/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ssh-simplified/s3_clnt_4.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 10:07:46,971 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 10:07:46,974 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 10:07:46,998 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 10:07:46,999 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 10:07:47,000 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 10:07:47,001 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 10:07:47,003 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 10:07:47,005 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 10:07:47,005 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 10:07:47,006 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 10:07:47,007 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 10:07:47,008 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 10:07:47,009 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 10:07:47,010 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 10:07:47,011 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 10:07:47,012 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 10:07:47,013 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 10:07:47,014 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 10:07:47,016 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 10:07:47,017 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 10:07:47,018 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 10:07:47,020 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 10:07:47,021 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 10:07:47,023 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 10:07:47,023 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 10:07:47,024 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 10:07:47,024 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 10:07:47,025 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 10:07:47,026 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 10:07:47,026 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 10:07:47,027 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 10:07:47,027 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 10:07:47,028 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 10:07:47,029 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 10:07:47,029 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 10:07:47,030 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 10:07:47,030 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 10:07:47,030 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 10:07:47,031 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 10:07:47,032 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 10:07:47,033 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-14 10:07:47,055 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 10:07:47,055 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 10:07:47,056 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 10:07:47,056 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 10:07:47,057 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 10:07:47,057 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 10:07:47,057 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 10:07:47,057 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 10:07:47,057 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 10:07:47,058 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 10:07:47,058 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 10:07:47,058 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 10:07:47,058 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 10:07:47,058 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 10:07:47,058 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 10:07:47,059 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 10:07:47,059 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 10:07:47,059 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 10:07:47,059 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 10:07:47,059 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 10:07:47,060 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 10:07:47,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 10:07:47,060 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 10:07:47,060 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 10:07:47,060 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 10:07:47,061 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 10:07:47,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 10:07:47,061 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 10:07:47,061 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 10:07:47,061 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 10:07:47,419 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 10:07:47,439 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 10:07:47,445 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 10:07:47,450 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 10:07:47,450 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 10:07:47,451 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh-simplified/s3_clnt_4.cil-1.c [2020-10-14 10:07:47,517 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e105695fc/81c6a1ad1e174335b61749a9daf41df3/FLAG09e9e3c17 [2020-10-14 10:07:47,967 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 10:07:47,971 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ssh-simplified/s3_clnt_4.cil-1.c [2020-10-14 10:07:47,993 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e105695fc/81c6a1ad1e174335b61749a9daf41df3/FLAG09e9e3c17 [2020-10-14 10:07:48,354 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e105695fc/81c6a1ad1e174335b61749a9daf41df3 [2020-10-14 10:07:48,364 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 10:07:48,366 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 10:07:48,367 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 10:07:48,367 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 10:07:48,371 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 10:07:48,372 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:07:48" (1/1) ... [2020-10-14 10:07:48,375 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30380f1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:07:48, skipping insertion in model container [2020-10-14 10:07:48,375 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:07:48" (1/1) ... [2020-10-14 10:07:48,383 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 10:07:48,421 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 10:07:48,685 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 10:07:48,690 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 10:07:48,847 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 10:07:48,869 INFO L208 MainTranslator]: Completed translation [2020-10-14 10:07:48,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:07:48 WrapperNode [2020-10-14 10:07:48,869 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 10:07:48,871 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 10:07:48,871 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 10:07:48,871 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 10:07:48,881 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:07:48" (1/1) ... [2020-10-14 10:07:48,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:07:48" (1/1) ... [2020-10-14 10:07:48,892 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:07:48" (1/1) ... [2020-10-14 10:07:48,893 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:07:48" (1/1) ... [2020-10-14 10:07:48,905 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:07:48" (1/1) ... [2020-10-14 10:07:48,918 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:07:48" (1/1) ... [2020-10-14 10:07:48,922 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:07:48" (1/1) ... [2020-10-14 10:07:48,926 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 10:07:48,927 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 10:07:48,927 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 10:07:48,927 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 10:07:48,928 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:07:48" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 10:07:49,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 10:07:49,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 10:07:49,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2020-10-14 10:07:49,000 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 10:07:49,000 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 10:07:49,001 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-14 10:07:49,001 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 10:07:49,001 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-14 10:07:49,001 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2020-10-14 10:07:49,001 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 10:07:49,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 10:07:49,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 10:07:49,171 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-14 10:07:49,686 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2020-10-14 10:07:49,686 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2020-10-14 10:07:49,708 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 10:07:49,708 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 10:07:49,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:07:49 BoogieIcfgContainer [2020-10-14 10:07:49,720 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 10:07:49,723 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 10:07:49,723 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 10:07:49,727 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 10:07:49,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 10:07:48" (1/3) ... [2020-10-14 10:07:49,729 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d2d7808 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:07:49, skipping insertion in model container [2020-10-14 10:07:49,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:07:48" (2/3) ... [2020-10-14 10:07:49,730 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d2d7808 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:07:49, skipping insertion in model container [2020-10-14 10:07:49,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:07:49" (3/3) ... [2020-10-14 10:07:49,741 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_clnt_4.cil-1.c [2020-10-14 10:07:49,753 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 10:07:49,767 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 10:07:49,783 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 10:07:49,821 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 10:07:49,821 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 10:07:49,822 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 10:07:49,822 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 10:07:49,822 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 10:07:49,822 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 10:07:49,822 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 10:07:49,823 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 10:07:49,841 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states. [2020-10-14 10:07:49,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-14 10:07:49,850 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:07:49,851 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:07:49,852 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:07:49,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:07:49,857 INFO L82 PathProgramCache]: Analyzing trace with hash 173387410, now seen corresponding path program 1 times [2020-10-14 10:07:49,865 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:07:49,866 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [79929304] [2020-10-14 10:07:49,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:07:50,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:07:50,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:50,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:50,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:50,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:07:50,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-14 10:07:50,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 10:07:50,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 526 [2020-10-14 10:07:50,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:07:50,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:07:50,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:07:50,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-14 10:07:50,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-14 10:07:50,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 10:07:50,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:07:50,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:07:50,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:50,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:07:50,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:07:50,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:07:50,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:07:50,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:07:50,608 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:07:50,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:07:50,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:07:50,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:07:50,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:07:50,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 10:07:50,617 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [79929304] [2020-10-14 10:07:50,619 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:07:50,620 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:07:50,621 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499475074] [2020-10-14 10:07:50,626 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:07:50,626 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:07:50,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:07:50,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:07:50,644 INFO L87 Difference]: Start difference. First operand 136 states. Second operand 3 states. [2020-10-14 10:07:50,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:07:50,823 INFO L93 Difference]: Finished difference Result 377 states and 634 transitions. [2020-10-14 10:07:50,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:07:50,826 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 29 [2020-10-14 10:07:50,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:07:50,854 INFO L225 Difference]: With dead ends: 377 [2020-10-14 10:07:50,854 INFO L226 Difference]: Without dead ends: 220 [2020-10-14 10:07:50,861 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:07:50,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2020-10-14 10:07:50,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 220. [2020-10-14 10:07:50,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-10-14 10:07:50,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 326 transitions. [2020-10-14 10:07:50,956 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 326 transitions. Word has length 29 [2020-10-14 10:07:50,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:07:50,957 INFO L479 AbstractCegarLoop]: Abstraction has 220 states and 326 transitions. [2020-10-14 10:07:50,958 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:07:50,958 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 326 transitions. [2020-10-14 10:07:50,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-10-14 10:07:50,965 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:07:50,965 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:07:50,966 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 10:07:50,967 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:07:50,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:07:50,967 INFO L82 PathProgramCache]: Analyzing trace with hash 1098416379, now seen corresponding path program 1 times [2020-10-14 10:07:50,968 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:07:50,968 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [257070205] [2020-10-14 10:07:50,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:07:51,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:07:51,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:51,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:51,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:51,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:51,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:51,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:07:51,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-14 10:07:51,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 10:07:51,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 602 [2020-10-14 10:07:51,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:07:51,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:07:51,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:07:51,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-14 10:07:51,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-14 10:07:51,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:07:51,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:07:51,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:07:51,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:51,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:07:51,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:07:51,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:07:51,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:07:51,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:07:51,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:07:51,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:07:51,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:07:51,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:07:51,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 10:07:51,685 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 10:07:51,692 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [257070205] [2020-10-14 10:07:51,693 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:07:51,694 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:07:51,695 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983831230] [2020-10-14 10:07:51,697 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:07:51,698 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:07:51,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:07:51,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:07:51,700 INFO L87 Difference]: Start difference. First operand 220 states and 326 transitions. Second operand 3 states. [2020-10-14 10:07:51,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:07:51,798 INFO L93 Difference]: Finished difference Result 428 states and 641 transitions. [2020-10-14 10:07:51,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:07:51,799 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2020-10-14 10:07:51,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:07:51,802 INFO L225 Difference]: With dead ends: 428 [2020-10-14 10:07:51,802 INFO L226 Difference]: Without dead ends: 323 [2020-10-14 10:07:51,804 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:07:51,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2020-10-14 10:07:51,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 323. [2020-10-14 10:07:51,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 323 states. [2020-10-14 10:07:51,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 479 transitions. [2020-10-14 10:07:51,853 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 479 transitions. Word has length 43 [2020-10-14 10:07:51,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:07:51,854 INFO L479 AbstractCegarLoop]: Abstraction has 323 states and 479 transitions. [2020-10-14 10:07:51,854 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:07:51,854 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 479 transitions. [2020-10-14 10:07:51,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-14 10:07:51,862 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:07:51,864 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:07:51,865 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 10:07:51,865 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:07:51,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:07:51,866 INFO L82 PathProgramCache]: Analyzing trace with hash 1578262845, now seen corresponding path program 1 times [2020-10-14 10:07:51,866 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:07:51,866 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1594690596] [2020-10-14 10:07:51,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:07:51,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:07:51,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:51,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:51,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:52,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:52,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:07:52,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-14 10:07:52,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 10:07:52,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 243 [2020-10-14 10:07:52,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:07:52,143 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:07:52,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:07:52,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-10-14 10:07:52,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 10:07:52,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:07:52,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:07:52,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:07:52,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:52,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:07:52,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:07:52,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:07:52,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:07:52,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:07:52,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:07:52,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:07:52,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:07:52,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:07:52,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:07:52,181 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-14 10:07:52,182 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1594690596] [2020-10-14 10:07:52,182 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:07:52,182 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:07:52,182 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50649739] [2020-10-14 10:07:52,183 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:07:52,183 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:07:52,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:07:52,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:07:52,184 INFO L87 Difference]: Start difference. First operand 323 states and 479 transitions. Second operand 3 states. [2020-10-14 10:07:52,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:07:52,239 INFO L93 Difference]: Finished difference Result 634 states and 947 transitions. [2020-10-14 10:07:52,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:07:52,240 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-10-14 10:07:52,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:07:52,243 INFO L225 Difference]: With dead ends: 634 [2020-10-14 10:07:52,243 INFO L226 Difference]: Without dead ends: 426 [2020-10-14 10:07:52,244 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:07:52,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2020-10-14 10:07:52,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 426. [2020-10-14 10:07:52,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 426 states. [2020-10-14 10:07:52,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 633 transitions. [2020-10-14 10:07:52,264 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 633 transitions. Word has length 60 [2020-10-14 10:07:52,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:07:52,264 INFO L479 AbstractCegarLoop]: Abstraction has 426 states and 633 transitions. [2020-10-14 10:07:52,265 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:07:52,265 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 633 transitions. [2020-10-14 10:07:52,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-10-14 10:07:52,267 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:07:52,267 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:07:52,267 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 10:07:52,268 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:07:52,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:07:52,268 INFO L82 PathProgramCache]: Analyzing trace with hash -377444813, now seen corresponding path program 1 times [2020-10-14 10:07:52,268 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:07:52,269 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [734172661] [2020-10-14 10:07:52,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:07:52,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:07:52,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:52,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:52,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:52,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:52,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:52,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:53,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:07:53,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 10:07:53,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 10:07:53,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 848 [2020-10-14 10:07:53,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:07:53,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:07:53,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:07:53,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-14 10:07:53,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-14 10:07:53,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:07:53,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:07:53,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:07:53,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:53,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:07:53,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:07:53,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:07:53,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:07:53,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:07:53,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:07:53,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:07:53,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:07:53,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:07:53,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:07:53,179 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-14 10:07:53,179 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [734172661] [2020-10-14 10:07:53,180 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:07:53,180 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:07:53,180 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735870359] [2020-10-14 10:07:53,181 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:07:53,181 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:07:53,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:07:53,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:07:53,182 INFO L87 Difference]: Start difference. First operand 426 states and 633 transitions. Second operand 3 states. [2020-10-14 10:07:53,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:07:53,235 INFO L93 Difference]: Finished difference Result 840 states and 1255 transitions. [2020-10-14 10:07:53,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:07:53,235 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 79 [2020-10-14 10:07:53,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:07:53,239 INFO L225 Difference]: With dead ends: 840 [2020-10-14 10:07:53,239 INFO L226 Difference]: Without dead ends: 529 [2020-10-14 10:07:53,241 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:07:53,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2020-10-14 10:07:53,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 529. [2020-10-14 10:07:53,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 529 states. [2020-10-14 10:07:53,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 788 transitions. [2020-10-14 10:07:53,260 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 788 transitions. Word has length 79 [2020-10-14 10:07:53,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:07:53,261 INFO L479 AbstractCegarLoop]: Abstraction has 529 states and 788 transitions. [2020-10-14 10:07:53,261 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:07:53,261 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 788 transitions. [2020-10-14 10:07:53,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-10-14 10:07:53,263 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:07:53,264 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:07:53,264 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 10:07:53,264 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:07:53,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:07:53,265 INFO L82 PathProgramCache]: Analyzing trace with hash -1353755413, now seen corresponding path program 1 times [2020-10-14 10:07:53,265 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:07:53,265 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [8140645] [2020-10-14 10:07:53,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:07:53,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:07:53,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:53,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:53,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:53,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:53,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:07:53,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-14 10:07:53,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 10:07:53,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 677 [2020-10-14 10:07:53,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:07:53,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:07:53,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:07:53,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-14 10:07:53,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-14 10:07:53,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:07:54,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:07:54,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:07:54,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:54,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:07:54,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:07:54,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:07:54,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:07:54,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:07:54,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:07:54,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:07:54,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:07:54,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:07:54,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:07:54,039 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2020-10-14 10:07:54,040 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [8140645] [2020-10-14 10:07:54,040 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:07:54,040 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:07:54,040 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662118671] [2020-10-14 10:07:54,042 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:07:54,042 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:07:54,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:07:54,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:07:54,043 INFO L87 Difference]: Start difference. First operand 529 states and 788 transitions. Second operand 3 states. [2020-10-14 10:07:54,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:07:54,094 INFO L93 Difference]: Finished difference Result 634 states and 946 transitions. [2020-10-14 10:07:54,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:07:54,094 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2020-10-14 10:07:54,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:07:54,099 INFO L225 Difference]: With dead ends: 634 [2020-10-14 10:07:54,099 INFO L226 Difference]: Without dead ends: 632 [2020-10-14 10:07:54,100 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:07:54,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2020-10-14 10:07:54,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 632. [2020-10-14 10:07:54,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 632 states. [2020-10-14 10:07:54,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 944 transitions. [2020-10-14 10:07:54,120 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 944 transitions. Word has length 99 [2020-10-14 10:07:54,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:07:54,122 INFO L479 AbstractCegarLoop]: Abstraction has 632 states and 944 transitions. [2020-10-14 10:07:54,122 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:07:54,122 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 944 transitions. [2020-10-14 10:07:54,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-10-14 10:07:54,129 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:07:54,130 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:07:54,130 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 10:07:54,130 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:07:54,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:07:54,130 INFO L82 PathProgramCache]: Analyzing trace with hash 769704646, now seen corresponding path program 1 times [2020-10-14 10:07:54,131 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:07:54,131 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1666834310] [2020-10-14 10:07:54,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:07:54,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:07:54,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:54,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:54,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:54,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:54,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:54,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:55,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:07:55,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 10:07:55,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 10:07:55,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1345 [2020-10-14 10:07:55,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:07:55,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:07:55,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:07:55,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 105 [2020-10-14 10:07:55,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-14 10:07:55,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:07:55,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:07:55,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:07:55,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:55,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:07:55,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:07:55,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:07:55,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:07:55,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:07:55,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:07:55,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:07:55,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:07:55,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:07:55,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:07:55,549 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2020-10-14 10:07:55,550 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1666834310] [2020-10-14 10:07:55,550 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:07:55,551 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:07:55,573 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442375446] [2020-10-14 10:07:55,574 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:07:55,574 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:07:55,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:07:55,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:07:55,575 INFO L87 Difference]: Start difference. First operand 632 states and 944 transitions. Second operand 3 states. [2020-10-14 10:07:55,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:07:55,853 INFO L93 Difference]: Finished difference Result 1582 states and 2433 transitions. [2020-10-14 10:07:55,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:07:55,854 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 119 [2020-10-14 10:07:55,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:07:55,860 INFO L225 Difference]: With dead ends: 1582 [2020-10-14 10:07:55,861 INFO L226 Difference]: Without dead ends: 962 [2020-10-14 10:07:55,863 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:07:55,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 962 states. [2020-10-14 10:07:55,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 962 to 884. [2020-10-14 10:07:55,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 884 states. [2020-10-14 10:07:55,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 884 states to 884 states and 1280 transitions. [2020-10-14 10:07:55,890 INFO L78 Accepts]: Start accepts. Automaton has 884 states and 1280 transitions. Word has length 119 [2020-10-14 10:07:55,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:07:55,890 INFO L479 AbstractCegarLoop]: Abstraction has 884 states and 1280 transitions. [2020-10-14 10:07:55,891 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:07:55,891 INFO L276 IsEmpty]: Start isEmpty. Operand 884 states and 1280 transitions. [2020-10-14 10:07:55,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-14 10:07:55,893 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:07:55,894 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:07:55,894 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 10:07:55,894 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:07:55,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:07:55,895 INFO L82 PathProgramCache]: Analyzing trace with hash -1054660396, now seen corresponding path program 1 times [2020-10-14 10:07:55,895 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:07:55,895 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1539514501] [2020-10-14 10:07:55,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:07:55,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:07:55,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:55,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:55,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:56,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:56,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:56,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:58,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:07:58,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-14 10:07:58,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 10:07:58,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2495 [2020-10-14 10:07:58,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:07:58,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:07:58,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:07:58,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-14 10:07:58,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-14 10:07:58,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:07:58,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:07:58,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:07:58,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:58,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:07:58,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:07:58,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:07:58,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:07:58,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:07:58,453 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:07:58,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:07:58,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:07:58,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:07:58,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:07:58,488 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2020-10-14 10:07:58,489 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1539514501] [2020-10-14 10:07:58,489 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:07:58,489 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:07:58,491 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294839956] [2020-10-14 10:07:58,491 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:07:58,492 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:07:58,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:07:58,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:07:58,493 INFO L87 Difference]: Start difference. First operand 884 states and 1280 transitions. Second operand 3 states. [2020-10-14 10:07:58,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:07:58,807 INFO L93 Difference]: Finished difference Result 2056 states and 3072 transitions. [2020-10-14 10:07:58,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:07:58,807 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 136 [2020-10-14 10:07:58,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:07:58,818 INFO L225 Difference]: With dead ends: 2056 [2020-10-14 10:07:58,818 INFO L226 Difference]: Without dead ends: 1178 [2020-10-14 10:07:58,822 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:07:58,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1178 states. [2020-10-14 10:07:58,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1178 to 1124. [2020-10-14 10:07:58,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1124 states. [2020-10-14 10:07:58,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 1124 states and 1574 transitions. [2020-10-14 10:07:58,871 INFO L78 Accepts]: Start accepts. Automaton has 1124 states and 1574 transitions. Word has length 136 [2020-10-14 10:07:58,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:07:58,871 INFO L479 AbstractCegarLoop]: Abstraction has 1124 states and 1574 transitions. [2020-10-14 10:07:58,872 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:07:58,872 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1574 transitions. [2020-10-14 10:07:58,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-10-14 10:07:58,875 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:07:58,876 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 5, 5, 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] [2020-10-14 10:07:58,876 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 10:07:58,876 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:07:58,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:07:58,876 INFO L82 PathProgramCache]: Analyzing trace with hash -2095197958, now seen corresponding path program 1 times [2020-10-14 10:07:58,877 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:07:58,877 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1208762190] [2020-10-14 10:07:58,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:07:58,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:07:58,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:58,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:58,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:59,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:07:59,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-10-14 10:07:59,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 10:07:59,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 429 [2020-10-14 10:07:59,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:07:59,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:07:59,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:07:59,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 10:07:59,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 10:07:59,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:07:59,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:07:59,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:07:59,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:59,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:07:59,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:07:59,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:07:59,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:07:59,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:07:59,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:07:59,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:07:59,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:07:59,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:07:59,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:07:59,369 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-10-14 10:07:59,370 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1208762190] [2020-10-14 10:07:59,370 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:07:59,370 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:07:59,371 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380562088] [2020-10-14 10:07:59,371 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:07:59,371 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:07:59,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:07:59,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:07:59,372 INFO L87 Difference]: Start difference. First operand 1124 states and 1574 transitions. Second operand 3 states. [2020-10-14 10:07:59,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:07:59,595 INFO L93 Difference]: Finished difference Result 2536 states and 3660 transitions. [2020-10-14 10:07:59,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:07:59,596 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 139 [2020-10-14 10:07:59,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:07:59,604 INFO L225 Difference]: With dead ends: 2536 [2020-10-14 10:07:59,604 INFO L226 Difference]: Without dead ends: 1418 [2020-10-14 10:07:59,607 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:07:59,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1418 states. [2020-10-14 10:07:59,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1418 to 1352. [2020-10-14 10:07:59,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1352 states. [2020-10-14 10:07:59,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1352 states to 1352 states and 1946 transitions. [2020-10-14 10:07:59,666 INFO L78 Accepts]: Start accepts. Automaton has 1352 states and 1946 transitions. Word has length 139 [2020-10-14 10:07:59,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:07:59,667 INFO L479 AbstractCegarLoop]: Abstraction has 1352 states and 1946 transitions. [2020-10-14 10:07:59,667 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:07:59,667 INFO L276 IsEmpty]: Start isEmpty. Operand 1352 states and 1946 transitions. [2020-10-14 10:07:59,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-10-14 10:07:59,671 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:07:59,671 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 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] [2020-10-14 10:07:59,672 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 10:07:59,672 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:07:59,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:07:59,672 INFO L82 PathProgramCache]: Analyzing trace with hash 1665380738, now seen corresponding path program 1 times [2020-10-14 10:07:59,673 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:07:59,673 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1232521859] [2020-10-14 10:07:59,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:07:59,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:07:59,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:59,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:59,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:59,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:07:59,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:01,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:01,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 10:08:01,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 10:08:01,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1441 [2020-10-14 10:08:01,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:01,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:01,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:01,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 98 [2020-10-14 10:08:01,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 10:08:01,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:01,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:01,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:01,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:01,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:01,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:01,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:01,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:08:01,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:01,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:01,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:01,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:01,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:01,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:01,188 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2020-10-14 10:08:01,193 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1232521859] [2020-10-14 10:08:01,194 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:01,194 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:01,195 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064560324] [2020-10-14 10:08:01,195 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:01,195 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:01,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:01,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:01,196 INFO L87 Difference]: Start difference. First operand 1352 states and 1946 transitions. Second operand 3 states. [2020-10-14 10:08:01,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:01,401 INFO L93 Difference]: Finished difference Result 3010 states and 4296 transitions. [2020-10-14 10:08:01,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:01,402 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 152 [2020-10-14 10:08:01,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:01,411 INFO L225 Difference]: With dead ends: 3010 [2020-10-14 10:08:01,411 INFO L226 Difference]: Without dead ends: 1670 [2020-10-14 10:08:01,415 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:01,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1670 states. [2020-10-14 10:08:01,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1670 to 1478. [2020-10-14 10:08:01,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1478 states. [2020-10-14 10:08:01,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1478 states to 1478 states and 2120 transitions. [2020-10-14 10:08:01,467 INFO L78 Accepts]: Start accepts. Automaton has 1478 states and 2120 transitions. Word has length 152 [2020-10-14 10:08:01,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:01,468 INFO L479 AbstractCegarLoop]: Abstraction has 1478 states and 2120 transitions. [2020-10-14 10:08:01,468 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:01,468 INFO L276 IsEmpty]: Start isEmpty. Operand 1478 states and 2120 transitions. [2020-10-14 10:08:01,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-14 10:08:01,473 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:01,473 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 6, 6, 5, 5, 3, 3, 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] [2020-10-14 10:08:01,473 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 10:08:01,473 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:01,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:01,474 INFO L82 PathProgramCache]: Analyzing trace with hash 882953321, now seen corresponding path program 1 times [2020-10-14 10:08:01,474 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:01,474 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [654955331] [2020-10-14 10:08:01,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:01,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:01,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:01,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:01,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:01,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:01,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:02,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:02,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-14 10:08:02,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 10:08:02,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1366 [2020-10-14 10:08:02,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:02,860 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:02,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:02,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 111 [2020-10-14 10:08:02,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 10:08:02,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:02,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:02,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:02,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:02,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:02,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:02,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:02,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:08:02,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:02,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:02,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:02,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:02,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:02,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:02,926 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 231 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2020-10-14 10:08:02,927 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [654955331] [2020-10-14 10:08:02,927 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:02,927 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:02,927 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228238160] [2020-10-14 10:08:02,928 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:02,928 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:02,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:02,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:02,929 INFO L87 Difference]: Start difference. First operand 1478 states and 2120 transitions. Second operand 3 states. [2020-10-14 10:08:03,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:03,150 INFO L93 Difference]: Finished difference Result 3268 states and 4655 transitions. [2020-10-14 10:08:03,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:03,151 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 166 [2020-10-14 10:08:03,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:03,161 INFO L225 Difference]: With dead ends: 3268 [2020-10-14 10:08:03,161 INFO L226 Difference]: Without dead ends: 1802 [2020-10-14 10:08:03,164 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:03,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1802 states. [2020-10-14 10:08:03,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1802 to 1580. [2020-10-14 10:08:03,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1580 states. [2020-10-14 10:08:03,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1580 states to 1580 states and 2282 transitions. [2020-10-14 10:08:03,214 INFO L78 Accepts]: Start accepts. Automaton has 1580 states and 2282 transitions. Word has length 166 [2020-10-14 10:08:03,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:03,215 INFO L479 AbstractCegarLoop]: Abstraction has 1580 states and 2282 transitions. [2020-10-14 10:08:03,215 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:03,215 INFO L276 IsEmpty]: Start isEmpty. Operand 1580 states and 2282 transitions. [2020-10-14 10:08:03,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-10-14 10:08:03,221 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:03,221 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:08:03,221 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 10:08:03,222 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:03,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:03,222 INFO L82 PathProgramCache]: Analyzing trace with hash -1147562091, now seen corresponding path program 1 times [2020-10-14 10:08:03,222 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:03,223 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2003856716] [2020-10-14 10:08:03,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:03,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:03,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:03,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:03,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:03,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:03,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 191 [2020-10-14 10:08:03,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 10:08:03,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 441 [2020-10-14 10:08:03,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:03,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:03,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:03,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 10:08:03,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 10:08:03,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:03,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:03,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:03,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:03,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:03,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:03,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:03,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:08:03,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:03,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:03,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:03,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:03,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:03,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:03,740 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 291 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2020-10-14 10:08:03,740 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2003856716] [2020-10-14 10:08:03,741 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:03,741 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:03,741 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321840500] [2020-10-14 10:08:03,742 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:03,742 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:03,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:03,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:03,743 INFO L87 Difference]: Start difference. First operand 1580 states and 2282 transitions. Second operand 3 states. [2020-10-14 10:08:03,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:03,965 INFO L93 Difference]: Finished difference Result 3468 states and 5030 transitions. [2020-10-14 10:08:03,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:03,966 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 183 [2020-10-14 10:08:03,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:03,975 INFO L225 Difference]: With dead ends: 3468 [2020-10-14 10:08:03,975 INFO L226 Difference]: Without dead ends: 1798 [2020-10-14 10:08:03,979 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:03,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1798 states. [2020-10-14 10:08:04,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1798 to 1718. [2020-10-14 10:08:04,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1718 states. [2020-10-14 10:08:04,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1718 states to 1718 states and 2450 transitions. [2020-10-14 10:08:04,033 INFO L78 Accepts]: Start accepts. Automaton has 1718 states and 2450 transitions. Word has length 183 [2020-10-14 10:08:04,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:04,034 INFO L479 AbstractCegarLoop]: Abstraction has 1718 states and 2450 transitions. [2020-10-14 10:08:04,034 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:04,034 INFO L276 IsEmpty]: Start isEmpty. Operand 1718 states and 2450 transitions. [2020-10-14 10:08:04,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-14 10:08:04,041 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:04,041 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 10:08:04,041 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 10:08:04,041 INFO L427 AbstractCegarLoop]: === Iteration 12 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:04,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:04,042 INFO L82 PathProgramCache]: Analyzing trace with hash -426894478, now seen corresponding path program 1 times [2020-10-14 10:08:04,042 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:04,042 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1724312204] [2020-10-14 10:08:04,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:04,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:04,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:04,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:04,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:04,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:04,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 212 [2020-10-14 10:08:04,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 10:08:04,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 666 [2020-10-14 10:08:04,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:04,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:04,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:04,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-10-14 10:08:04,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:08:04,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:04,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:04,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:04,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:04,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:04,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:04,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:04,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:08:04,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:04,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:04,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:04,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:04,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:04,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:04,800 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 368 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2020-10-14 10:08:04,801 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1724312204] [2020-10-14 10:08:04,801 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:04,801 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:04,801 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220279072] [2020-10-14 10:08:04,802 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:04,802 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:04,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:04,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:04,803 INFO L87 Difference]: Start difference. First operand 1718 states and 2450 transitions. Second operand 3 states. [2020-10-14 10:08:05,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:05,042 INFO L93 Difference]: Finished difference Result 3742 states and 5370 transitions. [2020-10-14 10:08:05,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:05,043 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 204 [2020-10-14 10:08:05,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:05,052 INFO L225 Difference]: With dead ends: 3742 [2020-10-14 10:08:05,053 INFO L226 Difference]: Without dead ends: 1946 [2020-10-14 10:08:05,059 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:05,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1946 states. [2020-10-14 10:08:05,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1946 to 1868. [2020-10-14 10:08:05,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1868 states. [2020-10-14 10:08:05,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1868 states to 1868 states and 2642 transitions. [2020-10-14 10:08:05,113 INFO L78 Accepts]: Start accepts. Automaton has 1868 states and 2642 transitions. Word has length 204 [2020-10-14 10:08:05,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:05,114 INFO L479 AbstractCegarLoop]: Abstraction has 1868 states and 2642 transitions. [2020-10-14 10:08:05,114 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:05,114 INFO L276 IsEmpty]: Start isEmpty. Operand 1868 states and 2642 transitions. [2020-10-14 10:08:05,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-10-14 10:08:05,122 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:05,122 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:08:05,122 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 10:08:05,122 INFO L427 AbstractCegarLoop]: === Iteration 13 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:05,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:05,123 INFO L82 PathProgramCache]: Analyzing trace with hash 509935583, now seen corresponding path program 1 times [2020-10-14 10:08:05,123 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:05,124 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1839158300] [2020-10-14 10:08:05,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:05,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:05,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:05,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:05,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:05,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:05,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 236 [2020-10-14 10:08:05,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 10:08:05,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 617 [2020-10-14 10:08:05,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:05,760 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:05,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:05,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-10-14 10:08:05,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 10:08:05,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:08:05,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:05,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:05,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:05,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:05,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:05,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:05,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:08:05,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:05,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:05,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:05,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:05,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:05,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:05,835 INFO L134 CoverageAnalysis]: Checked inductivity of 743 backedges. 443 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2020-10-14 10:08:05,836 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1839158300] [2020-10-14 10:08:05,836 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:05,836 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:05,836 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795191424] [2020-10-14 10:08:05,837 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:05,837 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:05,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:05,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:05,838 INFO L87 Difference]: Start difference. First operand 1868 states and 2642 transitions. Second operand 3 states. [2020-10-14 10:08:06,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:06,070 INFO L93 Difference]: Finished difference Result 4042 states and 5748 transitions. [2020-10-14 10:08:06,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:06,071 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 228 [2020-10-14 10:08:06,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:06,083 INFO L225 Difference]: With dead ends: 4042 [2020-10-14 10:08:06,083 INFO L226 Difference]: Without dead ends: 2108 [2020-10-14 10:08:06,092 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:06,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2108 states. [2020-10-14 10:08:06,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2108 to 2036. [2020-10-14 10:08:06,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2036 states. [2020-10-14 10:08:06,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2036 states to 2036 states and 2864 transitions. [2020-10-14 10:08:06,152 INFO L78 Accepts]: Start accepts. Automaton has 2036 states and 2864 transitions. Word has length 228 [2020-10-14 10:08:06,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:06,152 INFO L479 AbstractCegarLoop]: Abstraction has 2036 states and 2864 transitions. [2020-10-14 10:08:06,152 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:06,152 INFO L276 IsEmpty]: Start isEmpty. Operand 2036 states and 2864 transitions. [2020-10-14 10:08:06,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-10-14 10:08:06,159 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:06,159 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:08:06,160 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 10:08:06,160 INFO L427 AbstractCegarLoop]: === Iteration 14 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:06,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:06,160 INFO L82 PathProgramCache]: Analyzing trace with hash -1631924895, now seen corresponding path program 1 times [2020-10-14 10:08:06,161 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:06,161 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1804908996] [2020-10-14 10:08:06,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:06,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:06,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:06,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:06,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:06,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:06,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 236 [2020-10-14 10:08:06,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 10:08:06,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 547 [2020-10-14 10:08:06,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:06,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:06,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:06,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-10-14 10:08:06,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 10:08:06,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:06,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:06,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:06,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:06,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:06,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:06,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:06,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:08:06,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:06,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:06,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:06,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:06,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:06,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:06,845 INFO L134 CoverageAnalysis]: Checked inductivity of 743 backedges. 443 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2020-10-14 10:08:06,845 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1804908996] [2020-10-14 10:08:06,846 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:06,846 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:06,846 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609182992] [2020-10-14 10:08:06,847 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:06,847 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:06,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:06,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:06,847 INFO L87 Difference]: Start difference. First operand 2036 states and 2864 transitions. Second operand 3 states. [2020-10-14 10:08:07,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:07,132 INFO L93 Difference]: Finished difference Result 4378 states and 6198 transitions. [2020-10-14 10:08:07,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:07,133 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 228 [2020-10-14 10:08:07,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:07,148 INFO L225 Difference]: With dead ends: 4378 [2020-10-14 10:08:07,148 INFO L226 Difference]: Without dead ends: 2300 [2020-10-14 10:08:07,154 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:07,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2300 states. [2020-10-14 10:08:07,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2300 to 2222. [2020-10-14 10:08:07,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2222 states. [2020-10-14 10:08:07,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 2222 states and 3128 transitions. [2020-10-14 10:08:07,263 INFO L78 Accepts]: Start accepts. Automaton has 2222 states and 3128 transitions. Word has length 228 [2020-10-14 10:08:07,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:07,264 INFO L479 AbstractCegarLoop]: Abstraction has 2222 states and 3128 transitions. [2020-10-14 10:08:07,264 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:07,265 INFO L276 IsEmpty]: Start isEmpty. Operand 2222 states and 3128 transitions. [2020-10-14 10:08:07,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2020-10-14 10:08:07,277 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:07,277 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:08:07,277 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 10:08:07,277 INFO L427 AbstractCegarLoop]: === Iteration 15 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:07,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:07,278 INFO L82 PathProgramCache]: Analyzing trace with hash -1953749921, now seen corresponding path program 1 times [2020-10-14 10:08:07,278 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:07,279 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [107471154] [2020-10-14 10:08:07,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:07,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:07,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:07,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:07,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:07,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:08,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:08,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 266 [2020-10-14 10:08:08,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 10:08:08,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 841 [2020-10-14 10:08:08,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:08,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:08,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:08,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-10-14 10:08:08,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-14 10:08:08,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:08,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:08,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:08,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:08,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:08,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:08,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:08,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:08:08,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:08,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:08,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:08,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:08,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:08,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:08,301 INFO L134 CoverageAnalysis]: Checked inductivity of 906 backedges. 581 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2020-10-14 10:08:08,302 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [107471154] [2020-10-14 10:08:08,302 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:08,303 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:08,303 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475809966] [2020-10-14 10:08:08,304 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:08,304 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:08,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:08,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:08,305 INFO L87 Difference]: Start difference. First operand 2222 states and 3128 transitions. Second operand 3 states. [2020-10-14 10:08:08,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:08,431 INFO L93 Difference]: Finished difference Result 6636 states and 9346 transitions. [2020-10-14 10:08:08,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:08,432 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 258 [2020-10-14 10:08:08,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:08,463 INFO L225 Difference]: With dead ends: 6636 [2020-10-14 10:08:08,464 INFO L226 Difference]: Without dead ends: 4426 [2020-10-14 10:08:08,472 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:08,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4426 states. [2020-10-14 10:08:08,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4426 to 4424. [2020-10-14 10:08:08,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4424 states. [2020-10-14 10:08:08,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4424 states to 4424 states and 6227 transitions. [2020-10-14 10:08:08,641 INFO L78 Accepts]: Start accepts. Automaton has 4424 states and 6227 transitions. Word has length 258 [2020-10-14 10:08:08,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:08,642 INFO L479 AbstractCegarLoop]: Abstraction has 4424 states and 6227 transitions. [2020-10-14 10:08:08,642 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:08,642 INFO L276 IsEmpty]: Start isEmpty. Operand 4424 states and 6227 transitions. [2020-10-14 10:08:08,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2020-10-14 10:08:08,659 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:08,659 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:08:08,660 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-14 10:08:08,660 INFO L427 AbstractCegarLoop]: === Iteration 16 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:08,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:08,660 INFO L82 PathProgramCache]: Analyzing trace with hash 199356897, now seen corresponding path program 1 times [2020-10-14 10:08:08,661 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:08,661 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2009881190] [2020-10-14 10:08:08,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:08,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:08,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:08,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:08,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:09,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:09,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 266 [2020-10-14 10:08:09,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 10:08:09,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 613 [2020-10-14 10:08:09,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:09,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:09,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:09,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 159 [2020-10-14 10:08:09,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 10:08:09,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:09,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:09,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:09,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:09,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:09,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:09,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:09,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:08:09,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:09,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:09,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:09,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:09,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:09,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:09,367 INFO L134 CoverageAnalysis]: Checked inductivity of 906 backedges. 518 proven. 0 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2020-10-14 10:08:09,367 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2009881190] [2020-10-14 10:08:09,369 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:09,370 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:09,370 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724903880] [2020-10-14 10:08:09,371 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:09,371 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:09,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:09,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:09,372 INFO L87 Difference]: Start difference. First operand 4424 states and 6227 transitions. Second operand 3 states. [2020-10-14 10:08:09,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:09,658 INFO L93 Difference]: Finished difference Result 9460 states and 13386 transitions. [2020-10-14 10:08:09,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:09,659 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 258 [2020-10-14 10:08:09,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:09,703 INFO L225 Difference]: With dead ends: 9460 [2020-10-14 10:08:09,703 INFO L226 Difference]: Without dead ends: 4988 [2020-10-14 10:08:09,713 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:09,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4988 states. [2020-10-14 10:08:09,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4988 to 4844. [2020-10-14 10:08:09,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4844 states. [2020-10-14 10:08:09,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4844 states to 4844 states and 6851 transitions. [2020-10-14 10:08:09,857 INFO L78 Accepts]: Start accepts. Automaton has 4844 states and 6851 transitions. Word has length 258 [2020-10-14 10:08:09,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:09,857 INFO L479 AbstractCegarLoop]: Abstraction has 4844 states and 6851 transitions. [2020-10-14 10:08:09,857 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:09,858 INFO L276 IsEmpty]: Start isEmpty. Operand 4844 states and 6851 transitions. [2020-10-14 10:08:09,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2020-10-14 10:08:09,914 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:09,915 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:08:09,915 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-14 10:08:09,916 INFO L427 AbstractCegarLoop]: === Iteration 17 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:09,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:09,917 INFO L82 PathProgramCache]: Analyzing trace with hash 2019254667, now seen corresponding path program 1 times [2020-10-14 10:08:09,917 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:09,917 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2091591705] [2020-10-14 10:08:09,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:09,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:09,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:09,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:09,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:10,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:10,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 301 [2020-10-14 10:08:10,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 10:08:10,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 746 [2020-10-14 10:08:10,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:10,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:10,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:10,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 192 [2020-10-14 10:08:10,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 10:08:10,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:10,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:10,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:10,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:10,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:10,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:10,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:10,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:08:10,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:10,731 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:10,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:10,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:10,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:10,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 10:08:10,808 INFO L134 CoverageAnalysis]: Checked inductivity of 1095 backedges. 593 proven. 0 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2020-10-14 10:08:10,808 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2091591705] [2020-10-14 10:08:10,809 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:10,809 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:10,809 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488389872] [2020-10-14 10:08:10,810 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:10,810 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:10,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:10,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:10,812 INFO L87 Difference]: Start difference. First operand 4844 states and 6851 transitions. Second operand 3 states. [2020-10-14 10:08:11,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:11,125 INFO L93 Difference]: Finished difference Result 9844 states and 13890 transitions. [2020-10-14 10:08:11,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:11,126 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 293 [2020-10-14 10:08:11,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:11,139 INFO L225 Difference]: With dead ends: 9844 [2020-10-14 10:08:11,139 INFO L226 Difference]: Without dead ends: 4976 [2020-10-14 10:08:11,149 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:11,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4976 states. [2020-10-14 10:08:11,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4976 to 4832. [2020-10-14 10:08:11,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4832 states. [2020-10-14 10:08:11,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4832 states to 4832 states and 6779 transitions. [2020-10-14 10:08:11,279 INFO L78 Accepts]: Start accepts. Automaton has 4832 states and 6779 transitions. Word has length 293 [2020-10-14 10:08:11,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:11,279 INFO L479 AbstractCegarLoop]: Abstraction has 4832 states and 6779 transitions. [2020-10-14 10:08:11,280 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:11,280 INFO L276 IsEmpty]: Start isEmpty. Operand 4832 states and 6779 transitions. [2020-10-14 10:08:11,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2020-10-14 10:08:11,295 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:11,295 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 13, 13, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 10:08:11,295 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-14 10:08:11,296 INFO L427 AbstractCegarLoop]: === Iteration 18 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:11,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:11,296 INFO L82 PathProgramCache]: Analyzing trace with hash 296246070, now seen corresponding path program 1 times [2020-10-14 10:08:11,296 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:11,297 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [777296344] [2020-10-14 10:08:11,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:11,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:11,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:11,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:11,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:12,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:12,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 324 [2020-10-14 10:08:12,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 10:08:12,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 881 [2020-10-14 10:08:12,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:12,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:12,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:12,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 229 [2020-10-14 10:08:12,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 10:08:12,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:12,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:12,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:12,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:12,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:12,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:12,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:12,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:08:12,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:12,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:12,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:12,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:12,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:12,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:08:12,322 INFO L134 CoverageAnalysis]: Checked inductivity of 1246 backedges. 640 proven. 0 refuted. 0 times theorem prover too weak. 606 trivial. 0 not checked. [2020-10-14 10:08:12,322 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [777296344] [2020-10-14 10:08:12,322 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:12,323 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:12,323 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601896273] [2020-10-14 10:08:12,325 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:12,325 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:12,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:12,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:12,326 INFO L87 Difference]: Start difference. First operand 4832 states and 6779 transitions. Second operand 3 states. [2020-10-14 10:08:12,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:12,549 INFO L93 Difference]: Finished difference Result 10252 states and 14262 transitions. [2020-10-14 10:08:12,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:12,550 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 316 [2020-10-14 10:08:12,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:12,563 INFO L225 Difference]: With dead ends: 10252 [2020-10-14 10:08:12,563 INFO L226 Difference]: Without dead ends: 5432 [2020-10-14 10:08:12,574 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:12,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5432 states. [2020-10-14 10:08:12,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5432 to 5012. [2020-10-14 10:08:12,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5012 states. [2020-10-14 10:08:12,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5012 states to 5012 states and 7043 transitions. [2020-10-14 10:08:12,692 INFO L78 Accepts]: Start accepts. Automaton has 5012 states and 7043 transitions. Word has length 316 [2020-10-14 10:08:12,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:12,693 INFO L479 AbstractCegarLoop]: Abstraction has 5012 states and 7043 transitions. [2020-10-14 10:08:12,693 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:12,693 INFO L276 IsEmpty]: Start isEmpty. Operand 5012 states and 7043 transitions. [2020-10-14 10:08:12,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2020-10-14 10:08:12,709 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:12,709 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 11, 11, 9, 9, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:08:12,710 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-14 10:08:12,710 INFO L427 AbstractCegarLoop]: === Iteration 19 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:12,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:12,710 INFO L82 PathProgramCache]: Analyzing trace with hash -994522767, now seen corresponding path program 1 times [2020-10-14 10:08:12,711 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:12,711 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1856992743] [2020-10-14 10:08:12,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:12,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:12,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:12,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:13,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:13,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:13,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 332 [2020-10-14 10:08:13,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 10:08:13,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 937 [2020-10-14 10:08:13,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:13,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:13,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 10:08:13,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 230 [2020-10-14 10:08:13,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-14 10:08:13,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:13,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:13,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:13,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:13,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:13,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:13,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:13,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:08:13,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:13,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:13,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:13,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:13,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:13,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:08:13,807 INFO L134 CoverageAnalysis]: Checked inductivity of 1193 backedges. 637 proven. 14 refuted. 0 times theorem prover too weak. 542 trivial. 0 not checked. [2020-10-14 10:08:13,808 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1856992743] [2020-10-14 10:08:13,808 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 10:08:13,808 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-10-14 10:08:13,809 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628351259] [2020-10-14 10:08:13,811 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 10:08:13,811 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:13,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 10:08:13,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 10:08:13,812 INFO L87 Difference]: Start difference. First operand 5012 states and 7043 transitions. Second operand 4 states. [2020-10-14 10:08:14,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:14,328 INFO L93 Difference]: Finished difference Result 15228 states and 21349 transitions. [2020-10-14 10:08:14,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 10:08:14,329 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 324 [2020-10-14 10:08:14,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:14,355 INFO L225 Difference]: With dead ends: 15228 [2020-10-14 10:08:14,355 INFO L226 Difference]: Without dead ends: 10216 [2020-10-14 10:08:14,369 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 10:08:14,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10216 states. [2020-10-14 10:08:14,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10216 to 7040. [2020-10-14 10:08:14,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7040 states. [2020-10-14 10:08:14,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7040 states to 7040 states and 9765 transitions. [2020-10-14 10:08:14,653 INFO L78 Accepts]: Start accepts. Automaton has 7040 states and 9765 transitions. Word has length 324 [2020-10-14 10:08:14,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:14,653 INFO L479 AbstractCegarLoop]: Abstraction has 7040 states and 9765 transitions. [2020-10-14 10:08:14,653 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 10:08:14,653 INFO L276 IsEmpty]: Start isEmpty. Operand 7040 states and 9765 transitions. [2020-10-14 10:08:14,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2020-10-14 10:08:14,672 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:14,672 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 11, 11, 9, 9, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:08:14,673 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-14 10:08:14,673 INFO L427 AbstractCegarLoop]: === Iteration 20 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:14,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:14,673 INFO L82 PathProgramCache]: Analyzing trace with hash 2133628382, now seen corresponding path program 1 times [2020-10-14 10:08:14,673 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:14,674 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1795783499] [2020-10-14 10:08:14,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:14,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:14,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:14,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:14,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:14,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:16,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:16,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 333 [2020-10-14 10:08:16,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 10:08:16,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1343 [2020-10-14 10:08:16,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:16,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:16,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:16,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 45 [2020-10-14 10:08:16,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 186 [2020-10-14 10:08:16,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:16,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:16,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:16,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:16,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:16,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:16,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:16,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:08:16,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:16,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:16,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:16,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:16,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:16,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:16,368 INFO L134 CoverageAnalysis]: Checked inductivity of 1193 backedges. 715 proven. 0 refuted. 0 times theorem prover too weak. 478 trivial. 0 not checked. [2020-10-14 10:08:16,368 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1795783499] [2020-10-14 10:08:16,369 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:16,369 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:16,369 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014791589] [2020-10-14 10:08:16,370 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:16,371 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:16,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:16,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:16,372 INFO L87 Difference]: Start difference. First operand 7040 states and 9765 transitions. Second operand 3 states. [2020-10-14 10:08:16,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:16,625 INFO L93 Difference]: Finished difference Result 18504 states and 25857 transitions. [2020-10-14 10:08:16,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:16,625 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 325 [2020-10-14 10:08:16,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:16,665 INFO L225 Difference]: With dead ends: 18504 [2020-10-14 10:08:16,666 INFO L226 Difference]: Without dead ends: 11476 [2020-10-14 10:08:16,691 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:16,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11476 states. [2020-10-14 10:08:16,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11476 to 11474. [2020-10-14 10:08:16,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11474 states. [2020-10-14 10:08:17,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11474 states to 11474 states and 16047 transitions. [2020-10-14 10:08:17,017 INFO L78 Accepts]: Start accepts. Automaton has 11474 states and 16047 transitions. Word has length 325 [2020-10-14 10:08:17,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:17,018 INFO L479 AbstractCegarLoop]: Abstraction has 11474 states and 16047 transitions. [2020-10-14 10:08:17,018 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:17,018 INFO L276 IsEmpty]: Start isEmpty. Operand 11474 states and 16047 transitions. [2020-10-14 10:08:17,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2020-10-14 10:08:17,043 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:17,044 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 14, 14, 14, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:08:17,044 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-14 10:08:17,044 INFO L427 AbstractCegarLoop]: === Iteration 21 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:17,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:17,045 INFO L82 PathProgramCache]: Analyzing trace with hash 918477908, now seen corresponding path program 1 times [2020-10-14 10:08:17,045 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:17,045 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [474788260] [2020-10-14 10:08:17,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:17,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:17,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:17,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:17,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:17,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:17,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 338 [2020-10-14 10:08:17,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 10:08:17,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 587 [2020-10-14 10:08:17,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:17,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:17,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:17,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 229 [2020-10-14 10:08:17,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 10:08:17,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:17,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:17,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:17,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:17,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:17,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:17,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:17,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:08:17,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:17,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:17,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:17,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:17,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:17,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:08:17,768 INFO L134 CoverageAnalysis]: Checked inductivity of 1342 backedges. 696 proven. 0 refuted. 0 times theorem prover too weak. 646 trivial. 0 not checked. [2020-10-14 10:08:17,771 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [474788260] [2020-10-14 10:08:17,771 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:17,771 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:17,771 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994473826] [2020-10-14 10:08:17,772 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:17,772 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:17,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:17,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:17,773 INFO L87 Difference]: Start difference. First operand 11474 states and 16047 transitions. Second operand 3 states. [2020-10-14 10:08:18,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:18,264 INFO L93 Difference]: Finished difference Result 24568 states and 33950 transitions. [2020-10-14 10:08:18,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:18,264 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 330 [2020-10-14 10:08:18,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:18,301 INFO L225 Difference]: With dead ends: 24568 [2020-10-14 10:08:18,301 INFO L226 Difference]: Without dead ends: 13106 [2020-10-14 10:08:18,333 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:18,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13106 states. [2020-10-14 10:08:18,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13106 to 11822. [2020-10-14 10:08:18,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11822 states. [2020-10-14 10:08:18,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11822 states to 11822 states and 16299 transitions. [2020-10-14 10:08:18,734 INFO L78 Accepts]: Start accepts. Automaton has 11822 states and 16299 transitions. Word has length 330 [2020-10-14 10:08:18,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:18,735 INFO L479 AbstractCegarLoop]: Abstraction has 11822 states and 16299 transitions. [2020-10-14 10:08:18,735 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:18,735 INFO L276 IsEmpty]: Start isEmpty. Operand 11822 states and 16299 transitions. [2020-10-14 10:08:18,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2020-10-14 10:08:18,776 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:18,776 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 15, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:08:18,777 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-14 10:08:18,777 INFO L427 AbstractCegarLoop]: === Iteration 22 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:18,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:18,778 INFO L82 PathProgramCache]: Analyzing trace with hash 458946956, now seen corresponding path program 1 times [2020-10-14 10:08:18,778 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:18,780 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1266211375] [2020-10-14 10:08:18,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:18,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:18,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:18,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:19,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:19,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:19,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 376 [2020-10-14 10:08:19,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 10:08:19,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 888 [2020-10-14 10:08:19,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:19,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:19,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 10:08:19,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 230 [2020-10-14 10:08:19,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-14 10:08:19,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:08:19,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:19,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:19,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:19,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:19,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:19,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:19,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:08:19,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:19,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:19,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:19,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:19,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:19,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:19,977 INFO L134 CoverageAnalysis]: Checked inductivity of 1565 backedges. 914 proven. 5 refuted. 0 times theorem prover too weak. 646 trivial. 0 not checked. [2020-10-14 10:08:19,977 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1266211375] [2020-10-14 10:08:19,978 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 10:08:19,978 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-10-14 10:08:19,978 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378683848] [2020-10-14 10:08:19,979 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 10:08:19,979 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:19,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 10:08:19,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 10:08:19,979 INFO L87 Difference]: Start difference. First operand 11822 states and 16299 transitions. Second operand 4 states. [2020-10-14 10:08:20,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:20,557 INFO L93 Difference]: Finished difference Result 27816 states and 38377 transitions. [2020-10-14 10:08:20,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-14 10:08:20,558 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 368 [2020-10-14 10:08:20,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:20,608 INFO L225 Difference]: With dead ends: 27816 [2020-10-14 10:08:20,608 INFO L226 Difference]: Without dead ends: 15979 [2020-10-14 10:08:20,638 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 10:08:20,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15979 states. [2020-10-14 10:08:20,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15979 to 12831. [2020-10-14 10:08:20,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12831 states. [2020-10-14 10:08:20,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12831 states to 12831 states and 17579 transitions. [2020-10-14 10:08:20,939 INFO L78 Accepts]: Start accepts. Automaton has 12831 states and 17579 transitions. Word has length 368 [2020-10-14 10:08:20,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:20,940 INFO L479 AbstractCegarLoop]: Abstraction has 12831 states and 17579 transitions. [2020-10-14 10:08:20,940 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 10:08:20,940 INFO L276 IsEmpty]: Start isEmpty. Operand 12831 states and 17579 transitions. [2020-10-14 10:08:20,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2020-10-14 10:08:20,969 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:20,970 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 16, 16, 16, 16, 16, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:08:20,970 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-14 10:08:20,970 INFO L427 AbstractCegarLoop]: === Iteration 23 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:20,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:20,970 INFO L82 PathProgramCache]: Analyzing trace with hash -1199959624, now seen corresponding path program 1 times [2020-10-14 10:08:20,971 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:20,977 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [48155843] [2020-10-14 10:08:20,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:20,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:21,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:21,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:21,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:21,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:21,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 415 [2020-10-14 10:08:21,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 10:08:21,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 769 [2020-10-14 10:08:21,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:21,765 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:21,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:21,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 307 [2020-10-14 10:08:21,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 10:08:21,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:08:21,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:21,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:21,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:21,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:21,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:21,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:21,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:08:21,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:21,815 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:21,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:21,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:21,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:21,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:22,116 INFO L134 CoverageAnalysis]: Checked inductivity of 1882 backedges. 850 proven. 0 refuted. 0 times theorem prover too weak. 1032 trivial. 0 not checked. [2020-10-14 10:08:22,117 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [48155843] [2020-10-14 10:08:22,119 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:22,119 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:22,120 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310451426] [2020-10-14 10:08:22,121 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:22,121 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:22,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:22,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:22,122 INFO L87 Difference]: Start difference. First operand 12831 states and 17579 transitions. Second operand 3 states. [2020-10-14 10:08:22,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:22,416 INFO L93 Difference]: Finished difference Result 25365 states and 34305 transitions. [2020-10-14 10:08:22,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:22,416 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 407 [2020-10-14 10:08:22,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:22,433 INFO L225 Difference]: With dead ends: 25365 [2020-10-14 10:08:22,433 INFO L226 Difference]: Without dead ends: 6364 [2020-10-14 10:08:22,455 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:22,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6364 states. [2020-10-14 10:08:22,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6364 to 6167. [2020-10-14 10:08:22,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6167 states. [2020-10-14 10:08:22,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6167 states to 6167 states and 8441 transitions. [2020-10-14 10:08:22,644 INFO L78 Accepts]: Start accepts. Automaton has 6167 states and 8441 transitions. Word has length 407 [2020-10-14 10:08:22,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:22,645 INFO L479 AbstractCegarLoop]: Abstraction has 6167 states and 8441 transitions. [2020-10-14 10:08:22,645 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:22,645 INFO L276 IsEmpty]: Start isEmpty. Operand 6167 states and 8441 transitions. [2020-10-14 10:08:22,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 475 [2020-10-14 10:08:22,661 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:22,661 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 15, 15, 13, 13, 11, 11, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 10:08:22,661 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-14 10:08:22,662 INFO L427 AbstractCegarLoop]: === Iteration 24 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:22,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:22,663 INFO L82 PathProgramCache]: Analyzing trace with hash -1815968894, now seen corresponding path program 1 times [2020-10-14 10:08:22,663 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:22,663 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [671473723] [2020-10-14 10:08:22,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:22,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:22,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:22,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:22,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:23,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:25,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:27,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:27,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 482 [2020-10-14 10:08:27,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 10:08:27,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-14 10:08:27,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:27,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:27,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 10:08:27,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 154 [2020-10-14 10:08:27,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-14 10:08:27,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:27,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:27,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:27,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:27,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:27,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:27,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:27,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:08:27,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:27,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:27,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:27,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:27,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:27,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:27,943 INFO L134 CoverageAnalysis]: Checked inductivity of 2420 backedges. 1421 proven. 14 refuted. 0 times theorem prover too weak. 985 trivial. 0 not checked. [2020-10-14 10:08:27,944 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [671473723] [2020-10-14 10:08:27,944 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 10:08:27,944 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-10-14 10:08:27,945 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945567542] [2020-10-14 10:08:27,945 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 10:08:27,945 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:27,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 10:08:27,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 10:08:27,946 INFO L87 Difference]: Start difference. First operand 6167 states and 8441 transitions. Second operand 4 states. [2020-10-14 10:08:28,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:28,226 INFO L93 Difference]: Finished difference Result 7962 states and 10895 transitions. [2020-10-14 10:08:28,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-14 10:08:28,227 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 474 [2020-10-14 10:08:28,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:28,228 INFO L225 Difference]: With dead ends: 7962 [2020-10-14 10:08:28,228 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 10:08:28,240 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 10:08:28,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 10:08:28,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 10:08:28,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 10:08:28,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 10:08:28,242 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 474 [2020-10-14 10:08:28,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:28,242 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 10:08:28,242 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 10:08:28,242 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 10:08:28,242 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 10:08:28,243 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-14 10:08:28,246 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 10:08:28,423 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 66 [2020-10-14 10:08:30,030 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 581 DAG size of output: 183 [2020-10-14 10:08:30,943 WARN L193 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 196 [2020-10-14 10:08:31,304 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 16 [2020-10-14 10:08:32,243 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 37 [2020-10-14 10:08:32,375 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 16 [2020-10-14 10:08:32,484 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 22 [2020-10-14 10:08:34,142 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 192 DAG size of output: 10 [2020-10-14 10:08:34,330 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 16 [2020-10-14 10:08:34,494 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 24 [2020-10-14 10:08:34,963 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 17 [2020-10-14 10:08:34,968 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-10-14 10:08:34,968 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 10:08:34,968 INFO L264 CegarLoopResult]: At program point L168(lines 164 498) the Hoare annotation is: (let ((.cse0 (<= ssl3_connect_~s__state~0 4512)) (.cse1 (<= 4432 ssl3_connect_~s__state~0))) (or (and .cse0 .cse1 (<= ssl3_connect_~blastFlag~0 2)) (and (<= ssl3_connect_~blastFlag~0 4) (= ssl3_connect_~s__hit~0 0) .cse0 .cse1))) [2020-10-14 10:08:34,969 INFO L264 CegarLoopResult]: At program point L102(lines 101 519) the Hoare annotation is: (let ((.cse0 (<= 4560 ssl3_connect_~s__state~0))) (or (and (<= ssl3_connect_~blastFlag~0 1) .cse0) (and (= ssl3_connect_~s__hit~0 0) .cse0 (<= ssl3_connect_~blastFlag~0 3)))) [2020-10-14 10:08:34,969 INFO L268 CegarLoopResult]: For program point L466(lines 466 468) no Hoare annotation was computed. [2020-10-14 10:08:34,969 INFO L268 CegarLoopResult]: For program point L466-2(lines 466 468) no Hoare annotation was computed. [2020-10-14 10:08:34,969 INFO L268 CegarLoopResult]: For program point L434(lines 434 438) no Hoare annotation was computed. [2020-10-14 10:08:34,969 INFO L268 CegarLoopResult]: For program point L434-2(lines 434 438) no Hoare annotation was computed. [2020-10-14 10:08:34,969 INFO L268 CegarLoopResult]: For program point L335(lines 335 339) no Hoare annotation was computed. [2020-10-14 10:08:34,970 INFO L268 CegarLoopResult]: For program point L335-2(lines 335 339) no Hoare annotation was computed. [2020-10-14 10:08:34,970 INFO L268 CegarLoopResult]: For program point L170(lines 170 496) no Hoare annotation was computed. [2020-10-14 10:08:34,970 INFO L268 CegarLoopResult]: For program point L137(lines 137 507) no Hoare annotation was computed. [2020-10-14 10:08:34,970 INFO L268 CegarLoopResult]: For program point L104(lines 104 518) no Hoare annotation was computed. [2020-10-14 10:08:34,970 INFO L264 CegarLoopResult]: At program point L138(lines 134 508) the Hoare annotation is: (let ((.cse0 (= ssl3_connect_~s__hit~0 0)) (.cse1 (<= 4352 ssl3_connect_~s__state~0)) (.cse2 (<= ssl3_connect_~s__state~0 4432))) (or (and (<= ssl3_connect_~blastFlag~0 4) .cse0 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse1 .cse2) (and .cse0 .cse1 (<= ssl3_connect_~blastFlag~0 3) .cse2) (and (<= ssl3_connect_~blastFlag~0 1) .cse1 .cse2))) [2020-10-14 10:08:34,970 INFO L268 CegarLoopResult]: For program point L304(lines 304 306) no Hoare annotation was computed. [2020-10-14 10:08:34,970 INFO L268 CegarLoopResult]: For program point L271(lines 271 275) no Hoare annotation was computed. [2020-10-14 10:08:34,971 INFO L268 CegarLoopResult]: For program point L238(lines 238 241) no Hoare annotation was computed. [2020-10-14 10:08:34,971 INFO L268 CegarLoopResult]: For program point L304-2(lines 201 484) no Hoare annotation was computed. [2020-10-14 10:08:34,971 INFO L268 CegarLoopResult]: For program point L271-2(lines 271 275) no Hoare annotation was computed. [2020-10-14 10:08:34,971 INFO L268 CegarLoopResult]: For program point L404(lines 404 406) no Hoare annotation was computed. [2020-10-14 10:08:34,971 INFO L268 CegarLoopResult]: For program point L371(lines 371 373) no Hoare annotation was computed. [2020-10-14 10:08:34,971 INFO L264 CegarLoopResult]: At program point L206(lines 104 518) the Hoare annotation is: (or (<= ssl3_connect_~blastFlag~0 1) (and (= ssl3_connect_~s__hit~0 0) (<= ssl3_connect_~blastFlag~0 3))) [2020-10-14 10:08:34,972 INFO L268 CegarLoopResult]: For program point L173(lines 173 495) no Hoare annotation was computed. [2020-10-14 10:08:34,972 INFO L268 CegarLoopResult]: For program point L140(lines 140 506) no Hoare annotation was computed. [2020-10-14 10:08:34,972 INFO L268 CegarLoopResult]: For program point L107(lines 107 517) no Hoare annotation was computed. [2020-10-14 10:08:34,972 INFO L264 CegarLoopResult]: At program point L174(lines 170 496) the Hoare annotation is: (let ((.cse0 (<= ssl3_connect_~s__state~0 4512)) (.cse1 (<= 4432 ssl3_connect_~s__state~0))) (or (and .cse0 .cse1 (<= ssl3_connect_~blastFlag~0 2)) (and (<= ssl3_connect_~blastFlag~0 4) (= ssl3_connect_~s__hit~0 0) .cse0 .cse1))) [2020-10-14 10:08:34,973 INFO L268 CegarLoopResult]: For program point L472(lines 472 474) no Hoare annotation was computed. [2020-10-14 10:08:34,973 INFO L268 CegarLoopResult]: For program point L472-2(lines 472 474) no Hoare annotation was computed. [2020-10-14 10:08:34,973 INFO L271 CegarLoopResult]: At program point L539(lines 97 540) the Hoare annotation is: true [2020-10-14 10:08:34,973 INFO L268 CegarLoopResult]: For program point L176(lines 176 494) no Hoare annotation was computed. [2020-10-14 10:08:34,973 INFO L268 CegarLoopResult]: For program point L143(lines 143 505) no Hoare annotation was computed. [2020-10-14 10:08:34,973 INFO L268 CegarLoopResult]: For program point L110(lines 110 516) no Hoare annotation was computed. [2020-10-14 10:08:34,973 INFO L264 CegarLoopResult]: At program point L144(lines 140 506) the Hoare annotation is: (let ((.cse0 (<= ssl3_connect_~s__state~0 4448)) (.cse1 (<= 4432 ssl3_connect_~s__state~0))) (or (and (<= ssl3_connect_~blastFlag~0 4) (= ssl3_connect_~s__hit~0 0) .cse0 .cse1) (and .cse0 .cse1 (<= ssl3_connect_~blastFlag~0 2)))) [2020-10-14 10:08:34,973 INFO L268 CegarLoopResult]: For program point L211(lines 211 213) no Hoare annotation was computed. [2020-10-14 10:08:34,973 INFO L268 CegarLoopResult]: For program point L211-2(lines 211 213) no Hoare annotation was computed. [2020-10-14 10:08:34,974 INFO L268 CegarLoopResult]: For program point L179(lines 179 493) no Hoare annotation was computed. [2020-10-14 10:08:34,974 INFO L268 CegarLoopResult]: For program point L146(lines 146 504) no Hoare annotation was computed. [2020-10-14 10:08:34,974 INFO L268 CegarLoopResult]: For program point L113(lines 113 515) no Hoare annotation was computed. [2020-10-14 10:08:34,974 INFO L268 CegarLoopResult]: For program point L477(lines 477 479) no Hoare annotation was computed. [2020-10-14 10:08:34,974 INFO L268 CegarLoopResult]: For program point L444(lines 444 455) no Hoare annotation was computed. [2020-10-14 10:08:34,974 INFO L268 CegarLoopResult]: For program point L411(lines 411 425) no Hoare annotation was computed. [2020-10-14 10:08:34,974 INFO L268 CegarLoopResult]: For program point L411-1(lines 411 425) no Hoare annotation was computed. [2020-10-14 10:08:34,974 INFO L268 CegarLoopResult]: For program point L444-2(lines 444 455) no Hoare annotation was computed. [2020-10-14 10:08:34,974 INFO L268 CegarLoopResult]: For program point L312(lines 312 315) no Hoare annotation was computed. [2020-10-14 10:08:34,975 INFO L264 CegarLoopResult]: At program point L180(lines 176 494) the Hoare annotation is: (let ((.cse0 (<= ssl3_connect_~s__state~0 4528)) (.cse1 (<= 4432 ssl3_connect_~s__state~0))) (or (and (<= ssl3_connect_~blastFlag~0 4) (= ssl3_connect_~s__hit~0 0) .cse0 .cse1) (and .cse0 .cse1 (<= ssl3_connect_~blastFlag~0 2)))) [2020-10-14 10:08:34,975 INFO L268 CegarLoopResult]: For program point L544(lines 544 546) no Hoare annotation was computed. [2020-10-14 10:08:34,975 INFO L268 CegarLoopResult]: For program point L544-2(lines 544 546) no Hoare annotation was computed. [2020-10-14 10:08:34,975 INFO L268 CegarLoopResult]: For program point L347(lines 347 349) no Hoare annotation was computed. [2020-10-14 10:08:34,975 INFO L268 CegarLoopResult]: For program point L182(lines 182 492) no Hoare annotation was computed. [2020-10-14 10:08:34,975 INFO L268 CegarLoopResult]: For program point L149(lines 149 503) no Hoare annotation was computed. [2020-10-14 10:08:34,975 INFO L268 CegarLoopResult]: For program point L116(lines 116 514) no Hoare annotation was computed. [2020-10-14 10:08:34,975 INFO L268 CegarLoopResult]: For program point L381(lines 381 383) no Hoare annotation was computed. [2020-10-14 10:08:34,975 INFO L268 CegarLoopResult]: For program point L282(lines 282 296) no Hoare annotation was computed. [2020-10-14 10:08:34,976 INFO L268 CegarLoopResult]: For program point L216(lines 216 219) no Hoare annotation was computed. [2020-10-14 10:08:34,976 INFO L268 CegarLoopResult]: For program point L282-2(lines 282 296) no Hoare annotation was computed. [2020-10-14 10:08:34,976 INFO L264 CegarLoopResult]: At program point L150(lines 146 504) the Hoare annotation is: (let ((.cse0 (<= 4432 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4464))) (or (and .cse0 (<= ssl3_connect_~blastFlag~0 2) .cse1) (and (<= ssl3_connect_~blastFlag~0 4) (= ssl3_connect_~s__hit~0 0) .cse0 .cse1))) [2020-10-14 10:08:34,976 INFO L268 CegarLoopResult]: For program point L84(lines 84 90) no Hoare annotation was computed. [2020-10-14 10:08:34,976 INFO L271 CegarLoopResult]: At program point ssl3_connectENTRY(lines 10 551) the Hoare annotation is: true [2020-10-14 10:08:34,976 INFO L268 CegarLoopResult]: For program point L415(lines 415 421) no Hoare annotation was computed. [2020-10-14 10:08:34,976 INFO L268 CegarLoopResult]: For program point L250(lines 250 252) no Hoare annotation was computed. [2020-10-14 10:08:34,976 INFO L268 CegarLoopResult]: For program point L250-2(lines 201 484) no Hoare annotation was computed. [2020-10-14 10:08:34,976 INFO L268 CegarLoopResult]: For program point L449(lines 449 452) no Hoare annotation was computed. [2020-10-14 10:08:34,977 INFO L268 CegarLoopResult]: For program point L185(lines 185 491) no Hoare annotation was computed. [2020-10-14 10:08:34,977 INFO L268 CegarLoopResult]: For program point L152(lines 152 502) no Hoare annotation was computed. [2020-10-14 10:08:34,977 INFO L268 CegarLoopResult]: For program point L119(lines 119 513) no Hoare annotation was computed. [2020-10-14 10:08:34,977 INFO L264 CegarLoopResult]: At program point L186(lines 182 492) the Hoare annotation is: (let ((.cse0 (<= ssl3_connect_~s__state~0 4560)) (.cse2 (= ssl3_connect_~s__hit~0 0)) (.cse1 (<= 4432 ssl3_connect_~s__state~0))) (or (and .cse0 .cse1 (<= ssl3_connect_~blastFlag~0 2)) (and .cse0 (<= ssl3_connect_~blastFlag~0 4) .cse2 .cse1) (and .cse0 .cse2 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse1))) [2020-10-14 10:08:34,977 INFO L264 CegarLoopResult]: At program point L120(lines 116 514) the Hoare annotation is: (let ((.cse0 (<= 4352 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4384))) (or (and (<= ssl3_connect_~blastFlag~0 1) .cse0 .cse1) (and (= ssl3_connect_~s__hit~0 0) .cse0 .cse1 (<= ssl3_connect_~blastFlag~0 3)))) [2020-10-14 10:08:34,977 INFO L268 CegarLoopResult]: For program point L87(lines 87 89) no Hoare annotation was computed. [2020-10-14 10:08:34,977 INFO L268 CegarLoopResult]: For program point L87-2(lines 84 90) no Hoare annotation was computed. [2020-10-14 10:08:34,978 INFO L268 CegarLoopResult]: For program point L286(lines 286 292) no Hoare annotation was computed. [2020-10-14 10:08:34,978 INFO L264 CegarLoopResult]: At program point L485(lines 98 538) the Hoare annotation is: (let ((.cse5 (<= ssl3_connect_~s__state~0 4560)) (.cse6 (<= 4560 ssl3_connect_~s__state~0)) (.cse0 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560)) (.cse4 (<= 4560 ssl3_connect_~s__s3__tmp__next_state___0~0)) (.cse8 (<= ssl3_connect_~s__state~0 4528)) (.cse2 (= ssl3_connect_~s__hit~0 0)) (.cse9 (<= 4432 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4352)) (.cse3 (<= 4352 ssl3_connect_~s__state~0)) (.cse7 (<= ssl3_connect_~blastFlag~0 2))) (or (and (<= ssl3_connect_~s__state~0 3) .cse0) (<= ssl3_connect_~blastFlag~0 1) (and .cse1 .cse2 .cse3 .cse0 .cse4) (and .cse5 .cse6 .cse7) (and .cse5 .cse2 .cse6 .cse0 .cse4) (and .cse8 .cse9 .cse7) (and .cse2 (<= ssl3_connect_~blastFlag~0 3)) (and (<= ssl3_connect_~blastFlag~0 4) .cse8 .cse2 .cse9) (and (= 3 ssl3_connect_~s__s3__tmp__next_state___0~0) .cse1 .cse3 .cse7))) [2020-10-14 10:08:34,978 INFO L268 CegarLoopResult]: For program point L320(lines 320 322) no Hoare annotation was computed. [2020-10-14 10:08:34,978 INFO L268 CegarLoopResult]: For program point L188(lines 188 490) no Hoare annotation was computed. [2020-10-14 10:08:34,978 INFO L268 CegarLoopResult]: For program point L155(lines 155 501) no Hoare annotation was computed. [2020-10-14 10:08:34,978 INFO L268 CegarLoopResult]: For program point L122(lines 122 512) no Hoare annotation was computed. [2020-10-14 10:08:34,979 INFO L268 CegarLoopResult]: For program point L387(lines 387 391) no Hoare annotation was computed. [2020-10-14 10:08:34,979 INFO L264 CegarLoopResult]: At program point L321(lines 75 550) the Hoare annotation is: false [2020-10-14 10:08:34,979 INFO L268 CegarLoopResult]: For program point L387-2(lines 201 484) no Hoare annotation was computed. [2020-10-14 10:08:34,979 INFO L268 CegarLoopResult]: For program point L222(lines 222 233) no Hoare annotation was computed. [2020-10-14 10:08:34,979 INFO L268 CegarLoopResult]: For program point L222-2(lines 201 484) no Hoare annotation was computed. [2020-10-14 10:08:34,979 INFO L268 CegarLoopResult]: For program point L520(lines 520 536) no Hoare annotation was computed. [2020-10-14 10:08:34,981 INFO L268 CegarLoopResult]: For program point L289(lines 289 291) no Hoare annotation was computed. [2020-10-14 10:08:34,981 INFO L268 CegarLoopResult]: For program point L289-2(lines 284 296) no Hoare annotation was computed. [2020-10-14 10:08:34,981 INFO L268 CegarLoopResult]: For program point L521(lines 521 535) no Hoare annotation was computed. [2020-10-14 10:08:34,981 INFO L268 CegarLoopResult]: For program point L356(lines 356 358) no Hoare annotation was computed. [2020-10-14 10:08:34,982 INFO L268 CegarLoopResult]: For program point L323(lines 323 325) no Hoare annotation was computed. [2020-10-14 10:08:34,982 INFO L268 CegarLoopResult]: For program point L224(lines 224 227) no Hoare annotation was computed. [2020-10-14 10:08:34,982 INFO L268 CegarLoopResult]: For program point L191(lines 191 489) no Hoare annotation was computed. [2020-10-14 10:08:34,982 INFO L268 CegarLoopResult]: For program point L158(lines 158 500) no Hoare annotation was computed. [2020-10-14 10:08:34,983 INFO L268 CegarLoopResult]: For program point L125(lines 125 511) no Hoare annotation was computed. [2020-10-14 10:08:34,983 INFO L268 CegarLoopResult]: For program point L92(lines 92 96) no Hoare annotation was computed. [2020-10-14 10:08:34,983 INFO L268 CegarLoopResult]: For program point ssl3_connectEXIT(lines 10 551) no Hoare annotation was computed. [2020-10-14 10:08:34,983 INFO L268 CegarLoopResult]: For program point L522(lines 522 527) no Hoare annotation was computed. [2020-10-14 10:08:34,983 INFO L268 CegarLoopResult]: For program point L522-2(lines 521 535) no Hoare annotation was computed. [2020-10-14 10:08:34,983 INFO L268 CegarLoopResult]: For program point L258(lines 258 260) no Hoare annotation was computed. [2020-10-14 10:08:34,983 INFO L264 CegarLoopResult]: At program point L192(lines 188 490) the Hoare annotation is: (let ((.cse1 (<= ssl3_connect_~s__state~0 4560)) (.cse2 (= ssl3_connect_~s__hit~0 0)) (.cse0 (<= 4560 ssl3_connect_~s__state~0))) (or (and (<= ssl3_connect_~blastFlag~0 1) .cse0) (and .cse1 .cse0 (<= ssl3_connect_~blastFlag~0 2)) (and .cse1 .cse2 .cse0 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560)) (and .cse2 .cse0 (<= ssl3_connect_~blastFlag~0 3)))) [2020-10-14 10:08:34,984 INFO L264 CegarLoopResult]: At program point L126(lines 122 512) the Hoare annotation is: (let ((.cse0 (<= ssl3_connect_~s__state~0 4416)) (.cse1 (<= 4352 ssl3_connect_~s__state~0))) (or (and (<= ssl3_connect_~blastFlag~0 1) .cse0 .cse1) (and (= ssl3_connect_~s__hit~0 0) .cse0 .cse1 (<= ssl3_connect_~blastFlag~0 3)))) [2020-10-14 10:08:34,984 INFO L268 CegarLoopResult]: For program point L93(lines 93 95) no Hoare annotation was computed. [2020-10-14 10:08:34,984 INFO L268 CegarLoopResult]: For program point ssl3_connectFINAL(lines 10 551) no Hoare annotation was computed. [2020-10-14 10:08:34,984 INFO L268 CegarLoopResult]: For program point L524(lines 524 526) no Hoare annotation was computed. [2020-10-14 10:08:34,984 INFO L268 CegarLoopResult]: For program point L194(lines 194 488) no Hoare annotation was computed. [2020-10-14 10:08:34,985 INFO L268 CegarLoopResult]: For program point L161(lines 161 499) no Hoare annotation was computed. [2020-10-14 10:08:34,985 INFO L268 CegarLoopResult]: For program point L128(lines 128 510) no Hoare annotation was computed. [2020-10-14 10:08:34,985 INFO L268 CegarLoopResult]: For program point L360(lines 360 365) no Hoare annotation was computed. [2020-10-14 10:08:34,985 INFO L268 CegarLoopResult]: For program point L360-2(lines 360 365) no Hoare annotation was computed. [2020-10-14 10:08:34,987 INFO L268 CegarLoopResult]: For program point L228(lines 228 231) no Hoare annotation was computed. [2020-10-14 10:08:34,987 INFO L264 CegarLoopResult]: At program point L195(lines 194 488) the Hoare annotation is: (let ((.cse1 (= 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 (<= ssl3_connect_~blastFlag~0 3)) (and .cse0 .cse1 .cse2 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560) (<= 4560 ssl3_connect_~s__s3__tmp__next_state___0~0)) (and (<= ssl3_connect_~blastFlag~0 1) .cse0 .cse2) (and (= 3 ssl3_connect_~s__s3__tmp__next_state___0~0) .cse0 .cse2 (<= ssl3_connect_~blastFlag~0 2)))) [2020-10-14 10:08:34,987 INFO L264 CegarLoopResult]: At program point L162(lines 152 502) the Hoare annotation is: (let ((.cse0 (<= ssl3_connect_~s__state~0 4480)) (.cse1 (<= 4432 ssl3_connect_~s__state~0))) (or (and .cse0 .cse1 (<= ssl3_connect_~blastFlag~0 2)) (and (<= ssl3_connect_~blastFlag~0 4) (= ssl3_connect_~s__hit~0 0) .cse0 .cse1))) [2020-10-14 10:08:34,988 INFO L268 CegarLoopResult]: For program point L460-1(lines 460 462) no Hoare annotation was computed. [2020-10-14 10:08:34,988 INFO L268 CegarLoopResult]: For program point ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION(line 548) no Hoare annotation was computed. [2020-10-14 10:08:34,988 INFO L268 CegarLoopResult]: For program point L197(lines 197 487) no Hoare annotation was computed. [2020-10-14 10:08:34,988 INFO L268 CegarLoopResult]: For program point L164(lines 164 498) no Hoare annotation was computed. [2020-10-14 10:08:34,988 INFO L268 CegarLoopResult]: For program point L131(lines 131 509) no Hoare annotation was computed. [2020-10-14 10:08:34,988 INFO L268 CegarLoopResult]: For program point L98-1(lines 75 550) no Hoare annotation was computed. [2020-10-14 10:08:34,988 INFO L268 CegarLoopResult]: For program point L396(lines 396 399) no Hoare annotation was computed. [2020-10-14 10:08:34,989 INFO L271 CegarLoopResult]: At program point L198(lines 197 487) the Hoare annotation is: true [2020-10-14 10:08:34,989 INFO L264 CegarLoopResult]: At program point L132(lines 128 510) the Hoare annotation is: (let ((.cse0 (<= ssl3_connect_~s__state~0 4416)) (.cse1 (<= 4352 ssl3_connect_~s__state~0))) (or (and (<= ssl3_connect_~blastFlag~0 1) .cse0 .cse1) (and (= ssl3_connect_~s__hit~0 0) .cse0 .cse1 (<= ssl3_connect_~blastFlag~0 3)))) [2020-10-14 10:08:34,989 INFO L268 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-14 10:08:34,989 INFO L268 CegarLoopResult]: For program point L529(lines 529 533) no Hoare annotation was computed. [2020-10-14 10:08:34,989 INFO L268 CegarLoopResult]: For program point L265(lines 265 267) no Hoare annotation was computed. [2020-10-14 10:08:34,989 INFO L268 CegarLoopResult]: For program point L265-2(lines 201 484) no Hoare annotation was computed. [2020-10-14 10:08:34,989 INFO L268 CegarLoopResult]: For program point L431(lines 431 433) no Hoare annotation was computed. [2020-10-14 10:08:34,989 INFO L268 CegarLoopResult]: For program point L332(lines 332 334) no Hoare annotation was computed. [2020-10-14 10:08:34,990 INFO L271 CegarLoopResult]: At program point L200(lines 199 487) the Hoare annotation is: true [2020-10-14 10:08:34,990 INFO L268 CegarLoopResult]: For program point L167(lines 167 497) no Hoare annotation was computed. [2020-10-14 10:08:34,990 INFO L268 CegarLoopResult]: For program point L134(lines 134 508) no Hoare annotation was computed. [2020-10-14 10:08:34,990 INFO L268 CegarLoopResult]: For program point L101(lines 101 519) no Hoare annotation was computed. [2020-10-14 10:08:34,990 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 10:08:34,990 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-14 10:08:34,990 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 10:08:34,990 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 10:08:34,991 INFO L271 CegarLoopResult]: At program point L558(line 558) the Hoare annotation is: true [2020-10-14 10:08:34,991 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 552 562) the Hoare annotation is: true [2020-10-14 10:08:34,991 INFO L268 CegarLoopResult]: For program point L558-1(line 558) no Hoare annotation was computed. [2020-10-14 10:08:34,991 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 552 562) no Hoare annotation was computed. [2020-10-14 10:08:34,991 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 552 562) no Hoare annotation was computed. [2020-10-14 10:08:35,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 10:08:35 BoogieIcfgContainer [2020-10-14 10:08:35,035 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 10:08:35,037 INFO L168 Benchmark]: Toolchain (without parser) took 46671.61 ms. Allocated memory was 145.2 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 100.8 MB in the beginning and 1.1 GB in the end (delta: -1.0 GB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2020-10-14 10:08:35,038 INFO L168 Benchmark]: CDTParser took 0.52 ms. Allocated memory is still 145.2 MB. Free memory was 119.8 MB in the beginning and 119.4 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. [2020-10-14 10:08:35,038 INFO L168 Benchmark]: CACSL2BoogieTranslator took 502.50 ms. Allocated memory was 145.2 MB in the beginning and 201.9 MB in the end (delta: 56.6 MB). Free memory was 100.4 MB in the beginning and 176.6 MB in the end (delta: -76.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. [2020-10-14 10:08:35,039 INFO L168 Benchmark]: Boogie Preprocessor took 56.12 ms. Allocated memory is still 201.9 MB. Free memory was 176.6 MB in the beginning and 174.2 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2020-10-14 10:08:35,044 INFO L168 Benchmark]: RCFGBuilder took 792.80 ms. Allocated memory is still 201.9 MB. Free memory was 174.2 MB in the beginning and 126.8 MB in the end (delta: 47.4 MB). Peak memory consumption was 47.4 MB. Max. memory is 7.1 GB. [2020-10-14 10:08:35,045 INFO L168 Benchmark]: TraceAbstraction took 45312.08 ms. Allocated memory was 201.9 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 126.8 MB in the beginning and 1.1 GB in the end (delta: -1.0 GB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2020-10-14 10:08:35,047 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52 ms. Allocated memory is still 145.2 MB. Free memory was 119.8 MB in the beginning and 119.4 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 502.50 ms. Allocated memory was 145.2 MB in the beginning and 201.9 MB in the end (delta: 56.6 MB). Free memory was 100.4 MB in the beginning and 176.6 MB in the end (delta: -76.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 56.12 ms. Allocated memory is still 201.9 MB. Free memory was 176.6 MB in the beginning and 174.2 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 792.80 ms. Allocated memory is still 201.9 MB. Free memory was 174.2 MB in the beginning and 126.8 MB in the end (delta: 47.4 MB). Peak memory consumption was 47.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 45312.08 ms. Allocated memory was 201.9 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 126.8 MB in the beginning and 1.1 GB in the end (delta: -1.0 GB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 548]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: ((4432 <= s__state && blastFlag <= 2) && s__state <= 4464) || (((blastFlag <= 4 && s__hit == 0) && 4432 <= s__state) && s__state <= 4464) - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: (((((blastFlag <= 4 && s__hit == 0) && s__s3__tmp__next_state___0 <= 4560) && 4352 <= s__state) && s__state <= 4432) || (((s__hit == 0 && 4352 <= s__state) && blastFlag <= 3) && s__state <= 4432)) || ((blastFlag <= 1 && 4352 <= s__state) && s__state <= 4432) - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: (((blastFlag <= 1 && 4560 <= s__state) || ((s__state <= 4560 && 4560 <= s__state) && blastFlag <= 2)) || (((s__state <= 4560 && s__hit == 0) && 4560 <= s__state) && s__s3__tmp__next_state___0 <= 4560)) || ((s__hit == 0 && 4560 <= s__state) && blastFlag <= 3) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((blastFlag <= 1 && s__state <= 4416) && 4352 <= s__state) || (((s__hit == 0 && s__state <= 4416) && 4352 <= s__state) && blastFlag <= 3) - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: blastFlag <= 1 || (s__hit == 0 && blastFlag <= 3) - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: ((s__state <= 4512 && 4432 <= s__state) && blastFlag <= 2) || (((blastFlag <= 4 && s__hit == 0) && s__state <= 4512) && 4432 <= s__state) - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: ((blastFlag <= 1 && 4352 <= s__state) && s__state <= 4384) || (((s__hit == 0 && 4352 <= s__state) && s__state <= 4384) && blastFlag <= 3) - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: ((s__state <= 4480 && 4432 <= s__state) && blastFlag <= 2) || (((blastFlag <= 4 && s__hit == 0) && s__state <= 4480) && 4432 <= s__state) - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: (((((s__state <= 4352 && s__hit == 0) && 4352 <= s__state) && blastFlag <= 3) || ((((s__state <= 4352 && s__hit == 0) && 4352 <= s__state) && s__s3__tmp__next_state___0 <= 4560) && 4560 <= s__s3__tmp__next_state___0)) || ((blastFlag <= 1 && s__state <= 4352) && 4352 <= s__state)) || (((3 == s__s3__tmp__next_state___0 && s__state <= 4352) && 4352 <= s__state) && blastFlag <= 2) - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (blastFlag <= 1 && 4560 <= s__state) || ((s__hit == 0 && 4560 <= s__state) && blastFlag <= 3) - InvariantResult [Line: 98]: Loop Invariant Derived loop invariant: ((((((((s__state <= 3 && s__s3__tmp__next_state___0 <= 4560) || blastFlag <= 1) || ((((s__state <= 4352 && s__hit == 0) && 4352 <= s__state) && s__s3__tmp__next_state___0 <= 4560) && 4560 <= s__s3__tmp__next_state___0)) || ((s__state <= 4560 && 4560 <= s__state) && blastFlag <= 2)) || ((((s__state <= 4560 && s__hit == 0) && 4560 <= s__state) && s__s3__tmp__next_state___0 <= 4560) && 4560 <= s__s3__tmp__next_state___0)) || ((s__state <= 4528 && 4432 <= s__state) && blastFlag <= 2)) || (s__hit == 0 && blastFlag <= 3)) || (((blastFlag <= 4 && s__state <= 4528) && s__hit == 0) && 4432 <= s__state)) || (((3 == s__s3__tmp__next_state___0 && s__state <= 4352) && 4352 <= s__state) && blastFlag <= 2) - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: (((blastFlag <= 4 && s__hit == 0) && s__state <= 4448) && 4432 <= s__state) || ((s__state <= 4448 && 4432 <= s__state) && blastFlag <= 2) - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: (((s__state <= 4560 && 4432 <= s__state) && blastFlag <= 2) || (((s__state <= 4560 && blastFlag <= 4) && s__hit == 0) && 4432 <= s__state)) || (((s__state <= 4560 && s__hit == 0) && s__s3__tmp__next_state___0 <= 4560) && 4432 <= s__state) - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: ((blastFlag <= 1 && s__state <= 4416) && 4352 <= s__state) || (((s__hit == 0 && s__state <= 4416) && 4352 <= s__state) && blastFlag <= 3) - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: (((blastFlag <= 4 && s__hit == 0) && s__state <= 4528) && 4432 <= s__state) || ((s__state <= 4528 && 4432 <= s__state) && blastFlag <= 2) - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: ((s__state <= 4512 && 4432 <= s__state) && blastFlag <= 2) || (((blastFlag <= 4 && s__hit == 0) && s__state <= 4512) && 4432 <= s__state) - InvariantResult [Line: 199]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 136 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 38.4s, OverallIterations: 24, TraceHistogramMax: 17, AutomataDifference: 6.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4887 SDtfs, 2367 SDslu, 2814 SDs, 0 SdLazy, 2324 SolverSat, 621 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 129 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12831occurred in iteration=22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.7s AutomataMinimizationTime, 24 MinimizatonAttempts, 9437 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 510 NumberOfFragments, 522 HoareAnnotationTreeSize, 26 FomulaSimplifications, 3681241 FormulaSimplificationTreeSizeReduction, 2.9s HoareSimplificationTime, 26 FomulaSimplificationsInter, 1641018 FormulaSimplificationTreeSizeReductionInter, 3.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 26.1s InterpolantComputationTime, 5218 NumberOfCodeBlocks, 5218 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 5194 ConstructedInterpolants, 0 QuantifiedInterpolants, 1786532 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 21 PerfectInterpolantSequences, 17847/17880 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...