/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ssh-simplified/s3_clnt_3.cil-3.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 04:44:19,778 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 04:44:19,781 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 04:44:19,823 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 04:44:19,823 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 04:44:19,831 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 04:44:19,834 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 04:44:19,837 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 04:44:19,840 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 04:44:19,843 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 04:44:19,844 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 04:44:19,845 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 04:44:19,845 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 04:44:19,848 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 04:44:19,851 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 04:44:19,853 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 04:44:19,854 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 04:44:19,856 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 04:44:19,857 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 04:44:19,865 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 04:44:19,868 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 04:44:19,869 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 04:44:19,870 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 04:44:19,870 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 04:44:19,882 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 04:44:19,882 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 04:44:19,883 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 04:44:19,883 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 04:44:19,884 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 04:44:19,893 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 04:44:19,893 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 04:44:19,894 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 04:44:19,895 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 04:44:19,897 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 04:44:19,898 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 04:44:19,898 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 04:44:19,899 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 04:44:19,899 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 04:44:19,900 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 04:44:19,900 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 04:44:19,901 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 04:44:19,903 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-15 04:44:19,942 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 04:44:19,943 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 04:44:19,944 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 04:44:19,945 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 04:44:19,945 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 04:44:19,945 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 04:44:19,946 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 04:44:19,946 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 04:44:19,946 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 04:44:19,946 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 04:44:19,947 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 04:44:19,947 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 04:44:19,948 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 04:44:19,948 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 04:44:19,948 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 04:44:19,948 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 04:44:19,949 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 04:44:19,949 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 04:44:19,949 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 04:44:19,949 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 04:44:19,949 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 04:44:19,950 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 04:44:19,950 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 04:44:19,950 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 04:44:19,950 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 04:44:19,950 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 04:44:19,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 04:44:19,951 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 04:44:19,951 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 04:44:19,951 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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-15 04:44:20,252 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 04:44:20,265 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 04:44:20,268 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 04:44:20,270 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 04:44:20,270 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 04:44:20,271 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh-simplified/s3_clnt_3.cil-3.c [2020-10-15 04:44:20,333 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a5d2029d2/f32b19c40f14435f83375f69d0c1d158/FLAG50957b46b [2020-10-15 04:44:20,837 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 04:44:20,838 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ssh-simplified/s3_clnt_3.cil-3.c [2020-10-15 04:44:20,850 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a5d2029d2/f32b19c40f14435f83375f69d0c1d158/FLAG50957b46b [2020-10-15 04:44:21,164 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a5d2029d2/f32b19c40f14435f83375f69d0c1d158 [2020-10-15 04:44:21,174 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 04:44:21,175 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 04:44:21,176 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 04:44:21,177 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 04:44:21,181 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 04:44:21,182 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:44:21" (1/1) ... [2020-10-15 04:44:21,184 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f21c349 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:21, skipping insertion in model container [2020-10-15 04:44:21,185 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:44:21" (1/1) ... [2020-10-15 04:44:21,193 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 04:44:21,238 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 04:44:21,460 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 04:44:21,464 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 04:44:21,632 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 04:44:21,647 INFO L208 MainTranslator]: Completed translation [2020-10-15 04:44:21,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:21 WrapperNode [2020-10-15 04:44:21,648 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 04:44:21,648 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 04:44:21,648 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 04:44:21,649 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 04:44:21,663 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:21" (1/1) ... [2020-10-15 04:44:21,663 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:21" (1/1) ... [2020-10-15 04:44:21,673 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:21" (1/1) ... [2020-10-15 04:44:21,673 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:21" (1/1) ... [2020-10-15 04:44:21,688 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:21" (1/1) ... [2020-10-15 04:44:21,700 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:21" (1/1) ... [2020-10-15 04:44:21,703 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:21" (1/1) ... [2020-10-15 04:44:21,708 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 04:44:21,708 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 04:44:21,709 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 04:44:21,709 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 04:44:21,710 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:21" (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 [2020-10-15 04:44:21,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 04:44:21,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 04:44:21,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2020-10-15 04:44:21,786 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 04:44:21,786 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 04:44:21,787 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-15 04:44:21,787 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-15 04:44:21,787 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-15 04:44:21,787 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2020-10-15 04:44:21,787 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 04:44:21,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 04:44:21,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 04:44:21,949 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 04:44:22,438 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2020-10-15 04:44:22,438 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2020-10-15 04:44:22,460 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 04:44:22,460 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-15 04:44:22,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:44:22 BoogieIcfgContainer [2020-10-15 04:44:22,466 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 04:44:22,467 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 04:44:22,468 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 04:44:22,471 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 04:44:22,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 04:44:21" (1/3) ... [2020-10-15 04:44:22,472 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31a77d21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 04:44:22, skipping insertion in model container [2020-10-15 04:44:22,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:21" (2/3) ... [2020-10-15 04:44:22,473 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31a77d21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 04:44:22, skipping insertion in model container [2020-10-15 04:44:22,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:44:22" (3/3) ... [2020-10-15 04:44:22,475 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_clnt_3.cil-3.c [2020-10-15 04:44:22,486 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 04:44:22,494 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 04:44:22,509 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 04:44:22,535 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 04:44:22,535 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 04:44:22,536 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 04:44:22,536 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 04:44:22,536 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 04:44:22,537 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 04:44:22,537 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 04:44:22,537 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 04:44:22,562 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states. [2020-10-15 04:44:22,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-15 04:44:22,577 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:44:22,578 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] [2020-10-15 04:44:22,579 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:44:22,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:44:22,586 INFO L82 PathProgramCache]: Analyzing trace with hash 173387410, now seen corresponding path program 1 times [2020-10-15 04:44:22,594 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:44:22,595 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [515566058] [2020-10-15 04:44:22,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:44:22,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:44:22,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:23,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:23,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:23,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:44:23,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-15 04:44:23,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 04:44:23,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 591 [2020-10-15 04:44:23,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:44:23,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:44:23,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:44:23,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-15 04:44:23,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-15 04:44:23,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-15 04:44:23,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:44:23,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:44:23,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:23,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:44:23,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:44:23,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:44:23,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:44:23,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:44:23,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:44:23,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:44:23,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:44:23,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:44:23,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:44:23,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 04:44:23,428 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [515566058] [2020-10-15 04:44:23,430 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:44:23,430 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 04:44:23,431 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955955457] [2020-10-15 04:44:23,437 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 04:44:23,437 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:44:23,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 04:44:23,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 04:44:23,455 INFO L87 Difference]: Start difference. First operand 136 states. Second operand 3 states. [2020-10-15 04:44:23,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:44:23,629 INFO L93 Difference]: Finished difference Result 377 states and 634 transitions. [2020-10-15 04:44:23,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 04:44:23,634 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 29 [2020-10-15 04:44:23,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:44:23,662 INFO L225 Difference]: With dead ends: 377 [2020-10-15 04:44:23,662 INFO L226 Difference]: Without dead ends: 220 [2020-10-15 04:44:23,673 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 [2020-10-15 04:44:23,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2020-10-15 04:44:23,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 220. [2020-10-15 04:44:23,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-10-15 04:44:23,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 326 transitions. [2020-10-15 04:44:23,741 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 326 transitions. Word has length 29 [2020-10-15 04:44:23,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:44:23,741 INFO L479 AbstractCegarLoop]: Abstraction has 220 states and 326 transitions. [2020-10-15 04:44:23,741 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 04:44:23,741 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 326 transitions. [2020-10-15 04:44:23,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-10-15 04:44:23,744 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:44:23,744 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] [2020-10-15 04:44:23,745 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 04:44:23,745 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:44:23,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:44:23,746 INFO L82 PathProgramCache]: Analyzing trace with hash 1098416379, now seen corresponding path program 1 times [2020-10-15 04:44:23,746 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:44:23,746 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [108844660] [2020-10-15 04:44:23,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:44:23,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:44:23,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:23,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:23,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:23,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:24,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:24,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:44:24,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-15 04:44:24,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 04:44:24,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 545 [2020-10-15 04:44:24,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:44:24,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:44:24,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:44:24,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-15 04:44:24,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-15 04:44:24,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:44:24,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:44:24,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:44:24,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:24,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:44:24,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:44:24,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:44:24,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:44:24,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:44:24,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:44:24,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:44:24,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:44:24,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:44:24,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:44:24,347 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 04:44:24,347 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [108844660] [2020-10-15 04:44:24,347 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:44:24,348 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 04:44:24,348 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875716113] [2020-10-15 04:44:24,349 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 04:44:24,350 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:44:24,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 04:44:24,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 04:44:24,350 INFO L87 Difference]: Start difference. First operand 220 states and 326 transitions. Second operand 3 states. [2020-10-15 04:44:24,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:44:24,402 INFO L93 Difference]: Finished difference Result 428 states and 641 transitions. [2020-10-15 04:44:24,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 04:44:24,403 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2020-10-15 04:44:24,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:44:24,406 INFO L225 Difference]: With dead ends: 428 [2020-10-15 04:44:24,407 INFO L226 Difference]: Without dead ends: 323 [2020-10-15 04:44:24,408 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 [2020-10-15 04:44:24,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2020-10-15 04:44:24,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 323. [2020-10-15 04:44:24,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 323 states. [2020-10-15 04:44:24,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 479 transitions. [2020-10-15 04:44:24,434 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 479 transitions. Word has length 43 [2020-10-15 04:44:24,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:44:24,435 INFO L479 AbstractCegarLoop]: Abstraction has 323 states and 479 transitions. [2020-10-15 04:44:24,435 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 04:44:24,435 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 479 transitions. [2020-10-15 04:44:24,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-15 04:44:24,439 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:44:24,439 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] [2020-10-15 04:44:24,439 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 04:44:24,439 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:44:24,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:44:24,440 INFO L82 PathProgramCache]: Analyzing trace with hash 1571737336, now seen corresponding path program 1 times [2020-10-15 04:44:24,440 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:44:24,440 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1789443451] [2020-10-15 04:44:24,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:44:24,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:44:24,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:24,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:24,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:24,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:24,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:44:24,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-15 04:44:24,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 04:44:24,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 383 [2020-10-15 04:44:24,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:44:24,844 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:44:24,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:44:24,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-10-15 04:44:24,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 04:44:24,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:44:24,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:44:24,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:44:24,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:24,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:44:24,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:44:24,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:44:24,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:44:24,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:44:24,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:44:24,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:44:24,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:44:24,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:44:24,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 04:44:24,897 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-15 04:44:24,898 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1789443451] [2020-10-15 04:44:24,898 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:44:24,899 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 04:44:24,899 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258137443] [2020-10-15 04:44:24,899 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 04:44:24,900 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:44:24,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 04:44:24,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 04:44:24,901 INFO L87 Difference]: Start difference. First operand 323 states and 479 transitions. Second operand 3 states. [2020-10-15 04:44:24,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:44:24,980 INFO L93 Difference]: Finished difference Result 634 states and 947 transitions. [2020-10-15 04:44:24,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 04:44:24,981 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-10-15 04:44:24,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:44:24,985 INFO L225 Difference]: With dead ends: 634 [2020-10-15 04:44:24,985 INFO L226 Difference]: Without dead ends: 426 [2020-10-15 04:44:24,990 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 [2020-10-15 04:44:24,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2020-10-15 04:44:25,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 426. [2020-10-15 04:44:25,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 426 states. [2020-10-15 04:44:25,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 633 transitions. [2020-10-15 04:44:25,032 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 633 transitions. Word has length 60 [2020-10-15 04:44:25,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:44:25,034 INFO L479 AbstractCegarLoop]: Abstraction has 426 states and 633 transitions. [2020-10-15 04:44:25,035 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 04:44:25,035 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 633 transitions. [2020-10-15 04:44:25,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-10-15 04:44:25,046 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:44:25,047 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] [2020-10-15 04:44:25,047 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 04:44:25,047 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:44:25,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:44:25,048 INFO L82 PathProgramCache]: Analyzing trace with hash -770008173, now seen corresponding path program 1 times [2020-10-15 04:44:25,050 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:44:25,051 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1968194512] [2020-10-15 04:44:25,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:44:25,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:44:25,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:25,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:25,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:25,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:25,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:25,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:26,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:44:26,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-15 04:44:26,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 04:44:26,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1066 [2020-10-15 04:44:26,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:44:26,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:44:26,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:44:26,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 65 [2020-10-15 04:44:26,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-15 04:44:26,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:44:26,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:44:26,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:44:26,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:26,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:44:26,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:44:26,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:44:26,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:44:26,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:44:26,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:44:26,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:44:26,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:44:26,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:44:26,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-15 04:44:26,212 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-15 04:44:26,213 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1968194512] [2020-10-15 04:44:26,214 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:44:26,214 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 04:44:26,214 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449410931] [2020-10-15 04:44:26,216 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 04:44:26,216 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:44:26,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 04:44:26,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 04:44:26,218 INFO L87 Difference]: Start difference. First operand 426 states and 633 transitions. Second operand 3 states. [2020-10-15 04:44:26,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:44:26,487 INFO L93 Difference]: Finished difference Result 1060 states and 1623 transitions. [2020-10-15 04:44:26,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 04:44:26,488 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 79 [2020-10-15 04:44:26,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:44:26,493 INFO L225 Difference]: With dead ends: 1060 [2020-10-15 04:44:26,493 INFO L226 Difference]: Without dead ends: 646 [2020-10-15 04:44:26,495 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 [2020-10-15 04:44:26,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 646 states. [2020-10-15 04:44:26,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 646 to 594. [2020-10-15 04:44:26,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 594 states. [2020-10-15 04:44:26,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 857 transitions. [2020-10-15 04:44:26,519 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 857 transitions. Word has length 79 [2020-10-15 04:44:26,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:44:26,521 INFO L479 AbstractCegarLoop]: Abstraction has 594 states and 857 transitions. [2020-10-15 04:44:26,522 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 04:44:26,522 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 857 transitions. [2020-10-15 04:44:26,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-10-15 04:44:26,525 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:44:26,526 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2020-10-15 04:44:26,526 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 04:44:26,526 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:44:26,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:44:26,527 INFO L82 PathProgramCache]: Analyzing trace with hash -1451839956, now seen corresponding path program 1 times [2020-10-15 04:44:26,527 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:44:26,528 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1205254831] [2020-10-15 04:44:26,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:44:26,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:44:26,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:26,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:26,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:26,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:26,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:27,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:29,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:44:29,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-15 04:44:29,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 04:44:29,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2531 [2020-10-15 04:44:29,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:44:29,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:44:29,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:44:29,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-15 04:44:29,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-15 04:44:29,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:44:29,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:44:29,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:44:29,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:29,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:44:29,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:44:29,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:44:29,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:44:29,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:44:29,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:44:29,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:44:29,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:44:29,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:44:29,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:44:29,150 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-15 04:44:29,150 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1205254831] [2020-10-15 04:44:29,150 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:44:29,150 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 04:44:29,151 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030485553] [2020-10-15 04:44:29,152 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 04:44:29,153 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:44:29,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 04:44:29,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 04:44:29,154 INFO L87 Difference]: Start difference. First operand 594 states and 857 transitions. Second operand 3 states. [2020-10-15 04:44:29,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:44:29,219 INFO L93 Difference]: Finished difference Result 1176 states and 1703 transitions. [2020-10-15 04:44:29,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 04:44:29,219 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2020-10-15 04:44:29,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:44:29,226 INFO L225 Difference]: With dead ends: 1176 [2020-10-15 04:44:29,226 INFO L226 Difference]: Without dead ends: 739 [2020-10-15 04:44:29,228 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 [2020-10-15 04:44:29,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2020-10-15 04:44:29,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 739. [2020-10-15 04:44:29,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 739 states. [2020-10-15 04:44:29,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 739 states and 1068 transitions. [2020-10-15 04:44:29,255 INFO L78 Accepts]: Start accepts. Automaton has 739 states and 1068 transitions. Word has length 97 [2020-10-15 04:44:29,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:44:29,257 INFO L479 AbstractCegarLoop]: Abstraction has 739 states and 1068 transitions. [2020-10-15 04:44:29,257 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 04:44:29,257 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 1068 transitions. [2020-10-15 04:44:29,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-10-15 04:44:29,260 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:44:29,260 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] [2020-10-15 04:44:29,261 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 04:44:29,261 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:44:29,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:44:29,261 INFO L82 PathProgramCache]: Analyzing trace with hash 1840831051, now seen corresponding path program 1 times [2020-10-15 04:44:29,262 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:44:29,262 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1811141963] [2020-10-15 04:44:29,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:44:29,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:44:29,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:29,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:29,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:29,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:29,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:44:29,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-15 04:44:29,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 04:44:29,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 637 [2020-10-15 04:44:29,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:44:29,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:44:29,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:44:29,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-15 04:44:29,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-15 04:44:29,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:44:29,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:44:29,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:44:29,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:29,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:44:29,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:44:29,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:44:29,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:44:29,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:44:29,947 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:44:29,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:44:29,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:44:29,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:44:29,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 04:44:29,959 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2020-10-15 04:44:29,960 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1811141963] [2020-10-15 04:44:29,961 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:44:29,961 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 04:44:29,961 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335630357] [2020-10-15 04:44:29,962 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 04:44:29,962 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:44:29,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 04:44:29,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 04:44:29,963 INFO L87 Difference]: Start difference. First operand 739 states and 1068 transitions. Second operand 3 states. [2020-10-15 04:44:30,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:44:30,031 INFO L93 Difference]: Finished difference Result 886 states and 1282 transitions. [2020-10-15 04:44:30,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 04:44:30,031 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2020-10-15 04:44:30,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:44:30,037 INFO L225 Difference]: With dead ends: 886 [2020-10-15 04:44:30,037 INFO L226 Difference]: Without dead ends: 884 [2020-10-15 04:44:30,038 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 [2020-10-15 04:44:30,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 884 states. [2020-10-15 04:44:30,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 884 to 884. [2020-10-15 04:44:30,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 884 states. [2020-10-15 04:44:30,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 884 states to 884 states and 1280 transitions. [2020-10-15 04:44:30,063 INFO L78 Accepts]: Start accepts. Automaton has 884 states and 1280 transitions. Word has length 99 [2020-10-15 04:44:30,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:44:30,063 INFO L479 AbstractCegarLoop]: Abstraction has 884 states and 1280 transitions. [2020-10-15 04:44:30,063 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 04:44:30,063 INFO L276 IsEmpty]: Start isEmpty. Operand 884 states and 1280 transitions. [2020-10-15 04:44:30,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-10-15 04:44:30,071 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:44:30,071 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:44:30,072 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-15 04:44:30,072 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:44:30,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:44:30,072 INFO L82 PathProgramCache]: Analyzing trace with hash -273174812, now seen corresponding path program 1 times [2020-10-15 04:44:30,073 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:44:30,073 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1858913377] [2020-10-15 04:44:30,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:44:30,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:44:30,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:30,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:30,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:30,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:30,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:31,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:44:31,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-10-15 04:44:31,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 04:44:31,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1479 [2020-10-15 04:44:31,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:44:31,568 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:44:31,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:44:31,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 102 [2020-10-15 04:44:31,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-15 04:44:31,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:44:31,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:44:31,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:44:31,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:31,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:44:31,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:44:31,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:44:31,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:44:31,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:44:31,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:44:31,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:44:31,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:44:31,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:44:31,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:44:31,618 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2020-10-15 04:44:31,636 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1858913377] [2020-10-15 04:44:31,636 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:44:31,636 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 04:44:31,637 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541230611] [2020-10-15 04:44:31,638 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 04:44:31,638 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:44:31,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 04:44:31,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 04:44:31,639 INFO L87 Difference]: Start difference. First operand 884 states and 1280 transitions. Second operand 3 states. [2020-10-15 04:44:31,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:44:31,841 INFO L93 Difference]: Finished difference Result 2056 states and 3072 transitions. [2020-10-15 04:44:31,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 04:44:31,842 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2020-10-15 04:44:31,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:44:31,848 INFO L225 Difference]: With dead ends: 2056 [2020-10-15 04:44:31,848 INFO L226 Difference]: Without dead ends: 1178 [2020-10-15 04:44:31,851 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 [2020-10-15 04:44:31,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1178 states. [2020-10-15 04:44:31,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1178 to 1124. [2020-10-15 04:44:31,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1124 states. [2020-10-15 04:44:31,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 1124 states and 1574 transitions. [2020-10-15 04:44:31,881 INFO L78 Accepts]: Start accepts. Automaton has 1124 states and 1574 transitions. Word has length 117 [2020-10-15 04:44:31,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:44:31,882 INFO L479 AbstractCegarLoop]: Abstraction has 1124 states and 1574 transitions. [2020-10-15 04:44:31,882 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 04:44:31,882 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1574 transitions. [2020-10-15 04:44:31,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-10-15 04:44:31,886 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:44:31,886 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 4, 4, 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] [2020-10-15 04:44:31,886 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-15 04:44:31,886 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:44:31,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:44:31,887 INFO L82 PathProgramCache]: Analyzing trace with hash 622040858, now seen corresponding path program 1 times [2020-10-15 04:44:31,887 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:44:31,887 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1098597725] [2020-10-15 04:44:31,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:44:31,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:44:31,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:31,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:31,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:32,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:32,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:32,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:44:32,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-15 04:44:32,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 04:44:32,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 850 [2020-10-15 04:44:32,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:44:32,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:44:32,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:44:32,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 102 [2020-10-15 04:44:32,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-15 04:44:32,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:44:32,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:44:32,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:44:32,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:32,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:44:32,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:44:32,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:44:32,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:44:32,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:44:32,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:44:32,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:44:32,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:44:32,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:44:32,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:44:32,798 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2020-10-15 04:44:32,798 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1098597725] [2020-10-15 04:44:32,798 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:44:32,799 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 04:44:32,799 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515088776] [2020-10-15 04:44:32,799 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 04:44:32,799 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:44:32,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 04:44:32,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 04:44:32,800 INFO L87 Difference]: Start difference. First operand 1124 states and 1574 transitions. Second operand 3 states. [2020-10-15 04:44:33,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:44:33,011 INFO L93 Difference]: Finished difference Result 2566 states and 3568 transitions. [2020-10-15 04:44:33,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 04:44:33,011 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 137 [2020-10-15 04:44:33,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:44:33,023 INFO L225 Difference]: With dead ends: 2566 [2020-10-15 04:44:33,023 INFO L226 Difference]: Without dead ends: 1454 [2020-10-15 04:44:33,026 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 [2020-10-15 04:44:33,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1454 states. [2020-10-15 04:44:33,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1454 to 1250. [2020-10-15 04:44:33,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1250 states. [2020-10-15 04:44:33,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1250 states and 1772 transitions. [2020-10-15 04:44:33,069 INFO L78 Accepts]: Start accepts. Automaton has 1250 states and 1772 transitions. Word has length 137 [2020-10-15 04:44:33,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:44:33,070 INFO L479 AbstractCegarLoop]: Abstraction has 1250 states and 1772 transitions. [2020-10-15 04:44:33,070 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 04:44:33,070 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1772 transitions. [2020-10-15 04:44:33,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-10-15 04:44:33,077 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:44:33,077 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:44:33,078 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-15 04:44:33,078 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:44:33,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:44:33,079 INFO L82 PathProgramCache]: Analyzing trace with hash 600728947, now seen corresponding path program 1 times [2020-10-15 04:44:33,079 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:44:33,079 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1029943376] [2020-10-15 04:44:33,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:44:33,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:44:33,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:33,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:33,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:33,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:34,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:44:34,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-15 04:44:34,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 04:44:34,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1766 [2020-10-15 04:44:34,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:44:34,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:44:34,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:44:34,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-15 04:44:34,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-15 04:44:34,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:44:34,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:44:34,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:44:34,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:34,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:44:34,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:44:34,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:44:34,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:44:34,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:44:34,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:44:34,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:44:34,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:44:34,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:44:34,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:44:35,022 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 263 proven. 1 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2020-10-15 04:44:35,027 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1029943376] [2020-10-15 04:44:35,028 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 04:44:35,028 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-15 04:44:35,028 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261204258] [2020-10-15 04:44:35,029 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 04:44:35,029 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:44:35,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 04:44:35,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-15 04:44:35,030 INFO L87 Difference]: Start difference. First operand 1250 states and 1772 transitions. Second operand 5 states. [2020-10-15 04:44:35,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:44:35,163 INFO L93 Difference]: Finished difference Result 3643 states and 5146 transitions. [2020-10-15 04:44:35,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-15 04:44:35,163 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 154 [2020-10-15 04:44:35,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:44:35,177 INFO L225 Difference]: With dead ends: 3643 [2020-10-15 04:44:35,177 INFO L226 Difference]: Without dead ends: 2405 [2020-10-15 04:44:35,183 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-15 04:44:35,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2405 states. [2020-10-15 04:44:35,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2405 to 1862. [2020-10-15 04:44:35,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1862 states. [2020-10-15 04:44:35,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1862 states to 1862 states and 2632 transitions. [2020-10-15 04:44:35,269 INFO L78 Accepts]: Start accepts. Automaton has 1862 states and 2632 transitions. Word has length 154 [2020-10-15 04:44:35,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:44:35,270 INFO L479 AbstractCegarLoop]: Abstraction has 1862 states and 2632 transitions. [2020-10-15 04:44:35,270 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 04:44:35,270 INFO L276 IsEmpty]: Start isEmpty. Operand 1862 states and 2632 transitions. [2020-10-15 04:44:35,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-10-15 04:44:35,278 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:44:35,279 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:44:35,279 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-15 04:44:35,279 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:44:35,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:44:35,280 INFO L82 PathProgramCache]: Analyzing trace with hash 997437260, now seen corresponding path program 1 times [2020-10-15 04:44:35,280 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:44:35,280 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [535673767] [2020-10-15 04:44:35,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:44:35,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:44:35,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:35,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:35,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:35,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:35,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:36,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:36,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:44:36,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-10-15 04:44:36,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 04:44:36,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1599 [2020-10-15 04:44:36,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:44:36,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:44:36,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:44:36,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 45 [2020-10-15 04:44:36,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-15 04:44:36,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:44:36,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:44:36,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:44:36,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:36,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:44:36,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:44:36,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:44:36,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:44:36,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:44:36,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:44:36,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:44:36,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:44:36,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:44:36,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 04:44:36,969 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2020-10-15 04:44:36,970 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [535673767] [2020-10-15 04:44:36,970 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:44:36,970 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 04:44:36,971 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553065990] [2020-10-15 04:44:36,971 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 04:44:36,971 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:44:36,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 04:44:36,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 04:44:36,972 INFO L87 Difference]: Start difference. First operand 1862 states and 2632 transitions. Second operand 3 states. [2020-10-15 04:44:37,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:44:37,082 INFO L93 Difference]: Finished difference Result 5157 states and 7369 transitions. [2020-10-15 04:44:37,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 04:44:37,083 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 155 [2020-10-15 04:44:37,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:44:37,101 INFO L225 Difference]: With dead ends: 5157 [2020-10-15 04:44:37,102 INFO L226 Difference]: Without dead ends: 3307 [2020-10-15 04:44:37,106 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 [2020-10-15 04:44:37,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3307 states. [2020-10-15 04:44:37,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3307 to 3305. [2020-10-15 04:44:37,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3305 states. [2020-10-15 04:44:37,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3305 states to 3305 states and 4725 transitions. [2020-10-15 04:44:37,249 INFO L78 Accepts]: Start accepts. Automaton has 3305 states and 4725 transitions. Word has length 155 [2020-10-15 04:44:37,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:44:37,249 INFO L479 AbstractCegarLoop]: Abstraction has 3305 states and 4725 transitions. [2020-10-15 04:44:37,250 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 04:44:37,250 INFO L276 IsEmpty]: Start isEmpty. Operand 3305 states and 4725 transitions. [2020-10-15 04:44:37,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-10-15 04:44:37,259 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:44:37,260 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:44:37,260 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-15 04:44:37,260 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:44:37,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:44:37,260 INFO L82 PathProgramCache]: Analyzing trace with hash -519466213, now seen corresponding path program 1 times [2020-10-15 04:44:37,261 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:44:37,261 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [617705926] [2020-10-15 04:44:37,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:44:37,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:44:37,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:37,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:37,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:37,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:44:37,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 164 [2020-10-15 04:44:37,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 04:44:37,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 570 [2020-10-15 04:44:37,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:44:37,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:44:37,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:44:37,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-15 04:44:37,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-15 04:44:37,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:44:37,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:44:37,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:44:37,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:37,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:44:37,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:44:37,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:44:37,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:44:37,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:44:37,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:44:37,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:44:37,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:44:37,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:44:37,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:44:37,906 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 242 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2020-10-15 04:44:37,907 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [617705926] [2020-10-15 04:44:37,908 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:44:37,908 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 04:44:37,908 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887563067] [2020-10-15 04:44:37,908 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 04:44:37,909 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:44:37,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 04:44:37,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 04:44:37,909 INFO L87 Difference]: Start difference. First operand 3305 states and 4725 transitions. Second operand 3 states. [2020-10-15 04:44:38,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:44:38,221 INFO L93 Difference]: Finished difference Result 7498 states and 11018 transitions. [2020-10-15 04:44:38,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 04:44:38,221 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 156 [2020-10-15 04:44:38,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:44:38,245 INFO L225 Difference]: With dead ends: 7498 [2020-10-15 04:44:38,245 INFO L226 Difference]: Without dead ends: 4187 [2020-10-15 04:44:38,255 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 [2020-10-15 04:44:38,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4187 states. [2020-10-15 04:44:38,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4187 to 4007. [2020-10-15 04:44:38,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4007 states. [2020-10-15 04:44:38,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4007 states to 4007 states and 5868 transitions. [2020-10-15 04:44:38,409 INFO L78 Accepts]: Start accepts. Automaton has 4007 states and 5868 transitions. Word has length 156 [2020-10-15 04:44:38,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:44:38,410 INFO L479 AbstractCegarLoop]: Abstraction has 4007 states and 5868 transitions. [2020-10-15 04:44:38,410 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 04:44:38,410 INFO L276 IsEmpty]: Start isEmpty. Operand 4007 states and 5868 transitions. [2020-10-15 04:44:38,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-10-15 04:44:38,423 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:44:38,423 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:44:38,423 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-15 04:44:38,424 INFO L427 AbstractCegarLoop]: === Iteration 12 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:44:38,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:44:38,424 INFO L82 PathProgramCache]: Analyzing trace with hash -412480941, now seen corresponding path program 1 times [2020-10-15 04:44:38,424 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:44:38,424 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2110292206] [2020-10-15 04:44:38,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:44:38,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:44:38,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:38,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:38,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:38,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:38,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:39,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:44:39,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-15 04:44:39,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 04:44:39,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1390 [2020-10-15 04:44:39,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:44:39,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:44:39,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:44:39,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 98 [2020-10-15 04:44:39,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 04:44:39,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:44:39,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:44:39,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:44:39,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:39,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:44:39,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:44:39,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:44:39,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:44:39,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:44:39,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:44:39,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:44:39,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:44:39,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:44:39,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:44:39,885 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2020-10-15 04:44:39,886 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2110292206] [2020-10-15 04:44:39,886 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:44:39,886 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 04:44:39,886 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946801154] [2020-10-15 04:44:39,887 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 04:44:39,887 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:44:39,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 04:44:39,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 04:44:39,888 INFO L87 Difference]: Start difference. First operand 4007 states and 5868 transitions. Second operand 3 states. [2020-10-15 04:44:40,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:44:40,156 INFO L93 Difference]: Finished difference Result 8956 states and 12944 transitions. [2020-10-15 04:44:40,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 04:44:40,156 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 169 [2020-10-15 04:44:40,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:44:40,183 INFO L225 Difference]: With dead ends: 8956 [2020-10-15 04:44:40,183 INFO L226 Difference]: Without dead ends: 4961 [2020-10-15 04:44:40,192 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 [2020-10-15 04:44:40,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4961 states. [2020-10-15 04:44:40,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4961 to 4349. [2020-10-15 04:44:40,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4349 states. [2020-10-15 04:44:40,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4349 states to 4349 states and 6354 transitions. [2020-10-15 04:44:40,356 INFO L78 Accepts]: Start accepts. Automaton has 4349 states and 6354 transitions. Word has length 169 [2020-10-15 04:44:40,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:44:40,356 INFO L479 AbstractCegarLoop]: Abstraction has 4349 states and 6354 transitions. [2020-10-15 04:44:40,357 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 04:44:40,357 INFO L276 IsEmpty]: Start isEmpty. Operand 4349 states and 6354 transitions. [2020-10-15 04:44:40,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-10-15 04:44:40,373 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:44:40,373 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] [2020-10-15 04:44:40,373 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-15 04:44:40,373 INFO L427 AbstractCegarLoop]: === Iteration 13 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:44:40,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:44:40,374 INFO L82 PathProgramCache]: Analyzing trace with hash 1502630476, now seen corresponding path program 1 times [2020-10-15 04:44:40,374 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:44:40,374 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1257365752] [2020-10-15 04:44:40,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:44:40,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:44:40,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:40,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:40,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:41,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:44:41,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 191 [2020-10-15 04:44:41,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 04:44:41,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 645 [2020-10-15 04:44:41,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:44:41,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:44:41,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:44:41,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-15 04:44:41,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-15 04:44:41,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:44:41,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:44:41,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:44:41,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:41,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:44:41,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:44:41,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:44:41,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:44:41,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:44:41,096 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:44:41,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:44:41,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:44:41,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:44:41,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:44:41,119 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2020-10-15 04:44:41,120 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1257365752] [2020-10-15 04:44:41,120 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:44:41,120 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 04:44:41,121 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301248878] [2020-10-15 04:44:41,121 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 04:44:41,121 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:44:41,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 04:44:41,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-15 04:44:41,122 INFO L87 Difference]: Start difference. First operand 4349 states and 6354 transitions. Second operand 5 states. [2020-10-15 04:44:41,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:44:41,414 INFO L93 Difference]: Finished difference Result 9018 states and 13192 transitions. [2020-10-15 04:44:41,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-15 04:44:41,414 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 183 [2020-10-15 04:44:41,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:44:41,440 INFO L225 Difference]: With dead ends: 9018 [2020-10-15 04:44:41,440 INFO L226 Difference]: Without dead ends: 4681 [2020-10-15 04:44:41,450 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-15 04:44:41,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4681 states. [2020-10-15 04:44:41,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4681 to 4627. [2020-10-15 04:44:41,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4627 states. [2020-10-15 04:44:41,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4627 states to 4627 states and 6727 transitions. [2020-10-15 04:44:41,620 INFO L78 Accepts]: Start accepts. Automaton has 4627 states and 6727 transitions. Word has length 183 [2020-10-15 04:44:41,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:44:41,620 INFO L479 AbstractCegarLoop]: Abstraction has 4627 states and 6727 transitions. [2020-10-15 04:44:41,621 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 04:44:41,621 INFO L276 IsEmpty]: Start isEmpty. Operand 4627 states and 6727 transitions. [2020-10-15 04:44:41,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-10-15 04:44:41,632 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:44:41,633 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 8, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:44:41,633 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-15 04:44:41,633 INFO L427 AbstractCegarLoop]: === Iteration 14 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:44:41,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:44:41,634 INFO L82 PathProgramCache]: Analyzing trace with hash 423249822, now seen corresponding path program 1 times [2020-10-15 04:44:41,634 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:44:41,634 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2093996224] [2020-10-15 04:44:41,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:44:41,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:44:41,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:41,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:41,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:42,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:44:42,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-10-15 04:44:42,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 04:44:42,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 762 [2020-10-15 04:44:42,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:44:42,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:44:42,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:44:42,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-15 04:44:42,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-15 04:44:42,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:44:42,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:44:42,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:44:42,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:42,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:44:42,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:44:42,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:44:42,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:44:42,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:44:42,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:44:42,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:44:42,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:44:42,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:44:42,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:44:42,470 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2020-10-15 04:44:42,471 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2093996224] [2020-10-15 04:44:42,471 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:44:42,471 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 04:44:42,471 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200120517] [2020-10-15 04:44:42,472 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 04:44:42,472 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:44:42,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 04:44:42,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-15 04:44:42,473 INFO L87 Difference]: Start difference. First operand 4627 states and 6727 transitions. Second operand 5 states. [2020-10-15 04:44:42,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:44:42,719 INFO L93 Difference]: Finished difference Result 9234 states and 13425 transitions. [2020-10-15 04:44:42,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-15 04:44:42,720 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 184 [2020-10-15 04:44:42,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:44:42,736 INFO L225 Difference]: With dead ends: 9234 [2020-10-15 04:44:42,736 INFO L226 Difference]: Without dead ends: 4622 [2020-10-15 04:44:42,745 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-15 04:44:42,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4622 states. [2020-10-15 04:44:42,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4622 to 4622. [2020-10-15 04:44:42,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4622 states. [2020-10-15 04:44:42,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4622 states to 4622 states and 6717 transitions. [2020-10-15 04:44:42,902 INFO L78 Accepts]: Start accepts. Automaton has 4622 states and 6717 transitions. Word has length 184 [2020-10-15 04:44:42,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:44:42,902 INFO L479 AbstractCegarLoop]: Abstraction has 4622 states and 6717 transitions. [2020-10-15 04:44:42,902 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 04:44:42,902 INFO L276 IsEmpty]: Start isEmpty. Operand 4622 states and 6717 transitions. [2020-10-15 04:44:42,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-10-15 04:44:42,914 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:44:42,915 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 9, 9, 9, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:44:42,915 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-15 04:44:42,915 INFO L427 AbstractCegarLoop]: === Iteration 15 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:44:42,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:44:42,916 INFO L82 PathProgramCache]: Analyzing trace with hash -62973662, now seen corresponding path program 2 times [2020-10-15 04:44:42,916 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:44:42,916 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [213841285] [2020-10-15 04:44:42,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:44:42,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:44:42,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:43,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:44:43,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 204 [2020-10-15 04:44:43,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:44:43,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 140 [2020-10-15 04:44:43,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:44:43,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:44:43,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:44:43,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-15 04:44:43,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 04:44:43,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:44:43,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:44:43,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:44:43,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:43,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:44:43,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:44:43,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:44:43,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:44:43,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:44:43,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:44:43,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:44:43,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:44:43,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:44:43,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:44:43,222 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 329 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2020-10-15 04:44:43,223 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [213841285] [2020-10-15 04:44:43,223 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:44:43,223 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 04:44:43,223 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710022875] [2020-10-15 04:44:43,224 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 04:44:43,224 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:44:43,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 04:44:43,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 04:44:43,225 INFO L87 Difference]: Start difference. First operand 4622 states and 6717 transitions. Second operand 3 states. [2020-10-15 04:44:43,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:44:43,567 INFO L93 Difference]: Finished difference Result 10185 states and 14858 transitions. [2020-10-15 04:44:43,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 04:44:43,567 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 196 [2020-10-15 04:44:43,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:44:43,589 INFO L225 Difference]: With dead ends: 10185 [2020-10-15 04:44:43,589 INFO L226 Difference]: Without dead ends: 5272 [2020-10-15 04:44:43,603 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 [2020-10-15 04:44:43,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5272 states. [2020-10-15 04:44:43,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5272 to 5036. [2020-10-15 04:44:43,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5036 states. [2020-10-15 04:44:43,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5036 states to 5036 states and 7221 transitions. [2020-10-15 04:44:43,767 INFO L78 Accepts]: Start accepts. Automaton has 5036 states and 7221 transitions. Word has length 196 [2020-10-15 04:44:43,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:44:43,768 INFO L479 AbstractCegarLoop]: Abstraction has 5036 states and 7221 transitions. [2020-10-15 04:44:43,768 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 04:44:43,768 INFO L276 IsEmpty]: Start isEmpty. Operand 5036 states and 7221 transitions. [2020-10-15 04:44:43,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-10-15 04:44:43,782 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:44:43,782 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 10, 10, 10, 10, 10, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-15 04:44:43,782 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-15 04:44:43,782 INFO L427 AbstractCegarLoop]: === Iteration 16 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:44:43,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:44:43,783 INFO L82 PathProgramCache]: Analyzing trace with hash -2113879469, now seen corresponding path program 1 times [2020-10-15 04:44:43,783 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:44:43,784 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [819562167] [2020-10-15 04:44:43,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:44:43,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:44:43,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:43,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:44:43,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-15 04:44:43,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:44:43,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 149 [2020-10-15 04:44:43,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:44:43,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:44:43,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:44:43,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 119 [2020-10-15 04:44:43,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 04:44:43,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:44:44,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:44:44,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:44:44,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:44,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:44:44,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:44:44,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:44:44,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:44:44,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:44:44,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:44:44,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:44:44,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:44:44,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:44:44,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:44:44,039 INFO L134 CoverageAnalysis]: Checked inductivity of 661 backedges. 406 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2020-10-15 04:44:44,039 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [819562167] [2020-10-15 04:44:44,042 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:44:44,042 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 04:44:44,042 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939839678] [2020-10-15 04:44:44,043 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 04:44:44,043 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:44:44,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 04:44:44,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 04:44:44,043 INFO L87 Difference]: Start difference. First operand 5036 states and 7221 transitions. Second operand 3 states. [2020-10-15 04:44:44,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:44:44,464 INFO L93 Difference]: Finished difference Result 11011 states and 15881 transitions. [2020-10-15 04:44:44,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 04:44:44,464 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 217 [2020-10-15 04:44:44,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:44:44,484 INFO L225 Difference]: With dead ends: 11011 [2020-10-15 04:44:44,484 INFO L226 Difference]: Without dead ends: 5720 [2020-10-15 04:44:44,499 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 [2020-10-15 04:44:44,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5720 states. [2020-10-15 04:44:44,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5720 to 5486. [2020-10-15 04:44:44,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5486 states. [2020-10-15 04:44:44,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5486 states to 5486 states and 7797 transitions. [2020-10-15 04:44:44,762 INFO L78 Accepts]: Start accepts. Automaton has 5486 states and 7797 transitions. Word has length 217 [2020-10-15 04:44:44,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:44:44,763 INFO L479 AbstractCegarLoop]: Abstraction has 5486 states and 7797 transitions. [2020-10-15 04:44:44,763 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 04:44:44,764 INFO L276 IsEmpty]: Start isEmpty. Operand 5486 states and 7797 transitions. [2020-10-15 04:44:44,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-10-15 04:44:44,861 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:44:44,862 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 11, 11, 11, 11, 11, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:44:44,862 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-15 04:44:44,863 INFO L427 AbstractCegarLoop]: === Iteration 17 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:44:44,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:44:44,863 INFO L82 PathProgramCache]: Analyzing trace with hash -164747072, now seen corresponding path program 1 times [2020-10-15 04:44:44,864 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:44:44,864 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2027584360] [2020-10-15 04:44:44,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:44:44,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:44:44,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:45,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:44:45,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 249 [2020-10-15 04:44:45,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:44:45,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 204 [2020-10-15 04:44:45,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:44:45,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:44:45,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:44:45,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 142 [2020-10-15 04:44:45,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 04:44:45,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:44:45,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:44:45,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:44:45,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:45,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:44:45,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:44:45,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:44:45,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:44:45,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:44:45,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:44:45,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:44:45,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:44:45,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:44:45,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:44:45,217 INFO L134 CoverageAnalysis]: Checked inductivity of 809 backedges. 481 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2020-10-15 04:44:45,218 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2027584360] [2020-10-15 04:44:45,218 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:44:45,218 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 04:44:45,218 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493306993] [2020-10-15 04:44:45,219 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 04:44:45,219 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:44:45,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 04:44:45,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 04:44:45,220 INFO L87 Difference]: Start difference. First operand 5486 states and 7797 transitions. Second operand 3 states. [2020-10-15 04:44:45,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:44:45,543 INFO L93 Difference]: Finished difference Result 11911 states and 17015 transitions. [2020-10-15 04:44:45,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 04:44:45,544 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 241 [2020-10-15 04:44:45,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:44:45,560 INFO L225 Difference]: With dead ends: 11911 [2020-10-15 04:44:45,560 INFO L226 Difference]: Without dead ends: 6206 [2020-10-15 04:44:45,573 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 [2020-10-15 04:44:45,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6206 states. [2020-10-15 04:44:45,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6206 to 5990. [2020-10-15 04:44:45,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5990 states. [2020-10-15 04:44:45,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5990 states to 5990 states and 8463 transitions. [2020-10-15 04:44:45,749 INFO L78 Accepts]: Start accepts. Automaton has 5990 states and 8463 transitions. Word has length 241 [2020-10-15 04:44:45,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:44:45,750 INFO L479 AbstractCegarLoop]: Abstraction has 5990 states and 8463 transitions. [2020-10-15 04:44:45,750 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 04:44:45,750 INFO L276 IsEmpty]: Start isEmpty. Operand 5990 states and 8463 transitions. [2020-10-15 04:44:45,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-10-15 04:44:45,765 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:44:45,765 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 11, 11, 11, 11, 11, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:44:45,766 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-15 04:44:45,766 INFO L427 AbstractCegarLoop]: === Iteration 18 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:44:45,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:44:45,766 INFO L82 PathProgramCache]: Analyzing trace with hash 1988359746, now seen corresponding path program 1 times [2020-10-15 04:44:45,766 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:44:45,767 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [147912818] [2020-10-15 04:44:45,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:44:45,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:44:45,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:45,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:44:45,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 249 [2020-10-15 04:44:45,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:44:45,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 162 [2020-10-15 04:44:45,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:44:45,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:44:45,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:44:45,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 142 [2020-10-15 04:44:45,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 04:44:45,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:44:46,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:44:46,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:44:46,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:46,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:44:46,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:44:46,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:44:46,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:44:46,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:44:46,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:44:46,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:44:46,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:44:46,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:44:46,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:44:46,116 INFO L134 CoverageAnalysis]: Checked inductivity of 809 backedges. 481 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2020-10-15 04:44:46,116 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [147912818] [2020-10-15 04:44:46,116 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:44:46,116 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 04:44:46,117 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060526326] [2020-10-15 04:44:46,117 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 04:44:46,117 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:44:46,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 04:44:46,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 04:44:46,118 INFO L87 Difference]: Start difference. First operand 5990 states and 8463 transitions. Second operand 3 states. [2020-10-15 04:44:46,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:44:46,451 INFO L93 Difference]: Finished difference Result 12919 states and 18365 transitions. [2020-10-15 04:44:46,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 04:44:46,452 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 241 [2020-10-15 04:44:46,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:44:46,469 INFO L225 Difference]: With dead ends: 12919 [2020-10-15 04:44:46,469 INFO L226 Difference]: Without dead ends: 6782 [2020-10-15 04:44:46,484 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 [2020-10-15 04:44:46,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6782 states. [2020-10-15 04:44:46,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6782 to 6548. [2020-10-15 04:44:46,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6548 states. [2020-10-15 04:44:46,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6548 states to 6548 states and 9255 transitions. [2020-10-15 04:44:46,762 INFO L78 Accepts]: Start accepts. Automaton has 6548 states and 9255 transitions. Word has length 241 [2020-10-15 04:44:46,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:44:46,762 INFO L479 AbstractCegarLoop]: Abstraction has 6548 states and 9255 transitions. [2020-10-15 04:44:46,762 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 04:44:46,762 INFO L276 IsEmpty]: Start isEmpty. Operand 6548 states and 9255 transitions. [2020-10-15 04:44:46,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2020-10-15 04:44:46,788 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:44:46,788 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 12, 12, 12, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-15 04:44:46,789 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-15 04:44:46,789 INFO L427 AbstractCegarLoop]: === Iteration 19 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:44:46,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:44:46,790 INFO L82 PathProgramCache]: Analyzing trace with hash -649461824, now seen corresponding path program 1 times [2020-10-15 04:44:46,790 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:44:46,790 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [689941810] [2020-10-15 04:44:46,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:44:46,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:44:46,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:46,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:47,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:44:47,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 279 [2020-10-15 04:44:47,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 04:44:47,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 373 [2020-10-15 04:44:47,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:44:47,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:44:47,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:44:47,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 142 [2020-10-15 04:44:47,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-15 04:44:47,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 04:44:47,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:44:47,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:44:47,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:47,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:44:47,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:44:47,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:44:47,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:44:47,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:44:47,295 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:44:47,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:44:47,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:44:47,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:44:47,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:44:47,388 INFO L134 CoverageAnalysis]: Checked inductivity of 977 backedges. 624 proven. 0 refuted. 0 times theorem prover too weak. 353 trivial. 0 not checked. [2020-10-15 04:44:47,389 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [689941810] [2020-10-15 04:44:47,389 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:44:47,390 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 04:44:47,390 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879993996] [2020-10-15 04:44:47,392 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 04:44:47,392 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:44:47,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 04:44:47,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 04:44:47,393 INFO L87 Difference]: Start difference. First operand 6548 states and 9255 transitions. Second operand 3 states. [2020-10-15 04:44:47,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:44:47,750 INFO L93 Difference]: Finished difference Result 19596 states and 27709 transitions. [2020-10-15 04:44:47,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 04:44:47,751 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 271 [2020-10-15 04:44:47,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:44:47,803 INFO L225 Difference]: With dead ends: 19596 [2020-10-15 04:44:47,803 INFO L226 Difference]: Without dead ends: 13063 [2020-10-15 04:44:47,826 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 [2020-10-15 04:44:47,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13063 states. [2020-10-15 04:44:48,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13063 to 13061. [2020-10-15 04:44:48,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13061 states. [2020-10-15 04:44:48,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13061 states to 13061 states and 18454 transitions. [2020-10-15 04:44:48,416 INFO L78 Accepts]: Start accepts. Automaton has 13061 states and 18454 transitions. Word has length 271 [2020-10-15 04:44:48,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:44:48,417 INFO L479 AbstractCegarLoop]: Abstraction has 13061 states and 18454 transitions. [2020-10-15 04:44:48,417 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 04:44:48,417 INFO L276 IsEmpty]: Start isEmpty. Operand 13061 states and 18454 transitions. [2020-10-15 04:44:48,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2020-10-15 04:44:48,449 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:44:48,450 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 12, 12, 12, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-15 04:44:48,450 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-15 04:44:48,450 INFO L427 AbstractCegarLoop]: === Iteration 20 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:44:48,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:44:48,451 INFO L82 PathProgramCache]: Analyzing trace with hash 1503644994, now seen corresponding path program 1 times [2020-10-15 04:44:48,451 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:44:48,451 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [538625719] [2020-10-15 04:44:48,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:44:48,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:44:48,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:48,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:44:48,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 279 [2020-10-15 04:44:48,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:44:48,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 142 [2020-10-15 04:44:48,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:44:48,641 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:44:48,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:44:48,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 172 [2020-10-15 04:44:48,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 04:44:48,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:44:48,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:44:48,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:44:48,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:48,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:44:48,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:44:48,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:44:48,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:44:48,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:44:48,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:44:48,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:44:48,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:44:48,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:44:48,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:44:48,717 INFO L134 CoverageAnalysis]: Checked inductivity of 977 backedges. 556 proven. 0 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2020-10-15 04:44:48,718 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [538625719] [2020-10-15 04:44:48,718 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:44:48,718 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 04:44:48,718 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372240164] [2020-10-15 04:44:48,719 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 04:44:48,719 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:44:48,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 04:44:48,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 04:44:48,719 INFO L87 Difference]: Start difference. First operand 13061 states and 18454 transitions. Second operand 3 states. [2020-10-15 04:44:49,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:44:49,171 INFO L93 Difference]: Finished difference Result 27979 states and 39733 transitions. [2020-10-15 04:44:49,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 04:44:49,172 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 271 [2020-10-15 04:44:49,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:44:49,205 INFO L225 Difference]: With dead ends: 27979 [2020-10-15 04:44:49,206 INFO L226 Difference]: Without dead ends: 14753 [2020-10-15 04:44:49,232 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 [2020-10-15 04:44:49,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14753 states. [2020-10-15 04:44:49,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14753 to 14321. [2020-10-15 04:44:49,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14321 states. [2020-10-15 04:44:49,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14321 states to 14321 states and 20326 transitions. [2020-10-15 04:44:49,731 INFO L78 Accepts]: Start accepts. Automaton has 14321 states and 20326 transitions. Word has length 271 [2020-10-15 04:44:49,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:44:49,731 INFO L479 AbstractCegarLoop]: Abstraction has 14321 states and 20326 transitions. [2020-10-15 04:44:49,732 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 04:44:49,732 INFO L276 IsEmpty]: Start isEmpty. Operand 14321 states and 20326 transitions. [2020-10-15 04:44:49,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2020-10-15 04:44:49,758 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:44:49,758 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 13, 13, 13, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:44:49,759 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-15 04:44:49,759 INFO L427 AbstractCegarLoop]: === Iteration 21 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:44:49,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:44:49,759 INFO L82 PathProgramCache]: Analyzing trace with hash -1428470632, now seen corresponding path program 1 times [2020-10-15 04:44:49,760 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:44:49,760 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1862500137] [2020-10-15 04:44:49,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:44:49,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:44:49,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:50,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:44:50,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 314 [2020-10-15 04:44:50,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:44:50,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 212 [2020-10-15 04:44:50,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:44:50,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:44:50,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:44:50,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 205 [2020-10-15 04:44:50,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 04:44:50,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:44:50,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:44:50,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:44:50,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:50,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:44:50,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:44:50,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:44:50,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:44:50,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:44:50,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:44:50,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:44:50,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:44:50,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:44:50,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:44:50,144 INFO L134 CoverageAnalysis]: Checked inductivity of 1171 backedges. 631 proven. 0 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2020-10-15 04:44:50,145 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1862500137] [2020-10-15 04:44:50,145 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:44:50,145 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 04:44:50,145 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487370471] [2020-10-15 04:44:50,146 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 04:44:50,146 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:44:50,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 04:44:50,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 04:44:50,147 INFO L87 Difference]: Start difference. First operand 14321 states and 20326 transitions. Second operand 3 states. [2020-10-15 04:44:50,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:44:50,582 INFO L93 Difference]: Finished difference Result 29095 states and 41191 transitions. [2020-10-15 04:44:50,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 04:44:50,584 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 306 [2020-10-15 04:44:50,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:44:50,617 INFO L225 Difference]: With dead ends: 29095 [2020-10-15 04:44:50,618 INFO L226 Difference]: Without dead ends: 14681 [2020-10-15 04:44:50,640 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 [2020-10-15 04:44:50,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14681 states. [2020-10-15 04:44:51,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14681 to 14249. [2020-10-15 04:44:51,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14249 states. [2020-10-15 04:44:52,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14249 states to 14249 states and 20056 transitions. [2020-10-15 04:44:52,008 INFO L78 Accepts]: Start accepts. Automaton has 14249 states and 20056 transitions. Word has length 306 [2020-10-15 04:44:52,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:44:52,009 INFO L479 AbstractCegarLoop]: Abstraction has 14249 states and 20056 transitions. [2020-10-15 04:44:52,009 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 04:44:52,009 INFO L276 IsEmpty]: Start isEmpty. Operand 14249 states and 20056 transitions. [2020-10-15 04:44:52,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2020-10-15 04:44:52,036 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:44:52,036 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 14, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:44:52,037 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-15 04:44:52,037 INFO L427 AbstractCegarLoop]: === Iteration 22 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:44:52,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:44:52,037 INFO L82 PathProgramCache]: Analyzing trace with hash -659702347, now seen corresponding path program 1 times [2020-10-15 04:44:52,038 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:44:52,039 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [815857928] [2020-10-15 04:44:52,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:44:52,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:44:52,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:52,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:44:52,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 351 [2020-10-15 04:44:52,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:44:52,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 197 [2020-10-15 04:44:52,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:44:52,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:44:52,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:44:52,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 242 [2020-10-15 04:44:52,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-15 04:44:52,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:44:52,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:44:52,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:44:52,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:52,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:44:52,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:44:52,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:44:52,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:44:52,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:44:52,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:44:52,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:44:52,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:44:52,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:44:52,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:44:52,429 INFO L134 CoverageAnalysis]: Checked inductivity of 1422 backedges. 733 proven. 0 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2020-10-15 04:44:52,429 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [815857928] [2020-10-15 04:44:52,429 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:44:52,430 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 04:44:52,430 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735492884] [2020-10-15 04:44:52,431 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 04:44:52,431 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:44:52,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 04:44:52,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 04:44:52,431 INFO L87 Difference]: Start difference. First operand 14249 states and 20056 transitions. Second operand 3 states. [2020-10-15 04:44:52,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:44:52,869 INFO L93 Difference]: Finished difference Result 30301 states and 42235 transitions. [2020-10-15 04:44:52,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 04:44:52,869 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 343 [2020-10-15 04:44:52,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:44:52,904 INFO L225 Difference]: With dead ends: 30301 [2020-10-15 04:44:52,904 INFO L226 Difference]: Without dead ends: 16067 [2020-10-15 04:44:52,927 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 [2020-10-15 04:44:52,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16067 states. [2020-10-15 04:44:53,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16067 to 14771. [2020-10-15 04:44:53,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14771 states. [2020-10-15 04:44:53,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14771 states to 14771 states and 20542 transitions. [2020-10-15 04:44:53,568 INFO L78 Accepts]: Start accepts. Automaton has 14771 states and 20542 transitions. Word has length 343 [2020-10-15 04:44:53,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:44:53,569 INFO L479 AbstractCegarLoop]: Abstraction has 14771 states and 20542 transitions. [2020-10-15 04:44:53,569 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 04:44:53,569 INFO L276 IsEmpty]: Start isEmpty. Operand 14771 states and 20542 transitions. [2020-10-15 04:44:53,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2020-10-15 04:44:53,598 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:44:53,598 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 14, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:44:53,599 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-15 04:44:53,599 INFO L427 AbstractCegarLoop]: === Iteration 23 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:44:53,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:44:53,599 INFO L82 PathProgramCache]: Analyzing trace with hash -613438822, now seen corresponding path program 1 times [2020-10-15 04:44:53,599 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:44:53,604 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [714941853] [2020-10-15 04:44:53,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:44:53,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:44:53,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:53,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:44:53,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 362 [2020-10-15 04:44:53,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:44:53,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 263 [2020-10-15 04:44:53,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:44:53,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:44:53,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 04:44:53,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 243 [2020-10-15 04:44:53,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-15 04:44:53,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:44:53,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:44:53,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:44:53,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:53,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:44:53,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:44:53,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:44:53,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:44:53,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:44:53,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:44:53,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:44:53,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:44:53,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:44:53,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:44:54,066 INFO L134 CoverageAnalysis]: Checked inductivity of 1418 backedges. 793 proven. 12 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2020-10-15 04:44:54,066 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [714941853] [2020-10-15 04:44:54,068 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 04:44:54,069 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-10-15 04:44:54,070 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112886417] [2020-10-15 04:44:54,071 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-15 04:44:54,071 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:44:54,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-15 04:44:54,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-15 04:44:54,072 INFO L87 Difference]: Start difference. First operand 14771 states and 20542 transitions. Second operand 4 states. [2020-10-15 04:44:54,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:44:54,770 INFO L93 Difference]: Finished difference Result 36312 states and 50526 transitions. [2020-10-15 04:44:54,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-15 04:44:54,771 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 354 [2020-10-15 04:44:54,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:44:54,815 INFO L225 Difference]: With dead ends: 36312 [2020-10-15 04:44:54,815 INFO L226 Difference]: Without dead ends: 21556 [2020-10-15 04:44:54,837 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 [2020-10-15 04:44:54,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21556 states. [2020-10-15 04:44:55,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21556 to 17747. [2020-10-15 04:44:55,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17747 states. [2020-10-15 04:44:55,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17747 states to 17747 states and 24252 transitions. [2020-10-15 04:44:55,407 INFO L78 Accepts]: Start accepts. Automaton has 17747 states and 24252 transitions. Word has length 354 [2020-10-15 04:44:55,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:44:55,408 INFO L479 AbstractCegarLoop]: Abstraction has 17747 states and 24252 transitions. [2020-10-15 04:44:55,408 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-15 04:44:55,408 INFO L276 IsEmpty]: Start isEmpty. Operand 17747 states and 24252 transitions. [2020-10-15 04:44:55,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2020-10-15 04:44:55,438 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:44:55,438 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 16, 16, 16, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:44:55,439 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-15 04:44:55,439 INFO L427 AbstractCegarLoop]: === Iteration 24 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:44:55,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:44:55,440 INFO L82 PathProgramCache]: Analyzing trace with hash 1669016389, now seen corresponding path program 1 times [2020-10-15 04:44:55,440 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:44:55,440 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [203045754] [2020-10-15 04:44:55,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:44:55,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:44:55,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:55,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:44:55,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 428 [2020-10-15 04:44:55,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:44:55,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 310 [2020-10-15 04:44:55,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:44:55,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:44:55,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:44:55,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 320 [2020-10-15 04:44:55,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 04:44:55,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:44:55,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:44:55,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:44:55,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:55,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:44:55,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:44:55,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:44:55,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:44:55,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:44:55,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:44:55,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:44:55,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:44:55,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:44:55,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:44:55,997 INFO L134 CoverageAnalysis]: Checked inductivity of 1972 backedges. 887 proven. 0 refuted. 0 times theorem prover too weak. 1085 trivial. 0 not checked. [2020-10-15 04:44:55,998 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [203045754] [2020-10-15 04:44:55,998 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:44:55,998 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 04:44:55,998 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411383305] [2020-10-15 04:44:55,999 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 04:44:55,999 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:44:55,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 04:44:56,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 04:44:56,000 INFO L87 Difference]: Start difference. First operand 17747 states and 24252 transitions. Second operand 3 states. [2020-10-15 04:44:56,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:44:56,406 INFO L93 Difference]: Finished difference Result 35509 states and 47943 transitions. [2020-10-15 04:44:56,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 04:44:56,406 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 420 [2020-10-15 04:44:56,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:44:56,425 INFO L225 Difference]: With dead ends: 35509 [2020-10-15 04:44:56,425 INFO L226 Difference]: Without dead ends: 8487 [2020-10-15 04:44:56,448 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 [2020-10-15 04:44:56,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8487 states. [2020-10-15 04:44:56,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8487 to 8427. [2020-10-15 04:44:56,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8427 states. [2020-10-15 04:44:56,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8427 states to 8427 states and 11518 transitions. [2020-10-15 04:44:56,743 INFO L78 Accepts]: Start accepts. Automaton has 8427 states and 11518 transitions. Word has length 420 [2020-10-15 04:44:56,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:44:56,744 INFO L479 AbstractCegarLoop]: Abstraction has 8427 states and 11518 transitions. [2020-10-15 04:44:56,744 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 04:44:56,744 INFO L276 IsEmpty]: Start isEmpty. Operand 8427 states and 11518 transitions. [2020-10-15 04:44:56,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 504 [2020-10-15 04:44:56,772 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:44:56,772 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 17, 16, 16, 14, 14, 13, 13, 12, 12, 10, 10, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-15 04:44:56,773 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-15 04:44:56,774 INFO L427 AbstractCegarLoop]: === Iteration 25 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:44:56,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:44:56,776 INFO L82 PathProgramCache]: Analyzing trace with hash 1592156948, now seen corresponding path program 1 times [2020-10-15 04:44:56,777 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:44:56,777 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [422775353] [2020-10-15 04:44:56,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:44:56,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:44:56,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:56,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:56,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:58,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:45:01,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:45:01,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 511 [2020-10-15 04:45:01,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 04:45:01,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4837 [2020-10-15 04:45:01,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:45:01,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:45:01,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 04:45:01,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 167 [2020-10-15 04:45:01,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 227 [2020-10-15 04:45:01,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:45:01,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:45:01,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:45:01,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:45:01,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:45:01,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:45:01,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:45:01,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:45:01,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:45:01,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:45:01,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:45:01,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:45:01,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:45:01,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:45:02,255 INFO L134 CoverageAnalysis]: Checked inductivity of 2607 backedges. 1783 proven. 1 refuted. 0 times theorem prover too weak. 823 trivial. 0 not checked. [2020-10-15 04:45:02,256 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [422775353] [2020-10-15 04:45:02,256 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 04:45:02,256 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-15 04:45:02,257 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927437542] [2020-10-15 04:45:02,257 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-15 04:45:02,258 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:45:02,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-15 04:45:02,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-15 04:45:02,258 INFO L87 Difference]: Start difference. First operand 8427 states and 11518 transitions. Second operand 6 states. [2020-10-15 04:45:02,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:45:02,457 INFO L93 Difference]: Finished difference Result 17731 states and 24204 transitions. [2020-10-15 04:45:02,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 04:45:02,457 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 503 [2020-10-15 04:45:02,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:45:02,458 INFO L225 Difference]: With dead ends: 17731 [2020-10-15 04:45:02,458 INFO L226 Difference]: Without dead ends: 0 [2020-10-15 04:45:02,476 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-10-15 04:45:02,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-15 04:45:02,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-15 04:45:02,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-15 04:45:02,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-15 04:45:02,477 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 503 [2020-10-15 04:45:02,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:45:02,478 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-15 04:45:02,478 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-15 04:45:02,478 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-15 04:45:02,478 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-15 04:45:02,478 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-15 04:45:02,481 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-15 04:45:02,684 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 62 [2020-10-15 04:45:02,797 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 61 [2020-10-15 04:45:03,089 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 97 [2020-10-15 04:45:05,670 WARN L193 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 694 DAG size of output: 203 [2020-10-15 04:45:07,844 WARN L193 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 470 DAG size of output: 453 [2020-10-15 04:45:08,143 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 83 [2020-10-15 04:45:08,338 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 96 [2020-10-15 04:45:08,444 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 102 [2020-10-15 04:45:08,795 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 35 [2020-10-15 04:45:09,044 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 42 [2020-10-15 04:45:09,288 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 35 [2020-10-15 04:45:10,514 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 196 DAG size of output: 59 [2020-10-15 04:45:10,748 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 44 [2020-10-15 04:45:17,016 WARN L193 SmtUtils]: Spent 6.26 s on a formula simplification. DAG size of input: 449 DAG size of output: 42 [2020-10-15 04:45:17,331 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 45 [2020-10-15 04:45:17,750 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 43 [2020-10-15 04:45:18,031 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 35 [2020-10-15 04:45:18,268 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 35 [2020-10-15 04:45:18,451 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 36 [2020-10-15 04:45:18,707 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 33 [2020-10-15 04:45:19,006 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 35 [2020-10-15 04:45:19,267 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 42 [2020-10-15 04:45:19,413 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 33 [2020-10-15 04:45:19,627 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 35 [2020-10-15 04:45:19,634 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-10-15 04:45:19,634 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-15 04:45:19,634 INFO L264 CegarLoopResult]: At program point L201(lines 197 514) the Hoare annotation is: (let ((.cse1 (let ((.cse3 (+ ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256))) (<= .cse3 (* 4294967296 (div .cse3 4294967296))))) (.cse2 (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 ssl3_connect_~__cil_tmp64~0)) (.cse0 (<= 4560 ssl3_connect_~s__state~0))) (or (and (= ssl3_connect_~__cil_tmp67~0 ssl3_connect_~s__s3__flags~0) .cse0 .cse1 (<= (+ ssl3_connect_~s__s3__flags~0 2) 0) .cse2 (<= ssl3_connect_~blastFlag~0 3)) (not (= 12292 |ssl3_connect_#in~initial_state|)) (and (= ssl3_connect_~s__hit~0 0) .cse0 .cse1 .cse2) (and .cse0 (<= ssl3_connect_~blastFlag~0 2)))) [2020-10-15 04:45:19,635 INFO L264 CegarLoopResult]: At program point L135(lines 131 536) the Hoare annotation is: (let ((.cse0 (= ssl3_connect_~s__hit~0 0)) (.cse5 (let ((.cse10 (+ ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256))) (<= .cse10 (* 4294967296 (div .cse10 4294967296))))) (.cse6 (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 ssl3_connect_~__cil_tmp64~0)) (.cse7 (<= ssl3_connect_~blastFlag~0 3)) (.cse8 (= ssl3_connect_~__cil_tmp67~0 ssl3_connect_~s__s3__flags~0)) (.cse1 (not (= ssl3_connect_~s__state~0 4368))) (.cse9 (<= (+ ssl3_connect_~s__s3__flags~0 2) 0)) (.cse2 (<= 4352 ssl3_connect_~s__state~0)) (.cse3 (<= ssl3_connect_~blastFlag~0 2)) (.cse4 (<= ssl3_connect_~s__state~0 4400))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse2 .cse6 .cse7 .cse4) (and (<= ssl3_connect_~blastFlag~0 1) .cse1 .cse2 .cse4) (not (= 12292 |ssl3_connect_#in~initial_state|)) (and .cse8 .cse1 .cse5 .cse9 .cse2 .cse6 .cse7 .cse4) (and .cse8 .cse1 .cse9 .cse2 .cse3 .cse4))) [2020-10-15 04:45:19,635 INFO L268 CegarLoopResult]: For program point L102(lines 102 104) no Hoare annotation was computed. [2020-10-15 04:45:19,635 INFO L268 CegarLoopResult]: For program point L235(lines 235 251) no Hoare annotation was computed. [2020-10-15 04:45:19,636 INFO L268 CegarLoopResult]: For program point L235-2(lines 210 508) no Hoare annotation was computed. [2020-10-15 04:45:19,636 INFO L268 CegarLoopResult]: For program point L467(lines 467 479) no Hoare annotation was computed. [2020-10-15 04:45:19,636 INFO L268 CegarLoopResult]: For program point L434(lines 434 448) no Hoare annotation was computed. [2020-10-15 04:45:19,636 INFO L268 CegarLoopResult]: For program point L434-1(lines 434 448) no Hoare annotation was computed. [2020-10-15 04:45:19,636 INFO L268 CegarLoopResult]: For program point L467-2(lines 467 479) no Hoare annotation was computed. [2020-10-15 04:45:19,636 INFO L268 CegarLoopResult]: For program point L335(lines 335 338) no Hoare annotation was computed. [2020-10-15 04:45:19,636 INFO L268 CegarLoopResult]: For program point L269(lines 269 271) no Hoare annotation was computed. [2020-10-15 04:45:19,637 INFO L268 CegarLoopResult]: For program point L203(lines 203 512) no Hoare annotation was computed. [2020-10-15 04:45:19,637 INFO L268 CegarLoopResult]: For program point L269-2(lines 210 508) no Hoare annotation was computed. [2020-10-15 04:45:19,637 INFO L268 CegarLoopResult]: For program point L170(lines 170 523) no Hoare annotation was computed. [2020-10-15 04:45:19,637 INFO L268 CegarLoopResult]: For program point L137(lines 137 534) no Hoare annotation was computed. [2020-10-15 04:45:19,637 INFO L268 CegarLoopResult]: For program point L501(lines 501 503) no Hoare annotation was computed. [2020-10-15 04:45:19,637 INFO L264 CegarLoopResult]: At program point L204(lines 203 512) the Hoare annotation is: (let ((.cse3 (= ssl3_connect_~__cil_tmp67~0 ssl3_connect_~s__s3__flags~0)) (.cse5 (<= (+ ssl3_connect_~s__s3__flags~0 2) 0)) (.cse4 (let ((.cse10 (+ ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256))) (<= .cse10 (* 4294967296 (div .cse10 4294967296))))) (.cse6 (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 ssl3_connect_~__cil_tmp64~0)) (.cse7 (<= ssl3_connect_~blastFlag~0 3)) (.cse8 (= ssl3_connect_~s__hit~0 0)) (.cse0 (not (= ssl3_connect_~s__state~0 4368))) (.cse1 (<= 4352 ssl3_connect_~s__state~0)) (.cse2 (<= ssl3_connect_~s__state~0 4368)) (.cse9 (<= ssl3_connect_~blastFlag~0 2))) (or (and (<= ssl3_connect_~blastFlag~0 1) .cse0 .cse1 .cse2) (and .cse3 .cse0 .cse4 .cse5 .cse1 .cse6 .cse2 .cse7) (and .cse8 .cse0 .cse4 .cse1 (= ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse6 .cse2) (and .cse3 .cse0 .cse5 .cse1 .cse2 .cse9) (not (= 12292 |ssl3_connect_#in~initial_state|)) (and .cse8 .cse0 .cse4 .cse1 .cse6 .cse2 .cse7) (and .cse8 .cse0 .cse1 .cse2 .cse9))) [2020-10-15 04:45:19,638 INFO L264 CegarLoopResult]: At program point L171(lines 161 526) the Hoare annotation is: (let ((.cse2 (<= ssl3_connect_~blastFlag~0 4)) (.cse0 (<= ssl3_connect_~s__state~0 4480)) (.cse3 (let ((.cse5 (+ ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256))) (<= .cse5 (* 4294967296 (div .cse5 4294967296))))) (.cse4 (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 ssl3_connect_~__cil_tmp64~0)) (.cse1 (<= 4432 ssl3_connect_~s__state~0))) (or (not (= 12292 |ssl3_connect_#in~initial_state|)) (and .cse0 .cse1 (<= ssl3_connect_~blastFlag~0 2)) (and .cse2 (= ssl3_connect_~s__hit~0 0) .cse3 .cse0 .cse4 .cse1) (and .cse2 (= ssl3_connect_~__cil_tmp67~0 ssl3_connect_~s__s3__flags~0) .cse0 .cse3 (<= (+ ssl3_connect_~s__s3__flags~0 2) 0) .cse4 .cse1))) [2020-10-15 04:45:19,638 INFO L268 CegarLoopResult]: For program point L568(lines 568 570) no Hoare annotation was computed. [2020-10-15 04:45:19,638 INFO L268 CegarLoopResult]: For program point L568-2(lines 568 570) no Hoare annotation was computed. [2020-10-15 04:45:19,638 INFO L268 CegarLoopResult]: For program point L370(lines 370 372) no Hoare annotation was computed. [2020-10-15 04:45:19,638 INFO L268 CegarLoopResult]: For program point L404(lines 404 406) no Hoare annotation was computed. [2020-10-15 04:45:19,638 INFO L268 CegarLoopResult]: For program point L206(lines 206 511) no Hoare annotation was computed. [2020-10-15 04:45:19,638 INFO L268 CegarLoopResult]: For program point L173(lines 173 522) no Hoare annotation was computed. [2020-10-15 04:45:19,638 INFO L268 CegarLoopResult]: For program point L140(lines 140 533) no Hoare annotation was computed. [2020-10-15 04:45:19,639 INFO L268 CegarLoopResult]: For program point L107-1(lines 84 574) no Hoare annotation was computed. [2020-10-15 04:45:19,639 INFO L268 CegarLoopResult]: For program point L438(lines 438 444) no Hoare annotation was computed. [2020-10-15 04:45:19,639 INFO L271 CegarLoopResult]: At program point L207(lines 206 511) the Hoare annotation is: true [2020-10-15 04:45:19,639 INFO L264 CegarLoopResult]: At program point L141(lines 137 534) the Hoare annotation is: (let ((.cse3 (= ssl3_connect_~__cil_tmp67~0 ssl3_connect_~s__s3__flags~0)) (.cse4 (<= (+ ssl3_connect_~s__s3__flags~0 2) 0)) (.cse6 (let ((.cse10 (+ ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256))) (<= .cse10 (* 4294967296 (div .cse10 4294967296))))) (.cse7 (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 ssl3_connect_~__cil_tmp64~0)) (.cse8 (<= ssl3_connect_~blastFlag~0 3)) (.cse9 (= ssl3_connect_~s__hit~0 0)) (.cse0 (not (= ssl3_connect_~s__state~0 4368))) (.cse1 (<= ssl3_connect_~s__state~0 4416)) (.cse2 (<= 4352 ssl3_connect_~s__state~0)) (.cse5 (<= ssl3_connect_~blastFlag~0 2))) (or (and (<= ssl3_connect_~blastFlag~0 1) .cse0 .cse1 .cse2) (and .cse3 .cse0 .cse1 .cse4 .cse2 .cse5) (not (= 12292 |ssl3_connect_#in~initial_state|)) (and .cse3 .cse0 .cse1 .cse6 .cse4 .cse2 .cse7 .cse8) (and .cse9 .cse0 .cse1 .cse6 .cse2 .cse7 .cse8) (and .cse9 .cse0 .cse1 .cse2 .cse5))) [2020-10-15 04:45:19,639 INFO L268 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-15 04:45:19,639 INFO L268 CegarLoopResult]: For program point L241(lines 241 244) no Hoare annotation was computed. [2020-10-15 04:45:19,639 INFO L268 CegarLoopResult]: For program point L473(lines 473 476) no Hoare annotation was computed. [2020-10-15 04:45:19,639 INFO L271 CegarLoopResult]: At program point L209(lines 208 511) the Hoare annotation is: true [2020-10-15 04:45:19,640 INFO L268 CegarLoopResult]: For program point L176(lines 176 521) no Hoare annotation was computed. [2020-10-15 04:45:19,640 INFO L268 CegarLoopResult]: For program point L143(lines 143 532) no Hoare annotation was computed. [2020-10-15 04:45:19,640 INFO L268 CegarLoopResult]: For program point L110(lines 110 543) no Hoare annotation was computed. [2020-10-15 04:45:19,640 INFO L268 CegarLoopResult]: For program point L309(lines 309 319) no Hoare annotation was computed. [2020-10-15 04:45:19,640 INFO L268 CegarLoopResult]: For program point L309-2(lines 309 319) no Hoare annotation was computed. [2020-10-15 04:45:19,640 INFO L264 CegarLoopResult]: At program point L177(lines 173 522) the Hoare annotation is: (let ((.cse2 (<= ssl3_connect_~blastFlag~0 4)) (.cse0 (<= ssl3_connect_~s__state~0 4512)) (.cse3 (let ((.cse5 (+ ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256))) (<= .cse5 (* 4294967296 (div .cse5 4294967296))))) (.cse4 (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 ssl3_connect_~__cil_tmp64~0)) (.cse1 (<= 4432 ssl3_connect_~s__state~0))) (or (and .cse0 .cse1 (<= ssl3_connect_~blastFlag~0 2)) (and .cse2 (= ssl3_connect_~__cil_tmp67~0 ssl3_connect_~s__s3__flags~0) .cse0 (<= (+ ssl3_connect_~s__s3__flags~0 2) 0) .cse3 .cse4 .cse1) (not (= 12292 |ssl3_connect_#in~initial_state|)) (and .cse2 (= ssl3_connect_~s__hit~0 0) .cse0 .cse3 .cse4 .cse1))) [2020-10-15 04:45:19,641 INFO L264 CegarLoopResult]: At program point L111(lines 110 543) the Hoare annotation is: (let ((.cse2 (let ((.cse8 (+ ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256))) (<= .cse8 (* 4294967296 (div .cse8 4294967296))))) (.cse3 (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 ssl3_connect_~__cil_tmp64~0)) (.cse4 (<= ssl3_connect_~blastFlag~0 3)) (.cse1 (= ssl3_connect_~s__hit~0 0)) (.cse0 (= 12292 ssl3_connect_~s__state~0)) (.cse5 (= ssl3_connect_~__cil_tmp67~0 ssl3_connect_~s__s3__flags~0)) (.cse6 (<= (+ ssl3_connect_~s__s3__flags~0 2) 0)) (.cse7 (<= ssl3_connect_~blastFlag~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (<= ssl3_connect_~blastFlag~0 1) .cse0) (not (= 12292 |ssl3_connect_#in~initial_state|)) (and .cse0 .cse5 .cse2 .cse6 .cse3 .cse4) (and .cse0 .cse1 .cse7) (and .cse0 .cse5 .cse6 .cse7))) [2020-10-15 04:45:19,641 INFO L268 CegarLoopResult]: For program point L343(lines 343 345) no Hoare annotation was computed. [2020-10-15 04:45:19,641 INFO L264 CegarLoopResult]: At program point L509(lines 107 562) the Hoare annotation is: (let ((.cse5 (= ssl3_connect_~s__state~0 4560)) (.cse2 (= ssl3_connect_~s__s3__tmp__next_state___0~0 4560)) (.cse6 (<= ssl3_connect_~s__state~0 3)) (.cse4 (<= ssl3_connect_~blastFlag~0 2)) (.cse9 (<= ssl3_connect_~blastFlag~0 3)) (.cse10 (= ssl3_connect_~__cil_tmp67~0 ssl3_connect_~s__s3__flags~0)) (.cse11 (<= (+ ssl3_connect_~s__s3__flags~0 2) 0)) (.cse12 (<= ssl3_connect_~blastFlag~0 4)) (.cse7 (<= ssl3_connect_~s__state~0 4528)) (.cse0 (= ssl3_connect_~s__hit~0 0)) (.cse1 (let ((.cse13 (+ ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256))) (<= .cse13 (* 4294967296 (div .cse13 4294967296))))) (.cse3 (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 ssl3_connect_~__cil_tmp64~0)) (.cse8 (<= 4432 ssl3_connect_~s__state~0))) (or (<= ssl3_connect_~blastFlag~0 1) (and .cse0 (not (= ssl3_connect_~s__state~0 4368)) .cse1 (<= 4352 ssl3_connect_~s__state~0) .cse2 .cse3 (<= ssl3_connect_~s__state~0 4368)) (and .cse0 .cse4) (and .cse5 .cse4) (and .cse6 .cse4) (and .cse5 .cse0 .cse1 .cse2 .cse3) (and .cse7 .cse8 .cse4) (and .cse6 .cse1 .cse3) (not (= 12292 |ssl3_connect_#in~initial_state|)) (and .cse0 .cse1 .cse3 .cse9) (and .cse10 .cse11 .cse4) (and .cse10 .cse1 .cse11 .cse3 .cse9) (and .cse12 .cse7 .cse10 .cse1 .cse11 .cse3 .cse8) (and .cse12 .cse7 .cse0 .cse1 .cse3 .cse8))) [2020-10-15 04:45:19,641 INFO L268 CegarLoopResult]: For program point L410(lines 410 414) no Hoare annotation was computed. [2020-10-15 04:45:19,641 INFO L264 CegarLoopResult]: At program point L344(lines 84 574) the Hoare annotation is: (not (= 12292 |ssl3_connect_#in~initial_state|)) [2020-10-15 04:45:19,642 INFO L268 CegarLoopResult]: For program point L410-2(lines 210 508) no Hoare annotation was computed. [2020-10-15 04:45:19,642 INFO L268 CegarLoopResult]: For program point L179(lines 179 520) no Hoare annotation was computed. [2020-10-15 04:45:19,642 INFO L268 CegarLoopResult]: For program point L146(lines 146 531) no Hoare annotation was computed. [2020-10-15 04:45:19,642 INFO L268 CegarLoopResult]: For program point L113(lines 113 542) no Hoare annotation was computed. [2020-10-15 04:45:19,642 INFO L268 CegarLoopResult]: For program point L246(lines 246 249) no Hoare annotation was computed. [2020-10-15 04:45:19,642 INFO L264 CegarLoopResult]: At program point L147(lines 143 532) the Hoare annotation is: (let ((.cse7 (= ssl3_connect_~s__hit~0 0)) (.cse2 (let ((.cse9 (+ ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256))) (<= .cse9 (* 4294967296 (div .cse9 4294967296))))) (.cse5 (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 ssl3_connect_~__cil_tmp64~0)) (.cse0 (= ssl3_connect_~__cil_tmp67~0 ssl3_connect_~s__s3__flags~0)) (.cse3 (<= (+ ssl3_connect_~s__s3__flags~0 2) 0)) (.cse8 (<= ssl3_connect_~blastFlag~0 2)) (.cse1 (not (= ssl3_connect_~s__state~0 4368))) (.cse4 (<= 4352 ssl3_connect_~s__state~0)) (.cse6 (<= ssl3_connect_~s__state~0 4432))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (<= ssl3_connect_~blastFlag~0 3) .cse6) (and .cse7 .cse1 .cse4 .cse6 .cse8) (and (<= ssl3_connect_~blastFlag~0 4) .cse7 .cse1 .cse2 .cse4 .cse5 .cse6) (not (= 12292 |ssl3_connect_#in~initial_state|)) (and .cse0 .cse1 .cse3 .cse4 .cse6 .cse8) (and (<= ssl3_connect_~blastFlag~0 1) .cse1 .cse4 .cse6))) [2020-10-15 04:45:19,642 INFO L268 CegarLoopResult]: For program point L544(lines 544 560) no Hoare annotation was computed. [2020-10-15 04:45:19,643 INFO L268 CegarLoopResult]: For program point L379(lines 379 381) no Hoare annotation was computed. [2020-10-15 04:45:19,643 INFO L268 CegarLoopResult]: For program point L346(lines 346 348) no Hoare annotation was computed. [2020-10-15 04:45:19,643 INFO L268 CegarLoopResult]: For program point L313(lines 313 315) no Hoare annotation was computed. [2020-10-15 04:45:19,643 INFO L268 CegarLoopResult]: For program point L280(lines 280 282) no Hoare annotation was computed. [2020-10-15 04:45:19,643 INFO L268 CegarLoopResult]: For program point L313-2(lines 311 319) no Hoare annotation was computed. [2020-10-15 04:45:19,643 INFO L268 CegarLoopResult]: For program point L545(lines 545 559) no Hoare annotation was computed. [2020-10-15 04:45:19,644 INFO L264 CegarLoopResult]: At program point L215(lines 113 542) the Hoare annotation is: (let ((.cse0 (= ssl3_connect_~s__hit~0 0)) (.cse2 (let ((.cse8 (+ ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256))) (<= .cse8 (* 4294967296 (div .cse8 4294967296))))) (.cse3 (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 ssl3_connect_~__cil_tmp64~0)) (.cse4 (<= ssl3_connect_~blastFlag~0 3)) (.cse6 (= ssl3_connect_~__cil_tmp67~0 ssl3_connect_~s__s3__flags~0)) (.cse1 (not (= ssl3_connect_~s__state~0 4368))) (.cse7 (<= (+ ssl3_connect_~s__s3__flags~0 2) 0)) (.cse5 (<= ssl3_connect_~blastFlag~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5) (and (<= ssl3_connect_~blastFlag~0 1) .cse1) (and .cse6 .cse1 .cse7 .cse2 .cse3 .cse4) (not (= 12292 |ssl3_connect_#in~initial_state|)) (and .cse6 .cse1 .cse7 .cse5))) [2020-10-15 04:45:19,644 INFO L268 CegarLoopResult]: For program point L182(lines 182 519) no Hoare annotation was computed. [2020-10-15 04:45:19,644 INFO L268 CegarLoopResult]: For program point L149(lines 149 530) no Hoare annotation was computed. [2020-10-15 04:45:19,644 INFO L268 CegarLoopResult]: For program point L116(lines 116 541) no Hoare annotation was computed. [2020-10-15 04:45:19,644 INFO L268 CegarLoopResult]: For program point L546(lines 546 551) no Hoare annotation was computed. [2020-10-15 04:45:19,644 INFO L268 CegarLoopResult]: For program point L546-2(lines 545 559) no Hoare annotation was computed. [2020-10-15 04:45:19,644 INFO L264 CegarLoopResult]: At program point L183(lines 179 520) the Hoare annotation is: (let ((.cse2 (<= ssl3_connect_~blastFlag~0 4)) (.cse0 (<= ssl3_connect_~s__state~0 4512)) (.cse3 (let ((.cse5 (+ ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256))) (<= .cse5 (* 4294967296 (div .cse5 4294967296))))) (.cse4 (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 ssl3_connect_~__cil_tmp64~0)) (.cse1 (<= 4432 ssl3_connect_~s__state~0))) (or (and .cse0 .cse1 (<= ssl3_connect_~blastFlag~0 2)) (not (= 12292 |ssl3_connect_#in~initial_state|)) (and .cse2 (= ssl3_connect_~s__hit~0 0) .cse0 .cse3 .cse4 .cse1) (and .cse2 (= ssl3_connect_~__cil_tmp67~0 ssl3_connect_~s__s3__flags~0) .cse0 .cse3 (<= (+ ssl3_connect_~s__s3__flags~0 2) 0) .cse4 .cse1))) [2020-10-15 04:45:19,645 INFO L271 CegarLoopResult]: At program point ssl3_connectENTRY(lines 10 575) the Hoare annotation is: true [2020-10-15 04:45:19,645 INFO L268 CegarLoopResult]: For program point L548(lines 548 550) no Hoare annotation was computed. [2020-10-15 04:45:19,645 INFO L268 CegarLoopResult]: For program point L383(lines 383 388) no Hoare annotation was computed. [2020-10-15 04:45:19,645 INFO L268 CegarLoopResult]: For program point L383-2(lines 383 388) no Hoare annotation was computed. [2020-10-15 04:45:19,645 INFO L268 CegarLoopResult]: For program point L185(lines 185 518) no Hoare annotation was computed. [2020-10-15 04:45:19,645 INFO L268 CegarLoopResult]: For program point L152(lines 152 529) no Hoare annotation was computed. [2020-10-15 04:45:19,645 INFO L268 CegarLoopResult]: For program point L119(lines 119 540) no Hoare annotation was computed. [2020-10-15 04:45:19,646 INFO L264 CegarLoopResult]: At program point L153(lines 149 530) the Hoare annotation is: (let ((.cse0 (<= ssl3_connect_~blastFlag~0 4)) (.cse2 (let ((.cse5 (+ ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256))) (<= .cse5 (* 4294967296 (div .cse5 4294967296))))) (.cse3 (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 ssl3_connect_~__cil_tmp64~0)) (.cse1 (<= ssl3_connect_~s__state~0 4448)) (.cse4 (<= 4432 ssl3_connect_~s__state~0))) (or (and .cse0 (= ssl3_connect_~s__hit~0 0) .cse1 .cse2 .cse3 .cse4) (not (= 12292 |ssl3_connect_#in~initial_state|)) (and .cse0 (= ssl3_connect_~__cil_tmp67~0 ssl3_connect_~s__s3__flags~0) .cse1 .cse2 (<= (+ ssl3_connect_~s__s3__flags~0 2) 0) .cse3 .cse4) (and .cse1 .cse4 (<= ssl3_connect_~blastFlag~0 2)))) [2020-10-15 04:45:19,646 INFO L268 CegarLoopResult]: For program point L484-1(lines 484 486) no Hoare annotation was computed. [2020-10-15 04:45:19,646 INFO L268 CegarLoopResult]: For program point L220(lines 220 222) no Hoare annotation was computed. [2020-10-15 04:45:19,646 INFO L268 CegarLoopResult]: For program point L220-2(lines 220 222) no Hoare annotation was computed. [2020-10-15 04:45:19,646 INFO L268 CegarLoopResult]: For program point L419(lines 419 422) no Hoare annotation was computed. [2020-10-15 04:45:19,646 INFO L268 CegarLoopResult]: For program point L188(lines 188 517) no Hoare annotation was computed. [2020-10-15 04:45:19,646 INFO L268 CegarLoopResult]: For program point L155(lines 155 528) no Hoare annotation was computed. [2020-10-15 04:45:19,646 INFO L268 CegarLoopResult]: For program point L122(lines 122 539) no Hoare annotation was computed. [2020-10-15 04:45:19,647 INFO L268 CegarLoopResult]: For program point L288(lines 288 294) no Hoare annotation was computed. [2020-10-15 04:45:19,647 INFO L264 CegarLoopResult]: At program point L189(lines 185 518) the Hoare annotation is: (let ((.cse0 (<= ssl3_connect_~blastFlag~0 4)) (.cse1 (<= ssl3_connect_~s__state~0 4528)) (.cse2 (let ((.cse5 (+ ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256))) (<= .cse5 (* 4294967296 (div .cse5 4294967296))))) (.cse3 (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 ssl3_connect_~__cil_tmp64~0)) (.cse4 (<= 4432 ssl3_connect_~s__state~0))) (or (not (= 12292 |ssl3_connect_#in~initial_state|)) (and .cse0 .cse1 (= ssl3_connect_~__cil_tmp67~0 ssl3_connect_~s__s3__flags~0) .cse2 (<= (+ ssl3_connect_~s__s3__flags~0 2) 0) .cse3 .cse4) (and .cse1 .cse4 (<= ssl3_connect_~blastFlag~0 2)) (and .cse0 .cse1 (= ssl3_connect_~s__hit~0 0) .cse2 .cse3 .cse4))) [2020-10-15 04:45:19,647 INFO L268 CegarLoopResult]: For program point L553(lines 553 557) no Hoare annotation was computed. [2020-10-15 04:45:19,647 INFO L268 CegarLoopResult]: For program point L454(lines 454 456) no Hoare annotation was computed. [2020-10-15 04:45:19,647 INFO L268 CegarLoopResult]: For program point L355(lines 355 357) no Hoare annotation was computed. [2020-10-15 04:45:19,647 INFO L268 CegarLoopResult]: For program point L257(lines 257 260) no Hoare annotation was computed. [2020-10-15 04:45:19,647 INFO L268 CegarLoopResult]: For program point L191(lines 191 516) no Hoare annotation was computed. [2020-10-15 04:45:19,648 INFO L268 CegarLoopResult]: For program point L158(lines 158 527) no Hoare annotation was computed. [2020-10-15 04:45:19,648 INFO L268 CegarLoopResult]: For program point L125(lines 125 538) no Hoare annotation was computed. [2020-10-15 04:45:19,648 INFO L268 CegarLoopResult]: For program point ssl3_connectEXIT(lines 10 575) no Hoare annotation was computed. [2020-10-15 04:45:19,648 INFO L268 CegarLoopResult]: For program point L291(lines 291 293) no Hoare annotation was computed. [2020-10-15 04:45:19,648 INFO L268 CegarLoopResult]: For program point L225(lines 225 228) no Hoare annotation was computed. [2020-10-15 04:45:19,648 INFO L268 CegarLoopResult]: For program point L291-2(lines 210 508) no Hoare annotation was computed. [2020-10-15 04:45:19,648 INFO L264 CegarLoopResult]: At program point L159(lines 155 528) the Hoare annotation is: (let ((.cse0 (<= ssl3_connect_~blastFlag~0 4)) (.cse1 (let ((.cse5 (+ ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256))) (<= .cse5 (* 4294967296 (div .cse5 4294967296))))) (.cse2 (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 ssl3_connect_~__cil_tmp64~0)) (.cse3 (<= 4432 ssl3_connect_~s__state~0)) (.cse4 (<= ssl3_connect_~s__state~0 4464))) (or (and .cse0 (= ssl3_connect_~s__hit~0 0) .cse1 .cse2 .cse3 .cse4) (and .cse3 (<= ssl3_connect_~blastFlag~0 2) .cse4) (and .cse0 (= ssl3_connect_~__cil_tmp67~0 ssl3_connect_~s__s3__flags~0) .cse1 (<= (+ ssl3_connect_~s__s3__flags~0 2) 0) .cse2 .cse3 .cse4) (not (= 12292 |ssl3_connect_#in~initial_state|)))) [2020-10-15 04:45:19,649 INFO L268 CegarLoopResult]: For program point L93(lines 93 99) no Hoare annotation was computed. [2020-10-15 04:45:19,649 INFO L268 CegarLoopResult]: For program point ssl3_connectFINAL(lines 10 575) no Hoare annotation was computed. [2020-10-15 04:45:19,649 INFO L268 CegarLoopResult]: For program point L490(lines 490 492) no Hoare annotation was computed. [2020-10-15 04:45:19,649 INFO L268 CegarLoopResult]: For program point L457(lines 457 461) no Hoare annotation was computed. [2020-10-15 04:45:19,649 INFO L268 CegarLoopResult]: For program point L490-2(lines 490 492) no Hoare annotation was computed. [2020-10-15 04:45:19,649 INFO L268 CegarLoopResult]: For program point L457-2(lines 457 461) no Hoare annotation was computed. [2020-10-15 04:45:19,649 INFO L268 CegarLoopResult]: For program point L358(lines 358 362) no Hoare annotation was computed. [2020-10-15 04:45:19,649 INFO L268 CegarLoopResult]: For program point L358-2(lines 358 362) no Hoare annotation was computed. [2020-10-15 04:45:19,650 INFO L268 CegarLoopResult]: For program point L194(lines 194 515) no Hoare annotation was computed. [2020-10-15 04:45:19,650 INFO L268 CegarLoopResult]: For program point L161(lines 161 526) no Hoare annotation was computed. [2020-10-15 04:45:19,650 INFO L268 CegarLoopResult]: For program point L128(lines 128 537) no Hoare annotation was computed. [2020-10-15 04:45:19,650 INFO L268 CegarLoopResult]: For program point L327(lines 327 329) no Hoare annotation was computed. [2020-10-15 04:45:19,650 INFO L268 CegarLoopResult]: For program point L327-2(lines 210 508) no Hoare annotation was computed. [2020-10-15 04:45:19,650 INFO L264 CegarLoopResult]: At program point L195(lines 191 516) the Hoare annotation is: (let ((.cse0 (let ((.cse3 (+ ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256))) (<= .cse3 (* 4294967296 (div .cse3 4294967296))))) (.cse1 (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 ssl3_connect_~__cil_tmp64~0)) (.cse2 (<= 4432 ssl3_connect_~s__state~0))) (or (and (<= ssl3_connect_~blastFlag~0 4) (= ssl3_connect_~__cil_tmp67~0 ssl3_connect_~s__s3__flags~0) (<= (+ ssl3_connect_~s__s3__flags~0 2) 0) .cse0 .cse1 .cse2) (not (= 12292 |ssl3_connect_#in~initial_state|)) (and (= ssl3_connect_~s__hit~0 0) .cse0 .cse1 .cse2) (and .cse2 (<= ssl3_connect_~blastFlag~0 2)))) [2020-10-15 04:45:19,651 INFO L264 CegarLoopResult]: At program point L129(lines 125 538) the Hoare annotation is: (let ((.cse2 (= ssl3_connect_~__cil_tmp67~0 ssl3_connect_~s__s3__flags~0)) (.cse3 (<= (+ ssl3_connect_~s__s3__flags~0 2) 0)) (.cse5 (let ((.cse9 (+ ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256))) (<= .cse9 (* 4294967296 (div .cse9 4294967296))))) (.cse6 (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 ssl3_connect_~__cil_tmp64~0)) (.cse7 (<= ssl3_connect_~blastFlag~0 3)) (.cse8 (= ssl3_connect_~s__hit~0 0)) (.cse0 (<= 4352 ssl3_connect_~s__state~0)) (.cse4 (<= ssl3_connect_~blastFlag~0 2)) (.cse1 (<= ssl3_connect_~s__state~0 4400))) (or (and (<= ssl3_connect_~blastFlag~0 1) .cse0 .cse1) (and .cse2 .cse3 .cse0 .cse4 .cse1) (and .cse2 .cse5 .cse3 .cse0 .cse6 .cse7 .cse1) (and .cse8 .cse5 .cse0 .cse6 .cse7 .cse1) (not (= 12292 |ssl3_connect_#in~initial_state|)) (and .cse8 .cse0 .cse4 .cse1))) [2020-10-15 04:45:19,651 INFO L268 CegarLoopResult]: For program point L96(lines 96 98) no Hoare annotation was computed. [2020-10-15 04:45:19,651 INFO L268 CegarLoopResult]: For program point L96-2(lines 93 99) no Hoare annotation was computed. [2020-10-15 04:45:19,651 INFO L268 CegarLoopResult]: For program point L427(lines 427 429) no Hoare annotation was computed. [2020-10-15 04:45:19,651 INFO L268 CegarLoopResult]: For program point L394(lines 394 396) no Hoare annotation was computed. [2020-10-15 04:45:19,651 INFO L268 CegarLoopResult]: For program point ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION(line 572) no Hoare annotation was computed. [2020-10-15 04:45:19,651 INFO L268 CegarLoopResult]: For program point L197(lines 197 514) no Hoare annotation was computed. [2020-10-15 04:45:19,652 INFO L268 CegarLoopResult]: For program point L164(lines 164 525) no Hoare annotation was computed. [2020-10-15 04:45:19,652 INFO L268 CegarLoopResult]: For program point L131(lines 131 536) no Hoare annotation was computed. [2020-10-15 04:45:19,652 INFO L268 CegarLoopResult]: For program point L496(lines 496 498) no Hoare annotation was computed. [2020-10-15 04:45:19,652 INFO L268 CegarLoopResult]: For program point L496-2(lines 496 498) no Hoare annotation was computed. [2020-10-15 04:45:19,652 INFO L268 CegarLoopResult]: For program point L298(lines 298 302) no Hoare annotation was computed. [2020-10-15 04:45:19,652 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 302) no Hoare annotation was computed. [2020-10-15 04:45:19,652 INFO L271 CegarLoopResult]: At program point L563(lines 106 564) the Hoare annotation is: true [2020-10-15 04:45:19,652 INFO L268 CegarLoopResult]: For program point L200(lines 200 513) no Hoare annotation was computed. [2020-10-15 04:45:19,653 INFO L268 CegarLoopResult]: For program point L167(lines 167 524) no Hoare annotation was computed. [2020-10-15 04:45:19,653 INFO L268 CegarLoopResult]: For program point L134(lines 134 535) no Hoare annotation was computed. [2020-10-15 04:45:19,653 INFO L268 CegarLoopResult]: For program point L101(lines 101 105) no Hoare annotation was computed. [2020-10-15 04:45:19,653 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-15 04:45:19,653 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-15 04:45:19,653 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-15 04:45:19,653 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-15 04:45:19,653 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 576 586) the Hoare annotation is: true [2020-10-15 04:45:19,654 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 576 586) no Hoare annotation was computed. [2020-10-15 04:45:19,654 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 586) no Hoare annotation was computed. [2020-10-15 04:45:19,654 INFO L264 CegarLoopResult]: At program point L582(line 582) the Hoare annotation is: (= 12292 main_~s~0) [2020-10-15 04:45:19,654 INFO L268 CegarLoopResult]: For program point L582-1(line 582) no Hoare annotation was computed. [2020-10-15 04:45:19,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 04:45:19 BoogieIcfgContainer [2020-10-15 04:45:19,691 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-15 04:45:19,693 INFO L168 Benchmark]: Toolchain (without parser) took 58517.31 ms. Allocated memory was 148.4 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 103.9 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2020-10-15 04:45:19,693 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 148.4 MB. Free memory was 122.9 MB in the beginning and 122.5 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. [2020-10-15 04:45:19,694 INFO L168 Benchmark]: CACSL2BoogieTranslator took 471.50 ms. Allocated memory was 148.4 MB in the beginning and 206.0 MB in the end (delta: 57.7 MB). Free memory was 103.5 MB in the beginning and 181.0 MB in the end (delta: -77.5 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. [2020-10-15 04:45:19,694 INFO L168 Benchmark]: Boogie Preprocessor took 59.88 ms. Allocated memory is still 206.0 MB. Free memory was 181.0 MB in the beginning and 178.1 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2020-10-15 04:45:19,695 INFO L168 Benchmark]: RCFGBuilder took 757.48 ms. Allocated memory is still 206.0 MB. Free memory was 178.1 MB in the beginning and 130.2 MB in the end (delta: 47.9 MB). Peak memory consumption was 47.9 MB. Max. memory is 7.1 GB. [2020-10-15 04:45:19,695 INFO L168 Benchmark]: TraceAbstraction took 57223.61 ms. Allocated memory was 206.0 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 130.2 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2020-10-15 04:45:19,698 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 148.4 MB. Free memory was 122.9 MB in the beginning and 122.5 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 471.50 ms. Allocated memory was 148.4 MB in the beginning and 206.0 MB in the end (delta: 57.7 MB). Free memory was 103.5 MB in the beginning and 181.0 MB in the end (delta: -77.5 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 59.88 ms. Allocated memory is still 206.0 MB. Free memory was 181.0 MB in the beginning and 178.1 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 757.48 ms. Allocated memory is still 206.0 MB. Free memory was 178.1 MB in the beginning and 130.2 MB in the end (delta: 47.9 MB). Peak memory consumption was 47.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 57223.61 ms. Allocated memory was 206.0 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 130.2 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 572]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: ((((((((s__hit == 0 && !(s__state == 4368)) && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__s3__tmp__new_cipher__algorithms == __cil_tmp64) && blastFlag <= 3) || ((s__hit == 0 && !(s__state == 4368)) && blastFlag <= 2)) || (blastFlag <= 1 && !(s__state == 4368))) || (((((__cil_tmp67 == s__s3__flags && !(s__state == 4368)) && s__s3__flags + 2 <= 0) && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__s3__tmp__new_cipher__algorithms == __cil_tmp64) && blastFlag <= 3)) || !(12292 == \old(initial_state))) || (((__cil_tmp67 == s__s3__flags && !(s__state == 4368)) && s__s3__flags + 2 <= 0) && blastFlag <= 2) - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: ((((s__state <= 4512 && 4432 <= s__state) && blastFlag <= 2) || !(12292 == \old(initial_state))) || (((((blastFlag <= 4 && s__hit == 0) && s__state <= 4512) && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__s3__tmp__new_cipher__algorithms == __cil_tmp64) && 4432 <= s__state)) || ((((((blastFlag <= 4 && __cil_tmp67 == s__s3__flags) && s__state <= 4512) && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__s3__flags + 2 <= 0) && s__s3__tmp__new_cipher__algorithms == __cil_tmp64) && 4432 <= s__state) - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: ((((((blastFlag <= 1 && 4352 <= s__state) && s__state <= 4400) || ((((__cil_tmp67 == s__s3__flags && s__s3__flags + 2 <= 0) && 4352 <= s__state) && blastFlag <= 2) && s__state <= 4400)) || ((((((__cil_tmp67 == s__s3__flags && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__s3__flags + 2 <= 0) && 4352 <= s__state) && s__s3__tmp__new_cipher__algorithms == __cil_tmp64) && blastFlag <= 3) && s__state <= 4400)) || (((((s__hit == 0 && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && 4352 <= s__state) && s__s3__tmp__new_cipher__algorithms == __cil_tmp64) && blastFlag <= 3) && s__state <= 4400)) || !(12292 == \old(initial_state))) || (((s__hit == 0 && 4352 <= s__state) && blastFlag <= 2) && s__state <= 4400) - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: ((((((((blastFlag <= 1 && !(s__state == 4368)) && 4352 <= s__state) && s__state <= 4368) || (((((((__cil_tmp67 == s__s3__flags && !(s__state == 4368)) && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__s3__flags + 2 <= 0) && 4352 <= s__state) && s__s3__tmp__new_cipher__algorithms == __cil_tmp64) && s__state <= 4368) && blastFlag <= 3)) || ((((((s__hit == 0 && !(s__state == 4368)) && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && 4352 <= s__state) && s__s3__tmp__next_state___0 == 4560) && s__s3__tmp__new_cipher__algorithms == __cil_tmp64) && s__state <= 4368)) || (((((__cil_tmp67 == s__s3__flags && !(s__state == 4368)) && s__s3__flags + 2 <= 0) && 4352 <= s__state) && s__state <= 4368) && blastFlag <= 2)) || !(12292 == \old(initial_state))) || ((((((s__hit == 0 && !(s__state == 4368)) && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && 4352 <= s__state) && s__s3__tmp__new_cipher__algorithms == __cil_tmp64) && s__state <= 4368) && blastFlag <= 3)) || ((((s__hit == 0 && !(s__state == 4368)) && 4352 <= s__state) && s__state <= 4368) && blastFlag <= 2) - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: ((!(12292 == \old(initial_state)) || ((s__state <= 4480 && 4432 <= s__state) && blastFlag <= 2)) || (((((blastFlag <= 4 && s__hit == 0) && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__state <= 4480) && s__s3__tmp__new_cipher__algorithms == __cil_tmp64) && 4432 <= s__state)) || ((((((blastFlag <= 4 && __cil_tmp67 == s__s3__flags) && s__state <= 4480) && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__s3__flags + 2 <= 0) && s__s3__tmp__new_cipher__algorithms == __cil_tmp64) && 4432 <= s__state) - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: (((((((blastFlag <= 4 && s__hit == 0) && s__state <= 4448) && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__s3__tmp__new_cipher__algorithms == __cil_tmp64) && 4432 <= s__state) || !(12292 == \old(initial_state))) || ((((((blastFlag <= 4 && __cil_tmp67 == s__s3__flags) && s__state <= 4448) && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__s3__flags + 2 <= 0) && s__s3__tmp__new_cipher__algorithms == __cil_tmp64) && 4432 <= s__state)) || ((s__state <= 4448 && 4432 <= s__state) && blastFlag <= 2) - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: ((((((((12292 == s__state && s__hit == 0) && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__s3__tmp__new_cipher__algorithms == __cil_tmp64) && blastFlag <= 3) || (blastFlag <= 1 && 12292 == s__state)) || !(12292 == \old(initial_state))) || (((((12292 == s__state && __cil_tmp67 == s__s3__flags) && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__s3__flags + 2 <= 0) && s__s3__tmp__new_cipher__algorithms == __cil_tmp64) && blastFlag <= 3)) || ((12292 == s__state && s__hit == 0) && blastFlag <= 2)) || (((12292 == s__state && __cil_tmp67 == s__s3__flags) && s__s3__flags + 2 <= 0) && blastFlag <= 2) - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: (((((((blastFlag <= 4 && __cil_tmp67 == s__s3__flags) && s__s3__flags + 2 <= 0) && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__s3__tmp__new_cipher__algorithms == __cil_tmp64) && 4432 <= s__state) || !(12292 == \old(initial_state))) || (((s__hit == 0 && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__s3__tmp__new_cipher__algorithms == __cil_tmp64) && 4432 <= s__state)) || (4432 <= s__state && blastFlag <= 2) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: (((((((blastFlag <= 1 && !(s__state == 4368)) && s__state <= 4416) && 4352 <= s__state) || (((((__cil_tmp67 == s__s3__flags && !(s__state == 4368)) && s__state <= 4416) && s__s3__flags + 2 <= 0) && 4352 <= s__state) && blastFlag <= 2)) || !(12292 == \old(initial_state))) || (((((((__cil_tmp67 == s__s3__flags && !(s__state == 4368)) && s__state <= 4416) && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__s3__flags + 2 <= 0) && 4352 <= s__state) && s__s3__tmp__new_cipher__algorithms == __cil_tmp64) && blastFlag <= 3)) || ((((((s__hit == 0 && !(s__state == 4368)) && s__state <= 4416) && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && 4352 <= s__state) && s__s3__tmp__new_cipher__algorithms == __cil_tmp64) && blastFlag <= 3)) || ((((s__hit == 0 && !(s__state == 4368)) && s__state <= 4416) && 4352 <= s__state) && blastFlag <= 2) - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: !(12292 == \old(initial_state)) - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: ((((s__state <= 4512 && 4432 <= s__state) && blastFlag <= 2) || ((((((blastFlag <= 4 && __cil_tmp67 == s__s3__flags) && s__state <= 4512) && s__s3__flags + 2 <= 0) && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__s3__tmp__new_cipher__algorithms == __cil_tmp64) && 4432 <= s__state)) || !(12292 == \old(initial_state))) || (((((blastFlag <= 4 && s__hit == 0) && s__state <= 4512) && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__s3__tmp__new_cipher__algorithms == __cil_tmp64) && 4432 <= s__state) - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: ((((((((s__hit == 0 && !(s__state == 4368)) && 4352 <= s__state) && blastFlag <= 2) && s__state <= 4400) || ((((((s__hit == 0 && !(s__state == 4368)) && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && 4352 <= s__state) && s__s3__tmp__new_cipher__algorithms == __cil_tmp64) && blastFlag <= 3) && s__state <= 4400)) || (((blastFlag <= 1 && !(s__state == 4368)) && 4352 <= s__state) && s__state <= 4400)) || !(12292 == \old(initial_state))) || (((((((__cil_tmp67 == s__s3__flags && !(s__state == 4368)) && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__s3__flags + 2 <= 0) && 4352 <= s__state) && s__s3__tmp__new_cipher__algorithms == __cil_tmp64) && blastFlag <= 3) && s__state <= 4400)) || (((((__cil_tmp67 == s__s3__flags && !(s__state == 4368)) && s__s3__flags + 2 <= 0) && 4352 <= s__state) && blastFlag <= 2) && s__state <= 4400) - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: (((((((__cil_tmp67 == s__s3__flags && 4560 <= s__state) && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__s3__flags + 2 <= 0) && s__s3__tmp__new_cipher__algorithms == __cil_tmp64) && blastFlag <= 3) || !(12292 == \old(initial_state))) || (((s__hit == 0 && 4560 <= s__state) && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__s3__tmp__new_cipher__algorithms == __cil_tmp64)) || (4560 <= s__state && blastFlag <= 2) - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: (((((((blastFlag <= 4 && s__hit == 0) && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__s3__tmp__new_cipher__algorithms == __cil_tmp64) && 4432 <= s__state) && s__state <= 4464) || ((4432 <= s__state && blastFlag <= 2) && s__state <= 4464)) || ((((((blastFlag <= 4 && __cil_tmp67 == s__s3__flags) && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__s3__flags + 2 <= 0) && s__s3__tmp__new_cipher__algorithms == __cil_tmp64) && 4432 <= s__state) && s__state <= 4464)) || !(12292 == \old(initial_state)) - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: ((((((((((((blastFlag <= 1 || ((((((s__hit == 0 && !(s__state == 4368)) && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && 4352 <= s__state) && s__s3__tmp__next_state___0 == 4560) && s__s3__tmp__new_cipher__algorithms == __cil_tmp64) && s__state <= 4368)) || (s__hit == 0 && blastFlag <= 2)) || (s__state == 4560 && blastFlag <= 2)) || (s__state <= 3 && blastFlag <= 2)) || ((((s__state == 4560 && s__hit == 0) && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__s3__tmp__next_state___0 == 4560) && s__s3__tmp__new_cipher__algorithms == __cil_tmp64)) || ((s__state <= 4528 && 4432 <= s__state) && blastFlag <= 2)) || ((s__state <= 3 && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__s3__tmp__new_cipher__algorithms == __cil_tmp64)) || !(12292 == \old(initial_state))) || (((s__hit == 0 && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__s3__tmp__new_cipher__algorithms == __cil_tmp64) && blastFlag <= 3)) || ((__cil_tmp67 == s__s3__flags && s__s3__flags + 2 <= 0) && blastFlag <= 2)) || ((((__cil_tmp67 == s__s3__flags && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__s3__flags + 2 <= 0) && s__s3__tmp__new_cipher__algorithms == __cil_tmp64) && blastFlag <= 3)) || ((((((blastFlag <= 4 && s__state <= 4528) && __cil_tmp67 == s__s3__flags) && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__s3__flags + 2 <= 0) && s__s3__tmp__new_cipher__algorithms == __cil_tmp64) && 4432 <= s__state)) || (((((blastFlag <= 4 && s__state <= 4528) && s__hit == 0) && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__s3__tmp__new_cipher__algorithms == __cil_tmp64) && 4432 <= s__state) - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: ((!(12292 == \old(initial_state)) || ((((((blastFlag <= 4 && s__state <= 4528) && __cil_tmp67 == s__s3__flags) && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__s3__flags + 2 <= 0) && s__s3__tmp__new_cipher__algorithms == __cil_tmp64) && 4432 <= s__state)) || ((s__state <= 4528 && 4432 <= s__state) && blastFlag <= 2)) || (((((blastFlag <= 4 && s__state <= 4528) && s__hit == 0) && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__s3__tmp__new_cipher__algorithms == __cil_tmp64) && 4432 <= s__state) - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: (((((((((((__cil_tmp67 == s__s3__flags && !(s__state == 4368)) && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && s__s3__flags + 2 <= 0) && 4352 <= s__state) && s__s3__tmp__new_cipher__algorithms == __cil_tmp64) && blastFlag <= 3) && s__state <= 4432) || ((((s__hit == 0 && !(s__state == 4368)) && 4352 <= s__state) && s__state <= 4432) && blastFlag <= 2)) || ((((((blastFlag <= 4 && s__hit == 0) && !(s__state == 4368)) && s__s3__tmp__new_cipher__algorithms + 256 <= 4294967296 * ((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296)) && 4352 <= s__state) && s__s3__tmp__new_cipher__algorithms == __cil_tmp64) && s__state <= 4432)) || !(12292 == \old(initial_state))) || (((((__cil_tmp67 == s__s3__flags && !(s__state == 4368)) && s__s3__flags + 2 <= 0) && 4352 <= s__state) && s__state <= 4432) && blastFlag <= 2)) || (((blastFlag <= 1 && !(s__state == 4368)) && 4352 <= s__state) && s__state <= 4432) - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 136 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 39.9s, OverallIterations: 25, TraceHistogramMax: 18, AutomataDifference: 7.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 17.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4967 SDtfs, 3304 SDslu, 4210 SDs, 0 SdLazy, 2078 SolverSat, 558 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 144 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17747occurred in iteration=23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.9s AutomataMinimizationTime, 25 MinimizatonAttempts, 8652 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 1148 NumberOfFragments, 1634 HoareAnnotationTreeSize, 26 FomulaSimplifications, 1380507 FormulaSimplificationTreeSizeReduction, 6.1s HoareSimplificationTime, 26 FomulaSimplificationsInter, 1533710 FormulaSimplificationTreeSizeReductionInter, 10.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 23.1s InterpolantComputationTime, 5025 NumberOfCodeBlocks, 5025 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 5000 ConstructedInterpolants, 0 QuantifiedInterpolants, 2035886 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 22 PerfectInterpolantSequences, 16373/16387 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...