/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ssh-simplified/s3_srvr_3.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 15:40:32,292 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 15:40:32,296 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 15:40:32,340 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 15:40:32,341 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 15:40:32,343 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 15:40:32,351 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 15:40:32,354 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 15:40:32,357 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 15:40:32,361 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 15:40:32,362 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 15:40:32,363 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 15:40:32,363 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 15:40:32,366 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 15:40:32,368 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 15:40:32,369 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 15:40:32,371 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 15:40:32,371 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 15:40:32,373 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 15:40:32,381 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 15:40:32,383 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 15:40:32,384 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 15:40:32,385 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 15:40:32,385 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 15:40:32,398 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 15:40:32,398 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 15:40:32,398 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 15:40:32,405 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 15:40:32,406 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 15:40:32,407 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 15:40:32,407 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 15:40:32,408 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 15:40:32,408 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 15:40:32,409 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 15:40:32,410 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 15:40:32,415 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 15:40:32,416 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 15:40:32,416 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 15:40:32,416 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 15:40:32,417 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 15:40:32,418 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 15:40:32,420 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-13 15:40:32,456 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 15:40:32,456 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 15:40:32,458 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 15:40:32,458 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 15:40:32,458 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 15:40:32,459 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 15:40:32,459 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 15:40:32,459 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 15:40:32,459 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 15:40:32,459 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 15:40:32,460 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 15:40:32,461 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 15:40:32,461 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 15:40:32,461 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 15:40:32,461 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 15:40:32,462 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 15:40:32,462 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 15:40:32,462 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 15:40:32,462 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 15:40:32,462 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 15:40:32,463 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 15:40:32,463 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 15:40:32,463 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 15:40:32,463 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 15:40:32,464 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 15:40:32,464 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 15:40:32,464 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 15:40:32,464 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 15:40:32,464 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 15:40:32,464 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 15:40:32,763 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 15:40:32,777 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 15:40:32,780 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 15:40:32,782 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 15:40:32,782 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 15:40:32,783 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh-simplified/s3_srvr_3.cil.c [2020-10-13 15:40:32,847 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d5a0e539d/ed6b8f486ff24a56944306a4e070e5f2/FLAG3dea706ce [2020-10-13 15:40:33,299 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 15:40:33,299 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ssh-simplified/s3_srvr_3.cil.c [2020-10-13 15:40:33,311 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d5a0e539d/ed6b8f486ff24a56944306a4e070e5f2/FLAG3dea706ce [2020-10-13 15:40:33,683 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d5a0e539d/ed6b8f486ff24a56944306a4e070e5f2 [2020-10-13 15:40:33,692 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 15:40:33,694 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 15:40:33,695 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 15:40:33,696 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 15:40:33,700 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 15:40:33,701 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:40:33" (1/1) ... [2020-10-13 15:40:33,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e6cae7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:40:33, skipping insertion in model container [2020-10-13 15:40:33,705 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:40:33" (1/1) ... [2020-10-13 15:40:33,712 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 15:40:33,754 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 15:40:33,995 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 15:40:34,004 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 15:40:34,229 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 15:40:34,255 INFO L208 MainTranslator]: Completed translation [2020-10-13 15:40:34,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:40:34 WrapperNode [2020-10-13 15:40:34,257 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 15:40:34,258 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 15:40:34,259 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 15:40:34,259 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 15:40:34,280 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:40:34" (1/1) ... [2020-10-13 15:40:34,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:40:34" (1/1) ... [2020-10-13 15:40:34,292 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:40:34" (1/1) ... [2020-10-13 15:40:34,293 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:40:34" (1/1) ... [2020-10-13 15:40:34,305 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:40:34" (1/1) ... [2020-10-13 15:40:34,319 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:40:34" (1/1) ... [2020-10-13 15:40:34,322 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:40:34" (1/1) ... [2020-10-13 15:40:34,327 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 15:40:34,327 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 15:40:34,328 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 15:40:34,328 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 15:40:34,329 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:40:34" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 15:40:34,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 15:40:34,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 15:40:34,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2020-10-13 15:40:34,400 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 15:40:34,400 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 15:40:34,400 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-13 15:40:34,400 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 15:40:34,400 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-13 15:40:34,401 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2020-10-13 15:40:34,401 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 15:40:34,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 15:40:34,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 15:40:34,590 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-13 15:40:35,098 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2020-10-13 15:40:35,098 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2020-10-13 15:40:35,108 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 15:40:35,108 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-13 15:40:35,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:40:35 BoogieIcfgContainer [2020-10-13 15:40:35,114 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 15:40:35,116 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 15:40:35,116 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 15:40:35,119 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 15:40:35,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 03:40:33" (1/3) ... [2020-10-13 15:40:35,121 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@506bc9c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:40:35, skipping insertion in model container [2020-10-13 15:40:35,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:40:34" (2/3) ... [2020-10-13 15:40:35,122 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@506bc9c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:40:35, skipping insertion in model container [2020-10-13 15:40:35,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:40:35" (3/3) ... [2020-10-13 15:40:35,124 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_srvr_3.cil.c [2020-10-13 15:40:35,136 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 15:40:35,144 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 15:40:35,159 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 15:40:35,187 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 15:40:35,187 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 15:40:35,188 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 15:40:35,188 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 15:40:35,188 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 15:40:35,188 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 15:40:35,188 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 15:40:35,189 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 15:40:35,212 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states. [2020-10-13 15:40:35,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-10-13 15:40:35,223 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:40:35,224 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:40:35,225 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:40:35,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:40:35,232 INFO L82 PathProgramCache]: Analyzing trace with hash 882212075, now seen corresponding path program 1 times [2020-10-13 15:40:35,240 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:40:35,241 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1383841274] [2020-10-13 15:40:35,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:40:35,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:40:35,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:35,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:35,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:35,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:40:35,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-13 15:40:35,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 15:40:35,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 556 [2020-10-13 15:40:35,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:40:35,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:40:35,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 15:40:35,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-13 15:40:35,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 15:40:36,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:40:36,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:40:36,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:36,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:40:36,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:40:36,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:40:36,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:40:36,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:40:36,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:40:36,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:40:36,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:40:36,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:40:36,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:40:36,115 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1383841274] [2020-10-13 15:40:36,117 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:40:36,117 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-13 15:40:36,118 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636706148] [2020-10-13 15:40:36,123 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 15:40:36,124 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:40:36,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 15:40:36,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-13 15:40:36,141 INFO L87 Difference]: Start difference. First operand 149 states. Second operand 5 states. [2020-10-13 15:40:36,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:40:36,436 INFO L93 Difference]: Finished difference Result 311 states and 524 transitions. [2020-10-13 15:40:36,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 15:40:36,438 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 49 [2020-10-13 15:40:36,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:40:36,452 INFO L225 Difference]: With dead ends: 311 [2020-10-13 15:40:36,452 INFO L226 Difference]: Without dead ends: 154 [2020-10-13 15:40:36,457 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-13 15:40:36,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2020-10-13 15:40:36,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 151. [2020-10-13 15:40:36,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2020-10-13 15:40:36,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 224 transitions. [2020-10-13 15:40:36,518 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 224 transitions. Word has length 49 [2020-10-13 15:40:36,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:40:36,522 INFO L479 AbstractCegarLoop]: Abstraction has 151 states and 224 transitions. [2020-10-13 15:40:36,523 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 15:40:36,523 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 224 transitions. [2020-10-13 15:40:36,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-10-13 15:40:36,529 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:40:36,529 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:40:36,529 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 15:40:36,530 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:40:36,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:40:36,530 INFO L82 PathProgramCache]: Analyzing trace with hash -218848662, now seen corresponding path program 1 times [2020-10-13 15:40:36,530 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:40:36,531 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1098688476] [2020-10-13 15:40:36,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:40:36,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:40:36,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:36,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:36,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:36,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:40:36,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 15:40:36,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 15:40:36,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 286 [2020-10-13 15:40:36,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:40:36,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:40:36,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-13 15:40:36,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 15:40:36,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 15:40:36,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:40:36,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:40:36,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:36,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:40:36,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:40:36,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:40:36,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:40:36,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:40:36,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:40:36,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:40:36,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:40:36,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:40:36,936 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:40:36,936 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1098688476] [2020-10-13 15:40:36,937 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:40:36,937 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 15:40:36,938 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171134857] [2020-10-13 15:40:36,943 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 15:40:36,943 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:40:36,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 15:40:36,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 15:40:36,949 INFO L87 Difference]: Start difference. First operand 151 states and 224 transitions. Second operand 3 states. [2020-10-13 15:40:37,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:40:37,173 INFO L93 Difference]: Finished difference Result 314 states and 475 transitions. [2020-10-13 15:40:37,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 15:40:37,174 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-10-13 15:40:37,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:40:37,177 INFO L225 Difference]: With dead ends: 314 [2020-10-13 15:40:37,177 INFO L226 Difference]: Without dead ends: 176 [2020-10-13 15:40:37,179 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 15:40:37,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2020-10-13 15:40:37,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 172. [2020-10-13 15:40:37,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2020-10-13 15:40:37,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 250 transitions. [2020-10-13 15:40:37,195 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 250 transitions. Word has length 65 [2020-10-13 15:40:37,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:40:37,195 INFO L479 AbstractCegarLoop]: Abstraction has 172 states and 250 transitions. [2020-10-13 15:40:37,195 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 15:40:37,196 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 250 transitions. [2020-10-13 15:40:37,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-10-13 15:40:37,198 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:40:37,198 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:40:37,198 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 15:40:37,198 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:40:37,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:40:37,199 INFO L82 PathProgramCache]: Analyzing trace with hash 224594490, now seen corresponding path program 1 times [2020-10-13 15:40:37,199 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:40:37,199 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [410229543] [2020-10-13 15:40:37,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:40:37,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:40:37,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:37,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:37,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:37,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:40:37,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-10-13 15:40:37,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 15:40:37,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 196 [2020-10-13 15:40:37,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:40:37,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:40:37,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 15:40:37,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-13 15:40:37,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:40:37,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:40:37,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:40:37,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:37,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:40:37,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:40:37,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:40:37,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:40:37,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:40:37,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:40:37,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:40:37,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:40:37,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:40:37,528 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-13 15:40:37,529 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [410229543] [2020-10-13 15:40:37,530 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:40:37,530 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 15:40:37,530 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537316173] [2020-10-13 15:40:37,531 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 15:40:37,532 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:40:37,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 15:40:37,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 15:40:37,536 INFO L87 Difference]: Start difference. First operand 172 states and 250 transitions. Second operand 3 states. [2020-10-13 15:40:37,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:40:37,757 INFO L93 Difference]: Finished difference Result 377 states and 566 transitions. [2020-10-13 15:40:37,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 15:40:37,757 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 86 [2020-10-13 15:40:37,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:40:37,762 INFO L225 Difference]: With dead ends: 377 [2020-10-13 15:40:37,763 INFO L226 Difference]: Without dead ends: 218 [2020-10-13 15:40:37,766 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 15:40:37,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2020-10-13 15:40:37,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 214. [2020-10-13 15:40:37,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2020-10-13 15:40:37,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 297 transitions. [2020-10-13 15:40:37,796 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 297 transitions. Word has length 86 [2020-10-13 15:40:37,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:40:37,796 INFO L479 AbstractCegarLoop]: Abstraction has 214 states and 297 transitions. [2020-10-13 15:40:37,797 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 15:40:37,797 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 297 transitions. [2020-10-13 15:40:37,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-10-13 15:40:37,800 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:40:37,805 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:40:37,805 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 15:40:37,806 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:40:37,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:40:37,806 INFO L82 PathProgramCache]: Analyzing trace with hash 472740984, now seen corresponding path program 1 times [2020-10-13 15:40:37,806 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:40:37,807 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1418552995] [2020-10-13 15:40:37,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:40:37,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:40:37,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:37,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:37,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:38,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:40:38,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-10-13 15:40:38,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 15:40:38,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 177 [2020-10-13 15:40:38,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:40:38,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:40:38,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 15:40:38,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-13 15:40:38,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:40:38,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:40:38,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:40:38,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:38,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:40:38,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:40:38,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:40:38,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:40:38,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:40:38,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:40:38,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:40:38,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:40:38,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:40:38,055 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-13 15:40:38,055 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1418552995] [2020-10-13 15:40:38,056 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:40:38,056 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 15:40:38,056 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920947328] [2020-10-13 15:40:38,057 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 15:40:38,057 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:40:38,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 15:40:38,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 15:40:38,058 INFO L87 Difference]: Start difference. First operand 214 states and 297 transitions. Second operand 3 states. [2020-10-13 15:40:38,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:40:38,232 INFO L93 Difference]: Finished difference Result 442 states and 624 transitions. [2020-10-13 15:40:38,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 15:40:38,232 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 86 [2020-10-13 15:40:38,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:40:38,235 INFO L225 Difference]: With dead ends: 442 [2020-10-13 15:40:38,235 INFO L226 Difference]: Without dead ends: 241 [2020-10-13 15:40:38,236 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 15:40:38,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2020-10-13 15:40:38,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 237. [2020-10-13 15:40:38,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2020-10-13 15:40:38,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 325 transitions. [2020-10-13 15:40:38,249 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 325 transitions. Word has length 86 [2020-10-13 15:40:38,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:40:38,250 INFO L479 AbstractCegarLoop]: Abstraction has 237 states and 325 transitions. [2020-10-13 15:40:38,250 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 15:40:38,250 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 325 transitions. [2020-10-13 15:40:38,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-10-13 15:40:38,252 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:40:38,252 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:40:38,253 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 15:40:38,253 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:40:38,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:40:38,253 INFO L82 PathProgramCache]: Analyzing trace with hash 1489089496, now seen corresponding path program 1 times [2020-10-13 15:40:38,254 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:40:38,254 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [820321769] [2020-10-13 15:40:38,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:40:38,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:40:38,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:38,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:38,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:38,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:40:38,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-13 15:40:38,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 15:40:38,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 219 [2020-10-13 15:40:38,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:40:38,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:40:38,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-13 15:40:38,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 15:40:38,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:40:38,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:40:38,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:40:38,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:38,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:40:38,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:40:38,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:40:38,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:40:38,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:40:38,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:40:38,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:40:38,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:40:38,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:40:38,559 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-10-13 15:40:38,560 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [820321769] [2020-10-13 15:40:38,560 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:40:38,560 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 15:40:38,561 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153225992] [2020-10-13 15:40:38,562 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 15:40:38,562 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:40:38,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 15:40:38,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 15:40:38,563 INFO L87 Difference]: Start difference. First operand 237 states and 325 transitions. Second operand 3 states. [2020-10-13 15:40:38,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:40:38,778 INFO L93 Difference]: Finished difference Result 499 states and 700 transitions. [2020-10-13 15:40:38,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 15:40:38,778 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 107 [2020-10-13 15:40:38,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:40:38,781 INFO L225 Difference]: With dead ends: 499 [2020-10-13 15:40:38,781 INFO L226 Difference]: Without dead ends: 275 [2020-10-13 15:40:38,783 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 15:40:38,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2020-10-13 15:40:38,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 262. [2020-10-13 15:40:38,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2020-10-13 15:40:38,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 355 transitions. [2020-10-13 15:40:38,797 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 355 transitions. Word has length 107 [2020-10-13 15:40:38,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:40:38,798 INFO L479 AbstractCegarLoop]: Abstraction has 262 states and 355 transitions. [2020-10-13 15:40:38,798 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 15:40:38,799 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 355 transitions. [2020-10-13 15:40:38,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-13 15:40:38,802 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:40:38,802 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:40:38,803 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 15:40:38,803 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:40:38,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:40:38,804 INFO L82 PathProgramCache]: Analyzing trace with hash -1344904457, now seen corresponding path program 1 times [2020-10-13 15:40:38,804 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:40:38,804 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1972478367] [2020-10-13 15:40:38,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:40:38,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:40:38,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:38,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:40:38,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-13 15:40:38,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:40:38,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-10-13 15:40:38,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:40:38,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:40:38,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 91 [2020-10-13 15:40:38,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-13 15:40:38,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:40:39,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:40:39,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:40:39,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:39,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:40:39,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:40:39,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:40:39,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:40:39,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:40:39,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:40:39,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:40:39,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:40:39,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:40:39,044 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-10-13 15:40:39,045 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1972478367] [2020-10-13 15:40:39,045 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:40:39,045 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 15:40:39,046 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725586526] [2020-10-13 15:40:39,046 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 15:40:39,046 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:40:39,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 15:40:39,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 15:40:39,047 INFO L87 Difference]: Start difference. First operand 262 states and 355 transitions. Second operand 3 states. [2020-10-13 15:40:39,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:40:39,084 INFO L93 Difference]: Finished difference Result 511 states and 693 transitions. [2020-10-13 15:40:39,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 15:40:39,085 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2020-10-13 15:40:39,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:40:39,088 INFO L225 Difference]: With dead ends: 511 [2020-10-13 15:40:39,088 INFO L226 Difference]: Without dead ends: 509 [2020-10-13 15:40:39,089 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 15:40:39,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2020-10-13 15:40:39,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 509. [2020-10-13 15:40:39,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 509 states. [2020-10-13 15:40:39,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 509 states and 691 transitions. [2020-10-13 15:40:39,106 INFO L78 Accepts]: Start accepts. Automaton has 509 states and 691 transitions. Word has length 126 [2020-10-13 15:40:39,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:40:39,107 INFO L479 AbstractCegarLoop]: Abstraction has 509 states and 691 transitions. [2020-10-13 15:40:39,107 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 15:40:39,107 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 691 transitions. [2020-10-13 15:40:39,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-10-13 15:40:39,109 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:40:39,110 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:40:39,110 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 15:40:39,110 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:40:39,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:40:39,111 INFO L82 PathProgramCache]: Analyzing trace with hash -1046156183, now seen corresponding path program 1 times [2020-10-13 15:40:39,111 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:40:39,111 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [13121237] [2020-10-13 15:40:39,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:40:39,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:40:39,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:39,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:39,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:40:39,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 172 [2020-10-13 15:40:39,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 15:40:39,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 236 [2020-10-13 15:40:39,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:40:39,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:40:39,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-13 15:40:39,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-13 15:40:39,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:40:39,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:40:39,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:40:39,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:39,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:40:39,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:40:39,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:40:39,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:40:39,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:40:39,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:40:39,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:40:39,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:40:39,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:40:39,441 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-10-13 15:40:39,442 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [13121237] [2020-10-13 15:40:39,442 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:40:39,442 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 15:40:39,442 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343832296] [2020-10-13 15:40:39,443 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 15:40:39,443 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:40:39,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 15:40:39,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 15:40:39,444 INFO L87 Difference]: Start difference. First operand 509 states and 691 transitions. Second operand 3 states. [2020-10-13 15:40:39,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:40:39,641 INFO L93 Difference]: Finished difference Result 1111 states and 1553 transitions. [2020-10-13 15:40:39,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 15:40:39,642 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 164 [2020-10-13 15:40:39,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:40:39,646 INFO L225 Difference]: With dead ends: 1111 [2020-10-13 15:40:39,646 INFO L226 Difference]: Without dead ends: 615 [2020-10-13 15:40:39,647 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 15:40:39,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 615 states. [2020-10-13 15:40:39,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 615 to 591. [2020-10-13 15:40:39,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 591 states. [2020-10-13 15:40:39,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 789 transitions. [2020-10-13 15:40:39,667 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 789 transitions. Word has length 164 [2020-10-13 15:40:39,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:40:39,668 INFO L479 AbstractCegarLoop]: Abstraction has 591 states and 789 transitions. [2020-10-13 15:40:39,668 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 15:40:39,668 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 789 transitions. [2020-10-13 15:40:39,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-10-13 15:40:39,671 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:40:39,671 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:40:39,671 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 15:40:39,671 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:40:39,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:40:39,672 INFO L82 PathProgramCache]: Analyzing trace with hash -1626224865, now seen corresponding path program 1 times [2020-10-13 15:40:39,672 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:40:39,672 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [654661547] [2020-10-13 15:40:39,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:40:39,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:40:39,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:39,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:39,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:39,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:40,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:40,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:40:40,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 179 [2020-10-13 15:40:40,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 15:40:40,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 798 [2020-10-13 15:40:40,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:40:40,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:40:40,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 100 [2020-10-13 15:40:40,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-13 15:40:40,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:40:40,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:40:40,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:40:40,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:40,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:40:40,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:40:40,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:40:40,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:40:40,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:40:40,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:40:40,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:40:40,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:40:40,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:40:40,550 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2020-10-13 15:40:40,551 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [654661547] [2020-10-13 15:40:40,551 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:40:40,551 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 15:40:40,551 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74688214] [2020-10-13 15:40:40,552 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 15:40:40,552 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:40:40,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 15:40:40,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 15:40:40,553 INFO L87 Difference]: Start difference. First operand 591 states and 789 transitions. Second operand 3 states. [2020-10-13 15:40:40,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:40:40,744 INFO L93 Difference]: Finished difference Result 1239 states and 1687 transitions. [2020-10-13 15:40:40,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 15:40:40,745 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 171 [2020-10-13 15:40:40,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:40:40,749 INFO L225 Difference]: With dead ends: 1239 [2020-10-13 15:40:40,749 INFO L226 Difference]: Without dead ends: 661 [2020-10-13 15:40:40,751 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 15:40:40,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2020-10-13 15:40:40,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 645. [2020-10-13 15:40:40,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 645 states. [2020-10-13 15:40:40,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 853 transitions. [2020-10-13 15:40:40,772 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 853 transitions. Word has length 171 [2020-10-13 15:40:40,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:40:40,772 INFO L479 AbstractCegarLoop]: Abstraction has 645 states and 853 transitions. [2020-10-13 15:40:40,772 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 15:40:40,773 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 853 transitions. [2020-10-13 15:40:40,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-13 15:40:40,775 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:40:40,775 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:40:40,776 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 15:40:40,776 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:40:40,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:40:40,776 INFO L82 PathProgramCache]: Analyzing trace with hash -1367137446, now seen corresponding path program 1 times [2020-10-13 15:40:40,777 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:40:40,777 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [732115866] [2020-10-13 15:40:40,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:40:40,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:40:40,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:40,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:40,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:40,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:41,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:41,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:41,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:40:41,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-13 15:40:41,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 15:40:41,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1085 [2020-10-13 15:40:41,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:40:41,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:40:41,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 102 [2020-10-13 15:40:41,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:40:41,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:40:41,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:40:41,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:40:41,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:41,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:40:41,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:40:41,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:40:41,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:40:41,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:40:41,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:40:41,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:40:41,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:40:41,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:40:41,970 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-10-13 15:40:41,971 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [732115866] [2020-10-13 15:40:41,971 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:40:41,971 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 15:40:41,972 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756570282] [2020-10-13 15:40:41,972 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 15:40:41,972 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:40:41,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 15:40:41,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 15:40:41,973 INFO L87 Difference]: Start difference. First operand 645 states and 853 transitions. Second operand 3 states. [2020-10-13 15:40:42,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:40:42,003 INFO L93 Difference]: Finished difference Result 1240 states and 1638 transitions. [2020-10-13 15:40:42,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 15:40:42,004 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 177 [2020-10-13 15:40:42,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:40:42,009 INFO L225 Difference]: With dead ends: 1240 [2020-10-13 15:40:42,009 INFO L226 Difference]: Without dead ends: 598 [2020-10-13 15:40:42,012 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 15:40:42,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2020-10-13 15:40:42,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 598. [2020-10-13 15:40:42,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 598 states. [2020-10-13 15:40:42,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 774 transitions. [2020-10-13 15:40:42,033 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 774 transitions. Word has length 177 [2020-10-13 15:40:42,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:40:42,034 INFO L479 AbstractCegarLoop]: Abstraction has 598 states and 774 transitions. [2020-10-13 15:40:42,034 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 15:40:42,034 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 774 transitions. [2020-10-13 15:40:42,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-10-13 15:40:42,037 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:40:42,038 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:40:42,038 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 15:40:42,038 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:40:42,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:40:42,039 INFO L82 PathProgramCache]: Analyzing trace with hash 595611755, now seen corresponding path program 1 times [2020-10-13 15:40:42,039 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:40:42,039 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1257042473] [2020-10-13 15:40:42,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:40:42,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:40:42,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:42,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:42,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:42,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:42,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:42,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:40:42,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 202 [2020-10-13 15:40:42,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 15:40:42,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 828 [2020-10-13 15:40:42,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:40:42,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:40:42,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 123 [2020-10-13 15:40:42,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 15:40:42,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:40:42,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:40:42,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:40:42,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:42,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:40:42,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:40:42,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:40:42,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:40:42,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:40:42,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:40:42,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:40:42,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:40:42,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:40:42,977 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 198 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2020-10-13 15:40:42,977 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1257042473] [2020-10-13 15:40:42,978 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:40:42,978 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 15:40:42,978 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847261503] [2020-10-13 15:40:42,979 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 15:40:42,979 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:40:42,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 15:40:42,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 15:40:42,979 INFO L87 Difference]: Start difference. First operand 598 states and 774 transitions. Second operand 3 states. [2020-10-13 15:40:43,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:40:43,131 INFO L93 Difference]: Finished difference Result 1234 states and 1622 transitions. [2020-10-13 15:40:43,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 15:40:43,132 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 194 [2020-10-13 15:40:43,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:40:43,136 INFO L225 Difference]: With dead ends: 1234 [2020-10-13 15:40:43,137 INFO L226 Difference]: Without dead ends: 660 [2020-10-13 15:40:43,138 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 15:40:43,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 660 states. [2020-10-13 15:40:43,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 660 to 656. [2020-10-13 15:40:43,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 656 states. [2020-10-13 15:40:43,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 656 states and 842 transitions. [2020-10-13 15:40:43,158 INFO L78 Accepts]: Start accepts. Automaton has 656 states and 842 transitions. Word has length 194 [2020-10-13 15:40:43,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:40:43,158 INFO L479 AbstractCegarLoop]: Abstraction has 656 states and 842 transitions. [2020-10-13 15:40:43,158 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 15:40:43,159 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 842 transitions. [2020-10-13 15:40:43,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-10-13 15:40:43,162 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:40:43,162 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 4, 4, 3, 3, 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] [2020-10-13 15:40:43,162 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 15:40:43,162 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:40:43,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:40:43,163 INFO L82 PathProgramCache]: Analyzing trace with hash 937860104, now seen corresponding path program 1 times [2020-10-13 15:40:43,163 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:40:43,163 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [609443715] [2020-10-13 15:40:43,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:40:43,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:40:43,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:43,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:43,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:43,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:44,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:44,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:45,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:40:45,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-10-13 15:40:45,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 15:40:45,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2556 [2020-10-13 15:40:45,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:40:45,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:40:45,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-10-13 15:40:45,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-13 15:40:45,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:40:45,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:40:45,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:40:45,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:45,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:40:45,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:40:45,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:40:45,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:40:45,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:40:45,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:40:45,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:40:45,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:40:45,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:40:45,832 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2020-10-13 15:40:45,833 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [609443715] [2020-10-13 15:40:45,833 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:40:45,834 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 15:40:45,834 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353994010] [2020-10-13 15:40:45,834 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 15:40:45,835 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:40:45,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 15:40:45,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 15:40:45,835 INFO L87 Difference]: Start difference. First operand 656 states and 842 transitions. Second operand 3 states. [2020-10-13 15:40:46,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:40:46,007 INFO L93 Difference]: Finished difference Result 1350 states and 1762 transitions. [2020-10-13 15:40:46,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 15:40:46,007 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 199 [2020-10-13 15:40:46,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:40:46,012 INFO L225 Difference]: With dead ends: 1350 [2020-10-13 15:40:46,012 INFO L226 Difference]: Without dead ends: 718 [2020-10-13 15:40:46,014 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 15:40:46,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 718 states. [2020-10-13 15:40:46,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 718 to 718. [2020-10-13 15:40:46,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 718 states. [2020-10-13 15:40:46,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 718 states and 914 transitions. [2020-10-13 15:40:46,038 INFO L78 Accepts]: Start accepts. Automaton has 718 states and 914 transitions. Word has length 199 [2020-10-13 15:40:46,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:40:46,039 INFO L479 AbstractCegarLoop]: Abstraction has 718 states and 914 transitions. [2020-10-13 15:40:46,039 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 15:40:46,040 INFO L276 IsEmpty]: Start isEmpty. Operand 718 states and 914 transitions. [2020-10-13 15:40:46,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2020-10-13 15:40:46,044 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:40:46,045 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 5, 5, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:40:46,045 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 15:40:46,045 INFO L427 AbstractCegarLoop]: === Iteration 12 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:40:46,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:40:46,046 INFO L82 PathProgramCache]: Analyzing trace with hash 1578952483, now seen corresponding path program 1 times [2020-10-13 15:40:46,046 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:40:46,047 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1196873713] [2020-10-13 15:40:46,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:40:46,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:40:46,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:46,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:46,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:46,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:46,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:47,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:48,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:40:48,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 235 [2020-10-13 15:40:48,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 15:40:48,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2843 [2020-10-13 15:40:48,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:40:48,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:40:48,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 193 [2020-10-13 15:40:48,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-13 15:40:48,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:40:48,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:40:48,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:40:48,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:48,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:40:48,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:40:48,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:40:48,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:40:48,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:40:48,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:40:48,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:40:48,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:40:48,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:40:49,054 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2020-10-13 15:40:49,054 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1196873713] [2020-10-13 15:40:49,054 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:40:49,055 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 15:40:49,055 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859190152] [2020-10-13 15:40:49,055 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 15:40:49,055 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:40:49,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 15:40:49,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 15:40:49,056 INFO L87 Difference]: Start difference. First operand 718 states and 914 transitions. Second operand 3 states. [2020-10-13 15:40:49,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:40:49,240 INFO L93 Difference]: Finished difference Result 1498 states and 1952 transitions. [2020-10-13 15:40:49,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 15:40:49,241 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 227 [2020-10-13 15:40:49,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:40:49,245 INFO L225 Difference]: With dead ends: 1498 [2020-10-13 15:40:49,245 INFO L226 Difference]: Without dead ends: 714 [2020-10-13 15:40:49,247 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 15:40:49,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 714 states. [2020-10-13 15:40:49,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 714 to 714. [2020-10-13 15:40:49,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 714 states. [2020-10-13 15:40:49,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 714 states and 906 transitions. [2020-10-13 15:40:49,267 INFO L78 Accepts]: Start accepts. Automaton has 714 states and 906 transitions. Word has length 227 [2020-10-13 15:40:49,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:40:49,268 INFO L479 AbstractCegarLoop]: Abstraction has 714 states and 906 transitions. [2020-10-13 15:40:49,268 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 15:40:49,268 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 906 transitions. [2020-10-13 15:40:49,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2020-10-13 15:40:49,272 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:40:49,272 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:40:49,272 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-13 15:40:49,272 INFO L427 AbstractCegarLoop]: === Iteration 13 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:40:49,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:40:49,273 INFO L82 PathProgramCache]: Analyzing trace with hash -567208800, now seen corresponding path program 1 times [2020-10-13 15:40:49,273 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:40:49,273 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1936635581] [2020-10-13 15:40:49,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:40:49,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:40:49,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:49,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:49,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:49,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:51,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:40:51,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 275 [2020-10-13 15:40:51,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 15:40:51,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1806 [2020-10-13 15:40:51,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:40:51,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:40:51,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-13 15:40:51,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-13 15:40:51,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:40:51,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:40:51,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:40:51,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:51,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:40:51,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:40:51,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:40:51,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:40:51,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:40:51,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:40:51,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:40:51,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:40:51,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:40:51,331 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 438 proven. 0 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2020-10-13 15:40:51,331 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1936635581] [2020-10-13 15:40:51,331 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:40:51,332 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-13 15:40:51,332 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626113977] [2020-10-13 15:40:51,332 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 15:40:51,333 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:40:51,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 15:40:51,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-13 15:40:51,334 INFO L87 Difference]: Start difference. First operand 714 states and 906 transitions. Second operand 5 states. [2020-10-13 15:40:51,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:40:51,633 INFO L93 Difference]: Finished difference Result 4726 states and 6010 transitions. [2020-10-13 15:40:51,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 15:40:51,634 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 267 [2020-10-13 15:40:51,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:40:51,657 INFO L225 Difference]: With dead ends: 4726 [2020-10-13 15:40:51,657 INFO L226 Difference]: Without dead ends: 4036 [2020-10-13 15:40:51,666 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-13 15:40:51,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4036 states. [2020-10-13 15:40:51,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4036 to 1402. [2020-10-13 15:40:51,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1402 states. [2020-10-13 15:40:51,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1402 states to 1402 states and 1781 transitions. [2020-10-13 15:40:51,776 INFO L78 Accepts]: Start accepts. Automaton has 1402 states and 1781 transitions. Word has length 267 [2020-10-13 15:40:51,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:40:51,777 INFO L479 AbstractCegarLoop]: Abstraction has 1402 states and 1781 transitions. [2020-10-13 15:40:51,777 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 15:40:51,777 INFO L276 IsEmpty]: Start isEmpty. Operand 1402 states and 1781 transitions. [2020-10-13 15:40:51,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2020-10-13 15:40:51,782 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:40:51,782 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:40:51,783 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-13 15:40:51,783 INFO L427 AbstractCegarLoop]: === Iteration 14 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:40:51,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:40:51,783 INFO L82 PathProgramCache]: Analyzing trace with hash 114822508, now seen corresponding path program 1 times [2020-10-13 15:40:51,783 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:40:51,784 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1919563460] [2020-10-13 15:40:51,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:40:51,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:40:51,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:51,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:51,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:52,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:40:52,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 276 [2020-10-13 15:40:52,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 15:40:52,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 654 [2020-10-13 15:40:52,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:40:52,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 15:40:52,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-10-13 15:40:52,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-13 15:40:52,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:40:52,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:40:52,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:40:52,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:52,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:40:52,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:40:52,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:40:52,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:40:52,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:40:52,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:40:52,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:40:52,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:40:52,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:40:52,659 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 454 proven. 26 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2020-10-13 15:40:52,659 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1919563460] [2020-10-13 15:40:52,659 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 15:40:52,660 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-10-13 15:40:52,660 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600450351] [2020-10-13 15:40:52,660 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 15:40:52,661 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:40:52,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 15:40:52,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 15:40:52,662 INFO L87 Difference]: Start difference. First operand 1402 states and 1781 transitions. Second operand 4 states. [2020-10-13 15:40:53,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:40:53,081 INFO L93 Difference]: Finished difference Result 4314 states and 5539 transitions. [2020-10-13 15:40:53,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 15:40:53,082 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 268 [2020-10-13 15:40:53,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:40:53,097 INFO L225 Difference]: With dead ends: 4314 [2020-10-13 15:40:53,097 INFO L226 Difference]: Without dead ends: 2936 [2020-10-13 15:40:53,102 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-13 15:40:53,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2936 states. [2020-10-13 15:40:53,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2936 to 1846. [2020-10-13 15:40:53,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1846 states. [2020-10-13 15:40:53,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1846 states to 1846 states and 2381 transitions. [2020-10-13 15:40:53,219 INFO L78 Accepts]: Start accepts. Automaton has 1846 states and 2381 transitions. Word has length 268 [2020-10-13 15:40:53,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:40:53,220 INFO L479 AbstractCegarLoop]: Abstraction has 1846 states and 2381 transitions. [2020-10-13 15:40:53,220 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 15:40:53,220 INFO L276 IsEmpty]: Start isEmpty. Operand 1846 states and 2381 transitions. [2020-10-13 15:40:53,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2020-10-13 15:40:53,226 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:40:53,226 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:40:53,226 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-13 15:40:53,227 INFO L427 AbstractCegarLoop]: === Iteration 15 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:40:53,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:40:53,227 INFO L82 PathProgramCache]: Analyzing trace with hash 767374129, now seen corresponding path program 1 times [2020-10-13 15:40:53,228 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:40:53,228 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [306598604] [2020-10-13 15:40:53,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:40:53,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:40:53,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:53,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:53,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:40:53,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 282 [2020-10-13 15:40:53,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 15:40:53,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 237 [2020-10-13 15:40:53,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:40:53,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:40:53,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 134 [2020-10-13 15:40:53,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-13 15:40:53,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:40:53,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:40:53,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:40:53,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:53,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:40:53,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:40:53,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:40:53,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:40:53,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:40:53,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:40:53,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:40:53,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:40:53,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:40:53,619 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 493 proven. 0 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2020-10-13 15:40:53,620 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [306598604] [2020-10-13 15:40:53,620 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:40:53,620 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 15:40:53,621 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775462848] [2020-10-13 15:40:53,621 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 15:40:53,621 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:40:53,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 15:40:53,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 15:40:53,622 INFO L87 Difference]: Start difference. First operand 1846 states and 2381 transitions. Second operand 3 states. [2020-10-13 15:40:53,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:40:53,772 INFO L93 Difference]: Finished difference Result 5386 states and 6963 transitions. [2020-10-13 15:40:53,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 15:40:53,773 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 274 [2020-10-13 15:40:53,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:40:53,787 INFO L225 Difference]: With dead ends: 5386 [2020-10-13 15:40:53,787 INFO L226 Difference]: Without dead ends: 2696 [2020-10-13 15:40:53,794 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 15:40:53,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2696 states. [2020-10-13 15:40:53,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2696 to 2694. [2020-10-13 15:40:53,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2694 states. [2020-10-13 15:40:53,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2694 states to 2694 states and 3466 transitions. [2020-10-13 15:40:53,938 INFO L78 Accepts]: Start accepts. Automaton has 2694 states and 3466 transitions. Word has length 274 [2020-10-13 15:40:53,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:40:53,938 INFO L479 AbstractCegarLoop]: Abstraction has 2694 states and 3466 transitions. [2020-10-13 15:40:53,938 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 15:40:53,939 INFO L276 IsEmpty]: Start isEmpty. Operand 2694 states and 3466 transitions. [2020-10-13 15:40:53,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2020-10-13 15:40:53,947 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:40:53,947 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 7, 7, 6, 6, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:40:53,947 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-13 15:40:53,948 INFO L427 AbstractCegarLoop]: === Iteration 16 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:40:53,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:40:53,948 INFO L82 PathProgramCache]: Analyzing trace with hash -576611132, now seen corresponding path program 1 times [2020-10-13 15:40:53,949 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:40:53,949 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1758237820] [2020-10-13 15:40:53,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:40:54,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:40:54,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:54,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:54,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:54,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:40:54,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 306 [2020-10-13 15:40:54,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 15:40:54,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 650 [2020-10-13 15:40:54,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:40:54,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:40:54,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 187 [2020-10-13 15:40:54,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 15:40:54,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:40:54,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:40:54,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:40:54,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:54,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:40:54,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:40:54,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:40:54,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:40:54,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:40:54,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:40:54,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:40:54,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:40:54,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:40:54,903 INFO L134 CoverageAnalysis]: Checked inductivity of 869 backedges. 450 proven. 0 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2020-10-13 15:40:54,904 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1758237820] [2020-10-13 15:40:54,904 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:40:54,904 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 15:40:54,904 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748034380] [2020-10-13 15:40:54,905 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 15:40:54,905 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:40:54,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 15:40:54,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 15:40:54,906 INFO L87 Difference]: Start difference. First operand 2694 states and 3466 transitions. Second operand 3 states. [2020-10-13 15:40:55,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:40:55,133 INFO L93 Difference]: Finished difference Result 5622 states and 7286 transitions. [2020-10-13 15:40:55,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 15:40:55,134 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 298 [2020-10-13 15:40:55,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:40:55,149 INFO L225 Difference]: With dead ends: 5622 [2020-10-13 15:40:55,150 INFO L226 Difference]: Without dead ends: 2952 [2020-10-13 15:40:55,157 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 15:40:55,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2952 states. [2020-10-13 15:40:55,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2952 to 2814. [2020-10-13 15:40:55,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2814 states. [2020-10-13 15:40:55,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2814 states to 2814 states and 3616 transitions. [2020-10-13 15:40:55,311 INFO L78 Accepts]: Start accepts. Automaton has 2814 states and 3616 transitions. Word has length 298 [2020-10-13 15:40:55,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:40:55,311 INFO L479 AbstractCegarLoop]: Abstraction has 2814 states and 3616 transitions. [2020-10-13 15:40:55,311 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 15:40:55,312 INFO L276 IsEmpty]: Start isEmpty. Operand 2814 states and 3616 transitions. [2020-10-13 15:40:55,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2020-10-13 15:40:55,317 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:40:55,318 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 7, 7, 6, 6, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:40:55,318 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-13 15:40:55,318 INFO L427 AbstractCegarLoop]: === Iteration 17 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:40:55,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:40:55,319 INFO L82 PathProgramCache]: Analyzing trace with hash -527529389, now seen corresponding path program 1 times [2020-10-13 15:40:55,319 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:40:55,319 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [89747891] [2020-10-13 15:40:55,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:40:55,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:40:55,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:55,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:55,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:55,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:40:55,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 307 [2020-10-13 15:40:55,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 15:40:55,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 454 [2020-10-13 15:40:55,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:40:55,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:40:55,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 188 [2020-10-13 15:40:55,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-13 15:40:55,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:40:55,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:40:55,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:40:55,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:55,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:40:55,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:40:55,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:40:55,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:40:55,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:40:55,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:40:55,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:40:55,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:40:55,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:40:55,940 INFO L134 CoverageAnalysis]: Checked inductivity of 869 backedges. 478 proven. 0 refuted. 0 times theorem prover too weak. 391 trivial. 0 not checked. [2020-10-13 15:40:55,941 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [89747891] [2020-10-13 15:40:55,941 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:40:55,941 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 15:40:55,941 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028180044] [2020-10-13 15:40:55,942 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 15:40:55,942 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:40:55,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 15:40:55,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 15:40:55,943 INFO L87 Difference]: Start difference. First operand 2814 states and 3616 transitions. Second operand 3 states. [2020-10-13 15:40:56,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:40:56,307 INFO L93 Difference]: Finished difference Result 6036 states and 7924 transitions. [2020-10-13 15:40:56,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 15:40:56,307 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 299 [2020-10-13 15:40:56,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:40:56,331 INFO L225 Difference]: With dead ends: 6036 [2020-10-13 15:40:56,331 INFO L226 Difference]: Without dead ends: 3246 [2020-10-13 15:40:56,344 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 15:40:56,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3246 states. [2020-10-13 15:40:56,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3246 to 3222. [2020-10-13 15:40:56,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3222 states. [2020-10-13 15:40:56,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3222 states to 3222 states and 4084 transitions. [2020-10-13 15:40:56,578 INFO L78 Accepts]: Start accepts. Automaton has 3222 states and 4084 transitions. Word has length 299 [2020-10-13 15:40:56,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:40:56,582 INFO L479 AbstractCegarLoop]: Abstraction has 3222 states and 4084 transitions. [2020-10-13 15:40:56,583 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 15:40:56,583 INFO L276 IsEmpty]: Start isEmpty. Operand 3222 states and 4084 transitions. [2020-10-13 15:40:56,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2020-10-13 15:40:56,596 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:40:56,597 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 6, 6, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:40:56,597 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-13 15:40:56,598 INFO L427 AbstractCegarLoop]: === Iteration 18 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:40:56,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:40:56,598 INFO L82 PathProgramCache]: Analyzing trace with hash 1999926956, now seen corresponding path program 1 times [2020-10-13 15:40:56,599 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:40:56,599 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [605864653] [2020-10-13 15:40:56,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:40:56,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:40:56,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:56,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:56,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:57,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:40:57,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 338 [2020-10-13 15:40:57,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 15:40:57,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 657 [2020-10-13 15:40:57,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:40:57,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:40:57,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 219 [2020-10-13 15:40:57,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-13 15:40:57,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:40:57,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:40:57,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:40:57,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:57,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:40:57,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:40:57,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:40:57,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:40:57,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:40:57,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:40:57,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:40:57,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:40:57,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:40:57,554 INFO L134 CoverageAnalysis]: Checked inductivity of 1096 backedges. 569 proven. 0 refuted. 0 times theorem prover too weak. 527 trivial. 0 not checked. [2020-10-13 15:40:57,554 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [605864653] [2020-10-13 15:40:57,555 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:40:57,555 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 15:40:57,565 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997917064] [2020-10-13 15:40:57,570 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 15:40:57,570 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:40:57,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 15:40:57,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 15:40:57,571 INFO L87 Difference]: Start difference. First operand 3222 states and 4084 transitions. Second operand 3 states. [2020-10-13 15:40:57,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:40:57,904 INFO L93 Difference]: Finished difference Result 6876 states and 8908 transitions. [2020-10-13 15:40:57,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 15:40:57,904 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 330 [2020-10-13 15:40:57,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:40:57,923 INFO L225 Difference]: With dead ends: 6876 [2020-10-13 15:40:57,923 INFO L226 Difference]: Without dead ends: 3678 [2020-10-13 15:40:57,932 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 15:40:57,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3678 states. [2020-10-13 15:40:58,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3678 to 3654. [2020-10-13 15:40:58,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3654 states. [2020-10-13 15:40:58,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3654 states to 3654 states and 4576 transitions. [2020-10-13 15:40:58,101 INFO L78 Accepts]: Start accepts. Automaton has 3654 states and 4576 transitions. Word has length 330 [2020-10-13 15:40:58,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:40:58,102 INFO L479 AbstractCegarLoop]: Abstraction has 3654 states and 4576 transitions. [2020-10-13 15:40:58,102 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 15:40:58,102 INFO L276 IsEmpty]: Start isEmpty. Operand 3654 states and 4576 transitions. [2020-10-13 15:40:58,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2020-10-13 15:40:58,111 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:40:58,111 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 9, 9, 8, 8, 7, 7, 7, 7, 6, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:40:58,111 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-13 15:40:58,112 INFO L427 AbstractCegarLoop]: === Iteration 19 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:40:58,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:40:58,112 INFO L82 PathProgramCache]: Analyzing trace with hash 115667256, now seen corresponding path program 1 times [2020-10-13 15:40:58,112 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:40:58,113 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1192040554] [2020-10-13 15:40:58,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:40:58,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:40:58,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:58,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:40:58,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 371 [2020-10-13 15:40:58,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:40:58,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 206 [2020-10-13 15:40:58,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:40:58,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:40:58,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-10-13 15:40:58,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 238 [2020-10-13 15:40:58,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:40:58,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:40:58,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:40:58,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:58,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:40:58,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:40:58,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:40:58,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:40:58,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:40:58,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:40:58,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:40:58,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:40:58,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:40:58,550 INFO L134 CoverageAnalysis]: Checked inductivity of 1358 backedges. 682 proven. 0 refuted. 0 times theorem prover too weak. 676 trivial. 0 not checked. [2020-10-13 15:40:58,551 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1192040554] [2020-10-13 15:40:58,551 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:40:58,551 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 15:40:58,551 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025927438] [2020-10-13 15:40:58,553 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 15:40:58,553 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:40:58,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 15:40:58,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 15:40:58,554 INFO L87 Difference]: Start difference. First operand 3654 states and 4576 transitions. Second operand 3 states. [2020-10-13 15:40:58,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:40:58,726 INFO L93 Difference]: Finished difference Result 8512 states and 10663 transitions. [2020-10-13 15:40:58,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 15:40:58,727 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 363 [2020-10-13 15:40:58,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:40:58,766 INFO L225 Difference]: With dead ends: 8512 [2020-10-13 15:40:58,766 INFO L226 Difference]: Without dead ends: 4882 [2020-10-13 15:40:58,773 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 15:40:58,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4882 states. [2020-10-13 15:40:58,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4882 to 4882. [2020-10-13 15:40:58,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4882 states. [2020-10-13 15:40:59,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4882 states to 4882 states and 6113 transitions. [2020-10-13 15:40:59,010 INFO L78 Accepts]: Start accepts. Automaton has 4882 states and 6113 transitions. Word has length 363 [2020-10-13 15:40:59,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:40:59,010 INFO L479 AbstractCegarLoop]: Abstraction has 4882 states and 6113 transitions. [2020-10-13 15:40:59,010 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 15:40:59,011 INFO L276 IsEmpty]: Start isEmpty. Operand 4882 states and 6113 transitions. [2020-10-13 15:40:59,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2020-10-13 15:40:59,023 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:40:59,024 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 13, 13, 12, 12, 11, 11, 10, 10, 10, 10, 8, 7, 7, 6, 6, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:40:59,024 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-13 15:40:59,024 INFO L427 AbstractCegarLoop]: === Iteration 20 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:40:59,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:40:59,024 INFO L82 PathProgramCache]: Analyzing trace with hash -2131620610, now seen corresponding path program 1 times [2020-10-13 15:40:59,025 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:40:59,025 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1991092061] [2020-10-13 15:40:59,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:40:59,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:40:59,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:59,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:59,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:59,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:40:59,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 481 [2020-10-13 15:40:59,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 15:40:59,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 801 [2020-10-13 15:40:59,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:40:59,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:40:59,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 252 [2020-10-13 15:40:59,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-13 15:40:59,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:40:59,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:40:59,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:40:59,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:40:59,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:40:59,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:40:59,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:40:59,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:40:59,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:40:59,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:40:59,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:40:59,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:40:59,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:41:00,135 INFO L134 CoverageAnalysis]: Checked inductivity of 2331 backedges. 1351 proven. 0 refuted. 0 times theorem prover too weak. 980 trivial. 0 not checked. [2020-10-13 15:41:00,136 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1991092061] [2020-10-13 15:41:00,136 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:41:00,136 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 15:41:00,136 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092949553] [2020-10-13 15:41:00,137 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 15:41:00,137 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:41:00,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 15:41:00,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 15:41:00,138 INFO L87 Difference]: Start difference. First operand 4882 states and 6113 transitions. Second operand 3 states. [2020-10-13 15:41:00,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:41:00,441 INFO L93 Difference]: Finished difference Result 10068 states and 12752 transitions. [2020-10-13 15:41:00,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 15:41:00,441 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 473 [2020-10-13 15:41:00,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:41:00,455 INFO L225 Difference]: With dead ends: 10068 [2020-10-13 15:41:00,455 INFO L226 Difference]: Without dead ends: 4760 [2020-10-13 15:41:00,467 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 15:41:00,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4760 states. [2020-10-13 15:41:00,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4760 to 4040. [2020-10-13 15:41:00,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4040 states. [2020-10-13 15:41:00,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4040 states to 4040 states and 4967 transitions. [2020-10-13 15:41:00,636 INFO L78 Accepts]: Start accepts. Automaton has 4040 states and 4967 transitions. Word has length 473 [2020-10-13 15:41:00,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:41:00,637 INFO L479 AbstractCegarLoop]: Abstraction has 4040 states and 4967 transitions. [2020-10-13 15:41:00,637 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 15:41:00,637 INFO L276 IsEmpty]: Start isEmpty. Operand 4040 states and 4967 transitions. [2020-10-13 15:41:00,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 512 [2020-10-13 15:41:00,654 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:41:00,654 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 14, 14, 13, 13, 12, 12, 11, 11, 11, 11, 9, 8, 8, 7, 7, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:41:00,655 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-13 15:41:00,655 INFO L427 AbstractCegarLoop]: === Iteration 21 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:41:00,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:41:00,655 INFO L82 PathProgramCache]: Analyzing trace with hash 61603052, now seen corresponding path program 1 times [2020-10-13 15:41:00,656 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:41:00,656 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1547905186] [2020-10-13 15:41:00,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:41:00,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:41:00,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:41:01,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:41:01,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 519 [2020-10-13 15:41:01,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:41:01,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 278 [2020-10-13 15:41:01,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:41:01,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 15:41:01,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 371 [2020-10-13 15:41:01,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-13 15:41:01,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:41:01,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:41:01,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:41:01,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:41:01,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:41:01,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:41:01,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:41:01,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:41:01,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:41:01,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:41:01,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:41:01,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:41:01,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:41:01,322 INFO L134 CoverageAnalysis]: Checked inductivity of 2727 backedges. 1308 proven. 26 refuted. 0 times theorem prover too weak. 1393 trivial. 0 not checked. [2020-10-13 15:41:01,322 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1547905186] [2020-10-13 15:41:01,323 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 15:41:01,323 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-10-13 15:41:01,323 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856929519] [2020-10-13 15:41:01,324 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 15:41:01,324 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:41:01,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 15:41:01,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 15:41:01,325 INFO L87 Difference]: Start difference. First operand 4040 states and 4967 transitions. Second operand 4 states. [2020-10-13 15:41:01,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:41:01,598 INFO L93 Difference]: Finished difference Result 5368 states and 6628 transitions. [2020-10-13 15:41:01,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-13 15:41:01,599 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 511 [2020-10-13 15:41:01,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:41:01,601 INFO L225 Difference]: With dead ends: 5368 [2020-10-13 15:41:01,601 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 15:41:01,611 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-13 15:41:01,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 15:41:01,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 15:41:01,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 15:41:01,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 15:41:01,613 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 511 [2020-10-13 15:41:01,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:41:01,613 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 15:41:01,613 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 15:41:01,613 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 15:41:01,613 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 15:41:01,614 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-13 15:41:01,616 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 15:41:02,480 WARN L193 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 121 [2020-10-13 15:41:03,096 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 125 [2020-10-13 15:41:03,236 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 17 [2020-10-13 15:41:03,366 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 17 [2020-10-13 15:41:03,558 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 17 [2020-10-13 15:41:04,447 WARN L193 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 80 [2020-10-13 15:41:04,569 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 14 [2020-10-13 15:41:04,804 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 17 [2020-10-13 15:41:05,230 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 17 [2020-10-13 15:41:05,371 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 17 [2020-10-13 15:41:06,116 WARN L193 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 84 [2020-10-13 15:41:06,220 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 17 [2020-10-13 15:41:06,224 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-10-13 15:41:06,224 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 15:41:06,224 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 15:41:06,224 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-13 15:41:06,224 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 15:41:06,225 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 15:41:06,225 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 610 621) the Hoare annotation is: true [2020-10-13 15:41:06,225 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 610 621) no Hoare annotation was computed. [2020-10-13 15:41:06,225 INFO L264 CegarLoopResult]: At program point L617(line 617) the Hoare annotation is: (and (<= 8464 main_~s~0) (<= main_~s~0 8464)) [2020-10-13 15:41:06,225 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 610 621) no Hoare annotation was computed. [2020-10-13 15:41:06,225 INFO L268 CegarLoopResult]: For program point L617-1(line 617) no Hoare annotation was computed. [2020-10-13 15:41:06,225 INFO L271 CegarLoopResult]: At program point L597(lines 97 598) the Hoare annotation is: true [2020-10-13 15:41:06,226 INFO L268 CegarLoopResult]: For program point L531(lines 531 533) no Hoare annotation was computed. [2020-10-13 15:41:06,226 INFO L268 CegarLoopResult]: For program point L465(lines 465 467) no Hoare annotation was computed. [2020-10-13 15:41:06,226 INFO L268 CegarLoopResult]: For program point L399(lines 399 401) no Hoare annotation was computed. [2020-10-13 15:41:06,227 INFO L268 CegarLoopResult]: For program point L333(lines 333 363) no Hoare annotation was computed. [2020-10-13 15:41:06,227 INFO L264 CegarLoopResult]: At program point L201(lines 197 545) the Hoare annotation is: (or (not (<= 8464 |ssl3_accept_#in~initial_state|)) (not (<= |ssl3_accept_#in~initial_state| 8464)) (and (<= ssl3_accept_~blastFlag~0 3) (<= 8672 ssl3_accept_~s__state~0))) [2020-10-13 15:41:06,228 INFO L264 CegarLoopResult]: At program point L102(lines 101 577) the Hoare annotation is: (or (not (<= 8464 |ssl3_accept_#in~initial_state|)) (not (<= |ssl3_accept_#in~initial_state| 8464)) (<= 8672 ssl3_accept_~s__state~0)) [2020-10-13 15:41:06,228 INFO L268 CegarLoopResult]: For program point L203(lines 203 543) no Hoare annotation was computed. [2020-10-13 15:41:06,228 INFO L268 CegarLoopResult]: For program point L170(lines 170 554) no Hoare annotation was computed. [2020-10-13 15:41:06,228 INFO L268 CegarLoopResult]: For program point L137(lines 137 565) no Hoare annotation was computed. [2020-10-13 15:41:06,228 INFO L268 CegarLoopResult]: For program point L104(lines 104 576) no Hoare annotation was computed. [2020-10-13 15:41:06,228 INFO L268 CegarLoopResult]: For program point L303(lines 303 310) no Hoare annotation was computed. [2020-10-13 15:41:06,228 INFO L268 CegarLoopResult]: For program point L303-2(lines 303 310) no Hoare annotation was computed. [2020-10-13 15:41:06,229 INFO L271 CegarLoopResult]: At program point L204(lines 203 543) the Hoare annotation is: true [2020-10-13 15:41:06,229 INFO L264 CegarLoopResult]: At program point L171(lines 167 555) the Hoare annotation is: (or (not (<= 8464 |ssl3_accept_#in~initial_state|)) (and (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~blastFlag~0 3)) (not (<= |ssl3_accept_#in~initial_state| 8464)) (<= ssl3_accept_~blastFlag~0 2)) [2020-10-13 15:41:06,229 INFO L264 CegarLoopResult]: At program point L138(lines 134 566) the Hoare annotation is: (or (not (<= 8464 |ssl3_accept_#in~initial_state|)) (and (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~blastFlag~0 3)) (not (<= |ssl3_accept_#in~initial_state| 8464)) (<= ssl3_accept_~blastFlag~0 2)) [2020-10-13 15:41:06,229 INFO L268 CegarLoopResult]: For program point L602(lines 602 604) no Hoare annotation was computed. [2020-10-13 15:41:06,229 INFO L268 CegarLoopResult]: For program point L602-2(lines 602 604) no Hoare annotation was computed. [2020-10-13 15:41:06,229 INFO L268 CegarLoopResult]: For program point L503(lines 503 506) no Hoare annotation was computed. [2020-10-13 15:41:06,229 INFO L268 CegarLoopResult]: For program point L338(lines 338 361) no Hoare annotation was computed. [2020-10-13 15:41:06,230 INFO L271 CegarLoopResult]: At program point L206(lines 205 543) the Hoare annotation is: true [2020-10-13 15:41:06,230 INFO L268 CegarLoopResult]: For program point L173(lines 173 553) no Hoare annotation was computed. [2020-10-13 15:41:06,230 INFO L268 CegarLoopResult]: For program point L140(lines 140 564) no Hoare annotation was computed. [2020-10-13 15:41:06,230 INFO L268 CegarLoopResult]: For program point L107(lines 107 575) no Hoare annotation was computed. [2020-10-13 15:41:06,230 INFO L268 CegarLoopResult]: For program point L273(lines 273 275) no Hoare annotation was computed. [2020-10-13 15:41:06,231 INFO L268 CegarLoopResult]: For program point L273-2(lines 207 540) no Hoare annotation was computed. [2020-10-13 15:41:06,231 INFO L268 CegarLoopResult]: For program point L439(lines 439 441) no Hoare annotation was computed. [2020-10-13 15:41:06,232 INFO L268 CegarLoopResult]: For program point L307(lines 307 309) no Hoare annotation was computed. [2020-10-13 15:41:06,232 INFO L271 CegarLoopResult]: At program point ssl3_acceptENTRY(lines 10 609) the Hoare annotation is: true [2020-10-13 15:41:06,232 INFO L268 CegarLoopResult]: For program point L341(lines 341 345) no Hoare annotation was computed. [2020-10-13 15:41:06,232 INFO L268 CegarLoopResult]: For program point L341-2(lines 341 345) no Hoare annotation was computed. [2020-10-13 15:41:06,232 INFO L268 CegarLoopResult]: For program point L242(lines 242 252) no Hoare annotation was computed. [2020-10-13 15:41:06,232 INFO L268 CegarLoopResult]: For program point L176(lines 176 552) no Hoare annotation was computed. [2020-10-13 15:41:06,232 INFO L268 CegarLoopResult]: For program point L143(lines 143 563) no Hoare annotation was computed. [2020-10-13 15:41:06,232 INFO L268 CegarLoopResult]: For program point L110(lines 110 574) no Hoare annotation was computed. [2020-10-13 15:41:06,233 INFO L268 CegarLoopResult]: For program point L474(lines 474 476) no Hoare annotation was computed. [2020-10-13 15:41:06,233 INFO L268 CegarLoopResult]: For program point L474-2(lines 207 540) no Hoare annotation was computed. [2020-10-13 15:41:06,233 INFO L268 CegarLoopResult]: For program point L375(lines 375 407) no Hoare annotation was computed. [2020-10-13 15:41:06,233 INFO L268 CegarLoopResult]: For program point L243(lines 243 246) no Hoare annotation was computed. [2020-10-13 15:41:06,233 INFO L271 CegarLoopResult]: At program point L210(lines 104 576) the Hoare annotation is: true [2020-10-13 15:41:06,233 INFO L264 CegarLoopResult]: At program point L177(lines 173 553) the Hoare annotation is: (or (not (<= 8464 |ssl3_accept_#in~initial_state|)) (not (<= |ssl3_accept_#in~initial_state| 8464)) (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~blastFlag~0 2)) [2020-10-13 15:41:06,233 INFO L264 CegarLoopResult]: At program point L144(lines 140 564) the Hoare annotation is: (or (not (<= 8464 |ssl3_accept_#in~initial_state|)) (and (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~blastFlag~0 3)) (not (<= |ssl3_accept_#in~initial_state| 8464)) (<= ssl3_accept_~blastFlag~0 2)) [2020-10-13 15:41:06,234 INFO L264 CegarLoopResult]: At program point L541(lines 98 596) the Hoare annotation is: (let ((.cse4 (<= 8576 ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse5 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse6 (= ssl3_accept_~s__state~0 8640)) (.cse7 (= ssl3_accept_~s__state~0 8608)) (.cse8 (= ssl3_accept_~s__state~0 8592)) (.cse0 (not (= ssl3_accept_~s__hit~0 0))) (.cse3 (= 8448 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~blastFlag~0 3)) (.cse2 (<= ssl3_accept_~blastFlag~0 2))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse2) (and (<= ssl3_accept_~s__state~0 8576) .cse2 (< 8575 ssl3_accept_~s__state~0) .cse4 .cse5) (not (<= |ssl3_accept_#in~initial_state| 8464)) (and .cse1 (<= 8672 ssl3_accept_~s__state~0)) (and .cse2 (= ssl3_accept_~s__state~0 8656)) (and .cse6 .cse0) (and .cse0 .cse7) (and .cse8 .cse2) (and .cse2 (= 8466 ssl3_accept_~s__state~0)) (and .cse2 (= ssl3_accept_~s__state~0 8544)) (and .cse7 .cse2) (and .cse8 .cse0) (not (<= 8464 |ssl3_accept_#in~initial_state|)) (and .cse2 (= 8496 ssl3_accept_~s__state~0)) (and (= 8560 ssl3_accept_~s__state~0) .cse2) (<= ssl3_accept_~s__state~0 3) (and .cse3 .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 3)) (and (= ssl3_accept_~s__state~0 8512) .cse2) (and (or (let ((.cse9 (+ ssl3_accept_~__cil_tmp56~0 256))) (<= .cse9 (* 4294967296 (div .cse9 4294967296)))) (and (<= ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0 ssl3_accept_~__cil_tmp56~0) (<= ssl3_accept_~__cil_tmp56~0 ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0))) (= ssl3_accept_~s__state~0 8528) .cse2))) [2020-10-13 15:41:06,234 INFO L268 CegarLoopResult]: For program point L442(lines 442 451) no Hoare annotation was computed. [2020-10-13 15:41:06,234 INFO L268 CegarLoopResult]: For program point L376(lines 376 382) no Hoare annotation was computed. [2020-10-13 15:41:06,234 INFO L268 CegarLoopResult]: For program point L179(lines 179 551) no Hoare annotation was computed. [2020-10-13 15:41:06,234 INFO L268 CegarLoopResult]: For program point L146(lines 146 562) no Hoare annotation was computed. [2020-10-13 15:41:06,234 INFO L268 CegarLoopResult]: For program point L113(lines 113 573) no Hoare annotation was computed. [2020-10-13 15:41:06,234 INFO L268 CegarLoopResult]: For program point L81(lines 81 87) no Hoare annotation was computed. [2020-10-13 15:41:06,235 INFO L268 CegarLoopResult]: For program point L511(lines 511 513) no Hoare annotation was computed. [2020-10-13 15:41:06,235 INFO L268 CegarLoopResult]: For program point L578(lines 578 594) no Hoare annotation was computed. [2020-10-13 15:41:06,235 INFO L264 CegarLoopResult]: At program point L512(lines 71 608) the Hoare annotation is: (or (not (<= 8464 |ssl3_accept_#in~initial_state|)) (not (<= |ssl3_accept_#in~initial_state| 8464))) [2020-10-13 15:41:06,235 INFO L268 CegarLoopResult]: For program point L446(lines 446 448) no Hoare annotation was computed. [2020-10-13 15:41:06,235 INFO L268 CegarLoopResult]: For program point L215(lines 215 217) no Hoare annotation was computed. [2020-10-13 15:41:06,235 INFO L268 CegarLoopResult]: For program point L182(lines 182 550) no Hoare annotation was computed. [2020-10-13 15:41:06,236 INFO L268 CegarLoopResult]: For program point L149(lines 149 561) no Hoare annotation was computed. [2020-10-13 15:41:06,236 INFO L268 CegarLoopResult]: For program point L215-2(lines 215 217) no Hoare annotation was computed. [2020-10-13 15:41:06,236 INFO L268 CegarLoopResult]: For program point L116(lines 116 572) no Hoare annotation was computed. [2020-10-13 15:41:06,236 INFO L268 CegarLoopResult]: For program point L579(lines 579 593) no Hoare annotation was computed. [2020-10-13 15:41:06,236 INFO L268 CegarLoopResult]: For program point L480(lines 480 484) no Hoare annotation was computed. [2020-10-13 15:41:06,236 INFO L268 CegarLoopResult]: For program point L480-2(lines 480 484) no Hoare annotation was computed. [2020-10-13 15:41:06,236 INFO L264 CegarLoopResult]: At program point L183(lines 179 551) the Hoare annotation is: (or (not (<= 8464 |ssl3_accept_#in~initial_state|)) (not (<= |ssl3_accept_#in~initial_state| 8464)) (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~blastFlag~0 2)) [2020-10-13 15:41:06,236 INFO L264 CegarLoopResult]: At program point L150(lines 146 562) the Hoare annotation is: (or (not (<= 8464 |ssl3_accept_#in~initial_state|)) (and (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~blastFlag~0 3)) (not (<= |ssl3_accept_#in~initial_state| 8464)) (<= ssl3_accept_~blastFlag~0 2)) [2020-10-13 15:41:06,237 INFO L268 CegarLoopResult]: For program point L84(lines 84 86) no Hoare annotation was computed. [2020-10-13 15:41:06,237 INFO L268 CegarLoopResult]: For program point L84-2(lines 81 87) no Hoare annotation was computed. [2020-10-13 15:41:06,237 INFO L268 CegarLoopResult]: For program point L580(lines 580 585) no Hoare annotation was computed. [2020-10-13 15:41:06,237 INFO L268 CegarLoopResult]: For program point L514(lines 514 516) no Hoare annotation was computed. [2020-10-13 15:41:06,239 INFO L268 CegarLoopResult]: For program point L580-2(lines 579 593) no Hoare annotation was computed. [2020-10-13 15:41:06,239 INFO L268 CegarLoopResult]: For program point L349(lines 349 357) no Hoare annotation was computed. [2020-10-13 15:41:06,240 INFO L264 CegarLoopResult]: At program point L350(lines 326 368) the Hoare annotation is: (or (not (<= 8464 |ssl3_accept_#in~initial_state|)) (and (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~blastFlag~0 3)) (not (<= |ssl3_accept_#in~initial_state| 8464)) (<= ssl3_accept_~blastFlag~0 2)) [2020-10-13 15:41:06,240 INFO L268 CegarLoopResult]: For program point L185(lines 185 549) no Hoare annotation was computed. [2020-10-13 15:41:06,240 INFO L268 CegarLoopResult]: For program point L152(lines 152 560) no Hoare annotation was computed. [2020-10-13 15:41:06,240 INFO L268 CegarLoopResult]: For program point L119(lines 119 571) no Hoare annotation was computed. [2020-10-13 15:41:06,240 INFO L268 CegarLoopResult]: For program point L582(lines 582 584) no Hoare annotation was computed. [2020-10-13 15:41:06,240 INFO L268 CegarLoopResult]: For program point L417(lines 417 419) no Hoare annotation was computed. [2020-10-13 15:41:06,240 INFO L264 CegarLoopResult]: At program point L384(lines 375 407) the Hoare annotation is: (or (not (<= 8464 |ssl3_accept_#in~initial_state|)) (and (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~blastFlag~0 3)) (not (<= |ssl3_accept_#in~initial_state| 8464)) (<= ssl3_accept_~blastFlag~0 2)) [2020-10-13 15:41:06,240 INFO L264 CegarLoopResult]: At program point L120(lines 116 572) the Hoare annotation is: (or (not (<= 8464 |ssl3_accept_#in~initial_state|)) (and (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~blastFlag~0 3)) (not (<= |ssl3_accept_#in~initial_state| 8464))) [2020-10-13 15:41:06,241 INFO L268 CegarLoopResult]: For program point L352(lines 352 354) no Hoare annotation was computed. [2020-10-13 15:41:06,241 INFO L268 CegarLoopResult]: For program point L286(lines 286 288) no Hoare annotation was computed. [2020-10-13 15:41:06,241 INFO L268 CegarLoopResult]: For program point L220(lines 220 222) no Hoare annotation was computed. [2020-10-13 15:41:06,241 INFO L268 CegarLoopResult]: For program point L286-2(lines 207 540) no Hoare annotation was computed. [2020-10-13 15:41:06,241 INFO L268 CegarLoopResult]: For program point L518(lines 518 522) no Hoare annotation was computed. [2020-10-13 15:41:06,241 INFO L268 CegarLoopResult]: For program point L518-2(lines 518 522) no Hoare annotation was computed. [2020-10-13 15:41:06,241 INFO L268 CegarLoopResult]: For program point L320(lines 320 324) no Hoare annotation was computed. [2020-10-13 15:41:06,241 INFO L268 CegarLoopResult]: For program point L320-2(lines 207 540) no Hoare annotation was computed. [2020-10-13 15:41:06,241 INFO L268 CegarLoopResult]: For program point L188(lines 188 548) no Hoare annotation was computed. [2020-10-13 15:41:06,242 INFO L268 CegarLoopResult]: For program point L155(lines 155 559) no Hoare annotation was computed. [2020-10-13 15:41:06,242 INFO L268 CegarLoopResult]: For program point L122(lines 122 570) no Hoare annotation was computed. [2020-10-13 15:41:06,242 INFO L268 CegarLoopResult]: For program point L89(lines 89 93) no Hoare annotation was computed. [2020-10-13 15:41:06,242 INFO L268 CegarLoopResult]: For program point L89-1(lines 71 608) no Hoare annotation was computed. [2020-10-13 15:41:06,242 INFO L268 CegarLoopResult]: For program point ssl3_acceptEXIT(lines 10 609) no Hoare annotation was computed. [2020-10-13 15:41:06,242 INFO L268 CegarLoopResult]: For program point L387(lines 387 405) no Hoare annotation was computed. [2020-10-13 15:41:06,242 INFO L264 CegarLoopResult]: At program point L189(lines 185 549) the Hoare annotation is: (or (not (<= 8464 |ssl3_accept_#in~initial_state|)) (not (<= |ssl3_accept_#in~initial_state| 8464)) (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~blastFlag~0 2)) [2020-10-13 15:41:06,242 INFO L264 CegarLoopResult]: At program point L156(lines 152 560) the Hoare annotation is: (or (not (<= 8464 |ssl3_accept_#in~initial_state|)) (and (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~blastFlag~0 3)) (not (<= |ssl3_accept_#in~initial_state| 8464)) (<= ssl3_accept_~blastFlag~0 2)) [2020-10-13 15:41:06,242 INFO L271 CegarLoopResult]: At program point L123(lines 122 570) the Hoare annotation is: true [2020-10-13 15:41:06,243 INFO L268 CegarLoopResult]: For program point L90(lines 90 92) no Hoare annotation was computed. [2020-10-13 15:41:06,243 INFO L268 CegarLoopResult]: For program point L388(lines 388 394) no Hoare annotation was computed. [2020-10-13 15:41:06,243 INFO L268 CegarLoopResult]: For program point L587(lines 587 591) no Hoare annotation was computed. [2020-10-13 15:41:06,243 INFO L268 CegarLoopResult]: For program point L191(lines 191 547) no Hoare annotation was computed. [2020-10-13 15:41:06,243 INFO L268 CegarLoopResult]: For program point L158(lines 158 558) no Hoare annotation was computed. [2020-10-13 15:41:06,243 INFO L268 CegarLoopResult]: For program point L125(lines 125 569) no Hoare annotation was computed. [2020-10-13 15:41:06,243 INFO L268 CegarLoopResult]: For program point ssl3_acceptFINAL(lines 10 609) no Hoare annotation was computed. [2020-10-13 15:41:06,243 INFO L268 CegarLoopResult]: For program point L456(lines 456 458) no Hoare annotation was computed. [2020-10-13 15:41:06,243 INFO L268 CegarLoopResult]: For program point L258(lines 258 260) no Hoare annotation was computed. [2020-10-13 15:41:06,244 INFO L268 CegarLoopResult]: For program point L225(lines 225 236) no Hoare annotation was computed. [2020-10-13 15:41:06,244 INFO L268 CegarLoopResult]: For program point L225-2(lines 207 540) no Hoare annotation was computed. [2020-10-13 15:41:06,244 INFO L268 CegarLoopResult]: For program point L490(lines 490 493) no Hoare annotation was computed. [2020-10-13 15:41:06,244 INFO L268 CegarLoopResult]: For program point L292(lines 292 296) no Hoare annotation was computed. [2020-10-13 15:41:06,244 INFO L268 CegarLoopResult]: For program point L292-2(lines 292 296) no Hoare annotation was computed. [2020-10-13 15:41:06,244 INFO L268 CegarLoopResult]: For program point L425-1(lines 425 433) no Hoare annotation was computed. [2020-10-13 15:41:06,244 INFO L268 CegarLoopResult]: For program point L227(lines 227 230) no Hoare annotation was computed. [2020-10-13 15:41:06,244 INFO L268 CegarLoopResult]: For program point L194(lines 194 546) no Hoare annotation was computed. [2020-10-13 15:41:06,244 INFO L268 CegarLoopResult]: For program point L161(lines 161 557) no Hoare annotation was computed. [2020-10-13 15:41:06,245 INFO L268 CegarLoopResult]: For program point L128(lines 128 568) no Hoare annotation was computed. [2020-10-13 15:41:06,245 INFO L264 CegarLoopResult]: At program point L195(lines 191 547) the Hoare annotation is: (or (not (<= 8464 |ssl3_accept_#in~initial_state|)) (and (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~blastFlag~0 3)) (not (<= |ssl3_accept_#in~initial_state| 8464)) (<= ssl3_accept_~blastFlag~0 2)) [2020-10-13 15:41:06,245 INFO L264 CegarLoopResult]: At program point L162(lines 158 558) the Hoare annotation is: (or (not (<= 8464 |ssl3_accept_#in~initial_state|)) (and (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~blastFlag~0 3)) (not (<= |ssl3_accept_#in~initial_state| 8464)) (<= ssl3_accept_~blastFlag~0 2)) [2020-10-13 15:41:06,245 INFO L268 CegarLoopResult]: For program point L428(lines 428 431) no Hoare annotation was computed. [2020-10-13 15:41:06,245 INFO L268 CegarLoopResult]: For program point L329(lines 329 367) no Hoare annotation was computed. [2020-10-13 15:41:06,245 INFO L268 CegarLoopResult]: For program point L197(lines 197 545) no Hoare annotation was computed. [2020-10-13 15:41:06,245 INFO L268 CegarLoopResult]: For program point L164(lines 164 556) no Hoare annotation was computed. [2020-10-13 15:41:06,245 INFO L268 CegarLoopResult]: For program point L131(lines 131 567) no Hoare annotation was computed. [2020-10-13 15:41:06,246 INFO L268 CegarLoopResult]: For program point ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION(line 606) no Hoare annotation was computed. [2020-10-13 15:41:06,246 INFO L264 CegarLoopResult]: At program point L98-2(lines 98 596) the Hoare annotation is: (let ((.cse4 (<= 8576 ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse5 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse6 (= ssl3_accept_~s__state~0 8640)) (.cse7 (= ssl3_accept_~s__state~0 8608)) (.cse8 (= ssl3_accept_~s__state~0 8592)) (.cse0 (not (= ssl3_accept_~s__hit~0 0))) (.cse3 (= 8448 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~blastFlag~0 3)) (.cse2 (<= ssl3_accept_~blastFlag~0 2))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse2) (and (<= ssl3_accept_~s__state~0 8576) .cse2 (< 8575 ssl3_accept_~s__state~0) .cse4 .cse5) (not (<= |ssl3_accept_#in~initial_state| 8464)) (and .cse1 (<= 8672 ssl3_accept_~s__state~0)) (and .cse2 (= ssl3_accept_~s__state~0 8656)) (and .cse6 .cse0) (and .cse0 .cse7) (and .cse8 .cse2) (and .cse2 (= 8466 ssl3_accept_~s__state~0)) (and .cse2 (= ssl3_accept_~s__state~0 8544)) (and .cse7 .cse2) (and .cse8 .cse0) (not (<= 8464 |ssl3_accept_#in~initial_state|)) (and .cse2 (= 8496 ssl3_accept_~s__state~0)) (and (= 8560 ssl3_accept_~s__state~0) .cse2) (<= ssl3_accept_~s__state~0 3) (and .cse3 .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 3)) (and .cse2 (<= ssl3_accept_~s__state~0 8464) (< 8463 ssl3_accept_~s__state~0)) (and (= ssl3_accept_~s__state~0 8512) .cse2) (and (or (let ((.cse9 (+ ssl3_accept_~__cil_tmp56~0 256))) (<= .cse9 (* 4294967296 (div .cse9 4294967296)))) (and (<= ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0 ssl3_accept_~__cil_tmp56~0) (<= ssl3_accept_~__cil_tmp56~0 ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0))) (= ssl3_accept_~s__state~0 8528) .cse2))) [2020-10-13 15:41:06,246 INFO L268 CegarLoopResult]: For program point L528(lines 528 534) no Hoare annotation was computed. [2020-10-13 15:41:06,246 INFO L268 CegarLoopResult]: For program point L495(lines 495 497) no Hoare annotation was computed. [2020-10-13 15:41:06,246 INFO L268 CegarLoopResult]: For program point L528-1(lines 528 534) no Hoare annotation was computed. [2020-10-13 15:41:06,246 INFO L268 CegarLoopResult]: For program point L495-2(lines 207 540) no Hoare annotation was computed. [2020-10-13 15:41:06,247 INFO L264 CegarLoopResult]: At program point L396(lines 387 405) the Hoare annotation is: (or (not (<= 8464 |ssl3_accept_#in~initial_state|)) (and (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~blastFlag~0 3)) (not (<= |ssl3_accept_#in~initial_state| 8464)) (<= ssl3_accept_~blastFlag~0 2)) [2020-10-13 15:41:06,247 INFO L268 CegarLoopResult]: For program point L231(lines 231 234) no Hoare annotation was computed. [2020-10-13 15:41:06,247 INFO L264 CegarLoopResult]: At program point L165(lines 164 556) the Hoare annotation is: (let ((.cse0 (= 8448 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~blastFlag~0 3))) (or (not (<= 8464 |ssl3_accept_#in~initial_state|)) (and (<= ssl3_accept_~blastFlag~0 2) .cse0 (<= 8576 ssl3_accept_~s__s3__tmp__next_state___0~0) (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (not (<= |ssl3_accept_#in~initial_state| 8464)) (and (not (= ssl3_accept_~s__hit~0 0)) .cse0 .cse1) (and .cse0 .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 3)))) [2020-10-13 15:41:06,248 INFO L264 CegarLoopResult]: At program point L132(lines 125 569) the Hoare annotation is: (or (not (<= 8464 |ssl3_accept_#in~initial_state|)) (and (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~blastFlag~0 3)) (not (<= |ssl3_accept_#in~initial_state| 8464)) (<= ssl3_accept_~blastFlag~0 2)) [2020-10-13 15:41:06,248 INFO L268 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-13 15:41:06,248 INFO L268 CegarLoopResult]: For program point L332(lines 332 366) no Hoare annotation was computed. [2020-10-13 15:41:06,248 INFO L268 CegarLoopResult]: For program point L332-1(lines 332 366) no Hoare annotation was computed. [2020-10-13 15:41:06,248 INFO L268 CegarLoopResult]: For program point L200(lines 200 544) no Hoare annotation was computed. [2020-10-13 15:41:06,248 INFO L268 CegarLoopResult]: For program point L167(lines 167 555) no Hoare annotation was computed. [2020-10-13 15:41:06,248 INFO L268 CegarLoopResult]: For program point L134(lines 134 566) no Hoare annotation was computed. [2020-10-13 15:41:06,249 INFO L268 CegarLoopResult]: For program point L101(lines 101 577) no Hoare annotation was computed. [2020-10-13 15:41:06,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 03:41:06 BoogieIcfgContainer [2020-10-13 15:41:06,298 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 15:41:06,302 INFO L168 Benchmark]: Toolchain (without parser) took 32605.99 ms. Allocated memory was 147.8 MB in the beginning and 758.1 MB in the end (delta: 610.3 MB). Free memory was 103.6 MB in the beginning and 320.6 MB in the end (delta: -217.0 MB). Peak memory consumption was 640.6 MB. Max. memory is 7.1 GB. [2020-10-13 15:41:06,302 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-13 15:41:06,303 INFO L168 Benchmark]: CACSL2BoogieTranslator took 562.52 ms. Allocated memory was 147.8 MB in the beginning and 206.6 MB in the end (delta: 58.7 MB). Free memory was 103.2 MB in the beginning and 181.5 MB in the end (delta: -78.3 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. [2020-10-13 15:41:06,304 INFO L168 Benchmark]: Boogie Preprocessor took 68.64 ms. Allocated memory is still 206.6 MB. Free memory was 181.5 MB in the beginning and 178.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2020-10-13 15:41:06,304 INFO L168 Benchmark]: RCFGBuilder took 787.07 ms. Allocated memory is still 206.6 MB. Free memory was 178.6 MB in the beginning and 128.5 MB in the end (delta: 50.1 MB). Peak memory consumption was 50.1 MB. Max. memory is 7.1 GB. [2020-10-13 15:41:06,305 INFO L168 Benchmark]: TraceAbstraction took 31182.19 ms. Allocated memory was 206.6 MB in the beginning and 758.1 MB in the end (delta: 551.6 MB). Free memory was 127.9 MB in the beginning and 320.6 MB in the end (delta: -192.8 MB). Peak memory consumption was 606.1 MB. Max. memory is 7.1 GB. [2020-10-13 15:41:06,310 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 147.8 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 562.52 ms. Allocated memory was 147.8 MB in the beginning and 206.6 MB in the end (delta: 58.7 MB). Free memory was 103.2 MB in the beginning and 181.5 MB in the end (delta: -78.3 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 68.64 ms. Allocated memory is still 206.6 MB. Free memory was 181.5 MB in the beginning and 178.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 787.07 ms. Allocated memory is still 206.6 MB. Free memory was 178.6 MB in the beginning and 128.5 MB in the end (delta: 50.1 MB). Peak memory consumption was 50.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 31182.19 ms. Allocated memory was 206.6 MB in the beginning and 758.1 MB in the end (delta: 551.6 MB). Free memory was 127.9 MB in the beginning and 320.6 MB in the end (delta: -192.8 MB). Peak memory consumption was 606.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 606]: 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: 387]: Loop Invariant Derived loop invariant: ((!(8464 <= \old(initial_state)) || (!(s__hit == 0) && blastFlag <= 3)) || !(\old(initial_state) <= 8464)) || blastFlag <= 2 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: ((!(8464 <= \old(initial_state)) || (!(s__hit == 0) && blastFlag <= 3)) || !(\old(initial_state) <= 8464)) || blastFlag <= 2 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: (!(8464 <= \old(initial_state)) || (!(s__hit == 0) && blastFlag <= 3)) || !(\old(initial_state) <= 8464) - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: ((!(8464 <= \old(initial_state)) || (!(s__hit == 0) && blastFlag <= 3)) || !(\old(initial_state) <= 8464)) || blastFlag <= 2 - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: ((!(8464 <= \old(initial_state)) || (!(s__hit == 0) && blastFlag <= 3)) || !(\old(initial_state) <= 8464)) || blastFlag <= 2 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (!(8464 <= \old(initial_state)) || !(\old(initial_state) <= 8464)) || 8672 <= s__state - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: ((!(8464 <= \old(initial_state)) || !(\old(initial_state) <= 8464)) || !(s__hit == 0)) || blastFlag <= 2 - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 98]: Loop Invariant Derived loop invariant: ((((((((((((((((((((!(s__hit == 0) && blastFlag <= 3) || (((blastFlag <= 2 && 8448 == s__state) && 8576 <= s__s3__tmp__next_state___0) && s__s3__tmp__next_state___0 <= 8576)) || (s__state == 8640 && blastFlag <= 2)) || ((((s__state <= 8576 && blastFlag <= 2) && 8575 < s__state) && 8576 <= s__s3__tmp__next_state___0) && s__s3__tmp__next_state___0 <= 8576)) || !(\old(initial_state) <= 8464)) || (blastFlag <= 3 && 8672 <= s__state)) || (blastFlag <= 2 && s__state == 8656)) || (s__state == 8640 && !(s__hit == 0))) || (!(s__hit == 0) && s__state == 8608)) || (s__state == 8592 && blastFlag <= 2)) || (blastFlag <= 2 && 8466 == s__state)) || (blastFlag <= 2 && s__state == 8544)) || (s__state == 8608 && blastFlag <= 2)) || (s__state == 8592 && !(s__hit == 0))) || !(8464 <= \old(initial_state))) || (blastFlag <= 2 && 8496 == s__state)) || (8560 == s__state && blastFlag <= 2)) || s__state <= 3) || ((8448 == s__state && blastFlag <= 3) && s__s3__tmp__next_state___0 <= 3)) || (s__state == 8512 && blastFlag <= 2)) || (((__cil_tmp56 + 256 <= 4294967296 * ((__cil_tmp56 + 256) / 4294967296) || (s__s3__tmp__new_cipher__algorithms <= __cil_tmp56 && __cil_tmp56 <= s__s3__tmp__new_cipher__algorithms)) && s__state == 8528) && blastFlag <= 2) - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: (!(8464 <= \old(initial_state)) || !(\old(initial_state) <= 8464)) || (blastFlag <= 3 && 8672 <= s__state) - InvariantResult [Line: 375]: Loop Invariant Derived loop invariant: ((!(8464 <= \old(initial_state)) || (!(s__hit == 0) && blastFlag <= 3)) || !(\old(initial_state) <= 8464)) || blastFlag <= 2 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: !(8464 <= \old(initial_state)) || !(\old(initial_state) <= 8464) - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: ((!(8464 <= \old(initial_state)) || (!(s__hit == 0) && blastFlag <= 3)) || !(\old(initial_state) <= 8464)) || blastFlag <= 2 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: ((!(8464 <= \old(initial_state)) || !(\old(initial_state) <= 8464)) || !(s__hit == 0)) || blastFlag <= 2 - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: ((!(8464 <= \old(initial_state)) || (!(s__hit == 0) && blastFlag <= 3)) || !(\old(initial_state) <= 8464)) || blastFlag <= 2 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: (((!(8464 <= \old(initial_state)) || (((blastFlag <= 2 && 8448 == s__state) && 8576 <= s__s3__tmp__next_state___0) && s__s3__tmp__next_state___0 <= 8576)) || !(\old(initial_state) <= 8464)) || ((!(s__hit == 0) && 8448 == s__state) && blastFlag <= 3)) || ((8448 == s__state && blastFlag <= 3) && s__s3__tmp__next_state___0 <= 3) - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: ((!(8464 <= \old(initial_state)) || (!(s__hit == 0) && blastFlag <= 3)) || !(\old(initial_state) <= 8464)) || blastFlag <= 2 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: ((!(8464 <= \old(initial_state)) || !(\old(initial_state) <= 8464)) || !(s__hit == 0)) || blastFlag <= 2 - InvariantResult [Line: 326]: Loop Invariant Derived loop invariant: ((!(8464 <= \old(initial_state)) || (!(s__hit == 0) && blastFlag <= 3)) || !(\old(initial_state) <= 8464)) || blastFlag <= 2 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: ((!(8464 <= \old(initial_state)) || (!(s__hit == 0) && blastFlag <= 3)) || !(\old(initial_state) <= 8464)) || blastFlag <= 2 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 98]: Loop Invariant Derived loop invariant: (((((((((((((((((((((!(s__hit == 0) && blastFlag <= 3) || (((blastFlag <= 2 && 8448 == s__state) && 8576 <= s__s3__tmp__next_state___0) && s__s3__tmp__next_state___0 <= 8576)) || (s__state == 8640 && blastFlag <= 2)) || ((((s__state <= 8576 && blastFlag <= 2) && 8575 < s__state) && 8576 <= s__s3__tmp__next_state___0) && s__s3__tmp__next_state___0 <= 8576)) || !(\old(initial_state) <= 8464)) || (blastFlag <= 3 && 8672 <= s__state)) || (blastFlag <= 2 && s__state == 8656)) || (s__state == 8640 && !(s__hit == 0))) || (!(s__hit == 0) && s__state == 8608)) || (s__state == 8592 && blastFlag <= 2)) || (blastFlag <= 2 && 8466 == s__state)) || (blastFlag <= 2 && s__state == 8544)) || (s__state == 8608 && blastFlag <= 2)) || (s__state == 8592 && !(s__hit == 0))) || !(8464 <= \old(initial_state))) || (blastFlag <= 2 && 8496 == s__state)) || (8560 == s__state && blastFlag <= 2)) || s__state <= 3) || ((8448 == s__state && blastFlag <= 3) && s__s3__tmp__next_state___0 <= 3)) || ((blastFlag <= 2 && s__state <= 8464) && 8463 < s__state)) || (s__state == 8512 && blastFlag <= 2)) || (((__cil_tmp56 + 256 <= 4294967296 * ((__cil_tmp56 + 256) / 4294967296) || (s__s3__tmp__new_cipher__algorithms <= __cil_tmp56 && __cil_tmp56 <= s__s3__tmp__new_cipher__algorithms)) && s__state == 8528) && blastFlag <= 2) - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: ((!(8464 <= \old(initial_state)) || (!(s__hit == 0) && blastFlag <= 3)) || !(\old(initial_state) <= 8464)) || blastFlag <= 2 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 149 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 26.4s, OverallIterations: 21, TraceHistogramMax: 16, AutomataDifference: 5.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4494 SDtfs, 2052 SDslu, 4030 SDs, 0 SdLazy, 1999 SolverSat, 347 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 122 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4882occurred in iteration=19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 21 MinimizatonAttempts, 4704 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 277 NumberOfFragments, 750 HoareAnnotationTreeSize, 32 FomulaSimplifications, 36068 FormulaSimplificationTreeSizeReduction, 1.4s HoareSimplificationTime, 32 FomulaSimplificationsInter, 8248 FormulaSimplificationTreeSizeReductionInter, 3.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 17.1s InterpolantComputationTime, 4734 NumberOfCodeBlocks, 4734 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 4713 ConstructedInterpolants, 0 QuantifiedInterpolants, 2065085 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 19 PerfectInterpolantSequences, 13331/13383 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...