:01,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-14 00:13:01,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-14 00:13:01,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 00:13:01,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:13:01,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:01,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:01,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:01,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:13:01,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:01,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 00:13:01,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:01,271 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:01,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:13:01,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:13:01,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:13:01,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:01,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 00:13:01,285 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [106639327] [2020-10-14 00:13:01,287 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:13:01,287 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:13:01,288 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405329879] [2020-10-14 00:13:01,293 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 00:13:01,293 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:13:01,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 00:13:01,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:01,310 INFO L87 Difference]: Start difference. First operand 134 states. Second operand 3 states. [2020-10-14 00:13:01,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:13:01,434 INFO L93 Difference]: Finished difference Result 369 states and 627 transitions. [2020-10-14 00:13:01,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 00:13:01,436 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2020-10-14 00:13:01,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:13:01,460 INFO L225 Difference]: With dead ends: 369 [2020-10-14 00:13:01,460 INFO L226 Difference]: Without dead ends: 215 [2020-10-14 00:13:01,467 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:01,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2020-10-14 00:13:01,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2020-10-14 00:13:01,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2020-10-14 00:13:01,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 322 transitions. [2020-10-14 00:13:01,549 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 322 transitions. Word has length 30 [2020-10-14 00:13:01,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:13:01,549 INFO L479 AbstractCegarLoop]: Abstraction has 215 states and 322 transitions. [2020-10-14 00:13:01,549 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 00:13:01,550 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 322 transitions. [2020-10-14 00:13:01,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-10-14 00:13:01,552 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:13:01,553 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:13:01,553 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 00:13:01,553 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:13:01,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:13:01,554 INFO L82 PathProgramCache]: Analyzing trace with hash -2092095405, now seen corresponding path program 1 times [2020-10-14 00:13:01,554 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:13:01,554 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [274976663] [2020-10-14 00:13:01,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:13:01,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:01,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:01,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:01,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:01,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:01,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:01,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:01,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-14 00:13:01,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 00:13:01,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 412 [2020-10-14 00:13:01,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:01,987 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:01,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:13:01,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-14 00:13:01,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-14 00:13:01,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:02,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:13:02,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:02,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:02,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:02,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:13:02,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:02,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 00:13:02,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:02,019 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:02,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:13:02,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:13:02,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:13:02,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:02,026 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 00:13:02,027 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [274976663] [2020-10-14 00:13:02,027 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:13:02,028 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:13:02,028 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258648878] [2020-10-14 00:13:02,030 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 00:13:02,030 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:13:02,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 00:13:02,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:02,031 INFO L87 Difference]: Start difference. First operand 215 states and 322 transitions. Second operand 3 states. [2020-10-14 00:13:02,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:13:02,093 INFO L93 Difference]: Finished difference Result 417 states and 631 transitions. [2020-10-14 00:13:02,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 00:13:02,094 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2020-10-14 00:13:02,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:13:02,098 INFO L225 Difference]: With dead ends: 417 [2020-10-14 00:13:02,098 INFO L226 Difference]: Without dead ends: 315 [2020-10-14 00:13:02,104 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:02,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2020-10-14 00:13:02,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 315. [2020-10-14 00:13:02,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 315 states. [2020-10-14 00:13:02,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 472 transitions. [2020-10-14 00:13:02,153 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 472 transitions. Word has length 44 [2020-10-14 00:13:02,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:13:02,154 INFO L479 AbstractCegarLoop]: Abstraction has 315 states and 472 transitions. [2020-10-14 00:13:02,154 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 00:13:02,154 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 472 transitions. [2020-10-14 00:13:02,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-10-14 00:13:02,159 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:13:02,159 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:13:02,159 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 00:13:02,160 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:13:02,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:13:02,160 INFO L82 PathProgramCache]: Analyzing trace with hash -1869801183, now seen corresponding path program 1 times [2020-10-14 00:13:02,161 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:13:02,161 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1330058793] [2020-10-14 00:13:02,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:13:02,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:02,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:02,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:02,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:02,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:02,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-10-14 00:13:02,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 00:13:02,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 208 [2020-10-14 00:13:02,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:02,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:02,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:13:02,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-14 00:13:02,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 00:13:02,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:02,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:13:02,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:02,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:02,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:02,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:13:02,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:02,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 00:13:02,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:02,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:02,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:13:02,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:13:02,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:13:02,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:02,439 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-14 00:13:02,439 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1330058793] [2020-10-14 00:13:02,440 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:13:02,440 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:13:02,440 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890601269] [2020-10-14 00:13:02,441 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 00:13:02,442 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:13:02,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 00:13:02,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:02,442 INFO L87 Difference]: Start difference. First operand 315 states and 472 transitions. Second operand 3 states. [2020-10-14 00:13:02,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:13:02,513 INFO L93 Difference]: Finished difference Result 617 states and 931 transitions. [2020-10-14 00:13:02,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 00:13:02,514 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2020-10-14 00:13:02,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:13:02,518 INFO L225 Difference]: With dead ends: 617 [2020-10-14 00:13:02,518 INFO L226 Difference]: Without dead ends: 415 [2020-10-14 00:13:02,520 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:02,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2020-10-14 00:13:02,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 415. [2020-10-14 00:13:02,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 415 states. [2020-10-14 00:13:02,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 623 transitions. [2020-10-14 00:13:02,557 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 623 transitions. Word has length 61 [2020-10-14 00:13:02,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:13:02,559 INFO L479 AbstractCegarLoop]: Abstraction has 415 states and 623 transitions. [2020-10-14 00:13:02,559 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 00:13:02,559 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 623 transitions. [2020-10-14 00:13:02,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-10-14 00:13:02,567 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:13:02,568 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:13:02,569 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 00:13:02,569 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:13:02,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:13:02,570 INFO L82 PathProgramCache]: Analyzing trace with hash 1126239137, now seen corresponding path program 1 times [2020-10-14 00:13:02,570 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:13:02,570 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1161034878] [2020-10-14 00:13:02,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:13:02,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:02,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:02,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:02,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:02,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:02,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:02,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:02,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 00:13:02,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 00:13:02,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 363 [2020-10-14 00:13:02,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:02,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:02,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:13:02,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-14 00:13:02,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-14 00:13:02,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 00:13:03,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:13:03,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:03,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:03,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:03,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:13:03,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:03,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 00:13:03,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:03,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:03,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:13:03,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:13:03,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:13:03,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-14 00:13:03,021 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-14 00:13:03,024 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1161034878] [2020-10-14 00:13:03,024 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:13:03,024 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:13:03,024 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252780565] [2020-10-14 00:13:03,025 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 00:13:03,025 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:13:03,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 00:13:03,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:03,026 INFO L87 Difference]: Start difference. First operand 415 states and 623 transitions. Second operand 3 states. [2020-10-14 00:13:03,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:13:03,088 INFO L93 Difference]: Finished difference Result 817 states and 1233 transitions. [2020-10-14 00:13:03,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 00:13:03,088 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 79 [2020-10-14 00:13:03,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:13:03,092 INFO L225 Difference]: With dead ends: 817 [2020-10-14 00:13:03,092 INFO L226 Difference]: Without dead ends: 515 [2020-10-14 00:13:03,093 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:03,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2020-10-14 00:13:03,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 515. [2020-10-14 00:13:03,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 515 states. [2020-10-14 00:13:03,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 775 transitions. [2020-10-14 00:13:03,109 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 775 transitions. Word has length 79 [2020-10-14 00:13:03,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:13:03,111 INFO L479 AbstractCegarLoop]: Abstraction has 515 states and 775 transitions. [2020-10-14 00:13:03,111 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 00:13:03,111 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 775 transitions. [2020-10-14 00:13:03,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-10-14 00:13:03,115 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:13:03,115 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:13:03,116 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 00:13:03,116 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:13:03,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:13:03,116 INFO L82 PathProgramCache]: Analyzing trace with hash -1407238055, now seen corresponding path program 1 times [2020-10-14 00:13:03,117 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:13:03,117 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [736867252] [2020-10-14 00:13:03,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:13:03,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:03,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:03,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:03,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:03,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:03,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-14 00:13:03,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 00:13:03,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 186 [2020-10-14 00:13:03,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:03,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:03,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:13:03,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-14 00:13:03,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-14 00:13:03,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:03,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:13:03,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:03,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:03,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:03,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:13:03,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:03,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 00:13:03,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:03,392 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:03,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:13:03,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:13:03,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:13:03,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:03,405 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2020-10-14 00:13:03,405 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [736867252] [2020-10-14 00:13:03,405 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:13:03,405 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:13:03,406 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978535375] [2020-10-14 00:13:03,407 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 00:13:03,407 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:13:03,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 00:13:03,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:03,408 INFO L87 Difference]: Start difference. First operand 515 states and 775 transitions. Second operand 3 states. [2020-10-14 00:13:03,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:13:03,454 INFO L93 Difference]: Finished difference Result 617 states and 930 transitions. [2020-10-14 00:13:03,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 00:13:03,455 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2020-10-14 00:13:03,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:13:03,459 INFO L225 Difference]: With dead ends: 617 [2020-10-14 00:13:03,460 INFO L226 Difference]: Without dead ends: 615 [2020-10-14 00:13:03,460 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:03,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 615 states. [2020-10-14 00:13:03,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 615 to 615. [2020-10-14 00:13:03,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 615 states. [2020-10-14 00:13:03,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 615 states and 928 transitions. [2020-10-14 00:13:03,499 INFO L78 Accepts]: Start accepts. Automaton has 615 states and 928 transitions. Word has length 99 [2020-10-14 00:13:03,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:13:03,499 INFO L479 AbstractCegarLoop]: Abstraction has 615 states and 928 transitions. [2020-10-14 00:13:03,500 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 00:13:03,500 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 928 transitions. [2020-10-14 00:13:03,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-10-14 00:13:03,502 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:13:03,503 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:13:03,503 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 00:13:03,503 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:13:03,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:13:03,503 INFO L82 PathProgramCache]: Analyzing trace with hash 330114642, now seen corresponding path program 1 times [2020-10-14 00:13:03,504 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:13:03,504 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [479348513] [2020-10-14 00:13:03,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:13:03,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:03,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:03,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:03,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:03,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:03,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-10-14 00:13:03,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 00:13:03,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 211 [2020-10-14 00:13:03,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:03,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:03,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:13:03,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 00:13:03,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 00:13:03,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:03,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:13:03,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:03,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:03,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:03,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:13:03,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:03,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 00:13:03,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:03,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:03,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:13:03,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:13:03,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:13:03,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:13:03,769 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2020-10-14 00:13:03,769 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [479348513] [2020-10-14 00:13:03,770 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:13:03,770 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:13:03,770 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858411735] [2020-10-14 00:13:03,771 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 00:13:03,771 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:13:03,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 00:13:03,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:03,772 INFO L87 Difference]: Start difference. First operand 615 states and 928 transitions. Second operand 3 states. [2020-10-14 00:13:04,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:13:04,013 INFO L93 Difference]: Finished difference Result 1517 states and 2366 transitions. [2020-10-14 00:13:04,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 00:13:04,014 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2020-10-14 00:13:04,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:13:04,019 INFO L225 Difference]: With dead ends: 1517 [2020-10-14 00:13:04,019 INFO L226 Difference]: Without dead ends: 909 [2020-10-14 00:13:04,021 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:04,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 909 states. [2020-10-14 00:13:04,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 909 to 861. [2020-10-14 00:13:04,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 861 states. [2020-10-14 00:13:04,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 1324 transitions. [2020-10-14 00:13:04,046 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 1324 transitions. Word has length 117 [2020-10-14 00:13:04,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:13:04,047 INFO L479 AbstractCegarLoop]: Abstraction has 861 states and 1324 transitions. [2020-10-14 00:13:04,047 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 00:13:04,047 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1324 transitions. [2020-10-14 00:13:04,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-14 00:13:04,050 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:13:04,051 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 6, 6, 6, 6, 6, 5, 5, 3, 3, 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] [2020-10-14 00:13:04,051 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 00:13:04,051 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:13:04,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:13:04,052 INFO L82 PathProgramCache]: Analyzing trace with hash 1568397266, now seen corresponding path program 1 times [2020-10-14 00:13:04,052 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:13:04,052 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1159742457] [2020-10-14 00:13:04,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:13:04,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:04,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:04,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:04,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:04,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:04,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-10-14 00:13:04,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 00:13:04,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 337 [2020-10-14 00:13:04,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:04,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:04,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:13:04,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 109 [2020-10-14 00:13:04,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 00:13:04,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:04,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:13:04,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:04,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:04,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:04,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:13:04,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:04,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 00:13:04,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:04,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:04,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:13:04,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:13:04,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:13:04,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:04,466 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2020-10-14 00:13:04,466 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1159742457] [2020-10-14 00:13:04,466 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:13:04,467 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:13:04,467 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951842937] [2020-10-14 00:13:04,468 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 00:13:04,468 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:13:04,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 00:13:04,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:04,469 INFO L87 Difference]: Start difference. First operand 861 states and 1324 transitions. Second operand 3 states. [2020-10-14 00:13:04,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:13:04,686 INFO L93 Difference]: Finished difference Result 2021 states and 3176 transitions. [2020-10-14 00:13:04,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 00:13:04,686 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 141 [2020-10-14 00:13:04,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:13:04,694 INFO L225 Difference]: With dead ends: 2021 [2020-10-14 00:13:04,694 INFO L226 Difference]: Without dead ends: 1173 [2020-10-14 00:13:04,696 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:04,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1173 states. [2020-10-14 00:13:04,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1173 to 1101. [2020-10-14 00:13:04,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1101 states. [2020-10-14 00:13:04,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1101 states to 1101 states and 1612 transitions. [2020-10-14 00:13:04,750 INFO L78 Accepts]: Start accepts. Automaton has 1101 states and 1612 transitions. Word has length 141 [2020-10-14 00:13:04,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:13:04,750 INFO L479 AbstractCegarLoop]: Abstraction has 1101 states and 1612 transitions. [2020-10-14 00:13:04,750 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 00:13:04,750 INFO L276 IsEmpty]: Start isEmpty. Operand 1101 states and 1612 transitions. [2020-10-14 00:13:04,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-10-14 00:13:04,754 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:13:04,754 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] [2020-10-14 00:13:04,754 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 00:13:04,754 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:13:04,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:13:04,755 INFO L82 PathProgramCache]: Analyzing trace with hash 953297081, now seen corresponding path program 1 times [2020-10-14 00:13:04,755 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:13:04,755 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [76516017] [2020-10-14 00:13:04,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:13:04,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:04,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:04,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:04,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-10-14 00:13:04,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:04,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-10-14 00:13:04,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:04,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:04,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:13:04,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-14 00:13:04,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 00:13:04,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:13:04,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:13:04,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:04,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:04,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:04,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:13:04,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:04,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 00:13:04,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:04,911 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:04,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:13:04,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:13:04,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:13:04,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:13:04,924 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 201 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-10-14 00:13:04,925 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [76516017] [2020-10-14 00:13:04,925 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:13:04,925 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:13:04,925 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871451977] [2020-10-14 00:13:04,926 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 00:13:04,926 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:13:04,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 00:13:04,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:04,927 INFO L87 Difference]: Start difference. First operand 1101 states and 1612 transitions. Second operand 3 states. [2020-10-14 00:13:05,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:13:05,131 INFO L93 Difference]: Finished difference Result 2743 states and 4138 transitions. [2020-10-14 00:13:05,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 00:13:05,132 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 155 [2020-10-14 00:13:05,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:13:05,140 INFO L225 Difference]: With dead ends: 2743 [2020-10-14 00:13:05,140 INFO L226 Difference]: Without dead ends: 1553 [2020-10-14 00:13:05,142 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:05,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1553 states. [2020-10-14 00:13:05,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1553 to 1377. [2020-10-14 00:13:05,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1377 states. [2020-10-14 00:13:05,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1377 states to 1377 states and 2014 transitions. [2020-10-14 00:13:05,183 INFO L78 Accepts]: Start accepts. Automaton has 1377 states and 2014 transitions. Word has length 155 [2020-10-14 00:13:05,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:13:05,183 INFO L479 AbstractCegarLoop]: Abstraction has 1377 states and 2014 transitions. [2020-10-14 00:13:05,183 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 00:13:05,183 INFO L276 IsEmpty]: Start isEmpty. Operand 1377 states and 2014 transitions. [2020-10-14 00:13:05,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-14 00:13:05,188 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:13:05,188 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 8, 8, 8, 8, 8, 6, 6, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:13:05,188 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 00:13:05,188 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:13:05,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:13:05,189 INFO L82 PathProgramCache]: Analyzing trace with hash -260724200, now seen corresponding path program 1 times [2020-10-14 00:13:05,189 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:13:05,189 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1171423241] [2020-10-14 00:13:05,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:13:05,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:05,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:05,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:05,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 184 [2020-10-14 00:13:05,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:05,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 162 [2020-10-14 00:13:05,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:05,380 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:05,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:13:05,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 118 [2020-10-14 00:13:05,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 00:13:05,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:05,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:13:05,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:05,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:05,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:05,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:13:05,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:05,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 00:13:05,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:05,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:05,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:13:05,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:13:05,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:13:05,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:05,439 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 248 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2020-10-14 00:13:05,439 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1171423241] [2020-10-14 00:13:05,439 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:13:05,440 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:13:05,440 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035863574] [2020-10-14 00:13:05,441 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 00:13:05,441 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:13:05,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 00:13:05,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:05,442 INFO L87 Difference]: Start difference. First operand 1377 states and 2014 transitions. Second operand 3 states. [2020-10-14 00:13:05,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:13:05,648 INFO L93 Difference]: Finished difference Result 3053 states and 4490 transitions. [2020-10-14 00:13:05,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 00:13:05,648 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 176 [2020-10-14 00:13:05,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:13:05,656 INFO L225 Difference]: With dead ends: 3053 [2020-10-14 00:13:05,657 INFO L226 Difference]: Without dead ends: 1599 [2020-10-14 00:13:05,660 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:05,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1599 states. [2020-10-14 00:13:05,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1599 to 1527. [2020-10-14 00:13:05,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1527 states. [2020-10-14 00:13:05,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1527 states to 1527 states and 2206 transitions. [2020-10-14 00:13:05,702 INFO L78 Accepts]: Start accepts. Automaton has 1527 states and 2206 transitions. Word has length 176 [2020-10-14 00:13:05,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:13:05,703 INFO L479 AbstractCegarLoop]: Abstraction has 1527 states and 2206 transitions. [2020-10-14 00:13:05,703 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 00:13:05,703 INFO L276 IsEmpty]: Start isEmpty. Operand 1527 states and 2206 transitions. [2020-10-14 00:13:05,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-10-14 00:13:05,709 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:13:05,709 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 9, 9, 9, 9, 9, 7, 7, 5, 5, 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] [2020-10-14 00:13:05,709 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 00:13:05,710 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:13:05,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:13:05,710 INFO L82 PathProgramCache]: Analyzing trace with hash -1797193209, now seen corresponding path program 1 times [2020-10-14 00:13:05,710 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:13:05,711 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [925598936] [2020-10-14 00:13:05,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:13:05,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:05,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:05,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:05,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 208 [2020-10-14 00:13:05,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:05,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 162 [2020-10-14 00:13:05,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:05,907 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:05,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:13:05,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 141 [2020-10-14 00:13:05,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 00:13:05,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:05,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:13:05,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:05,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:05,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:05,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:13:05,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:05,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 00:13:05,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:05,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:05,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:13:05,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:13:05,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:13:05,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:05,960 INFO L134 CoverageAnalysis]: Checked inductivity of 533 backedges. 293 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2020-10-14 00:13:05,960 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [925598936] [2020-10-14 00:13:05,960 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:13:05,961 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:13:05,961 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547060731] [2020-10-14 00:13:05,961 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 00:13:05,962 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:13:05,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 00:13:05,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:05,962 INFO L87 Difference]: Start difference. First operand 1527 states and 2206 transitions. Second operand 3 states. [2020-10-14 00:13:06,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:13:06,171 INFO L93 Difference]: Finished difference Result 3353 states and 4874 transitions. [2020-10-14 00:13:06,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 00:13:06,172 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 200 [2020-10-14 00:13:06,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:13:06,182 INFO L225 Difference]: With dead ends: 3353 [2020-10-14 00:13:06,182 INFO L226 Difference]: Without dead ends: 1785 [2020-10-14 00:13:06,185 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:06,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1785 states. [2020-10-14 00:13:06,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1785 to 1713. [2020-10-14 00:13:06,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1713 states. [2020-10-14 00:13:06,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1713 states to 1713 states and 2470 transitions. [2020-10-14 00:13:06,237 INFO L78 Accepts]: Start accepts. Automaton has 1713 states and 2470 transitions. Word has length 200 [2020-10-14 00:13:06,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:13:06,238 INFO L479 AbstractCegarLoop]: Abstraction has 1713 states and 2470 transitions. [2020-10-14 00:13:06,238 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 00:13:06,238 INFO L276 IsEmpty]: Start isEmpty. Operand 1713 states and 2470 transitions. [2020-10-14 00:13:06,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-10-14 00:13:06,246 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:13:06,246 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 10, 10, 10, 10, 10, 8, 8, 6, 6, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:13:06,247 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 00:13:06,247 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:13:06,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:13:06,247 INFO L82 PathProgramCache]: Analyzing trace with hash -737705851, now seen corresponding path program 1 times [2020-10-14 00:13:06,247 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:13:06,248 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [107979698] [2020-10-14 00:13:06,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:13:06,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:06,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:06,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:06,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:06,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 238 [2020-10-14 00:13:06,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 00:13:06,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 327 [2020-10-14 00:13:06,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:06,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:06,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:13:06,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 141 [2020-10-14 00:13:06,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-14 00:13:06,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:06,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:13:06,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:06,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:06,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:06,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:13:06,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:06,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 00:13:06,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:06,657 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:06,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:13:06,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:13:06,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:13:06,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:06,695 INFO L134 CoverageAnalysis]: Checked inductivity of 671 backedges. 416 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2020-10-14 00:13:06,696 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [107979698] [2020-10-14 00:13:06,696 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:13:06,696 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:13:06,697 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033569493] [2020-10-14 00:13:06,697 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 00:13:06,697 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:13:06,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 00:13:06,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:06,698 INFO L87 Difference]: Start difference. First operand 1713 states and 2470 transitions. Second operand 3 states. [2020-10-14 00:13:06,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:13:06,762 INFO L93 Difference]: Finished difference Result 5113 states and 7374 transitions. [2020-10-14 00:13:06,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 00:13:06,763 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 230 [2020-10-14 00:13:06,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:13:06,779 INFO L225 Difference]: With dead ends: 5113 [2020-10-14 00:13:06,779 INFO L226 Difference]: Without dead ends: 3413 [2020-10-14 00:13:06,783 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:06,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3413 states. [2020-10-14 00:13:06,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3413 to 3411. [2020-10-14 00:13:06,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3411 states. [2020-10-14 00:13:06,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3411 states to 3411 states and 4915 transitions. [2020-10-14 00:13:06,876 INFO L78 Accepts]: Start accepts. Automaton has 3411 states and 4915 transitions. Word has length 230 [2020-10-14 00:13:06,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:13:06,877 INFO L479 AbstractCegarLoop]: Abstraction has 3411 states and 4915 transitions. [2020-10-14 00:13:06,877 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 00:13:06,877 INFO L276 IsEmpty]: Start isEmpty. Operand 3411 states and 4915 transitions. [2020-10-14 00:13:06,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-10-14 00:13:06,887 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:13:06,887 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 10, 10, 10, 10, 10, 8, 8, 6, 6, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:13:06,887 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 00:13:06,887 INFO L427 AbstractCegarLoop]: === Iteration 12 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:13:06,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:13:06,888 INFO L82 PathProgramCache]: Analyzing trace with hash -1953859577, now seen corresponding path program 1 times [2020-10-14 00:13:06,888 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:13:06,888 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1272955902] [2020-10-14 00:13:06,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:13:06,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:06,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:07,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:07,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 238 [2020-10-14 00:13:07,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:07,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 192 [2020-10-14 00:13:07,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:07,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:07,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:13:07,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 171 [2020-10-14 00:13:07,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 00:13:07,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:07,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:13:07,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:07,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:07,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:07,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:13:07,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:07,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 00:13:07,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:07,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:07,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:13:07,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:13:07,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:13:07,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:07,233 INFO L134 CoverageAnalysis]: Checked inductivity of 671 backedges. 338 proven. 0 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2020-10-14 00:13:07,233 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1272955902] [2020-10-14 00:13:07,234 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:13:07,234 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:13:07,234 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373504660] [2020-10-14 00:13:07,235 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 00:13:07,235 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:13:07,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 00:13:07,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:07,236 INFO L87 Difference]: Start difference. First operand 3411 states and 4915 transitions. Second operand 3 states. [2020-10-14 00:13:07,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:13:07,566 INFO L93 Difference]: Finished difference Result 7421 states and 10748 transitions. [2020-10-14 00:13:07,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 00:13:07,567 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 230 [2020-10-14 00:13:07,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:13:07,594 INFO L225 Difference]: With dead ends: 7421 [2020-10-14 00:13:07,595 INFO L226 Difference]: Without dead ends: 3963 [2020-10-14 00:13:07,604 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:07,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3963 states. [2020-10-14 00:13:07,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3963 to 3831. [2020-10-14 00:13:07,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3831 states. [2020-10-14 00:13:07,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3831 states to 3831 states and 5539 transitions. [2020-10-14 00:13:07,761 INFO L78 Accepts]: Start accepts. Automaton has 3831 states and 5539 transitions. Word has length 230 [2020-10-14 00:13:07,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:13:07,762 INFO L479 AbstractCegarLoop]: Abstraction has 3831 states and 5539 transitions. [2020-10-14 00:13:07,762 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 00:13:07,762 INFO L276 IsEmpty]: Start isEmpty. Operand 3831 states and 5539 transitions. [2020-10-14 00:13:07,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2020-10-14 00:13:07,776 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:13:07,776 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 11, 11, 11, 11, 11, 9, 9, 7, 7, 6, 6, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:13:07,776 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 00:13:07,777 INFO L427 AbstractCegarLoop]: === Iteration 13 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:13:07,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:13:07,777 INFO L82 PathProgramCache]: Analyzing trace with hash -1547041617, now seen corresponding path program 1 times [2020-10-14 00:13:07,777 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:13:07,778 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [719398419] [2020-10-14 00:13:07,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:13:07,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:07,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:08,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:08,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 273 [2020-10-14 00:13:08,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:08,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 232 [2020-10-14 00:13:08,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:08,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:08,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:13:08,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 204 [2020-10-14 00:13:08,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 00:13:08,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 00:13:08,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:13:08,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:08,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:08,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:08,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:13:08,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:08,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 00:13:08,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:08,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:08,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:13:08,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:13:08,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:13:08,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 00:13:08,342 INFO L134 CoverageAnalysis]: Checked inductivity of 835 backedges. 383 proven. 0 refuted. 0 times theorem prover too weak. 452 trivial. 0 not checked. [2020-10-14 00:13:08,342 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [719398419] [2020-10-14 00:13:08,343 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:13:08,343 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:13:08,343 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882073287] [2020-10-14 00:13:08,344 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 00:13:08,345 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:13:08,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 00:13:08,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:08,346 INFO L87 Difference]: Start difference. First operand 3831 states and 5539 transitions. Second operand 3 states. [2020-10-14 00:13:08,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:13:08,669 INFO L93 Difference]: Finished difference Result 7814 states and 11269 transitions. [2020-10-14 00:13:08,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 00:13:08,669 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 265 [2020-10-14 00:13:08,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:13:08,690 INFO L225 Difference]: With dead ends: 7814 [2020-10-14 00:13:08,690 INFO L226 Difference]: Without dead ends: 3960 [2020-10-14 00:13:08,698 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:08,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3960 states. [2020-10-14 00:13:08,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3960 to 3828. [2020-10-14 00:13:08,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3828 states. [2020-10-14 00:13:08,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3828 states to 3828 states and 5484 transitions. [2020-10-14 00:13:08,805 INFO L78 Accepts]: Start accepts. Automaton has 3828 states and 5484 transitions. Word has length 265 [2020-10-14 00:13:08,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:13:08,806 INFO L479 AbstractCegarLoop]: Abstraction has 3828 states and 5484 transitions. [2020-10-14 00:13:08,806 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 00:13:08,806 INFO L276 IsEmpty]: Start isEmpty. Operand 3828 states and 5484 transitions. [2020-10-14 00:13:08,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2020-10-14 00:13:08,818 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:13:08,818 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 12, 10, 10, 8, 8, 7, 7, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:13:08,818 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 00:13:08,818 INFO L427 AbstractCegarLoop]: === Iteration 14 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:13:08,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:13:08,819 INFO L82 PathProgramCache]: Analyzing trace with hash -1980525248, now seen corresponding path program 1 times [2020-10-14 00:13:08,819 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:13:08,819 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2084880728] [2020-10-14 00:13:08,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:13:08,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:08,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:08,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:09,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:09,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:09,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:09,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 297 [2020-10-14 00:13:09,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 00:13:09,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 540 [2020-10-14 00:13:09,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:09,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:09,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:13:09,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-14 00:13:09,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 225 [2020-10-14 00:13:09,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:13:09,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:13:09,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:09,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:09,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:09,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:13:09,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:09,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 00:13:09,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:09,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:09,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:13:09,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:13:09,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:13:09,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:13:09,551 INFO L134 CoverageAnalysis]: Checked inductivity of 959 backedges. 358 proven. 0 refuted. 0 times theorem prover too weak. 601 trivial. 0 not checked. [2020-10-14 00:13:09,552 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2084880728] [2020-10-14 00:13:09,552 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:13:09,552 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:13:09,552 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773385076] [2020-10-14 00:13:09,553 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 00:13:09,553 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:13:09,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 00:13:09,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:09,554 INFO L87 Difference]: Start difference. First operand 3828 states and 5484 transitions. Second operand 3 states. [2020-10-14 00:13:09,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:13:09,675 INFO L93 Difference]: Finished difference Result 11389 states and 16315 transitions. [2020-10-14 00:13:09,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 00:13:09,676 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 289 [2020-10-14 00:13:09,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:13:09,711 INFO L225 Difference]: With dead ends: 11389 [2020-10-14 00:13:09,711 INFO L226 Difference]: Without dead ends: 7607 [2020-10-14 00:13:09,720 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:09,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7607 states. [2020-10-14 00:13:09,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7607 to 7605. [2020-10-14 00:13:09,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7605 states. [2020-10-14 00:13:09,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7605 states to 7605 states and 10865 transitions. [2020-10-14 00:13:09,930 INFO L78 Accepts]: Start accepts. Automaton has 7605 states and 10865 transitions. Word has length 289 [2020-10-14 00:13:09,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:13:09,931 INFO L479 AbstractCegarLoop]: Abstraction has 7605 states and 10865 transitions. [2020-10-14 00:13:09,931 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 00:13:09,931 INFO L276 IsEmpty]: Start isEmpty. Operand 7605 states and 10865 transitions. [2020-10-14 00:13:09,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2020-10-14 00:13:09,955 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:13:09,955 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 12, 10, 10, 8, 8, 7, 7, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:13:09,956 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 00:13:09,956 INFO L427 AbstractCegarLoop]: === Iteration 15 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:13:09,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:13:09,956 INFO L82 PathProgramCache]: Analyzing trace with hash 2030543940, now seen corresponding path program 1 times [2020-10-14 00:13:09,957 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:13:09,957 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1084357927] [2020-10-14 00:13:09,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:13:10,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:10,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:10,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:10,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:10,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:10,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:10,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 297 [2020-10-14 00:13:10,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 00:13:10,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 502 [2020-10-14 00:13:10,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:10,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:10,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:13:10,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-14 00:13:10,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 257 [2020-10-14 00:13:10,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:10,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:13:10,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:10,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:10,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:10,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:13:10,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:10,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 00:13:10,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:10,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:10,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:13:10,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:13:10,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:13:10,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-14 00:13:10,683 INFO L134 CoverageAnalysis]: Checked inductivity of 959 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 789 trivial. 0 not checked. [2020-10-14 00:13:10,684 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1084357927] [2020-10-14 00:13:10,684 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:13:10,684 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:13:10,684 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218168358] [2020-10-14 00:13:10,685 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 00:13:10,685 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:13:10,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 00:13:10,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:10,685 INFO L87 Difference]: Start difference. First operand 7605 states and 10865 transitions. Second operand 3 states. [2020-10-14 00:13:10,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:13:10,801 INFO L93 Difference]: Finished difference Result 11377 states and 16231 transitions. [2020-10-14 00:13:10,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 00:13:10,801 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 289 [2020-10-14 00:13:10,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:13:10,826 INFO L225 Difference]: With dead ends: 11377 [2020-10-14 00:13:10,826 INFO L226 Difference]: Without dead ends: 7607 [2020-10-14 00:13:10,836 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:10,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7607 states. [2020-10-14 00:13:10,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7607 to 7605. [2020-10-14 00:13:10,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7605 states. [2020-10-14 00:13:11,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7605 states to 7605 states and 10829 transitions. [2020-10-14 00:13:11,011 INFO L78 Accepts]: Start accepts. Automaton has 7605 states and 10829 transitions. Word has length 289 [2020-10-14 00:13:11,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:13:11,012 INFO L479 AbstractCegarLoop]: Abstraction has 7605 states and 10829 transitions. [2020-10-14 00:13:11,012 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 00:13:11,012 INFO L276 IsEmpty]: Start isEmpty. Operand 7605 states and 10829 transitions. [2020-10-14 00:13:11,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2020-10-14 00:13:11,032 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:13:11,033 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 12, 10, 10, 8, 8, 7, 7, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:13:11,033 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-14 00:13:11,033 INFO L427 AbstractCegarLoop]: === Iteration 16 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:13:11,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:13:11,034 INFO L82 PathProgramCache]: Analyzing trace with hash 225105606, now seen corresponding path program 1 times [2020-10-14 00:13:11,034 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:13:11,034 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [308829693] [2020-10-14 00:13:11,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:13:11,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:11,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:11,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:11,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 297 [2020-10-14 00:13:11,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:11,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 156 [2020-10-14 00:13:11,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:11,305 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:11,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:13:11,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 241 [2020-10-14 00:13:11,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 00:13:11,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:11,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:13:11,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:11,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:11,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:11,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:13:11,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:11,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 00:13:11,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:11,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:11,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:13:11,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:13:11,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:13:11,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:13:11,393 INFO L134 CoverageAnalysis]: Checked inductivity of 959 backedges. 378 proven. 0 refuted. 0 times theorem prover too weak. 581 trivial. 0 not checked. [2020-10-14 00:13:11,394 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [308829693] [2020-10-14 00:13:11,396 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:13:11,397 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:13:11,397 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295813214] [2020-10-14 00:13:11,397 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 00:13:11,398 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:13:11,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 00:13:11,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:11,398 INFO L87 Difference]: Start difference. First operand 7605 states and 10829 transitions. Second operand 3 states. [2020-10-14 00:13:11,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:13:11,707 INFO L93 Difference]: Finished difference Result 16307 states and 22950 transitions. [2020-10-14 00:13:11,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 00:13:11,708 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 289 [2020-10-14 00:13:11,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:13:11,728 INFO L225 Difference]: With dead ends: 16307 [2020-10-14 00:13:11,728 INFO L226 Difference]: Without dead ends: 8781 [2020-10-14 00:13:11,742 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:11,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8781 states. [2020-10-14 00:13:11,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8781 to 7965. [2020-10-14 00:13:11,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7965 states. [2020-10-14 00:13:11,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7965 states to 7965 states and 11357 transitions. [2020-10-14 00:13:11,926 INFO L78 Accepts]: Start accepts. Automaton has 7965 states and 11357 transitions. Word has length 289 [2020-10-14 00:13:11,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:13:11,927 INFO L479 AbstractCegarLoop]: Abstraction has 7965 states and 11357 transitions. [2020-10-14 00:13:11,927 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 00:13:11,927 INFO L276 IsEmpty]: Start isEmpty. Operand 7965 states and 11357 transitions. [2020-10-14 00:13:11,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2020-10-14 00:13:11,946 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:13:11,946 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 12, 12, 12, 10, 10, 8, 8, 7, 7, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:13:11,947 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-14 00:13:11,947 INFO L427 AbstractCegarLoop]: === Iteration 17 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:13:11,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:13:11,947 INFO L82 PathProgramCache]: Analyzing trace with hash 651155958, now seen corresponding path program 1 times [2020-10-14 00:13:11,948 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:13:11,948 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1598027529] [2020-10-14 00:13:11,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:13:11,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:12,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:12,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:12,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 310 [2020-10-14 00:13:12,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:12,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 161 [2020-10-14 00:13:12,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:12,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:12,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:13:12,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 241 [2020-10-14 00:13:12,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 00:13:12,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:12,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:13:12,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:12,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:12,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:12,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:13:12,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:12,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 00:13:12,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:12,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:12,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:13:12,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:13:12,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:13:12,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:12,343 INFO L134 CoverageAnalysis]: Checked inductivity of 1052 backedges. 451 proven. 0 refuted. 0 times theorem prover too weak. 601 trivial. 0 not checked. [2020-10-14 00:13:12,344 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1598027529] [2020-10-14 00:13:12,344 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:13:12,344 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:13:12,345 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688013173] [2020-10-14 00:13:12,346 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 00:13:12,346 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:13:12,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 00:13:12,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:12,347 INFO L87 Difference]: Start difference. First operand 7965 states and 11357 transitions. Second operand 3 states. [2020-10-14 00:13:12,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:13:12,735 INFO L93 Difference]: Finished difference Result 17039 states and 23994 transitions. [2020-10-14 00:13:12,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 00:13:12,735 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 302 [2020-10-14 00:13:12,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:13:12,758 INFO L225 Difference]: With dead ends: 17039 [2020-10-14 00:13:12,758 INFO L226 Difference]: Without dead ends: 9153 [2020-10-14 00:13:12,774 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:12,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9153 states. [2020-10-14 00:13:12,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9153 to 8313. [2020-10-14 00:13:12,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8313 states. [2020-10-14 00:13:12,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8313 states to 8313 states and 11729 transitions. [2020-10-14 00:13:12,965 INFO L78 Accepts]: Start accepts. Automaton has 8313 states and 11729 transitions. Word has length 302 [2020-10-14 00:13:12,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:13:12,966 INFO L479 AbstractCegarLoop]: Abstraction has 8313 states and 11729 transitions. [2020-10-14 00:13:12,966 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 00:13:12,966 INFO L276 IsEmpty]: Start isEmpty. Operand 8313 states and 11729 transitions. [2020-10-14 00:13:12,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2020-10-14 00:13:12,986 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:13:12,986 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 12, 12, 12, 10, 10, 8, 8, 7, 7, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:13:12,986 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-14 00:13:12,987 INFO L427 AbstractCegarLoop]: === Iteration 18 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:13:12,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:13:12,987 INFO L82 PathProgramCache]: Analyzing trace with hash 1702310885, now seen corresponding path program 1 times [2020-10-14 00:13:12,987 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:13:12,988 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1328404907] [2020-10-14 00:13:12,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:13:13,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:13,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:13,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:13,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 311 [2020-10-14 00:13:13,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:13,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 179 [2020-10-14 00:13:13,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:13,213 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:13,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:13:13,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 243 [2020-10-14 00:13:13,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 00:13:13,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:13:13,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:13:13,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:13,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:13,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:13,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:13:13,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:13,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 00:13:13,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:13,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:13,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:13:13,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:13:13,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:13:13,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:13:13,362 INFO L134 CoverageAnalysis]: Checked inductivity of 1052 backedges. 451 proven. 0 refuted. 0 times theorem prover too weak. 601 trivial. 0 not checked. [2020-10-14 00:13:13,362 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1328404907] [2020-10-14 00:13:13,362 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:13:13,363 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:13:13,363 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005685798] [2020-10-14 00:13:13,363 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 00:13:13,364 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:13:13,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 00:13:13,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:13,364 INFO L87 Difference]: Start difference. First operand 8313 states and 11729 transitions. Second operand 3 states. [2020-10-14 00:13:13,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:13:13,619 INFO L93 Difference]: Finished difference Result 17195 states and 23982 transitions. [2020-10-14 00:13:13,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 00:13:13,619 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 303 [2020-10-14 00:13:13,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:13:13,637 INFO L225 Difference]: With dead ends: 17195 [2020-10-14 00:13:13,637 INFO L226 Difference]: Without dead ends: 7915 [2020-10-14 00:13:13,654 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:13,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7915 states. [2020-10-14 00:13:13,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7915 to 7891. [2020-10-14 00:13:13,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7891 states. [2020-10-14 00:13:13,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7891 states to 7891 states and 11101 transitions. [2020-10-14 00:13:13,810 INFO L78 Accepts]: Start accepts. Automaton has 7891 states and 11101 transitions. Word has length 303 [2020-10-14 00:13:13,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:13:13,811 INFO L479 AbstractCegarLoop]: Abstraction has 7891 states and 11101 transitions. [2020-10-14 00:13:13,811 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 00:13:13,811 INFO L276 IsEmpty]: Start isEmpty. Operand 7891 states and 11101 transitions. [2020-10-14 00:13:13,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2020-10-14 00:13:13,830 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:13:13,831 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 12, 11, 11, 9, 9, 8, 8, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:13:13,831 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-14 00:13:13,831 INFO L427 AbstractCegarLoop]: === Iteration 19 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:13:13,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:13:13,832 INFO L82 PathProgramCache]: Analyzing trace with hash -1319826261, now seen corresponding path program 1 times [2020-10-14 00:13:13,832 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:13:13,832 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [335602602] [2020-10-14 00:13:13,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:13:13,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:13,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:14,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:14,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 321 [2020-10-14 00:13:14,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:14,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 341 [2020-10-14 00:13:14,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:14,223 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:14,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 00:13:14,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 242 [2020-10-14 00:13:14,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-14 00:13:14,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:13:14,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:13:14,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:14,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:14,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:14,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:13:14,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:14,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 00:13:14,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:14,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:14,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:13:14,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:13:14,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:13:14,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:14,329 INFO L134 CoverageAnalysis]: Checked inductivity of 1053 backedges. 472 proven. 12 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2020-10-14 00:13:14,329 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [335602602] [2020-10-14 00:13:14,329 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:13:14,329 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-10-14 00:13:14,330 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721811777] [2020-10-14 00:13:14,330 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 00:13:14,330 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:13:14,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 00:13:14,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 00:13:14,331 INFO L87 Difference]: Start difference. First operand 7891 states and 11101 transitions. Second operand 4 states. [2020-10-14 00:13:14,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:13:14,883 INFO L93 Difference]: Finished difference Result 18578 states and 26274 transitions. [2020-10-14 00:13:14,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:13:14,883 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 313 [2020-10-14 00:13:14,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:13:14,903 INFO L225 Difference]: With dead ends: 18578 [2020-10-14 00:13:14,904 INFO L226 Difference]: Without dead ends: 10403 [2020-10-14 00:13:14,916 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:13:14,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10403 states. [2020-10-14 00:13:15,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10403 to 8534. [2020-10-14 00:13:15,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8534 states. [2020-10-14 00:13:15,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8534 states to 8534 states and 12041 transitions. [2020-10-14 00:13:15,122 INFO L78 Accepts]: Start accepts. Automaton has 8534 states and 12041 transitions. Word has length 313 [2020-10-14 00:13:15,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:13:15,122 INFO L479 AbstractCegarLoop]: Abstraction has 8534 states and 12041 transitions. [2020-10-14 00:13:15,123 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 00:13:15,123 INFO L276 IsEmpty]: Start isEmpty. Operand 8534 states and 12041 transitions. [2020-10-14 00:13:15,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2020-10-14 00:13:15,144 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:13:15,145 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 12, 11, 11, 9, 9, 8, 8, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:13:15,145 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-14 00:13:15,145 INFO L427 AbstractCegarLoop]: === Iteration 20 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:13:15,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:13:15,145 INFO L82 PathProgramCache]: Analyzing trace with hash 2043908506, now seen corresponding path program 1 times [2020-10-14 00:13:15,146 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:13:15,146 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1748376942] [2020-10-14 00:13:15,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:13:15,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:15,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:15,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:15,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 322 [2020-10-14 00:13:15,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:15,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 327 [2020-10-14 00:13:15,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:15,532 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:15,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 00:13:15,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 242 [2020-10-14 00:13:15,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-14 00:13:15,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:15,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:13:15,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:15,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:15,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:15,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:13:15,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:15,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 00:13:15,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:15,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:15,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:13:15,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:13:15,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:13:15,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:15,649 INFO L134 CoverageAnalysis]: Checked inductivity of 1053 backedges. 472 proven. 12 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2020-10-14 00:13:15,650 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1748376942] [2020-10-14 00:13:15,650 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:13:15,650 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-10-14 00:13:15,650 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389726367] [2020-10-14 00:13:15,651 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 00:13:15,651 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:13:15,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 00:13:15,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 00:13:15,652 INFO L87 Difference]: Start difference. First operand 8534 states and 12041 transitions. Second operand 4 states. [2020-10-14 00:13:15,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:13:15,966 INFO L93 Difference]: Finished difference Result 11585 states and 16375 transitions. [2020-10-14 00:13:15,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-14 00:13:15,967 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 314 [2020-10-14 00:13:15,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:13:15,976 INFO L225 Difference]: With dead ends: 11585 [2020-10-14 00:13:15,976 INFO L226 Difference]: Without dead ends: 4553 [2020-10-14 00:13:15,988 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:13:15,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4553 states. [2020-10-14 00:13:16,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4553 to 4553. [2020-10-14 00:13:16,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4553 states. [2020-10-14 00:13:16,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4553 states to 4553 states and 6459 transitions. [2020-10-14 00:13:16,073 INFO L78 Accepts]: Start accepts. Automaton has 4553 states and 6459 transitions. Word has length 314 [2020-10-14 00:13:16,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:13:16,073 INFO L479 AbstractCegarLoop]: Abstraction has 4553 states and 6459 transitions. [2020-10-14 00:13:16,074 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 00:13:16,074 INFO L276 IsEmpty]: Start isEmpty. Operand 4553 states and 6459 transitions. [2020-10-14 00:13:16,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2020-10-14 00:13:16,086 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:13:16,086 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 13, 13, 13, 13, 13, 11, 11, 9, 9, 8, 8, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:13:16,087 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-14 00:13:16,087 INFO L427 AbstractCegarLoop]: === Iteration 21 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:13:16,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:13:16,087 INFO L82 PathProgramCache]: Analyzing trace with hash 1619434322, now seen corresponding path program 1 times [2020-10-14 00:13:16,087 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:13:16,088 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1263474669] [2020-10-14 00:13:16,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:13:16,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:16,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:16,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:16,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 347 [2020-10-14 00:13:16,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:16,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 341 [2020-10-14 00:13:16,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:16,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:16,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 00:13:16,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 242 [2020-10-14 00:13:16,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-14 00:13:16,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:13:16,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:13:16,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:16,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:16,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:16,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:13:16,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:16,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 00:13:16,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:16,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:16,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:13:16,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:13:16,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:13:16,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:16,611 INFO L134 CoverageAnalysis]: Checked inductivity of 1255 backedges. 649 proven. 5 refuted. 0 times theorem prover too weak. 601 trivial. 0 not checked. [2020-10-14 00:13:16,612 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1263474669] [2020-10-14 00:13:16,612 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:13:16,612 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-10-14 00:13:16,612 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653630684] [2020-10-14 00:13:16,613 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 00:13:16,613 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:13:16,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 00:13:16,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 00:13:16,614 INFO L87 Difference]: Start difference. First operand 4553 states and 6459 transitions. Second operand 4 states. [2020-10-14 00:13:16,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:13:16,806 INFO L93 Difference]: Finished difference Result 6776 states and 9423 transitions. [2020-10-14 00:13:16,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-14 00:13:16,806 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 339 [2020-10-14 00:13:16,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:13:16,807 INFO L225 Difference]: With dead ends: 6776 [2020-10-14 00:13:16,807 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 00:13:16,814 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:13:16,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 00:13:16,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 00:13:16,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 00:13:16,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 00:13:16,815 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 339 [2020-10-14 00:13:16,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:13:16,816 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 00:13:16,816 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 00:13:16,816 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 00:13:16,816 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 00:13:16,816 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-14 00:13:16,818 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 00:13:17,150 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 42 [2020-10-14 00:13:17,505 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 84 [2020-10-14 00:13:17,798 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 28 [2020-10-14 00:13:18,286 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 3 [2020-10-14 00:13:18,304 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-10-14 00:13:18,304 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 00:13:18,304 INFO L268 CegarLoopResult]: For program point L300(lines 300 304) no Hoare annotation was computed. [2020-10-14 00:13:18,304 INFO L268 CegarLoopResult]: For program point L300-2(lines 300 304) no Hoare annotation was computed. [2020-10-14 00:13:18,305 INFO L268 CegarLoopResult]: For program point L168(lines 168 549) no Hoare annotation was computed. [2020-10-14 00:13:18,305 INFO L268 CegarLoopResult]: For program point L135(lines 135 560) no Hoare annotation was computed. [2020-10-14 00:13:18,305 INFO L268 CegarLoopResult]: For program point L102(lines 102 571) no Hoare annotation was computed. [2020-10-14 00:13:18,305 INFO L268 CegarLoopResult]: For program point L433(lines 433 437) no Hoare annotation was computed. [2020-10-14 00:13:18,305 INFO L268 CegarLoopResult]: For program point L433-2(lines 203 535) no Hoare annotation was computed. [2020-10-14 00:13:18,305 INFO L271 CegarLoopResult]: At program point L202(lines 201 538) the Hoare annotation is: true [2020-10-14 00:13:18,305 INFO L264 CegarLoopResult]: At program point L169(lines 165 550) the Hoare annotation is: (and (<= ssl3_connect_~blastFlag~0 4) (<= ssl3_connect_~s__state~0 4512) (<= 4432 ssl3_connect_~s__state~0)) [2020-10-14 00:13:18,306 INFO L264 CegarLoopResult]: At program point L103(lines 102 571) the Hoare annotation is: (and (<= 4560 ssl3_connect_~s__state~0) (<= ssl3_connect_~blastFlag~0 3)) [2020-10-14 00:13:18,306 INFO L268 CegarLoopResult]: For program point L368(lines 368 372) no Hoare annotation was computed. [2020-10-14 00:13:18,306 INFO L268 CegarLoopResult]: For program point L402(lines 402 407) no Hoare annotation was computed. [2020-10-14 00:13:18,306 INFO L268 CegarLoopResult]: For program point L402-2(lines 402 407) no Hoare annotation was computed. [2020-10-14 00:13:18,306 INFO L268 CegarLoopResult]: For program point L171(lines 171 548) no Hoare annotation was computed. [2020-10-14 00:13:18,306 INFO L268 CegarLoopResult]: For program point L138(lines 138 559) no Hoare annotation was computed. [2020-10-14 00:13:18,306 INFO L268 CegarLoopResult]: For program point L105(lines 105 570) no Hoare annotation was computed. [2020-10-14 00:13:18,307 INFO L264 CegarLoopResult]: At program point L139(lines 135 560) the Hoare annotation is: (and (<= 4352 ssl3_connect_~s__state~0) (<= ssl3_connect_~blastFlag~0 3) (<= ssl3_connect_~s__state~0 4432)) [2020-10-14 00:13:18,307 INFO L264 CegarLoopResult]: At program point L536(lines 99 602) the Hoare annotation is: (let ((.cse0 (<= ssl3_connect_~s__state~0 4352)) (.cse2 (<= 4352 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~blastFlag~0 4)) (.cse3 (= ssl3_connect_~s__hit~0 0)) (.cse4 (= ssl3_connect_~s__s3__tmp__next_state___0~0 4560))) (or (<= ssl3_connect_~s__state~0 3) (and .cse0 .cse1 .cse2 (not .cse3) (<= ssl3_connect_~s__s3__tmp__next_state___0~0 3)) (and .cse0 .cse1 .cse3 .cse2 .cse4) (and .cse1 (<= ssl3_connect_~s__state~0 4528) (<= 4432 ssl3_connect_~s__state~0)) (and .cse1 (= ssl3_connect_~s__state~0 4560) .cse3 .cse4) (<= ssl3_connect_~blastFlag~0 3))) [2020-10-14 00:13:18,307 INFO L268 CegarLoopResult]: For program point L74(lines 74 82) no Hoare annotation was computed. [2020-10-14 00:13:18,307 INFO L271 CegarLoopResult]: At program point L603(lines 98 604) the Hoare annotation is: true [2020-10-14 00:13:18,307 INFO L268 CegarLoopResult]: For program point L174(lines 174 547) no Hoare annotation was computed. [2020-10-14 00:13:18,308 INFO L268 CegarLoopResult]: For program point L141(lines 141 558) no Hoare annotation was computed. [2020-10-14 00:13:18,308 INFO L268 CegarLoopResult]: For program point L108(lines 108 569) no Hoare annotation was computed. [2020-10-14 00:13:18,308 INFO L268 CegarLoopResult]: For program point L373(lines 373 377) no Hoare annotation was computed. [2020-10-14 00:13:18,308 INFO L268 CegarLoopResult]: For program point L373-2(lines 373 377) no Hoare annotation was computed. [2020-10-14 00:13:18,308 INFO L264 CegarLoopResult]: At program point L208(lines 105 570) the Hoare annotation is: (<= ssl3_connect_~blastFlag~0 3) [2020-10-14 00:13:18,308 INFO L264 CegarLoopResult]: At program point L175(lines 171 548) the Hoare annotation is: (and (<= ssl3_connect_~blastFlag~0 4) (<= ssl3_connect_~s__state~0 4512) (<= 4432 ssl3_connect_~s__state~0)) [2020-10-14 00:13:18,308 INFO L268 CegarLoopResult]: For program point L572(lines 572 600) no Hoare annotation was computed. [2020-10-14 00:13:18,309 INFO L268 CegarLoopResult]: For program point L77(lines 77 81) no Hoare annotation was computed. [2020-10-14 00:13:18,309 INFO L268 CegarLoopResult]: For program point L77-2(lines 74 82) no Hoare annotation was computed. [2020-10-14 00:13:18,309 INFO L268 CegarLoopResult]: For program point L573(lines 573 597) no Hoare annotation was computed. [2020-10-14 00:13:18,309 INFO L268 CegarLoopResult]: For program point L507-1(lines 203 535) no Hoare annotation was computed. [2020-10-14 00:13:18,309 INFO L268 CegarLoopResult]: For program point L342(lines 342 347) no Hoare annotation was computed. [2020-10-14 00:13:18,309 INFO L268 CegarLoopResult]: For program point L276(lines 276 280) no Hoare annotation was computed. [2020-10-14 00:13:18,309 INFO L268 CegarLoopResult]: For program point L309-1(lines 309 323) no Hoare annotation was computed. [2020-10-14 00:13:18,309 INFO L268 CegarLoopResult]: For program point L177(lines 177 546) no Hoare annotation was computed. [2020-10-14 00:13:18,309 INFO L268 CegarLoopResult]: For program point L144(lines 144 557) no Hoare annotation was computed. [2020-10-14 00:13:18,310 INFO L268 CegarLoopResult]: For program point L111(lines 111 568) no Hoare annotation was computed. [2020-10-14 00:13:18,310 INFO L268 CegarLoopResult]: For program point L607(lines 607 611) no Hoare annotation was computed. [2020-10-14 00:13:18,310 INFO L268 CegarLoopResult]: For program point L574(lines 574 583) no Hoare annotation was computed. [2020-10-14 00:13:18,310 INFO L268 CegarLoopResult]: For program point L607-2(lines 607 611) no Hoare annotation was computed. [2020-10-14 00:13:18,310 INFO L268 CegarLoopResult]: For program point L574-2(lines 573 595) no Hoare annotation was computed. [2020-10-14 00:13:18,310 INFO L264 CegarLoopResult]: At program point L145(lines 141 558) the Hoare annotation is: (and (<= ssl3_connect_~blastFlag~0 4) (<= ssl3_connect_~s__state~0 4448) (<= 4432 ssl3_connect_~s__state~0)) [2020-10-14 00:13:18,310 INFO L268 CegarLoopResult]: For program point L576(lines 576 580) no Hoare annotation was computed. [2020-10-14 00:13:18,311 INFO L268 CegarLoopResult]: For program point L444(lines 444 449) no Hoare annotation was computed. [2020-10-14 00:13:18,311 INFO L268 CegarLoopResult]: For program point L213(lines 213 217) no Hoare annotation was computed. [2020-10-14 00:13:18,311 INFO L268 CegarLoopResult]: For program point L180(lines 180 545) no Hoare annotation was computed. [2020-10-14 00:13:18,311 INFO L268 CegarLoopResult]: For program point L147(lines 147 556) no Hoare annotation was computed. [2020-10-14 00:13:18,311 INFO L268 CegarLoopResult]: For program point L213-2(lines 203 535) no Hoare annotation was computed. [2020-10-14 00:13:18,311 INFO L268 CegarLoopResult]: For program point L114(lines 114 567) no Hoare annotation was computed. [2020-10-14 00:13:18,311 INFO L268 CegarLoopResult]: For program point L478(lines 478 482) no Hoare annotation was computed. [2020-10-14 00:13:18,311 INFO L268 CegarLoopResult]: For program point L313(lines 313 317) no Hoare annotation was computed. [2020-10-14 00:13:18,311 INFO L268 CegarLoopResult]: For program point L313-2(lines 311 323) no Hoare annotation was computed. [2020-10-14 00:13:18,312 INFO L264 CegarLoopResult]: At program point L181(lines 177 546) the Hoare annotation is: (and (<= ssl3_connect_~blastFlag~0 4) (<= ssl3_connect_~s__state~0 4528) (<= 4432 ssl3_connect_~s__state~0)) [2020-10-14 00:13:18,312 INFO L268 CegarLoopResult]: For program point L512-1(lines 512 516) no Hoare annotation was computed. [2020-10-14 00:13:18,312 INFO L268 CegarLoopResult]: For program point L413(lines 413 417) no Hoare annotation was computed. [2020-10-14 00:13:18,312 INFO L268 CegarLoopResult]: For program point L249(lines 249 254) no Hoare annotation was computed. [2020-10-14 00:13:18,312 INFO L268 CegarLoopResult]: For program point L183(lines 183 544) no Hoare annotation was computed. [2020-10-14 00:13:18,312 INFO L268 CegarLoopResult]: For program point L150(lines 150 555) no Hoare annotation was computed. [2020-10-14 00:13:18,312 INFO L268 CegarLoopResult]: For program point L117(lines 117 566) no Hoare annotation was computed. [2020-10-14 00:13:18,312 INFO L268 CegarLoopResult]: For program point L84(lines 84 92) no Hoare annotation was computed. [2020-10-14 00:13:18,313 INFO L268 CegarLoopResult]: For program point L84-1(lines 66 620) no Hoare annotation was computed. [2020-10-14 00:13:18,313 INFO L271 CegarLoopResult]: At program point ssl3_connectENTRY(lines 8 621) the Hoare annotation is: true [2020-10-14 00:13:18,313 INFO L264 CegarLoopResult]: At program point L151(lines 147 556) the Hoare annotation is: (and (<= ssl3_connect_~blastFlag~0 4) (<= ssl3_connect_~s__state~0 4480) (<= 4432 ssl3_connect_~s__state~0)) [2020-10-14 00:13:18,313 INFO L268 CegarLoopResult]: For program point L85(lines 85 89) no Hoare annotation was computed. [2020-10-14 00:13:18,313 INFO L268 CegarLoopResult]: For program point L483(lines 483 487) no Hoare annotation was computed. [2020-10-14 00:13:18,313 INFO L268 CegarLoopResult]: For program point L483-2(lines 483 487) no Hoare annotation was computed. [2020-10-14 00:13:18,313 INFO L268 CegarLoopResult]: For program point L285(lines 285 293) no Hoare annotation was computed. [2020-10-14 00:13:18,313 INFO L268 CegarLoopResult]: For program point L186(lines 186 543) no Hoare annotation was computed. [2020-10-14 00:13:18,314 INFO L268 CegarLoopResult]: For program point L153(lines 153 554) no Hoare annotation was computed. [2020-10-14 00:13:18,314 INFO L268 CegarLoopResult]: For program point L120(lines 120 565) no Hoare annotation was computed. [2020-10-14 00:13:18,314 INFO L268 CegarLoopResult]: For program point L385(lines 385 389) no Hoare annotation was computed. [2020-10-14 00:13:18,314 INFO L268 CegarLoopResult]: For program point L352(lines 352 356) no Hoare annotation was computed. [2020-10-14 00:13:18,314 INFO L264 CegarLoopResult]: At program point L187(lines 183 544) the Hoare annotation is: (and (<= ssl3_connect_~blastFlag~0 4) (<= 4432 ssl3_connect_~s__state~0)) [2020-10-14 00:13:18,314 INFO L264 CegarLoopResult]: At program point L121(lines 117 566) the Hoare annotation is: (and (<= 4352 ssl3_connect_~s__state~0) (<= ssl3_connect_~blastFlag~0 3) (<= ssl3_connect_~s__state~0 4432)) [2020-10-14 00:13:18,314 INFO L264 CegarLoopResult]: At program point L353(lines 66 620) the Hoare annotation is: false [2020-10-14 00:13:18,315 INFO L271 CegarLoopResult]: At program point L618(lines 66 620) the Hoare annotation is: true [2020-10-14 00:13:18,315 INFO L268 CegarLoopResult]: For program point L585(lines 585 591) no Hoare annotation was computed. [2020-10-14 00:13:18,315 INFO L268 CegarLoopResult]: For program point L519(lines 519 523) no Hoare annotation was computed. [2020-10-14 00:13:18,315 INFO L268 CegarLoopResult]: For program point L519-2(lines 519 523) no Hoare annotation was computed. [2020-10-14 00:13:18,315 INFO L268 CegarLoopResult]: For program point L288(lines 288 292) no Hoare annotation was computed. [2020-10-14 00:13:18,315 INFO L268 CegarLoopResult]: For program point L288-2(lines 203 535) no Hoare annotation was computed. [2020-10-14 00:13:18,315 INFO L268 CegarLoopResult]: For program point L189(lines 189 542) no Hoare annotation was computed. [2020-10-14 00:13:18,316 INFO L268 CegarLoopResult]: For program point L156(lines 156 553) no Hoare annotation was computed. [2020-10-14 00:13:18,316 INFO L268 CegarLoopResult]: For program point L123(lines 123 564) no Hoare annotation was computed. [2020-10-14 00:13:18,316 INFO L268 CegarLoopResult]: For program point L454(lines 454 458) no Hoare annotation was computed. [2020-10-14 00:13:18,316 INFO L268 CegarLoopResult]: For program point ssl3_connectEXIT(lines 8 621) no Hoare annotation was computed. [2020-10-14 00:13:18,316 INFO L268 CegarLoopResult]: For program point L357(lines 357 361) no Hoare annotation was computed. [2020-10-14 00:13:18,316 INFO L268 CegarLoopResult]: For program point L225(lines 225 242) no Hoare annotation was computed. [2020-10-14 00:13:18,317 INFO L268 CegarLoopResult]: For program point L192(lines 192 541) no Hoare annotation was computed. [2020-10-14 00:13:18,317 INFO L268 CegarLoopResult]: For program point L159(lines 159 552) no Hoare annotation was computed. [2020-10-14 00:13:18,317 INFO L268 CegarLoopResult]: For program point L225-2(lines 203 535) no Hoare annotation was computed. [2020-10-14 00:13:18,317 INFO L268 CegarLoopResult]: For program point L126(lines 126 563) no Hoare annotation was computed. [2020-10-14 00:13:18,317 INFO L268 CegarLoopResult]: For program point ssl3_connectFINAL(lines 8 621) no Hoare annotation was computed. [2020-10-14 00:13:18,317 INFO L264 CegarLoopResult]: At program point L193(lines 189 542) the Hoare annotation is: (or (and (= ssl3_connect_~s__hit~0 0) (<= 4432 ssl3_connect_~s__state~0)) (and (<= 4560 ssl3_connect_~s__state~0) (<= ssl3_connect_~blastFlag~0 3))) [2020-10-14 00:13:18,317 INFO L264 CegarLoopResult]: At program point L127(lines 123 564) the Hoare annotation is: (and (<= 4352 ssl3_connect_~s__state~0) (<= ssl3_connect_~blastFlag~0 3) (<= ssl3_connect_~s__state~0 4432)) [2020-10-14 00:13:18,318 INFO L268 CegarLoopResult]: For program point L491-1(lines 491 503) no Hoare annotation was computed. [2020-10-14 00:13:18,318 INFO L268 CegarLoopResult]: For program point L425(lines 425 429) no Hoare annotation was computed. [2020-10-14 00:13:18,318 INFO L268 CegarLoopResult]: For program point L227(lines 227 232) no Hoare annotation was computed. [2020-10-14 00:13:18,318 INFO L268 CegarLoopResult]: For program point L195(lines 195 540) no Hoare annotation was computed. [2020-10-14 00:13:18,318 INFO L268 CegarLoopResult]: For program point L162(lines 162 551) no Hoare annotation was computed. [2020-10-14 00:13:18,318 INFO L268 CegarLoopResult]: For program point L129(lines 129 562) no Hoare annotation was computed. [2020-10-14 00:13:18,318 INFO L268 CegarLoopResult]: For program point L526(lines 526 530) no Hoare annotation was computed. [2020-10-14 00:13:18,319 INFO L264 CegarLoopResult]: At program point L196(lines 195 540) the Hoare annotation is: (let ((.cse1 (<= ssl3_connect_~blastFlag~0 4)) (.cse3 (= ssl3_connect_~s__hit~0 0)) (.cse0 (<= ssl3_connect_~s__state~0 4352)) (.cse2 (<= 4352 ssl3_connect_~s__state~0))) (or (and .cse0 .cse1 .cse2 (not .cse3) (<= ssl3_connect_~s__s3__tmp__next_state___0~0 3)) (and .cse0 .cse1 .cse3 .cse2 (= ssl3_connect_~s__s3__tmp__next_state___0~0 4560)) (and .cse0 .cse2 (<= ssl3_connect_~blastFlag~0 3)))) [2020-10-14 00:13:18,319 INFO L264 CegarLoopResult]: At program point L163(lines 153 554) the Hoare annotation is: (and (<= ssl3_connect_~blastFlag~0 4) (<= ssl3_connect_~s__state~0 4480) (<= 4432 ssl3_connect_~s__state~0)) [2020-10-14 00:13:18,319 INFO L268 CegarLoopResult]: For program point ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION(line 614) no Hoare annotation was computed. [2020-10-14 00:13:18,319 INFO L268 CegarLoopResult]: For program point L494(lines 494 499) no Hoare annotation was computed. [2020-10-14 00:13:18,319 INFO L268 CegarLoopResult]: For program point L461(lines 461 472) no Hoare annotation was computed. [2020-10-14 00:13:18,320 INFO L268 CegarLoopResult]: For program point L461-1(lines 461 472) no Hoare annotation was computed. [2020-10-14 00:13:18,320 INFO L268 CegarLoopResult]: For program point L263(lines 263 267) no Hoare annotation was computed. [2020-10-14 00:13:18,320 INFO L268 CegarLoopResult]: For program point L263-2(lines 203 535) no Hoare annotation was computed. [2020-10-14 00:13:18,320 INFO L268 CegarLoopResult]: For program point L396(lines 396 400) no Hoare annotation was computed. [2020-10-14 00:13:18,320 INFO L268 CegarLoopResult]: For program point L330(lines 330 334) no Hoare annotation was computed. [2020-10-14 00:13:18,320 INFO L268 CegarLoopResult]: For program point L330-2(lines 203 535) no Hoare annotation was computed. [2020-10-14 00:13:18,320 INFO L268 CegarLoopResult]: For program point L198(lines 198 539) no Hoare annotation was computed. [2020-10-14 00:13:18,321 INFO L268 CegarLoopResult]: For program point L165(lines 165 550) no Hoare annotation was computed. [2020-10-14 00:13:18,321 INFO L268 CegarLoopResult]: For program point L132(lines 132 561) no Hoare annotation was computed. [2020-10-14 00:13:18,321 INFO L268 CegarLoopResult]: For program point L99-1(lines 66 620) no Hoare annotation was computed. [2020-10-14 00:13:18,321 INFO L268 CegarLoopResult]: For program point L463(lines 463 469) no Hoare annotation was computed. [2020-10-14 00:13:18,321 INFO L271 CegarLoopResult]: At program point L199(lines 198 539) the Hoare annotation is: true [2020-10-14 00:13:18,321 INFO L264 CegarLoopResult]: At program point L133(lines 129 562) the Hoare annotation is: (and (<= 4352 ssl3_connect_~s__state~0) (<= ssl3_connect_~blastFlag~0 3) (<= ssl3_connect_~s__state~0 4432)) [2020-10-14 00:13:18,321 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-14 00:13:18,322 INFO L268 CegarLoopResult]: For program point L233(lines 233 238) no Hoare annotation was computed. [2020-10-14 00:13:18,322 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 00:13:18,322 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-14 00:13:18,322 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 00:13:18,322 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 00:13:18,322 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 622 632) the Hoare annotation is: true [2020-10-14 00:13:18,322 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 622 632) no Hoare annotation was computed. [2020-10-14 00:13:18,323 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 622 632) no Hoare annotation was computed. [2020-10-14 00:13:18,323 INFO L271 CegarLoopResult]: At program point L627(line 627) the Hoare annotation is: true [2020-10-14 00:13:18,323 INFO L268 CegarLoopResult]: For program point L627-1(line 627) no Hoare annotation was computed. [2020-10-14 00:13:18,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 12:13:18 BoogieIcfgContainer [2020-10-14 00:13:18,343 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 00:13:18,345 INFO L168 Benchmark]: Toolchain (without parser) took 19101.31 ms. Allocated memory was 147.8 MB in the beginning and 830.5 MB in the end (delta: 682.6 MB). Free memory was 103.4 MB in the beginning and 124.3 MB in the end (delta: -20.9 MB). Peak memory consumption was 661.7 MB. Max. memory is 7.1 GB. [2020-10-14 00:13:18,346 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.0 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. [2020-10-14 00:13:18,346 INFO L168 Benchmark]: CACSL2BoogieTranslator took 519.20 ms. Allocated memory was 147.8 MB in the beginning and 203.4 MB in the end (delta: 55.6 MB). Free memory was 103.4 MB in the beginning and 178.6 MB in the end (delta: -75.3 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. [2020-10-14 00:13:18,347 INFO L168 Benchmark]: Boogie Preprocessor took 54.55 ms. Allocated memory is still 203.4 MB. Free memory was 178.6 MB in the beginning and 176.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2020-10-14 00:13:18,348 INFO L168 Benchmark]: RCFGBuilder took 702.36 ms. Allocated memory is still 203.4 MB. Free memory was 176.7 MB in the beginning and 130.3 MB in the end (delta: 46.4 MB). Peak memory consumption was 46.4 MB. Max. memory is 7.1 GB. [2020-10-14 00:13:18,348 INFO L168 Benchmark]: TraceAbstraction took 17820.13 ms. Allocated memory was 203.4 MB in the beginning and 830.5 MB in the end (delta: 627.0 MB). Free memory was 130.3 MB in the beginning and 124.3 MB in the end (delta: 6.0 MB). Peak memory consumption was 633.1 MB. Max. memory is 7.1 GB. [2020-10-14 00:13:18,352 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.0 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 519.20 ms. Allocated memory was 147.8 MB in the beginning and 203.4 MB in the end (delta: 55.6 MB). Free memory was 103.4 MB in the beginning and 178.6 MB in the end (delta: -75.3 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 54.55 ms. Allocated memory is still 203.4 MB. Free memory was 178.6 MB in the beginning and 176.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 702.36 ms. Allocated memory is still 203.4 MB. Free memory was 176.7 MB in the beginning and 130.3 MB in the end (delta: 46.4 MB). Peak memory consumption was 46.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 17820.13 ms. Allocated memory was 203.4 MB in the beginning and 830.5 MB in the end (delta: 627.0 MB). Free memory was 130.3 MB in the beginning and 124.3 MB in the end (delta: 6.0 MB). Peak memory consumption was 633.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 614]: 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: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: (s__hit == 0 && 4432 <= s__state) || (4560 <= s__state && blastFlag <= 3) - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: (blastFlag <= 4 && s__state <= 4480) && 4432 <= s__state - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: (blastFlag <= 4 && s__state <= 4528) && 4432 <= s__state - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: (4352 <= s__state && blastFlag <= 3) && s__state <= 4432 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: (blastFlag <= 4 && s__state <= 4512) && 4432 <= s__state - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: (4352 <= s__state && blastFlag <= 3) && s__state <= 4432 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: (((((s__state <= 4352 && blastFlag <= 4) && 4352 <= s__state) && !(s__hit == 0)) && s__s3__tmp__next_state___0 <= 3) || ((((s__state <= 4352 && blastFlag <= 4) && s__hit == 0) && 4352 <= s__state) && s__s3__tmp__next_state___0 == 4560)) || ((s__state <= 4352 && 4352 <= s__state) && blastFlag <= 3) - InvariantResult [Line: 153]: Loop Invariant Derived loop invariant: (blastFlag <= 4 && s__state <= 4480) && 4432 <= s__state - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: ((((s__state <= 3 || ((((s__state <= 4352 && blastFlag <= 4) && 4352 <= s__state) && !(s__hit == 0)) && s__s3__tmp__next_state___0 <= 3)) || ((((s__state <= 4352 && blastFlag <= 4) && s__hit == 0) && 4352 <= s__state) && s__s3__tmp__next_state___0 == 4560)) || ((blastFlag <= 4 && s__state <= 4528) && 4432 <= s__state)) || (((blastFlag <= 4 && s__state == 4560) && s__hit == 0) && s__s3__tmp__next_state___0 == 4560)) || blastFlag <= 3 - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: 4560 <= s__state && blastFlag <= 3 - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: (blastFlag <= 4 && s__state <= 4448) && 4432 <= s__state - InvariantResult [Line: 98]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: blastFlag <= 4 && 4432 <= s__state - InvariantResult [Line: 105]: Loop Invariant Derived loop invariant: blastFlag <= 3 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: (4352 <= s__state && blastFlag <= 3) && s__state <= 4432 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: (blastFlag <= 4 && s__state <= 4512) && 4432 <= s__state - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: (4352 <= s__state && blastFlag <= 3) && s__state <= 4432 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 134 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 16.2s, OverallIterations: 21, TraceHistogramMax: 15, AutomataDifference: 4.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4032 SDtfs, 2079 SDslu, 2646 SDs, 0 SdLazy, 1797 SolverSat, 459 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 114 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8534occurred in iteration=19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.9s AutomataMinimizationTime, 21 MinimizatonAttempts, 4259 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 27 LocationsWithAnnotation, 27 PreInvPairs, 445 NumberOfFragments, 250 HoareAnnotationTreeSize, 27 FomulaSimplifications, 124231 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 27 FomulaSimplificationsInter, 21497 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 7.0s InterpolantComputationTime, 4265 NumberOfCodeBlocks, 4265 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 4244 ConstructedInterpolants, 0 QuantifiedInterpolants, 1562768 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 18 PerfectInterpolantSequences, 12375/12404 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...