/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ssh-simplified/s3_srvr_6.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 10:08:28,344 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 10:08:28,347 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 10:08:28,387 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 10:08:28,387 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 10:08:28,395 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 10:08:28,397 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 10:08:28,401 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 10:08:28,403 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 10:08:28,406 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 10:08:28,407 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 10:08:28,408 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 10:08:28,408 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 10:08:28,411 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 10:08:28,413 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 10:08:28,414 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 10:08:28,415 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 10:08:28,416 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 10:08:28,418 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 10:08:28,425 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 10:08:28,427 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 10:08:28,428 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 10:08:28,429 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 10:08:28,430 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 10:08:28,442 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 10:08:28,442 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 10:08:28,442 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 10:08:28,444 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 10:08:28,445 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 10:08:28,446 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 10:08:28,446 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 10:08:28,448 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 10:08:28,448 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 10:08:28,449 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 10:08:28,450 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 10:08:28,450 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 10:08:28,451 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 10:08:28,451 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 10:08:28,451 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 10:08:28,452 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 10:08:28,454 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 10:08:28,454 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-14 10:08:28,487 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 10:08:28,488 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 10:08:28,489 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 10:08:28,489 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 10:08:28,489 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 10:08:28,489 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 10:08:28,489 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 10:08:28,490 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 10:08:28,490 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 10:08:28,490 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 10:08:28,490 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 10:08:28,490 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 10:08:28,491 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 10:08:28,491 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 10:08:28,491 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 10:08:28,491 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 10:08:28,491 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 10:08:28,492 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 10:08:28,492 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 10:08:28,492 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 10:08:28,492 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 10:08:28,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 10:08:28,493 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 10:08:28,493 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 10:08:28,493 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 10:08:28,493 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 10:08:28,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 10:08:28,493 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 10:08:28,494 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 10:08:28,494 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 10:08:28,787 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 10:08:28,802 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 10:08:28,807 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 10:08:28,808 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 10:08:28,808 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 10:08:28,809 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh-simplified/s3_srvr_6.cil-2.c [2020-10-14 10:08:28,876 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/00e30a1cb/ed8b499ae2a749b2b6207d8fc88633c1/FLAG5b5e87adf [2020-10-14 10:08:29,391 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 10:08:29,393 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ssh-simplified/s3_srvr_6.cil-2.c [2020-10-14 10:08:29,416 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/00e30a1cb/ed8b499ae2a749b2b6207d8fc88633c1/FLAG5b5e87adf [2020-10-14 10:08:29,701 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/00e30a1cb/ed8b499ae2a749b2b6207d8fc88633c1 [2020-10-14 10:08:29,713 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 10:08:29,715 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 10:08:29,720 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 10:08:29,720 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 10:08:29,724 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 10:08:29,725 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:08:29" (1/1) ... [2020-10-14 10:08:29,729 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74ac4efd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:29, skipping insertion in model container [2020-10-14 10:08:29,729 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:08:29" (1/1) ... [2020-10-14 10:08:29,738 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 10:08:29,804 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 10:08:30,310 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 10:08:30,317 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 10:08:30,389 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 10:08:30,404 INFO L208 MainTranslator]: Completed translation [2020-10-14 10:08:30,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:30 WrapperNode [2020-10-14 10:08:30,404 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 10:08:30,405 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 10:08:30,405 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 10:08:30,405 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 10:08:30,417 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:30" (1/1) ... [2020-10-14 10:08:30,418 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:30" (1/1) ... [2020-10-14 10:08:30,429 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:30" (1/1) ... [2020-10-14 10:08:30,429 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:30" (1/1) ... [2020-10-14 10:08:30,442 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:30" (1/1) ... [2020-10-14 10:08:30,458 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:30" (1/1) ... [2020-10-14 10:08:30,462 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:30" (1/1) ... [2020-10-14 10:08:30,466 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 10:08:30,467 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 10:08:30,467 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 10:08:30,467 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 10:08:30,468 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:30" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 10:08:30,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 10:08:30,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 10:08:30,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2020-10-14 10:08:30,540 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 10:08:30,540 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 10:08:30,540 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-14 10:08:30,540 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 10:08:30,540 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-14 10:08:30,541 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2020-10-14 10:08:30,541 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 10:08:30,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 10:08:30,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 10:08:30,745 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-14 10:08:31,309 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2020-10-14 10:08:31,309 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2020-10-14 10:08:31,321 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 10:08:31,321 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 10:08:31,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:08:31 BoogieIcfgContainer [2020-10-14 10:08:31,327 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 10:08:31,328 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 10:08:31,328 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 10:08:31,331 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 10:08:31,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 10:08:29" (1/3) ... [2020-10-14 10:08:31,333 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64285540 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:08:31, skipping insertion in model container [2020-10-14 10:08:31,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:30" (2/3) ... [2020-10-14 10:08:31,333 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64285540 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:08:31, skipping insertion in model container [2020-10-14 10:08:31,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:08:31" (3/3) ... [2020-10-14 10:08:31,335 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_srvr_6.cil-2.c [2020-10-14 10:08:31,347 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 10:08:31,355 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 10:08:31,370 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 10:08:31,397 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 10:08:31,397 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 10:08:31,398 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 10:08:31,398 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 10:08:31,398 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 10:08:31,398 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 10:08:31,398 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 10:08:31,398 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 10:08:31,420 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states. [2020-10-14 10:08:31,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-10-14 10:08:31,430 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:31,432 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] [2020-10-14 10:08:31,432 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:31,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:31,438 INFO L82 PathProgramCache]: Analyzing trace with hash 887093352, now seen corresponding path program 1 times [2020-10-14 10:08:31,444 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:31,444 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1186922470] [2020-10-14 10:08:31,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:31,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:31,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:31,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:32,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:32,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:32,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-14 10:08:32,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 10:08:32,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 505 [2020-10-14 10:08:32,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:32,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:32,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:32,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-14 10:08:32,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-14 10:08:32,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 10:08:32,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:32,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:32,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:32,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:32,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:32,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:32,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:08:32,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:32,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:32,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:32,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:32,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:32,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:32,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 10:08:32,262 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1186922470] [2020-10-14 10:08:32,264 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:32,265 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:32,266 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66116788] [2020-10-14 10:08:32,272 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:32,272 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:32,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:32,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:32,289 INFO L87 Difference]: Start difference. First operand 166 states. Second operand 3 states. [2020-10-14 10:08:32,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:32,527 INFO L93 Difference]: Finished difference Result 465 states and 804 transitions. [2020-10-14 10:08:32,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:32,529 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 49 [2020-10-14 10:08:32,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:32,545 INFO L225 Difference]: With dead ends: 465 [2020-10-14 10:08:32,545 INFO L226 Difference]: Without dead ends: 285 [2020-10-14 10:08:32,550 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:32,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2020-10-14 10:08:32,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 285. [2020-10-14 10:08:32,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 285 states. [2020-10-14 10:08:32,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 431 transitions. [2020-10-14 10:08:32,619 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 431 transitions. Word has length 49 [2020-10-14 10:08:32,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:32,620 INFO L479 AbstractCegarLoop]: Abstraction has 285 states and 431 transitions. [2020-10-14 10:08:32,620 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:32,621 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 431 transitions. [2020-10-14 10:08:32,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-10-14 10:08:32,625 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:32,625 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] [2020-10-14 10:08:32,626 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 10:08:32,626 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:32,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:32,626 INFO L82 PathProgramCache]: Analyzing trace with hash -1349717625, now seen corresponding path program 1 times [2020-10-14 10:08:32,627 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:32,627 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1430518209] [2020-10-14 10:08:32,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:32,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:32,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:32,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:32,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:32,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:32,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 10:08:32,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 10:08:32,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 167 [2020-10-14 10:08:32,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:32,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:32,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:32,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-14 10:08:32,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-14 10:08:32,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:32,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:32,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:32,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:32,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:32,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:32,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:32,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:08:32,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:32,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:32,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:32,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:32,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:32,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 10:08:32,904 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 10:08:32,904 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1430518209] [2020-10-14 10:08:32,905 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:32,905 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:32,905 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514817758] [2020-10-14 10:08:32,907 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:32,907 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:32,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:32,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:32,908 INFO L87 Difference]: Start difference. First operand 285 states and 431 transitions. Second operand 3 states. [2020-10-14 10:08:33,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:33,049 INFO L93 Difference]: Finished difference Result 557 states and 866 transitions. [2020-10-14 10:08:33,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:33,050 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-10-14 10:08:33,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:33,054 INFO L225 Difference]: With dead ends: 557 [2020-10-14 10:08:33,054 INFO L226 Difference]: Without dead ends: 420 [2020-10-14 10:08:33,056 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:33,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2020-10-14 10:08:33,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 420. [2020-10-14 10:08:33,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 420 states. [2020-10-14 10:08:33,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 628 transitions. [2020-10-14 10:08:33,086 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 628 transitions. Word has length 65 [2020-10-14 10:08:33,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:33,086 INFO L479 AbstractCegarLoop]: Abstraction has 420 states and 628 transitions. [2020-10-14 10:08:33,087 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:33,087 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 628 transitions. [2020-10-14 10:08:33,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-10-14 10:08:33,093 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:33,093 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] [2020-10-14 10:08:33,093 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 10:08:33,093 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:33,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:33,094 INFO L82 PathProgramCache]: Analyzing trace with hash -909947593, now seen corresponding path program 1 times [2020-10-14 10:08:33,094 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:33,094 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [42233018] [2020-10-14 10:08:33,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:33,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:33,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:33,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:33,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:33,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-10-14 10:08:33,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 10:08:33,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 141 [2020-10-14 10:08:33,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:33,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:33,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:33,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-10-14 10:08:33,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-14 10:08:33,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:33,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:33,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:33,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:33,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:33,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:33,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:33,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:08:33,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:33,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:33,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:33,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:33,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:33,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:33,314 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-14 10:08:33,315 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [42233018] [2020-10-14 10:08:33,315 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:33,316 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:33,316 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684093757] [2020-10-14 10:08:33,316 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:33,317 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:33,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:33,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:33,317 INFO L87 Difference]: Start difference. First operand 420 states and 628 transitions. Second operand 3 states. [2020-10-14 10:08:33,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:33,459 INFO L93 Difference]: Finished difference Result 827 states and 1260 transitions. [2020-10-14 10:08:33,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:33,460 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 86 [2020-10-14 10:08:33,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:33,464 INFO L225 Difference]: With dead ends: 827 [2020-10-14 10:08:33,464 INFO L226 Difference]: Without dead ends: 555 [2020-10-14 10:08:33,466 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:33,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2020-10-14 10:08:33,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 555. [2020-10-14 10:08:33,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 555 states. [2020-10-14 10:08:33,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 826 transitions. [2020-10-14 10:08:33,546 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 826 transitions. Word has length 86 [2020-10-14 10:08:33,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:33,547 INFO L479 AbstractCegarLoop]: Abstraction has 555 states and 826 transitions. [2020-10-14 10:08:33,547 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:33,547 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 826 transitions. [2020-10-14 10:08:33,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-14 10:08:33,560 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:33,561 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, 1, 1] [2020-10-14 10:08:33,561 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 10:08:33,561 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:33,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:33,562 INFO L82 PathProgramCache]: Analyzing trace with hash 556124719, now seen corresponding path program 1 times [2020-10-14 10:08:33,563 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:33,563 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [175500088] [2020-10-14 10:08:33,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:33,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:33,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:33,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:33,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:33,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:34,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:34,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 10:08:34,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 10:08:34,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 467 [2020-10-14 10:08:34,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:34,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:34,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:34,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-14 10:08:34,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-14 10:08:34,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 10:08:34,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:34,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:34,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:34,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:34,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:34,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:34,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:08:34,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:34,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:34,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:34,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:34,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:34,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:34,163 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-10-14 10:08:34,163 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [175500088] [2020-10-14 10:08:34,164 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:34,164 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:34,164 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208488846] [2020-10-14 10:08:34,165 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:34,165 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:34,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:34,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:34,166 INFO L87 Difference]: Start difference. First operand 555 states and 826 transitions. Second operand 3 states. [2020-10-14 10:08:34,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:34,302 INFO L93 Difference]: Finished difference Result 1097 states and 1656 transitions. [2020-10-14 10:08:34,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:34,303 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 109 [2020-10-14 10:08:34,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:34,307 INFO L225 Difference]: With dead ends: 1097 [2020-10-14 10:08:34,308 INFO L226 Difference]: Without dead ends: 690 [2020-10-14 10:08:34,309 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:34,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 690 states. [2020-10-14 10:08:34,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 690 to 690. [2020-10-14 10:08:34,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 690 states. [2020-10-14 10:08:34,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 690 states and 1025 transitions. [2020-10-14 10:08:34,333 INFO L78 Accepts]: Start accepts. Automaton has 690 states and 1025 transitions. Word has length 109 [2020-10-14 10:08:34,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:34,333 INFO L479 AbstractCegarLoop]: Abstraction has 690 states and 1025 transitions. [2020-10-14 10:08:34,334 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:34,334 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 1025 transitions. [2020-10-14 10:08:34,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-14 10:08:34,336 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:34,337 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:08:34,337 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 10:08:34,337 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:34,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:34,337 INFO L82 PathProgramCache]: Analyzing trace with hash 161436948, now seen corresponding path program 1 times [2020-10-14 10:08:34,338 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:34,338 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1193695599] [2020-10-14 10:08:34,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:34,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:34,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:34,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:34,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:34,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:34,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:34,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-14 10:08:34,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 10:08:34,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 501 [2020-10-14 10:08:34,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:34,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:34,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:34,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 101 [2020-10-14 10:08:34,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-14 10:08:34,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:34,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:34,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:34,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:34,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:34,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:34,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:34,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:08:34,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:34,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:34,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:34,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:34,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:34,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:34,946 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-10-14 10:08:34,946 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1193695599] [2020-10-14 10:08:34,946 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:34,947 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:34,947 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468150555] [2020-10-14 10:08:34,947 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:34,948 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:34,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:34,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:34,948 INFO L87 Difference]: Start difference. First operand 690 states and 1025 transitions. Second operand 3 states. [2020-10-14 10:08:35,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:35,093 INFO L93 Difference]: Finished difference Result 1367 states and 2054 transitions. [2020-10-14 10:08:35,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:35,094 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 136 [2020-10-14 10:08:35,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:35,099 INFO L225 Difference]: With dead ends: 1367 [2020-10-14 10:08:35,100 INFO L226 Difference]: Without dead ends: 825 [2020-10-14 10:08:35,101 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:35,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 825 states. [2020-10-14 10:08:35,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 825 to 825. [2020-10-14 10:08:35,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 825 states. [2020-10-14 10:08:35,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 825 states and 1225 transitions. [2020-10-14 10:08:35,127 INFO L78 Accepts]: Start accepts. Automaton has 825 states and 1225 transitions. Word has length 136 [2020-10-14 10:08:35,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:35,127 INFO L479 AbstractCegarLoop]: Abstraction has 825 states and 1225 transitions. [2020-10-14 10:08:35,127 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:35,128 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 1225 transitions. [2020-10-14 10:08:35,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-10-14 10:08:35,130 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:35,131 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:08:35,131 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 10:08:35,131 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:35,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:35,132 INFO L82 PathProgramCache]: Analyzing trace with hash 1585157155, now seen corresponding path program 1 times [2020-10-14 10:08:35,132 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:35,132 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1201401788] [2020-10-14 10:08:35,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:35,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:35,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:35,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:35,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:35,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:35,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:35,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-10-14 10:08:35,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 10:08:35,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 518 [2020-10-14 10:08:35,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:35,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:35,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:35,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 131 [2020-10-14 10:08:35,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-14 10:08:35,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:35,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:35,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:35,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:35,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:35,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:35,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:35,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:08:35,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:35,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:35,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:35,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:35,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:35,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:35,743 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2020-10-14 10:08:35,743 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1201401788] [2020-10-14 10:08:35,744 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:35,744 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:35,744 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961909680] [2020-10-14 10:08:35,745 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:35,745 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:35,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:35,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:35,746 INFO L87 Difference]: Start difference. First operand 825 states and 1225 transitions. Second operand 3 states. [2020-10-14 10:08:35,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:35,893 INFO L93 Difference]: Finished difference Result 1637 states and 2454 transitions. [2020-10-14 10:08:35,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:35,894 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 165 [2020-10-14 10:08:35,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:35,900 INFO L225 Difference]: With dead ends: 1637 [2020-10-14 10:08:35,900 INFO L226 Difference]: Without dead ends: 960 [2020-10-14 10:08:35,902 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:35,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 960 states. [2020-10-14 10:08:35,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 960 to 960. [2020-10-14 10:08:35,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 960 states. [2020-10-14 10:08:35,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 960 states and 1426 transitions. [2020-10-14 10:08:35,937 INFO L78 Accepts]: Start accepts. Automaton has 960 states and 1426 transitions. Word has length 165 [2020-10-14 10:08:35,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:35,938 INFO L479 AbstractCegarLoop]: Abstraction has 960 states and 1426 transitions. [2020-10-14 10:08:35,938 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:35,938 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states and 1426 transitions. [2020-10-14 10:08:35,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-10-14 10:08:35,942 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:35,943 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:08:35,943 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 10:08:35,943 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:35,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:35,944 INFO L82 PathProgramCache]: Analyzing trace with hash 231459092, now seen corresponding path program 1 times [2020-10-14 10:08:35,944 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:35,944 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [8617777] [2020-10-14 10:08:35,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:35,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:35,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:36,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:36,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:36,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:36,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:36,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:37,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:37,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 204 [2020-10-14 10:08:37,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 10:08:37,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1068 [2020-10-14 10:08:37,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:37,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:37,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:37,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 161 [2020-10-14 10:08:37,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-14 10:08:37,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:37,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:37,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:37,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:37,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:37,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:37,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:37,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:08:37,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:37,096 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:37,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:37,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:37,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:37,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:37,139 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2020-10-14 10:08:37,139 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [8617777] [2020-10-14 10:08:37,140 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:37,140 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:37,140 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454948915] [2020-10-14 10:08:37,140 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:37,141 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:37,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:37,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:37,141 INFO L87 Difference]: Start difference. First operand 960 states and 1426 transitions. Second operand 3 states. [2020-10-14 10:08:37,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:37,291 INFO L93 Difference]: Finished difference Result 1907 states and 2856 transitions. [2020-10-14 10:08:37,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:37,292 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 196 [2020-10-14 10:08:37,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:37,299 INFO L225 Difference]: With dead ends: 1907 [2020-10-14 10:08:37,299 INFO L226 Difference]: Without dead ends: 1095 [2020-10-14 10:08:37,301 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:37,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1095 states. [2020-10-14 10:08:37,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1095 to 1095. [2020-10-14 10:08:37,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1095 states. [2020-10-14 10:08:37,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 1095 states and 1628 transitions. [2020-10-14 10:08:37,335 INFO L78 Accepts]: Start accepts. Automaton has 1095 states and 1628 transitions. Word has length 196 [2020-10-14 10:08:37,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:37,335 INFO L479 AbstractCegarLoop]: Abstraction has 1095 states and 1628 transitions. [2020-10-14 10:08:37,335 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:37,336 INFO L276 IsEmpty]: Start isEmpty. Operand 1095 states and 1628 transitions. [2020-10-14 10:08:37,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2020-10-14 10:08:37,340 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:37,340 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:08:37,340 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 10:08:37,341 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:37,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:37,341 INFO L82 PathProgramCache]: Analyzing trace with hash 1382089470, now seen corresponding path program 1 times [2020-10-14 10:08:37,341 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:37,342 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [753871738] [2020-10-14 10:08:37,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:37,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:37,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:37,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:37,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:37,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:37,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:37,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:38,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:38,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 206 [2020-10-14 10:08:38,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 10:08:38,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 990 [2020-10-14 10:08:38,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:38,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:38,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:38,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 164 [2020-10-14 10:08:38,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-14 10:08:38,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:38,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:38,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:38,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:38,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:38,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:38,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:38,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:08:38,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:38,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:38,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:38,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:38,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:38,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:38,437 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2020-10-14 10:08:38,437 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [753871738] [2020-10-14 10:08:38,437 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:38,438 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:38,438 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244073474] [2020-10-14 10:08:38,438 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:38,439 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:38,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:38,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:38,439 INFO L87 Difference]: Start difference. First operand 1095 states and 1628 transitions. Second operand 3 states. [2020-10-14 10:08:38,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:38,588 INFO L93 Difference]: Finished difference Result 2177 states and 3260 transitions. [2020-10-14 10:08:38,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:38,589 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 198 [2020-10-14 10:08:38,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:38,597 INFO L225 Difference]: With dead ends: 2177 [2020-10-14 10:08:38,597 INFO L226 Difference]: Without dead ends: 1230 [2020-10-14 10:08:38,600 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:38,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1230 states. [2020-10-14 10:08:38,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1230 to 1230. [2020-10-14 10:08:38,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1230 states. [2020-10-14 10:08:38,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1230 states to 1230 states and 1831 transitions. [2020-10-14 10:08:38,641 INFO L78 Accepts]: Start accepts. Automaton has 1230 states and 1831 transitions. Word has length 198 [2020-10-14 10:08:38,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:38,641 INFO L479 AbstractCegarLoop]: Abstraction has 1230 states and 1831 transitions. [2020-10-14 10:08:38,642 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:38,642 INFO L276 IsEmpty]: Start isEmpty. Operand 1230 states and 1831 transitions. [2020-10-14 10:08:38,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-10-14 10:08:38,647 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:38,647 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, 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] [2020-10-14 10:08:38,648 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 10:08:38,648 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:38,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:38,648 INFO L82 PathProgramCache]: Analyzing trace with hash -1221766234, now seen corresponding path program 1 times [2020-10-14 10:08:38,649 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:38,649 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1227892375] [2020-10-14 10:08:38,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:38,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:38,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:38,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:38,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:39,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:39,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:39,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:39,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:39,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 238 [2020-10-14 10:08:39,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 10:08:39,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1245 [2020-10-14 10:08:39,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:39,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:39,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:39,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 196 [2020-10-14 10:08:39,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-14 10:08:39,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:39,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:39,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:39,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:39,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:39,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:39,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:39,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:08:39,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:39,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:39,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:39,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:39,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:40,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:40,040 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 349 trivial. 0 not checked. [2020-10-14 10:08:40,040 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1227892375] [2020-10-14 10:08:40,040 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:40,041 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:40,041 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168175340] [2020-10-14 10:08:40,041 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:40,042 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:40,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:40,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:40,042 INFO L87 Difference]: Start difference. First operand 1230 states and 1831 transitions. Second operand 3 states. [2020-10-14 10:08:40,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:40,196 INFO L93 Difference]: Finished difference Result 2447 states and 3666 transitions. [2020-10-14 10:08:40,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:40,196 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 230 [2020-10-14 10:08:40,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:40,205 INFO L225 Difference]: With dead ends: 2447 [2020-10-14 10:08:40,205 INFO L226 Difference]: Without dead ends: 1365 [2020-10-14 10:08:40,208 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:40,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1365 states. [2020-10-14 10:08:40,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1365 to 1365. [2020-10-14 10:08:40,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1365 states. [2020-10-14 10:08:40,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1365 states to 1365 states and 2035 transitions. [2020-10-14 10:08:40,253 INFO L78 Accepts]: Start accepts. Automaton has 1365 states and 2035 transitions. Word has length 230 [2020-10-14 10:08:40,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:40,254 INFO L479 AbstractCegarLoop]: Abstraction has 1365 states and 2035 transitions. [2020-10-14 10:08:40,254 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:40,254 INFO L276 IsEmpty]: Start isEmpty. Operand 1365 states and 2035 transitions. [2020-10-14 10:08:40,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2020-10-14 10:08:40,261 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:40,261 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, 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] [2020-10-14 10:08:40,261 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 10:08:40,261 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:40,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:40,262 INFO L82 PathProgramCache]: Analyzing trace with hash 1130754422, now seen corresponding path program 1 times [2020-10-14 10:08:40,262 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:40,263 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1752133911] [2020-10-14 10:08:40,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:40,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:40,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:40,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:40,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:40,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:40,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:41,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:41,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 272 [2020-10-14 10:08:41,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 10:08:41,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 753 [2020-10-14 10:08:41,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:41,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:41,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:41,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 230 [2020-10-14 10:08:41,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-14 10:08:41,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:41,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:41,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:41,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:41,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:41,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:41,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:41,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:08:41,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:41,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:41,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:41,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:41,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:41,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:41,146 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 492 trivial. 0 not checked. [2020-10-14 10:08:41,146 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1752133911] [2020-10-14 10:08:41,146 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:41,147 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:41,147 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166551845] [2020-10-14 10:08:41,148 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:41,148 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:41,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:41,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:41,148 INFO L87 Difference]: Start difference. First operand 1365 states and 2035 transitions. Second operand 3 states. [2020-10-14 10:08:41,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:41,302 INFO L93 Difference]: Finished difference Result 2717 states and 4074 transitions. [2020-10-14 10:08:41,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:41,302 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 264 [2020-10-14 10:08:41,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:41,311 INFO L225 Difference]: With dead ends: 2717 [2020-10-14 10:08:41,311 INFO L226 Difference]: Without dead ends: 1500 [2020-10-14 10:08:41,314 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:41,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1500 states. [2020-10-14 10:08:41,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1500 to 1500. [2020-10-14 10:08:41,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1500 states. [2020-10-14 10:08:41,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1500 states to 1500 states and 2240 transitions. [2020-10-14 10:08:41,373 INFO L78 Accepts]: Start accepts. Automaton has 1500 states and 2240 transitions. Word has length 264 [2020-10-14 10:08:41,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:41,374 INFO L479 AbstractCegarLoop]: Abstraction has 1500 states and 2240 transitions. [2020-10-14 10:08:41,375 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:41,375 INFO L276 IsEmpty]: Start isEmpty. Operand 1500 states and 2240 transitions. [2020-10-14 10:08:41,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2020-10-14 10:08:41,387 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:41,388 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, 5, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:08:41,388 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 10:08:41,388 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:41,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:41,389 INFO L82 PathProgramCache]: Analyzing trace with hash 618273350, now seen corresponding path program 1 times [2020-10-14 10:08:41,389 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:41,390 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [364087555] [2020-10-14 10:08:41,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:41,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:41,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:41,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:41,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:42,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:42,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:43,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:43,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 310 [2020-10-14 10:08:43,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 10:08:43,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1616 [2020-10-14 10:08:43,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:43,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:43,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:43,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 266 [2020-10-14 10:08:43,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-14 10:08:43,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:43,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:43,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:43,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:43,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:43,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:43,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:43,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:08:43,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:43,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:43,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:43,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:43,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:43,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:43,186 INFO L134 CoverageAnalysis]: Checked inductivity of 875 backedges. 209 proven. 0 refuted. 0 times theorem prover too weak. 666 trivial. 0 not checked. [2020-10-14 10:08:43,186 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [364087555] [2020-10-14 10:08:43,187 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:43,187 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:43,187 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999482538] [2020-10-14 10:08:43,188 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:43,188 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:43,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:43,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:43,188 INFO L87 Difference]: Start difference. First operand 1500 states and 2240 transitions. Second operand 3 states. [2020-10-14 10:08:43,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:43,369 INFO L93 Difference]: Finished difference Result 2987 states and 4484 transitions. [2020-10-14 10:08:43,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:43,370 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 302 [2020-10-14 10:08:43,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:43,379 INFO L225 Difference]: With dead ends: 2987 [2020-10-14 10:08:43,379 INFO L226 Difference]: Without dead ends: 1635 [2020-10-14 10:08:43,382 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:43,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1635 states. [2020-10-14 10:08:43,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1635 to 1635. [2020-10-14 10:08:43,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1635 states. [2020-10-14 10:08:43,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1635 states to 1635 states and 2446 transitions. [2020-10-14 10:08:43,435 INFO L78 Accepts]: Start accepts. Automaton has 1635 states and 2446 transitions. Word has length 302 [2020-10-14 10:08:43,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:43,436 INFO L479 AbstractCegarLoop]: Abstraction has 1635 states and 2446 transitions. [2020-10-14 10:08:43,436 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:43,436 INFO L276 IsEmpty]: Start isEmpty. Operand 1635 states and 2446 transitions. [2020-10-14 10:08:43,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2020-10-14 10:08:43,444 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:43,444 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, 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, 1, 1, 1, 1] [2020-10-14 10:08:43,444 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 10:08:43,444 INFO L427 AbstractCegarLoop]: === Iteration 12 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:43,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:43,445 INFO L82 PathProgramCache]: Analyzing trace with hash 1075046465, now seen corresponding path program 1 times [2020-10-14 10:08:43,445 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:43,445 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2112908206] [2020-10-14 10:08:43,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:43,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:43,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:43,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:43,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:43,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:44,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:44,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:45,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:45,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 350 [2020-10-14 10:08:45,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 10:08:45,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2078 [2020-10-14 10:08:45,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:45,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:45,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:45,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 307 [2020-10-14 10:08:45,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-14 10:08:45,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:45,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:45,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:45,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:45,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:45,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:45,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:45,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:08:45,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:45,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:45,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:45,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:45,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:45,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:45,701 INFO L134 CoverageAnalysis]: Checked inductivity of 1115 backedges. 242 proven. 0 refuted. 0 times theorem prover too weak. 873 trivial. 0 not checked. [2020-10-14 10:08:45,701 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2112908206] [2020-10-14 10:08:45,702 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:45,702 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:45,702 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408221953] [2020-10-14 10:08:45,703 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:45,703 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:45,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:45,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:45,704 INFO L87 Difference]: Start difference. First operand 1635 states and 2446 transitions. Second operand 3 states. [2020-10-14 10:08:45,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:45,865 INFO L93 Difference]: Finished difference Result 3257 states and 4896 transitions. [2020-10-14 10:08:45,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:45,866 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 342 [2020-10-14 10:08:45,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:45,876 INFO L225 Difference]: With dead ends: 3257 [2020-10-14 10:08:45,876 INFO L226 Difference]: Without dead ends: 1770 [2020-10-14 10:08:45,880 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:45,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1770 states. [2020-10-14 10:08:45,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1770 to 1770. [2020-10-14 10:08:45,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1770 states. [2020-10-14 10:08:45,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1770 states to 1770 states and 2653 transitions. [2020-10-14 10:08:45,976 INFO L78 Accepts]: Start accepts. Automaton has 1770 states and 2653 transitions. Word has length 342 [2020-10-14 10:08:45,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:45,977 INFO L479 AbstractCegarLoop]: Abstraction has 1770 states and 2653 transitions. [2020-10-14 10:08:45,977 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:45,977 INFO L276 IsEmpty]: Start isEmpty. Operand 1770 states and 2653 transitions. [2020-10-14 10:08:45,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2020-10-14 10:08:45,988 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:45,989 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, 7, 6, 6, 5, 5, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:08:45,989 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 10:08:45,990 INFO L427 AbstractCegarLoop]: === Iteration 13 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:45,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:45,990 INFO L82 PathProgramCache]: Analyzing trace with hash 1763383278, now seen corresponding path program 1 times [2020-10-14 10:08:45,990 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:45,991 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1631977597] [2020-10-14 10:08:45,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:46,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:46,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:46,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:46,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:46,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:46,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:46,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:46,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:47,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:47,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:47,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:48,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:48,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 392 [2020-10-14 10:08:48,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-14 10:08:48,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2643 [2020-10-14 10:08:48,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:48,671 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:48,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:48,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-14 10:08:48,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 299 [2020-10-14 10:08:48,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:48,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:48,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:48,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:48,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:48,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:48,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:48,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:08:48,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:48,746 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:48,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:48,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:48,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:48,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:48,946 INFO L134 CoverageAnalysis]: Checked inductivity of 1390 backedges. 518 proven. 0 refuted. 0 times theorem prover too weak. 872 trivial. 0 not checked. [2020-10-14 10:08:48,946 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1631977597] [2020-10-14 10:08:48,946 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:48,947 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:48,947 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932483001] [2020-10-14 10:08:48,947 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:48,948 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:48,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:48,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:48,949 INFO L87 Difference]: Start difference. First operand 1770 states and 2653 transitions. Second operand 3 states. [2020-10-14 10:08:49,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:49,058 INFO L93 Difference]: Finished difference Result 5284 states and 7925 transitions. [2020-10-14 10:08:49,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:49,058 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 384 [2020-10-14 10:08:49,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:49,076 INFO L225 Difference]: With dead ends: 5284 [2020-10-14 10:08:49,076 INFO L226 Difference]: Without dead ends: 3527 [2020-10-14 10:08:49,085 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:49,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3527 states. [2020-10-14 10:08:49,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3527 to 3525. [2020-10-14 10:08:49,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3525 states. [2020-10-14 10:08:49,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3525 states to 3525 states and 5249 transitions. [2020-10-14 10:08:49,202 INFO L78 Accepts]: Start accepts. Automaton has 3525 states and 5249 transitions. Word has length 384 [2020-10-14 10:08:49,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:49,202 INFO L479 AbstractCegarLoop]: Abstraction has 3525 states and 5249 transitions. [2020-10-14 10:08:49,202 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:49,203 INFO L276 IsEmpty]: Start isEmpty. Operand 3525 states and 5249 transitions. [2020-10-14 10:08:49,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2020-10-14 10:08:49,216 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:49,216 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, 7, 6, 6, 5, 5, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:08:49,216 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 10:08:49,217 INFO L427 AbstractCegarLoop]: === Iteration 14 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:49,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:49,217 INFO L82 PathProgramCache]: Analyzing trace with hash 1515236784, now seen corresponding path program 1 times [2020-10-14 10:08:49,217 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:49,218 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [218735598] [2020-10-14 10:08:49,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:49,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:49,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:49,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:49,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:49,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:49,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:49,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:50,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:50,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:51,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:51,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 392 [2020-10-14 10:08:51,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-14 10:08:51,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2274 [2020-10-14 10:08:51,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:51,528 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:51,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:51,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 348 [2020-10-14 10:08:51,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-14 10:08:51,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:51,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:51,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:51,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:51,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:51,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:51,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:51,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:08:51,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:51,602 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:51,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:51,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:51,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:51,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:51,753 INFO L134 CoverageAnalysis]: Checked inductivity of 1390 backedges. 275 proven. 0 refuted. 0 times theorem prover too weak. 1115 trivial. 0 not checked. [2020-10-14 10:08:51,753 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [218735598] [2020-10-14 10:08:51,753 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:51,754 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:51,754 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882393024] [2020-10-14 10:08:51,754 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:51,755 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:51,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:51,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:51,755 INFO L87 Difference]: Start difference. First operand 3525 states and 5249 transitions. Second operand 3 states. [2020-10-14 10:08:51,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:51,966 INFO L93 Difference]: Finished difference Result 7037 states and 10523 transitions. [2020-10-14 10:08:51,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:51,967 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 384 [2020-10-14 10:08:51,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:51,988 INFO L225 Difference]: With dead ends: 7037 [2020-10-14 10:08:51,988 INFO L226 Difference]: Without dead ends: 3795 [2020-10-14 10:08:51,996 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:52,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3795 states. [2020-10-14 10:08:52,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3795 to 3795. [2020-10-14 10:08:52,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3795 states. [2020-10-14 10:08:52,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3795 states to 3795 states and 5662 transitions. [2020-10-14 10:08:52,125 INFO L78 Accepts]: Start accepts. Automaton has 3795 states and 5662 transitions. Word has length 384 [2020-10-14 10:08:52,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:52,126 INFO L479 AbstractCegarLoop]: Abstraction has 3795 states and 5662 transitions. [2020-10-14 10:08:52,126 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:52,126 INFO L276 IsEmpty]: Start isEmpty. Operand 3795 states and 5662 transitions. [2020-10-14 10:08:52,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2020-10-14 10:08:52,145 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:52,146 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 10, 10, 9, 9, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:08:52,146 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 10:08:52,146 INFO L427 AbstractCegarLoop]: === Iteration 15 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:52,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:52,147 INFO L82 PathProgramCache]: Analyzing trace with hash 675939024, now seen corresponding path program 1 times [2020-10-14 10:08:52,147 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:52,147 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1259881055] [2020-10-14 10:08:52,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:52,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:52,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:52,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:52,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:52,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:52,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:52,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:53,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:53,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:56,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:56,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 431 [2020-10-14 10:08:56,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-14 10:08:56,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3924 [2020-10-14 10:08:56,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:56,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:56,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:56,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 387 [2020-10-14 10:08:56,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-14 10:08:56,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:08:56,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:56,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:56,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:56,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:56,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:56,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:56,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:08:56,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:56,191 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:56,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:56,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:56,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:56,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:08:56,288 INFO L134 CoverageAnalysis]: Checked inductivity of 1704 backedges. 314 proven. 0 refuted. 0 times theorem prover too weak. 1390 trivial. 0 not checked. [2020-10-14 10:08:56,289 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1259881055] [2020-10-14 10:08:56,289 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:56,289 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:56,289 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164135624] [2020-10-14 10:08:56,290 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:56,290 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:56,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:56,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:56,291 INFO L87 Difference]: Start difference. First operand 3795 states and 5662 transitions. Second operand 3 states. [2020-10-14 10:08:56,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:56,509 INFO L93 Difference]: Finished difference Result 7577 states and 11349 transitions. [2020-10-14 10:08:56,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:56,510 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 423 [2020-10-14 10:08:56,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:56,532 INFO L225 Difference]: With dead ends: 7577 [2020-10-14 10:08:56,532 INFO L226 Difference]: Without dead ends: 4065 [2020-10-14 10:08:56,544 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:56,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4065 states. [2020-10-14 10:08:56,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4065 to 4065. [2020-10-14 10:08:56,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4065 states. [2020-10-14 10:08:56,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4065 states to 4065 states and 6077 transitions. [2020-10-14 10:08:56,722 INFO L78 Accepts]: Start accepts. Automaton has 4065 states and 6077 transitions. Word has length 423 [2020-10-14 10:08:56,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:56,724 INFO L479 AbstractCegarLoop]: Abstraction has 4065 states and 6077 transitions. [2020-10-14 10:08:56,724 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:56,724 INFO L276 IsEmpty]: Start isEmpty. Operand 4065 states and 6077 transitions. [2020-10-14 10:08:56,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 465 [2020-10-14 10:08:56,753 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:56,753 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 12, 12, 11, 11, 10, 10, 9, 9, 9, 9, 9, 8, 8, 7, 7, 6, 6, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:08:56,754 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-14 10:08:56,754 INFO L427 AbstractCegarLoop]: === Iteration 16 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:56,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:56,755 INFO L82 PathProgramCache]: Analyzing trace with hash -1135882910, now seen corresponding path program 1 times [2020-10-14 10:08:56,755 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:56,756 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [319834875] [2020-10-14 10:08:56,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:56,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:56,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:56,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:57,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:57,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:57,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:57,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:58,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:58,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:58,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:01,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:01,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 472 [2020-10-14 10:09:01,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-14 10:09:01,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4888 [2020-10-14 10:09:01,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:01,773 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:01,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:09:01,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 429 [2020-10-14 10:09:01,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-14 10:09:01,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:09:01,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:09:01,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:01,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:01,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:01,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:09:01,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:09:01,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:09:01,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:01,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:01,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:09:01,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:09:01,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:09:01,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:09:02,100 INFO L134 CoverageAnalysis]: Checked inductivity of 2052 backedges. 346 proven. 0 refuted. 0 times theorem prover too weak. 1706 trivial. 0 not checked. [2020-10-14 10:09:02,101 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [319834875] [2020-10-14 10:09:02,101 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:09:02,102 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:09:02,102 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935112960] [2020-10-14 10:09:02,103 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:09:02,103 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:09:02,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:09:02,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:09:02,103 INFO L87 Difference]: Start difference. First operand 4065 states and 6077 transitions. Second operand 3 states. [2020-10-14 10:09:02,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:09:02,327 INFO L93 Difference]: Finished difference Result 8117 states and 12179 transitions. [2020-10-14 10:09:02,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:09:02,328 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 464 [2020-10-14 10:09:02,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:09:02,351 INFO L225 Difference]: With dead ends: 8117 [2020-10-14 10:09:02,351 INFO L226 Difference]: Without dead ends: 4335 [2020-10-14 10:09:02,360 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:09:02,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4335 states. [2020-10-14 10:09:02,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4335 to 4335. [2020-10-14 10:09:02,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4335 states. [2020-10-14 10:09:02,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4335 states to 4335 states and 6494 transitions. [2020-10-14 10:09:02,487 INFO L78 Accepts]: Start accepts. Automaton has 4335 states and 6494 transitions. Word has length 464 [2020-10-14 10:09:02,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:09:02,488 INFO L479 AbstractCegarLoop]: Abstraction has 4335 states and 6494 transitions. [2020-10-14 10:09:02,488 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:09:02,489 INFO L276 IsEmpty]: Start isEmpty. Operand 4335 states and 6494 transitions. [2020-10-14 10:09:02,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 508 [2020-10-14 10:09:02,509 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:09:02,510 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, 10, 9, 9, 8, 8, 7, 7, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:09:02,510 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-14 10:09:02,511 INFO L427 AbstractCegarLoop]: === Iteration 17 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:09:02,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:09:02,511 INFO L82 PathProgramCache]: Analyzing trace with hash -1131255677, now seen corresponding path program 1 times [2020-10-14 10:09:02,511 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:09:02,512 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1609481054] [2020-10-14 10:09:02,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:09:02,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:02,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:02,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:02,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:02,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:02,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:02,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:03,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:04,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:04,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:04,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:04,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:07,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:07,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 515 [2020-10-14 10:09:07,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-14 10:09:07,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-10-14 10:09:07,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:07,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:07,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:09:07,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 471 [2020-10-14 10:09:07,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-14 10:09:07,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:09:07,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:09:07,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:07,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:07,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:07,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:09:07,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:09:07,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:09:07,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:07,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:07,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:09:07,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:09:07,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:09:07,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:09:07,814 INFO L134 CoverageAnalysis]: Checked inductivity of 2437 backedges. 380 proven. 0 refuted. 0 times theorem prover too weak. 2057 trivial. 0 not checked. [2020-10-14 10:09:07,814 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1609481054] [2020-10-14 10:09:07,815 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:09:07,815 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:09:07,815 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017408840] [2020-10-14 10:09:07,816 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:09:07,816 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:09:07,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:09:07,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:09:07,817 INFO L87 Difference]: Start difference. First operand 4335 states and 6494 transitions. Second operand 3 states. [2020-10-14 10:09:08,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:09:08,005 INFO L93 Difference]: Finished difference Result 8657 states and 13013 transitions. [2020-10-14 10:09:08,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:09:08,006 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 507 [2020-10-14 10:09:08,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:09:08,027 INFO L225 Difference]: With dead ends: 8657 [2020-10-14 10:09:08,027 INFO L226 Difference]: Without dead ends: 4605 [2020-10-14 10:09:08,036 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:09:08,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4605 states. [2020-10-14 10:09:08,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4605 to 4605. [2020-10-14 10:09:08,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4605 states. [2020-10-14 10:09:08,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4605 states to 4605 states and 6913 transitions. [2020-10-14 10:09:08,144 INFO L78 Accepts]: Start accepts. Automaton has 4605 states and 6913 transitions. Word has length 507 [2020-10-14 10:09:08,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:09:08,151 INFO L479 AbstractCegarLoop]: Abstraction has 4605 states and 6913 transitions. [2020-10-14 10:09:08,151 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:09:08,151 INFO L276 IsEmpty]: Start isEmpty. Operand 4605 states and 6913 transitions. [2020-10-14 10:09:08,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 548 [2020-10-14 10:09:08,164 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:09:08,164 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, 11, 10, 10, 9, 9, 8, 8, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:09:08,164 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-14 10:09:08,165 INFO L427 AbstractCegarLoop]: === Iteration 18 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:09:08,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:09:08,165 INFO L82 PathProgramCache]: Analyzing trace with hash -428470354, now seen corresponding path program 1 times [2020-10-14 10:09:08,165 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:09:08,166 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1394928066] [2020-10-14 10:09:08,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:09:08,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:08,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:08,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:08,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:08,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:08,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:08,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:08,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:10,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:10,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:10,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:10,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:13,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:13,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 555 [2020-10-14 10:09:13,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-14 10:09:13,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-10-14 10:09:13,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:13,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:13,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:09:13,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 511 [2020-10-14 10:09:13,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-14 10:09:13,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:09:13,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:09:13,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:13,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:13,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:13,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:09:13,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:09:13,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:09:13,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:13,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:13,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:09:13,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:09:13,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:09:13,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:09:13,525 INFO L134 CoverageAnalysis]: Checked inductivity of 2857 backedges. 420 proven. 0 refuted. 0 times theorem prover too weak. 2437 trivial. 0 not checked. [2020-10-14 10:09:13,525 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1394928066] [2020-10-14 10:09:13,526 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:09:13,526 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:09:13,526 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708471139] [2020-10-14 10:09:13,527 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:09:13,527 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:09:13,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:09:13,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:09:13,528 INFO L87 Difference]: Start difference. First operand 4605 states and 6913 transitions. Second operand 3 states. [2020-10-14 10:09:13,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:09:13,721 INFO L93 Difference]: Finished difference Result 9197 states and 13851 transitions. [2020-10-14 10:09:13,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:09:13,721 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 547 [2020-10-14 10:09:13,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:09:13,733 INFO L225 Difference]: With dead ends: 9197 [2020-10-14 10:09:13,733 INFO L226 Difference]: Without dead ends: 4875 [2020-10-14 10:09:13,742 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:09:13,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4875 states. [2020-10-14 10:09:13,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4875 to 4875. [2020-10-14 10:09:13,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4875 states. [2020-10-14 10:09:13,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4875 states to 4875 states and 7334 transitions. [2020-10-14 10:09:13,846 INFO L78 Accepts]: Start accepts. Automaton has 4875 states and 7334 transitions. Word has length 547 [2020-10-14 10:09:13,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:09:13,847 INFO L479 AbstractCegarLoop]: Abstraction has 4875 states and 7334 transitions. [2020-10-14 10:09:13,847 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:09:13,847 INFO L276 IsEmpty]: Start isEmpty. Operand 4875 states and 7334 transitions. [2020-10-14 10:09:13,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 590 [2020-10-14 10:09:13,862 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:09:13,862 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 15, 15, 14, 14, 13, 13, 12, 12, 12, 12, 12, 11, 11, 10, 10, 9, 9, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:09:13,862 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-14 10:09:13,863 INFO L427 AbstractCegarLoop]: === Iteration 19 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:09:13,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:09:13,863 INFO L82 PathProgramCache]: Analyzing trace with hash 1313805006, now seen corresponding path program 1 times [2020-10-14 10:09:13,863 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:09:13,864 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1767387992] [2020-10-14 10:09:13,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:09:13,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:13,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:13,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:14,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:14,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:14,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:14,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:14,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:15,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:15,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:16,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:16,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:16,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:18,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:18,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 597 [2020-10-14 10:09:18,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-14 10:09:18,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-14 10:09:18,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:18,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:18,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:09:18,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 554 [2020-10-14 10:09:18,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-14 10:09:18,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:09:18,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:09:18,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:18,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:18,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:18,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:09:18,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:09:18,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:09:18,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:18,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:18,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:09:18,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:09:18,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:09:18,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:09:19,084 INFO L134 CoverageAnalysis]: Checked inductivity of 3314 backedges. 451 proven. 0 refuted. 0 times theorem prover too weak. 2863 trivial. 0 not checked. [2020-10-14 10:09:19,085 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1767387992] [2020-10-14 10:09:19,085 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:09:19,085 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:09:19,085 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296484387] [2020-10-14 10:09:19,086 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:09:19,086 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:09:19,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:09:19,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:09:19,087 INFO L87 Difference]: Start difference. First operand 4875 states and 7334 transitions. Second operand 3 states. [2020-10-14 10:09:19,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:09:19,295 INFO L93 Difference]: Finished difference Result 9737 states and 14693 transitions. [2020-10-14 10:09:19,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:09:19,296 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 589 [2020-10-14 10:09:19,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:09:19,307 INFO L225 Difference]: With dead ends: 9737 [2020-10-14 10:09:19,307 INFO L226 Difference]: Without dead ends: 5145 [2020-10-14 10:09:19,316 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:09:19,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5145 states. [2020-10-14 10:09:19,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5145 to 5145. [2020-10-14 10:09:19,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5145 states. [2020-10-14 10:09:19,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5145 states to 5145 states and 7757 transitions. [2020-10-14 10:09:19,430 INFO L78 Accepts]: Start accepts. Automaton has 5145 states and 7757 transitions. Word has length 589 [2020-10-14 10:09:19,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:09:19,432 INFO L479 AbstractCegarLoop]: Abstraction has 5145 states and 7757 transitions. [2020-10-14 10:09:19,432 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:09:19,432 INFO L276 IsEmpty]: Start isEmpty. Operand 5145 states and 7757 transitions. [2020-10-14 10:09:19,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 634 [2020-10-14 10:09:19,447 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:09:19,448 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 17, 17, 17, 17, 17, 16, 16, 15, 15, 14, 14, 13, 13, 13, 13, 13, 12, 12, 11, 11, 10, 10, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:09:19,448 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-14 10:09:19,448 INFO L427 AbstractCegarLoop]: === Iteration 20 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:09:19,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:09:19,449 INFO L82 PathProgramCache]: Analyzing trace with hash -1732027880, now seen corresponding path program 1 times [2020-10-14 10:09:19,449 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:09:19,449 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1211297034] [2020-10-14 10:09:19,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:09:19,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:19,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:19,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:19,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:19,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:19,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:19,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:20,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:20,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:20,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:21,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:24,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:24,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 641 [2020-10-14 10:09:24,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-14 10:09:24,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-14 10:09:24,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:24,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:24,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:09:24,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 513 [2020-10-14 10:09:24,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-14 10:09:24,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:09:24,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:09:24,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:24,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:24,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:24,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:09:24,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:09:24,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:09:24,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:24,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:24,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:09:24,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:09:24,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:09:24,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:09:24,767 INFO L134 CoverageAnalysis]: Checked inductivity of 3810 backedges. 1336 proven. 0 refuted. 0 times theorem prover too weak. 2474 trivial. 0 not checked. [2020-10-14 10:09:24,768 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1211297034] [2020-10-14 10:09:24,768 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:09:24,768 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:09:24,768 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929789554] [2020-10-14 10:09:24,769 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:09:24,769 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:09:24,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:09:24,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:09:24,770 INFO L87 Difference]: Start difference. First operand 5145 states and 7757 transitions. Second operand 3 states. [2020-10-14 10:09:25,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:09:25,028 INFO L93 Difference]: Finished difference Result 11911 states and 18575 transitions. [2020-10-14 10:09:25,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:09:25,029 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 633 [2020-10-14 10:09:25,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:09:25,036 INFO L225 Difference]: With dead ends: 11911 [2020-10-14 10:09:25,036 INFO L226 Difference]: Without dead ends: 2942 [2020-10-14 10:09:25,051 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:09:25,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2942 states. [2020-10-14 10:09:25,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2942 to 2942. [2020-10-14 10:09:25,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2942 states. [2020-10-14 10:09:25,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2942 states to 2942 states and 4379 transitions. [2020-10-14 10:09:25,113 INFO L78 Accepts]: Start accepts. Automaton has 2942 states and 4379 transitions. Word has length 633 [2020-10-14 10:09:25,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:09:25,114 INFO L479 AbstractCegarLoop]: Abstraction has 2942 states and 4379 transitions. [2020-10-14 10:09:25,114 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:09:25,114 INFO L276 IsEmpty]: Start isEmpty. Operand 2942 states and 4379 transitions. [2020-10-14 10:09:25,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 634 [2020-10-14 10:09:25,122 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:09:25,123 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 17, 17, 17, 17, 17, 16, 16, 15, 15, 14, 14, 13, 13, 13, 13, 13, 12, 12, 11, 11, 10, 10, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:09:25,123 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-14 10:09:25,123 INFO L427 AbstractCegarLoop]: === Iteration 21 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:09:25,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:09:25,124 INFO L82 PathProgramCache]: Analyzing trace with hash -1385729002, now seen corresponding path program 1 times [2020-10-14 10:09:25,124 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:09:25,124 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1585098809] [2020-10-14 10:09:25,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:09:25,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:25,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:25,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:25,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:25,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:25,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:25,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:26,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:26,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:26,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:26,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:28,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:28,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 641 [2020-10-14 10:09:28,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-14 10:09:28,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2824 [2020-10-14 10:09:28,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:28,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:28,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:09:28,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 597 [2020-10-14 10:09:28,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-14 10:09:28,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:09:28,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:09:28,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:28,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:28,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:28,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:09:28,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:09:28,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:09:28,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:28,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:28,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:09:28,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:09:28,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:09:28,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:09:28,279 INFO L134 CoverageAnalysis]: Checked inductivity of 3810 backedges. 486 proven. 0 refuted. 0 times theorem prover too weak. 3324 trivial. 0 not checked. [2020-10-14 10:09:28,279 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1585098809] [2020-10-14 10:09:28,279 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:09:28,280 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:09:28,280 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136712159] [2020-10-14 10:09:28,280 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:09:28,281 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:09:28,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:09:28,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:09:28,281 INFO L87 Difference]: Start difference. First operand 2942 states and 4379 transitions. Second operand 3 states. [2020-10-14 10:09:28,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:09:28,431 INFO L93 Difference]: Finished difference Result 6002 states and 8955 transitions. [2020-10-14 10:09:28,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:09:28,432 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 633 [2020-10-14 10:09:28,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:09:28,440 INFO L225 Difference]: With dead ends: 6002 [2020-10-14 10:09:28,440 INFO L226 Difference]: Without dead ends: 2826 [2020-10-14 10:09:28,445 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:09:28,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2826 states. [2020-10-14 10:09:28,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2826 to 2826. [2020-10-14 10:09:28,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2826 states. [2020-10-14 10:09:28,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2826 states to 2826 states and 4221 transitions. [2020-10-14 10:09:28,499 INFO L78 Accepts]: Start accepts. Automaton has 2826 states and 4221 transitions. Word has length 633 [2020-10-14 10:09:28,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:09:28,501 INFO L479 AbstractCegarLoop]: Abstraction has 2826 states and 4221 transitions. [2020-10-14 10:09:28,501 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:09:28,501 INFO L276 IsEmpty]: Start isEmpty. Operand 2826 states and 4221 transitions. [2020-10-14 10:09:28,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 675 [2020-10-14 10:09:28,510 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:09:28,510 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 18, 18, 18, 18, 18, 17, 17, 16, 16, 15, 15, 14, 14, 14, 14, 14, 13, 13, 12, 12, 11, 11, 6, 6, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:09:28,510 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-14 10:09:28,511 INFO L427 AbstractCegarLoop]: === Iteration 22 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:09:28,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:09:28,511 INFO L82 PathProgramCache]: Analyzing trace with hash 300007843, now seen corresponding path program 1 times [2020-10-14 10:09:28,511 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:09:28,511 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1488574308] [2020-10-14 10:09:28,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:09:28,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:28,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:28,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:28,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:28,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:28,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:28,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:29,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:29,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:29,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:29,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:32,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:32,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 682 [2020-10-14 10:09:32,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-14 10:09:32,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3778 [2020-10-14 10:09:32,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:32,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:32,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:09:32,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 638 [2020-10-14 10:09:32,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-14 10:09:32,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:09:32,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:09:32,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:32,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:32,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:32,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:09:32,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:09:32,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:09:32,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:32,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:32,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:09:32,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:09:32,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:09:32,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:09:32,620 INFO L134 CoverageAnalysis]: Checked inductivity of 4337 backedges. 527 proven. 0 refuted. 0 times theorem prover too weak. 3810 trivial. 0 not checked. [2020-10-14 10:09:32,621 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1488574308] [2020-10-14 10:09:32,621 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:09:32,621 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:09:32,621 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532948043] [2020-10-14 10:09:32,622 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:09:32,622 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:09:32,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:09:32,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:09:32,622 INFO L87 Difference]: Start difference. First operand 2826 states and 4221 transitions. Second operand 3 states. [2020-10-14 10:09:32,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:09:32,774 INFO L93 Difference]: Finished difference Result 5770 states and 8637 transitions. [2020-10-14 10:09:32,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:09:32,776 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 674 [2020-10-14 10:09:32,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:09:32,784 INFO L225 Difference]: With dead ends: 5770 [2020-10-14 10:09:32,784 INFO L226 Difference]: Without dead ends: 3085 [2020-10-14 10:09:32,789 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:09:32,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3085 states. [2020-10-14 10:09:32,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3085 to 3085. [2020-10-14 10:09:32,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3085 states. [2020-10-14 10:09:32,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3085 states to 3085 states and 4613 transitions. [2020-10-14 10:09:32,844 INFO L78 Accepts]: Start accepts. Automaton has 3085 states and 4613 transitions. Word has length 674 [2020-10-14 10:09:32,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:09:32,845 INFO L479 AbstractCegarLoop]: Abstraction has 3085 states and 4613 transitions. [2020-10-14 10:09:32,845 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:09:32,845 INFO L276 IsEmpty]: Start isEmpty. Operand 3085 states and 4613 transitions. [2020-10-14 10:09:32,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 718 [2020-10-14 10:09:32,855 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:09:32,855 INFO L422 BasicCegarLoop]: trace histogram [20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 19, 19, 19, 19, 19, 18, 18, 17, 17, 16, 16, 15, 15, 15, 15, 15, 14, 14, 13, 13, 12, 12, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:09:32,856 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-14 10:09:32,856 INFO L427 AbstractCegarLoop]: === Iteration 23 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:09:32,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:09:32,856 INFO L82 PathProgramCache]: Analyzing trace with hash 1353782324, now seen corresponding path program 1 times [2020-10-14 10:09:32,857 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:09:32,857 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1839388819] [2020-10-14 10:09:32,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:09:32,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:32,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:33,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:33,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:33,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:33,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:33,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:33,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:33,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:34,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:34,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:37,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:37,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 725 [2020-10-14 10:09:37,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-14 10:09:37,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4421 [2020-10-14 10:09:37,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:37,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:37,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:09:37,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 682 [2020-10-14 10:09:37,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-14 10:09:37,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:09:37,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:09:37,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:37,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:37,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:37,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:09:37,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:09:37,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:09:37,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:37,410 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:37,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:09:37,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:09:37,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:09:37,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:09:37,627 INFO L134 CoverageAnalysis]: Checked inductivity of 4904 backedges. 557 proven. 0 refuted. 0 times theorem prover too weak. 4347 trivial. 0 not checked. [2020-10-14 10:09:37,628 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1839388819] [2020-10-14 10:09:37,628 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:09:37,628 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:09:37,629 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957468429] [2020-10-14 10:09:37,629 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:09:37,629 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:09:37,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:09:37,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:09:37,630 INFO L87 Difference]: Start difference. First operand 3085 states and 4613 transitions. Second operand 3 states. [2020-10-14 10:09:37,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:09:37,802 INFO L93 Difference]: Finished difference Result 3352 states and 5017 transitions. [2020-10-14 10:09:37,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:09:37,802 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 717 [2020-10-14 10:09:37,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:09:37,810 INFO L225 Difference]: With dead ends: 3352 [2020-10-14 10:09:37,811 INFO L226 Difference]: Without dead ends: 3344 [2020-10-14 10:09:37,812 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:09:37,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3344 states. [2020-10-14 10:09:37,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3344 to 3344. [2020-10-14 10:09:37,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3344 states. [2020-10-14 10:09:37,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3344 states to 3344 states and 5007 transitions. [2020-10-14 10:09:37,876 INFO L78 Accepts]: Start accepts. Automaton has 3344 states and 5007 transitions. Word has length 717 [2020-10-14 10:09:37,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:09:37,877 INFO L479 AbstractCegarLoop]: Abstraction has 3344 states and 5007 transitions. [2020-10-14 10:09:37,877 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:09:37,878 INFO L276 IsEmpty]: Start isEmpty. Operand 3344 states and 5007 transitions. [2020-10-14 10:09:37,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 763 [2020-10-14 10:09:37,890 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:09:37,890 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 20, 20, 20, 20, 20, 19, 19, 18, 18, 17, 17, 16, 16, 16, 16, 16, 15, 15, 14, 14, 13, 13, 8, 8, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:09:37,891 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-14 10:09:37,891 INFO L427 AbstractCegarLoop]: === Iteration 24 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:09:37,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:09:37,892 INFO L82 PathProgramCache]: Analyzing trace with hash -2006627030, now seen corresponding path program 1 times [2020-10-14 10:09:37,892 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:09:37,892 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1150746585] [2020-10-14 10:09:37,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:09:37,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:38,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:38,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:38,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:38,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:38,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:38,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:38,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:38,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:39,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:39,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:41,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:41,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 770 [2020-10-14 10:09:41,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-14 10:09:41,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3259 [2020-10-14 10:09:41,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:41,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:41,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:09:41,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 349 [2020-10-14 10:09:41,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-14 10:09:41,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:09:41,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:09:41,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:41,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:41,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:41,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:09:41,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:09:41,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:09:41,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:41,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:41,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:09:41,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:09:41,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:09:41,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:09:41,471 INFO L134 CoverageAnalysis]: Checked inductivity of 5512 backedges. 3104 proven. 0 refuted. 0 times theorem prover too weak. 2408 trivial. 0 not checked. [2020-10-14 10:09:41,472 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1150746585] [2020-10-14 10:09:41,472 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:09:41,472 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:09:41,472 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097231475] [2020-10-14 10:09:41,473 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:09:41,473 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:09:41,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:09:41,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:09:41,473 INFO L87 Difference]: Start difference. First operand 3344 states and 5007 transitions. Second operand 3 states. [2020-10-14 10:09:41,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:09:41,729 INFO L93 Difference]: Finished difference Result 8000 states and 12318 transitions. [2020-10-14 10:09:41,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:09:41,730 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 762 [2020-10-14 10:09:41,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:09:41,742 INFO L225 Difference]: With dead ends: 8000 [2020-10-14 10:09:41,742 INFO L226 Difference]: Without dead ends: 4369 [2020-10-14 10:09:41,749 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:09:41,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4369 states. [2020-10-14 10:09:41,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4369 to 4344. [2020-10-14 10:09:41,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4344 states. [2020-10-14 10:09:41,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4344 states to 4344 states and 6232 transitions. [2020-10-14 10:09:41,833 INFO L78 Accepts]: Start accepts. Automaton has 4344 states and 6232 transitions. Word has length 762 [2020-10-14 10:09:41,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:09:41,833 INFO L479 AbstractCegarLoop]: Abstraction has 4344 states and 6232 transitions. [2020-10-14 10:09:41,833 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:09:41,833 INFO L276 IsEmpty]: Start isEmpty. Operand 4344 states and 6232 transitions. [2020-10-14 10:09:41,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 838 [2020-10-14 10:09:41,845 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:09:41,847 INFO L422 BasicCegarLoop]: trace histogram [26, 26, 26, 26, 25, 25, 21, 21, 21, 21, 21, 21, 20, 20, 20, 19, 19, 18, 18, 17, 17, 16, 16, 16, 16, 16, 15, 15, 14, 14, 13, 13, 8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:09:41,847 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-14 10:09:41,847 INFO L427 AbstractCegarLoop]: === Iteration 25 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:09:41,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:09:41,848 INFO L82 PathProgramCache]: Analyzing trace with hash -176780383, now seen corresponding path program 1 times [2020-10-14 10:09:41,848 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:09:41,848 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1572651352] [2020-10-14 10:09:41,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:09:41,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:41,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:42,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:42,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:42,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:42,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:42,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:42,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:42,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:43,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:43,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:43,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:46,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:46,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 845 [2020-10-14 10:09:46,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-14 10:09:46,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-14 10:09:46,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:46,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:46,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:09:46,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 519 [2020-10-14 10:09:46,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-14 10:09:46,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:09:47,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:09:47,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:47,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:47,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:47,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:09:47,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:09:47,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:09:47,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:47,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:47,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:09:47,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:09:47,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:09:47,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:09:47,264 INFO L134 CoverageAnalysis]: Checked inductivity of 6387 backedges. 3356 proven. 0 refuted. 0 times theorem prover too weak. 3031 trivial. 0 not checked. [2020-10-14 10:09:47,264 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1572651352] [2020-10-14 10:09:47,264 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:09:47,265 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:09:47,265 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164177008] [2020-10-14 10:09:47,266 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:09:47,266 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:09:47,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:09:47,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:09:47,266 INFO L87 Difference]: Start difference. First operand 4344 states and 6232 transitions. Second operand 3 states. [2020-10-14 10:09:47,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:09:47,499 INFO L93 Difference]: Finished difference Result 9850 states and 14565 transitions. [2020-10-14 10:09:47,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:09:47,500 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 837 [2020-10-14 10:09:47,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:09:47,508 INFO L225 Difference]: With dead ends: 9850 [2020-10-14 10:09:47,508 INFO L226 Difference]: Without dead ends: 5219 [2020-10-14 10:09:47,516 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:09:47,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5219 states. [2020-10-14 10:09:47,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5219 to 4794. [2020-10-14 10:09:47,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4794 states. [2020-10-14 10:09:47,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4794 states to 4794 states and 6882 transitions. [2020-10-14 10:09:47,603 INFO L78 Accepts]: Start accepts. Automaton has 4794 states and 6882 transitions. Word has length 837 [2020-10-14 10:09:47,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:09:47,604 INFO L479 AbstractCegarLoop]: Abstraction has 4794 states and 6882 transitions. [2020-10-14 10:09:47,604 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:09:47,604 INFO L276 IsEmpty]: Start isEmpty. Operand 4794 states and 6882 transitions. [2020-10-14 10:09:47,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 903 [2020-10-14 10:09:47,618 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:09:47,619 INFO L422 BasicCegarLoop]: trace histogram [26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 25, 25, 25, 25, 25, 24, 24, 23, 23, 22, 22, 21, 21, 21, 21, 16, 15, 15, 14, 14, 13, 13, 8, 8, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:09:47,619 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-14 10:09:47,620 INFO L427 AbstractCegarLoop]: === Iteration 26 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:09:47,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:09:47,620 INFO L82 PathProgramCache]: Analyzing trace with hash 1976807567, now seen corresponding path program 1 times [2020-10-14 10:09:47,620 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:09:47,621 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [665279747] [2020-10-14 10:09:47,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:09:47,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:47,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:47,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:48,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:49,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:52,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:52,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 910 [2020-10-14 10:09:52,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 10:09:52,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4736 [2020-10-14 10:09:52,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:52,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:52,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 10:09:52,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 529 [2020-10-14 10:09:52,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-14 10:09:52,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:09:52,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:09:52,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:52,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:52,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:52,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:09:52,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:09:52,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:09:52,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:52,525 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:52,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:09:52,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:09:52,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:09:52,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:09:52,817 INFO L134 CoverageAnalysis]: Checked inductivity of 8307 backedges. 4673 proven. 26 refuted. 0 times theorem prover too weak. 3608 trivial. 0 not checked. [2020-10-14 10:09:52,817 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [665279747] [2020-10-14 10:09:52,817 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 10:09:52,818 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-10-14 10:09:52,818 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276938171] [2020-10-14 10:09:52,819 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 10:09:52,819 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:09:52,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 10:09:52,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 10:09:52,819 INFO L87 Difference]: Start difference. First operand 4794 states and 6882 transitions. Second operand 4 states. [2020-10-14 10:09:53,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:09:53,230 INFO L93 Difference]: Finished difference Result 15352 states and 22508 transitions. [2020-10-14 10:09:53,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-14 10:09:53,230 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 902 [2020-10-14 10:09:53,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:09:53,242 INFO L225 Difference]: With dead ends: 15352 [2020-10-14 10:09:53,242 INFO L226 Difference]: Without dead ends: 9008 [2020-10-14 10:09:53,251 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 10:09:53,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9008 states. [2020-10-14 10:09:53,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9008 to 8600. [2020-10-14 10:09:53,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8600 states. [2020-10-14 10:09:53,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8600 states to 8600 states and 12581 transitions. [2020-10-14 10:09:53,405 INFO L78 Accepts]: Start accepts. Automaton has 8600 states and 12581 transitions. Word has length 902 [2020-10-14 10:09:53,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:09:53,406 INFO L479 AbstractCegarLoop]: Abstraction has 8600 states and 12581 transitions. [2020-10-14 10:09:53,406 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 10:09:53,406 INFO L276 IsEmpty]: Start isEmpty. Operand 8600 states and 12581 transitions. [2020-10-14 10:09:53,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 912 [2020-10-14 10:09:53,421 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:09:53,425 INFO L422 BasicCegarLoop]: trace histogram [29, 29, 29, 29, 28, 28, 26, 26, 26, 26, 26, 26, 22, 22, 22, 21, 21, 20, 20, 19, 19, 18, 18, 18, 18, 16, 15, 15, 14, 14, 13, 13, 8, 8, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:09:53,425 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-14 10:09:53,426 INFO L427 AbstractCegarLoop]: === Iteration 27 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:09:53,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:09:53,427 INFO L82 PathProgramCache]: Analyzing trace with hash 2141084862, now seen corresponding path program 1 times [2020-10-14 10:09:53,427 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:09:53,427 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [902844628] [2020-10-14 10:09:53,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:09:53,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:53,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:53,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:53,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:53,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:53,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:53,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:54,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:54,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:55,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:56,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:56,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:58,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:58,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 919 [2020-10-14 10:09:58,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-14 10:09:58,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-14 10:09:58,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:58,525 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:58,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:09:58,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 410 [2020-10-14 10:09:58,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-14 10:09:58,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:09:58,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:09:58,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:58,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:58,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:58,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:09:58,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:09:58,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:09:58,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:58,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:58,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:09:58,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:09:58,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:09:58,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:09:58,911 INFO L134 CoverageAnalysis]: Checked inductivity of 8079 backedges. 4489 proven. 0 refuted. 0 times theorem prover too weak. 3590 trivial. 0 not checked. [2020-10-14 10:09:58,911 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [902844628] [2020-10-14 10:09:58,911 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:09:58,911 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:09:58,912 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973236669] [2020-10-14 10:09:58,912 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:09:58,912 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:09:58,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:09:58,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:09:58,913 INFO L87 Difference]: Start difference. First operand 8600 states and 12581 transitions. Second operand 3 states. [2020-10-14 10:09:59,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:09:59,178 INFO L93 Difference]: Finished difference Result 19537 states and 29335 transitions. [2020-10-14 10:09:59,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:09:59,179 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 911 [2020-10-14 10:09:59,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:09:59,192 INFO L225 Difference]: With dead ends: 19537 [2020-10-14 10:09:59,192 INFO L226 Difference]: Without dead ends: 10150 [2020-10-14 10:09:59,205 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:09:59,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10150 states. [2020-10-14 10:09:59,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10150 to 9650. [2020-10-14 10:09:59,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9650 states. [2020-10-14 10:09:59,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9650 states to 9650 states and 14256 transitions. [2020-10-14 10:09:59,374 INFO L78 Accepts]: Start accepts. Automaton has 9650 states and 14256 transitions. Word has length 911 [2020-10-14 10:09:59,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:09:59,374 INFO L479 AbstractCegarLoop]: Abstraction has 9650 states and 14256 transitions. [2020-10-14 10:09:59,374 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:09:59,375 INFO L276 IsEmpty]: Start isEmpty. Operand 9650 states and 14256 transitions. [2020-10-14 10:09:59,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 975 [2020-10-14 10:09:59,392 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:09:59,392 INFO L422 BasicCegarLoop]: trace histogram [32, 32, 32, 32, 31, 31, 29, 29, 29, 29, 29, 29, 25, 25, 25, 21, 21, 20, 20, 19, 19, 18, 18, 18, 18, 16, 15, 15, 14, 14, 13, 13, 8, 8, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:09:59,393 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-10-14 10:09:59,393 INFO L427 AbstractCegarLoop]: === Iteration 28 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:09:59,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:09:59,393 INFO L82 PathProgramCache]: Analyzing trace with hash -1351998112, now seen corresponding path program 1 times [2020-10-14 10:09:59,394 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:09:59,394 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [154052149] [2020-10-14 10:09:59,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:09:59,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:59,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:59,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:59,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:59,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:59,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:59,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:59,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:00,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:01,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:01,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:04,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:04,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 982 [2020-10-14 10:10:04,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-14 10:10:04,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-14 10:10:04,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:04,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:04,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:10:04,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 430 [2020-10-14 10:10:04,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-14 10:10:04,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:10:04,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:10:04,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:04,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:04,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:04,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:10:04,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:04,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:10:04,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:04,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:04,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:10:04,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:04,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:10:04,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:10:04,952 INFO L134 CoverageAnalysis]: Checked inductivity of 9426 backedges. 5204 proven. 0 refuted. 0 times theorem prover too weak. 4222 trivial. 0 not checked. [2020-10-14 10:10:04,952 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [154052149] [2020-10-14 10:10:04,952 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:10:04,952 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:10:04,953 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284091922] [2020-10-14 10:10:04,953 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:10:04,953 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:10:04,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:10:04,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:10:04,954 INFO L87 Difference]: Start difference. First operand 9650 states and 14256 transitions. Second operand 3 states. [2020-10-14 10:10:05,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:10:05,235 INFO L93 Difference]: Finished difference Result 21435 states and 32317 transitions. [2020-10-14 10:10:05,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:10:05,238 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 974 [2020-10-14 10:10:05,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:10:05,249 INFO L225 Difference]: With dead ends: 21435 [2020-10-14 10:10:05,250 INFO L226 Difference]: Without dead ends: 11138 [2020-10-14 10:10:05,258 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:10:05,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11138 states. [2020-10-14 10:10:05,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11138 to 10662. [2020-10-14 10:10:05,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10662 states. [2020-10-14 10:10:05,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10662 states to 10662 states and 15906 transitions. [2020-10-14 10:10:05,404 INFO L78 Accepts]: Start accepts. Automaton has 10662 states and 15906 transitions. Word has length 974 [2020-10-14 10:10:05,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:10:05,404 INFO L479 AbstractCegarLoop]: Abstraction has 10662 states and 15906 transitions. [2020-10-14 10:10:05,404 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:10:05,404 INFO L276 IsEmpty]: Start isEmpty. Operand 10662 states and 15906 transitions. [2020-10-14 10:10:05,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1032 [2020-10-14 10:10:05,418 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:10:05,419 INFO L422 BasicCegarLoop]: trace histogram [35, 35, 35, 35, 34, 34, 32, 32, 32, 29, 29, 29, 25, 25, 25, 24, 24, 23, 23, 22, 22, 21, 21, 21, 21, 16, 15, 15, 14, 14, 13, 13, 8, 8, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:10:05,419 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-10-14 10:10:05,419 INFO L427 AbstractCegarLoop]: === Iteration 29 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:10:05,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:10:05,419 INFO L82 PathProgramCache]: Analyzing trace with hash 1853561327, now seen corresponding path program 1 times [2020-10-14 10:10:05,420 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:10:05,420 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1906278687] [2020-10-14 10:10:05,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:10:05,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:05,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:05,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:05,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:05,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:05,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:05,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:05,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:06,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:06,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:08,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:10,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:10,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1039 [2020-10-14 10:10:10,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-14 10:10:10,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-10-14 10:10:10,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:10,528 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:10,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:10:10,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 604 [2020-10-14 10:10:10,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 10:10:10,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:10:10,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:10:10,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:10,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:10,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:10,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:10:10,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:10,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:10:10,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:10,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:10,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:10:10,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:10,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:10:10,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:10:11,009 INFO L134 CoverageAnalysis]: Checked inductivity of 10983 backedges. 5671 proven. 0 refuted. 0 times theorem prover too weak. 5312 trivial. 0 not checked. [2020-10-14 10:10:11,009 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1906278687] [2020-10-14 10:10:11,009 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:10:11,009 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:10:11,009 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280950426] [2020-10-14 10:10:11,010 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:10:11,010 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:10:11,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:10:11,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:10:11,011 INFO L87 Difference]: Start difference. First operand 10662 states and 15906 transitions. Second operand 3 states. [2020-10-14 10:10:11,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:10:11,356 INFO L93 Difference]: Finished difference Result 23736 states and 35766 transitions. [2020-10-14 10:10:11,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:10:11,356 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1031 [2020-10-14 10:10:11,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:10:11,373 INFO L225 Difference]: With dead ends: 23736 [2020-10-14 10:10:11,373 INFO L226 Difference]: Without dead ends: 12837 [2020-10-14 10:10:11,386 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:10:11,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12837 states. [2020-10-14 10:10:11,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12837 to 12462. [2020-10-14 10:10:11,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12462 states. [2020-10-14 10:10:11,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12462 states to 12462 states and 17901 transitions. [2020-10-14 10:10:11,585 INFO L78 Accepts]: Start accepts. Automaton has 12462 states and 17901 transitions. Word has length 1031 [2020-10-14 10:10:11,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:10:11,585 INFO L479 AbstractCegarLoop]: Abstraction has 12462 states and 17901 transitions. [2020-10-14 10:10:11,585 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:10:11,585 INFO L276 IsEmpty]: Start isEmpty. Operand 12462 states and 17901 transitions. [2020-10-14 10:10:11,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1038 [2020-10-14 10:10:11,603 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:10:11,603 INFO L422 BasicCegarLoop]: trace histogram [35, 35, 35, 35, 34, 34, 32, 32, 32, 32, 32, 32, 28, 28, 28, 24, 24, 20, 20, 19, 19, 18, 18, 18, 18, 16, 15, 15, 14, 14, 13, 13, 8, 8, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:10:11,603 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-10-14 10:10:11,604 INFO L427 AbstractCegarLoop]: === Iteration 30 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:10:11,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:10:11,604 INFO L82 PathProgramCache]: Analyzing trace with hash 1820209716, now seen corresponding path program 1 times [2020-10-14 10:10:11,604 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:10:11,604 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [433497265] [2020-10-14 10:10:11,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:10:11,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:11,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:11,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:11,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:11,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:11,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:12,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:12,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:12,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:14,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:16,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:16,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1045 [2020-10-14 10:10:16,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-14 10:10:16,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-14 10:10:16,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:16,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:16,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:10:16,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 452 [2020-10-14 10:10:16,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-14 10:10:16,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:10:16,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:10:16,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:16,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:16,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:16,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:10:16,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:16,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:10:16,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:16,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:16,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:10:16,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:16,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:10:16,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:10:17,457 INFO L134 CoverageAnalysis]: Checked inductivity of 11037 backedges. 6043 proven. 0 refuted. 0 times theorem prover too weak. 4994 trivial. 0 not checked. [2020-10-14 10:10:17,457 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [433497265] [2020-10-14 10:10:17,459 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:10:17,460 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:10:17,460 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393131920] [2020-10-14 10:10:17,461 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:10:17,461 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:10:17,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:10:17,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:10:17,462 INFO L87 Difference]: Start difference. First operand 12462 states and 17901 transitions. Second operand 3 states. [2020-10-14 10:10:17,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:10:17,863 INFO L93 Difference]: Finished difference Result 27761 states and 40490 transitions. [2020-10-14 10:10:17,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:10:17,864 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1037 [2020-10-14 10:10:17,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:10:17,885 INFO L225 Difference]: With dead ends: 27761 [2020-10-14 10:10:17,885 INFO L226 Difference]: Without dead ends: 14462 [2020-10-14 10:10:17,902 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:10:17,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14462 states. [2020-10-14 10:10:18,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14462 to 13712. [2020-10-14 10:10:18,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13712 states. [2020-10-14 10:10:18,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13712 states to 13712 states and 19601 transitions. [2020-10-14 10:10:18,168 INFO L78 Accepts]: Start accepts. Automaton has 13712 states and 19601 transitions. Word has length 1037 [2020-10-14 10:10:18,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:10:18,169 INFO L479 AbstractCegarLoop]: Abstraction has 13712 states and 19601 transitions. [2020-10-14 10:10:18,169 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:10:18,169 INFO L276 IsEmpty]: Start isEmpty. Operand 13712 states and 19601 transitions. [2020-10-14 10:10:18,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1116 [2020-10-14 10:10:18,192 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:10:18,193 INFO L422 BasicCegarLoop]: trace histogram [38, 38, 38, 38, 37, 37, 35, 35, 35, 35, 35, 35, 31, 31, 31, 27, 27, 23, 23, 19, 19, 18, 18, 18, 18, 16, 15, 15, 14, 14, 13, 13, 8, 8, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:10:18,193 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-10-14 10:10:18,193 INFO L427 AbstractCegarLoop]: === Iteration 31 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:10:18,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:10:18,194 INFO L82 PathProgramCache]: Analyzing trace with hash -1708723256, now seen corresponding path program 1 times [2020-10-14 10:10:18,194 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:10:18,194 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [344488335] [2020-10-14 10:10:18,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:10:18,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:18,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:18,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:18,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:18,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:18,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:18,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:19,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:19,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:19,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:19,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:20,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:21,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:21,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:23,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:23,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1123 [2020-10-14 10:10:23,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-14 10:10:23,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5053 [2020-10-14 10:10:23,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:23,385 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:23,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:10:23,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 478 [2020-10-14 10:10:23,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-14 10:10:23,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:10:23,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:10:23,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:23,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:23,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:23,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:10:23,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:23,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:10:23,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:23,568 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:23,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:10:23,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:23,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:10:23,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:10:24,051 INFO L134 CoverageAnalysis]: Checked inductivity of 12948 backedges. 6926 proven. 0 refuted. 0 times theorem prover too weak. 6022 trivial. 0 not checked. [2020-10-14 10:10:24,051 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [344488335] [2020-10-14 10:10:24,051 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:10:24,052 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:10:24,052 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106932189] [2020-10-14 10:10:24,053 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:10:24,053 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:10:24,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:10:24,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:10:24,053 INFO L87 Difference]: Start difference. First operand 13712 states and 19601 transitions. Second operand 3 states. [2020-10-14 10:10:24,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:10:24,313 INFO L93 Difference]: Finished difference Result 29136 states and 41928 transitions. [2020-10-14 10:10:24,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:10:24,313 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1115 [2020-10-14 10:10:24,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:10:24,328 INFO L225 Difference]: With dead ends: 29136 [2020-10-14 10:10:24,328 INFO L226 Difference]: Without dead ends: 15437 [2020-10-14 10:10:24,342 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:10:24,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15437 states. [2020-10-14 10:10:24,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15437 to 15062. [2020-10-14 10:10:24,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15062 states. [2020-10-14 10:10:24,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15062 states to 15062 states and 21201 transitions. [2020-10-14 10:10:24,553 INFO L78 Accepts]: Start accepts. Automaton has 15062 states and 21201 transitions. Word has length 1115 [2020-10-14 10:10:24,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:10:24,554 INFO L479 AbstractCegarLoop]: Abstraction has 15062 states and 21201 transitions. [2020-10-14 10:10:24,554 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:10:24,554 INFO L276 IsEmpty]: Start isEmpty. Operand 15062 states and 21201 transitions. [2020-10-14 10:10:24,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1185 [2020-10-14 10:10:24,577 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:10:24,578 INFO L422 BasicCegarLoop]: trace histogram [41, 41, 41, 41, 40, 40, 38, 38, 38, 38, 38, 38, 34, 34, 34, 30, 30, 26, 26, 22, 22, 18, 18, 18, 18, 16, 15, 15, 14, 14, 13, 13, 8, 8, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:10:24,578 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-10-14 10:10:24,578 INFO L427 AbstractCegarLoop]: === Iteration 32 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:10:24,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:10:24,579 INFO L82 PathProgramCache]: Analyzing trace with hash -429601230, now seen corresponding path program 1 times [2020-10-14 10:10:24,579 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:10:24,579 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2131636258] [2020-10-14 10:10:24,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:10:24,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:24,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:24,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:24,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:25,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:25,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:25,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:25,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:25,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:25,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:25,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:25,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:26,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:26,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:29,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:29,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1192 [2020-10-14 10:10:29,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-14 10:10:29,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-14 10:10:29,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:29,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:29,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:10:29,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-14 10:10:29,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 376 [2020-10-14 10:10:29,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:10:29,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:10:29,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:29,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:29,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:29,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:10:29,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:29,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:10:29,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:29,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:29,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:10:29,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:29,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:10:29,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:10:30,612 INFO L134 CoverageAnalysis]: Checked inductivity of 15135 backedges. 8675 proven. 0 refuted. 0 times theorem prover too weak. 6460 trivial. 0 not checked. [2020-10-14 10:10:30,612 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2131636258] [2020-10-14 10:10:30,613 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:10:30,613 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:10:30,613 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577971319] [2020-10-14 10:10:30,614 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:10:30,614 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:10:30,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:10:30,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:10:30,615 INFO L87 Difference]: Start difference. First operand 15062 states and 21201 transitions. Second operand 3 states. [2020-10-14 10:10:30,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:10:30,852 INFO L93 Difference]: Finished difference Result 33101 states and 46508 transitions. [2020-10-14 10:10:30,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:10:30,852 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1184 [2020-10-14 10:10:30,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:10:30,869 INFO L225 Difference]: With dead ends: 33101 [2020-10-14 10:10:30,869 INFO L226 Difference]: Without dead ends: 18052 [2020-10-14 10:10:30,962 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:10:30,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18052 states. [2020-10-14 10:10:31,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18052 to 18052. [2020-10-14 10:10:31,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18052 states. [2020-10-14 10:10:31,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18052 states to 18052 states and 25274 transitions. [2020-10-14 10:10:31,207 INFO L78 Accepts]: Start accepts. Automaton has 18052 states and 25274 transitions. Word has length 1184 [2020-10-14 10:10:31,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:10:31,207 INFO L479 AbstractCegarLoop]: Abstraction has 18052 states and 25274 transitions. [2020-10-14 10:10:31,207 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:10:31,207 INFO L276 IsEmpty]: Start isEmpty. Operand 18052 states and 25274 transitions. [2020-10-14 10:10:31,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1191 [2020-10-14 10:10:31,231 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:10:31,231 INFO L422 BasicCegarLoop]: trace histogram [41, 41, 41, 41, 40, 40, 38, 38, 38, 38, 38, 38, 34, 34, 34, 30, 30, 26, 26, 22, 22, 18, 18, 18, 18, 16, 15, 15, 14, 14, 13, 13, 8, 8, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:10:31,232 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2020-10-14 10:10:31,232 INFO L427 AbstractCegarLoop]: === Iteration 33 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:10:31,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:10:31,232 INFO L82 PathProgramCache]: Analyzing trace with hash -1516696970, now seen corresponding path program 1 times [2020-10-14 10:10:31,232 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:10:31,233 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1211968972] [2020-10-14 10:10:31,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:10:31,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:31,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:31,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:31,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:31,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:31,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:31,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:31,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:31,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:31,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:31,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:32,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:32,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:32,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:33,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:35,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:36,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:36,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1198 [2020-10-14 10:10:36,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-14 10:10:36,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-10-14 10:10:36,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:36,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:36,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:10:36,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 127 [2020-10-14 10:10:36,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 376 [2020-10-14 10:10:36,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:10:36,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:10:36,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:36,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:36,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:36,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:10:36,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:36,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:10:36,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:36,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:36,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:10:36,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:36,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:10:36,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:10:37,005 INFO L134 CoverageAnalysis]: Checked inductivity of 15144 backedges. 8680 proven. 0 refuted. 0 times theorem prover too weak. 6464 trivial. 0 not checked. [2020-10-14 10:10:37,005 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1211968972] [2020-10-14 10:10:37,005 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:10:37,005 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:10:37,005 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264273257] [2020-10-14 10:10:37,006 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:10:37,006 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:10:37,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:10:37,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:10:37,007 INFO L87 Difference]: Start difference. First operand 18052 states and 25274 transitions. Second operand 3 states. [2020-10-14 10:10:37,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:10:37,328 INFO L93 Difference]: Finished difference Result 48100 states and 67442 transitions. [2020-10-14 10:10:37,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:10:37,328 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1190 [2020-10-14 10:10:37,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:10:37,370 INFO L225 Difference]: With dead ends: 48100 [2020-10-14 10:10:37,371 INFO L226 Difference]: Without dead ends: 33051 [2020-10-14 10:10:37,389 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:10:37,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33051 states. [2020-10-14 10:10:37,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33051 to 33043. [2020-10-14 10:10:37,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33043 states. [2020-10-14 10:10:37,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33043 states to 33043 states and 46251 transitions. [2020-10-14 10:10:37,838 INFO L78 Accepts]: Start accepts. Automaton has 33043 states and 46251 transitions. Word has length 1190 [2020-10-14 10:10:37,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:10:37,839 INFO L479 AbstractCegarLoop]: Abstraction has 33043 states and 46251 transitions. [2020-10-14 10:10:37,839 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:10:37,839 INFO L276 IsEmpty]: Start isEmpty. Operand 33043 states and 46251 transitions. [2020-10-14 10:10:37,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1192 [2020-10-14 10:10:37,872 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:10:37,873 INFO L422 BasicCegarLoop]: trace histogram [41, 41, 41, 41, 40, 40, 38, 38, 38, 38, 38, 38, 34, 34, 34, 30, 30, 26, 26, 22, 22, 18, 18, 18, 18, 16, 15, 15, 14, 14, 13, 13, 8, 8, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:10:37,873 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2020-10-14 10:10:37,873 INFO L427 AbstractCegarLoop]: === Iteration 34 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:10:37,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:10:37,873 INFO L82 PathProgramCache]: Analyzing trace with hash -1653761432, now seen corresponding path program 1 times [2020-10-14 10:10:37,873 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:10:37,874 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1299564759] [2020-10-14 10:10:37,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:10:37,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:38,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:38,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:38,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:38,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:38,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:38,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:38,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:38,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:38,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:38,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:38,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:38,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:39,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:39,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:41,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:42,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:42,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1199 [2020-10-14 10:10:42,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-14 10:10:42,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-10-14 10:10:42,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:42,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:42,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:10:42,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-10-14 10:10:42,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 377 [2020-10-14 10:10:42,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:10:43,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:10:43,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:43,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:43,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:43,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:10:43,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:43,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:10:43,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:43,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:43,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:10:43,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:43,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:10:43,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:10:43,870 INFO L134 CoverageAnalysis]: Checked inductivity of 15147 backedges. 8685 proven. 0 refuted. 0 times theorem prover too weak. 6462 trivial. 0 not checked. [2020-10-14 10:10:43,871 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1299564759] [2020-10-14 10:10:43,871 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:10:43,871 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:10:43,871 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993721160] [2020-10-14 10:10:43,872 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:10:43,872 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:10:43,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:10:43,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:10:43,872 INFO L87 Difference]: Start difference. First operand 33043 states and 46251 transitions. Second operand 3 states. [2020-10-14 10:10:44,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:10:44,301 INFO L93 Difference]: Finished difference Result 76692 states and 106909 transitions. [2020-10-14 10:10:44,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:10:44,301 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1191 [2020-10-14 10:10:44,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:10:44,345 INFO L225 Difference]: With dead ends: 76692 [2020-10-14 10:10:44,346 INFO L226 Difference]: Without dead ends: 46652 [2020-10-14 10:10:44,372 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:10:44,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46652 states. [2020-10-14 10:10:44,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46652 to 41191. [2020-10-14 10:10:44,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41191 states. [2020-10-14 10:10:44,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41191 states to 41191 states and 57481 transitions. [2020-10-14 10:10:44,957 INFO L78 Accepts]: Start accepts. Automaton has 41191 states and 57481 transitions. Word has length 1191 [2020-10-14 10:10:44,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:10:44,957 INFO L479 AbstractCegarLoop]: Abstraction has 41191 states and 57481 transitions. [2020-10-14 10:10:44,957 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:10:44,958 INFO L276 IsEmpty]: Start isEmpty. Operand 41191 states and 57481 transitions. [2020-10-14 10:10:44,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1197 [2020-10-14 10:10:44,996 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:10:44,997 INFO L422 BasicCegarLoop]: trace histogram [41, 41, 41, 41, 40, 40, 38, 38, 38, 38, 38, 38, 34, 34, 34, 30, 30, 26, 26, 22, 22, 18, 18, 18, 18, 16, 15, 15, 14, 14, 13, 13, 8, 8, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:10:44,997 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2020-10-14 10:10:44,997 INFO L427 AbstractCegarLoop]: === Iteration 35 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:10:44,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:10:44,998 INFO L82 PathProgramCache]: Analyzing trace with hash 711230066, now seen corresponding path program 1 times [2020-10-14 10:10:44,998 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:10:44,998 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1262663301] [2020-10-14 10:10:44,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:10:45,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:45,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:45,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:45,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:45,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:45,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:45,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:45,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:45,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:45,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:45,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:45,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:46,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:46,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:46,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:46,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:46,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:50,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:50,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1204 [2020-10-14 10:10:50,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-14 10:10:50,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5043 [2020-10-14 10:10:50,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:50,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:50,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:10:50,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 505 [2020-10-14 10:10:50,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-14 10:10:50,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:10:50,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:10:50,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:50,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:50,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:50,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:10:50,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:50,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:10:50,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:50,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:50,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:10:50,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:50,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:10:50,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:10:50,676 INFO L134 CoverageAnalysis]: Checked inductivity of 15156 backedges. 8155 proven. 0 refuted. 0 times theorem prover too weak. 7001 trivial. 0 not checked. [2020-10-14 10:10:50,676 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1262663301] [2020-10-14 10:10:50,676 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:10:50,677 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:10:50,677 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369305095] [2020-10-14 10:10:50,677 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:10:50,678 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:10:50,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:10:50,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:10:50,678 INFO L87 Difference]: Start difference. First operand 41191 states and 57481 transitions. Second operand 3 states. [2020-10-14 10:10:51,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:10:51,434 INFO L93 Difference]: Finished difference Result 82373 states and 115401 transitions. [2020-10-14 10:10:51,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:10:51,435 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1196 [2020-10-14 10:10:51,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:10:51,475 INFO L225 Difference]: With dead ends: 82373 [2020-10-14 10:10:51,475 INFO L226 Difference]: Without dead ends: 40285 [2020-10-14 10:10:51,500 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:10:51,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40285 states. [2020-10-14 10:10:51,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40285 to 35492. [2020-10-14 10:10:51,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35492 states. [2020-10-14 10:10:52,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35492 states to 35492 states and 49614 transitions. [2020-10-14 10:10:52,029 INFO L78 Accepts]: Start accepts. Automaton has 35492 states and 49614 transitions. Word has length 1196 [2020-10-14 10:10:52,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:10:52,029 INFO L479 AbstractCegarLoop]: Abstraction has 35492 states and 49614 transitions. [2020-10-14 10:10:52,029 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:10:52,030 INFO L276 IsEmpty]: Start isEmpty. Operand 35492 states and 49614 transitions. [2020-10-14 10:10:52,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1287 [2020-10-14 10:10:52,063 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:10:52,064 INFO L422 BasicCegarLoop]: trace histogram [44, 44, 44, 44, 43, 43, 41, 41, 41, 41, 41, 41, 37, 37, 37, 33, 33, 29, 29, 25, 25, 21, 21, 21, 21, 16, 15, 15, 14, 14, 13, 13, 8, 8, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:10:52,064 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2020-10-14 10:10:52,064 INFO L427 AbstractCegarLoop]: === Iteration 36 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:10:52,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:10:52,065 INFO L82 PathProgramCache]: Analyzing trace with hash -1636677228, now seen corresponding path program 1 times [2020-10-14 10:10:52,065 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:10:52,065 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1049648391] [2020-10-14 10:10:52,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:10:52,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:52,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:52,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:52,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:52,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:52,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:52,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:52,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:52,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:52,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:52,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:52,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:52,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:53,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:53,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:53,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:53,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:53,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:54,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:57,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:57,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1294 [2020-10-14 10:10:57,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-14 10:10:57,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5047 [2020-10-14 10:10:57,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:57,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:57,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:10:57,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 656 [2020-10-14 10:10:57,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 10:10:57,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:10:57,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:10:57,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:57,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:57,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:57,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:10:57,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:57,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:10:57,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:57,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:57,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:10:57,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:57,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:10:57,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:10:57,968 INFO L134 CoverageAnalysis]: Checked inductivity of 17796 backedges. 9343 proven. 0 refuted. 0 times theorem prover too weak. 8453 trivial. 0 not checked. [2020-10-14 10:10:57,969 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1049648391] [2020-10-14 10:10:57,969 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:10:57,969 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:10:57,969 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155448234] [2020-10-14 10:10:57,970 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:10:57,970 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:10:57,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:10:57,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:10:57,971 INFO L87 Difference]: Start difference. First operand 35492 states and 49614 transitions. Second operand 3 states. [2020-10-14 10:10:58,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:10:58,419 INFO L93 Difference]: Finished difference Result 52969 states and 74264 transitions. [2020-10-14 10:10:58,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:10:58,419 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1286 [2020-10-14 10:10:58,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:10:58,420 INFO L225 Difference]: With dead ends: 52969 [2020-10-14 10:10:58,420 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 10:10:58,479 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:10:58,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 10:10:58,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 10:10:58,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 10:10:58,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 10:10:58,480 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1286 [2020-10-14 10:10:58,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:10:58,480 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 10:10:58,480 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:10:58,481 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 10:10:58,481 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 10:10:58,481 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2020-10-14 10:10:58,483 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 10:10:58,938 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 81 [2020-10-14 10:10:59,223 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 83 [2020-10-14 10:10:59,719 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 343 DAG size of output: 95 [2020-10-14 10:10:59,979 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 75 [2020-10-14 10:11:00,342 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 163 [2020-10-14 10:11:00,600 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 163 [2020-10-14 10:11:00,878 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 120 [2020-10-14 10:11:01,633 WARN L193 SmtUtils]: Spent 748.00 ms on a formula simplification. DAG size of input: 1259 DAG size of output: 74 [2020-10-14 10:11:01,774 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 99 [2020-10-14 10:11:01,956 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 134 [2020-10-14 10:11:02,136 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 117 [2020-10-14 10:11:02,791 WARN L193 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 1259 DAG size of output: 74 [2020-10-14 10:11:02,987 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 28 [2020-10-14 10:11:03,156 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 30 [2020-10-14 10:11:03,289 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 28 [2020-10-14 10:11:03,450 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 30 [2020-10-14 10:11:03,657 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 28 [2020-10-14 10:11:03,897 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 33 [2020-10-14 10:11:04,012 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 28 [2020-10-14 10:11:04,144 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 28 [2020-10-14 10:11:04,440 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 30 [2020-10-14 10:11:04,719 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 30 [2020-10-14 10:11:04,833 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 28 [2020-10-14 10:11:05,044 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 30 [2020-10-14 10:11:05,250 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 36 [2020-10-14 10:11:05,418 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 33 [2020-10-14 10:11:05,573 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 28 [2020-10-14 10:11:05,794 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 30 [2020-10-14 10:11:05,915 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 28 [2020-10-14 10:11:06,230 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 30 [2020-10-14 10:11:06,431 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 36 [2020-10-14 10:11:06,541 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 28 [2020-10-14 10:11:06,546 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-10-14 10:11:06,546 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 10:11:06,546 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 10:11:06,546 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-14 10:11:06,547 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 10:11:06,547 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 10:11:06,547 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 671 682) the Hoare annotation is: true [2020-10-14 10:11:06,547 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 671 682) no Hoare annotation was computed. [2020-10-14 10:11:06,547 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 671 682) no Hoare annotation was computed. [2020-10-14 10:11:06,547 INFO L271 CegarLoopResult]: At program point L678(line 678) the Hoare annotation is: true [2020-10-14 10:11:06,547 INFO L268 CegarLoopResult]: For program point L678-1(line 678) no Hoare annotation was computed. [2020-10-14 10:11:06,548 INFO L268 CegarLoopResult]: For program point L663(lines 663 665) no Hoare annotation was computed. [2020-10-14 10:11:06,548 INFO L268 CegarLoopResult]: For program point L663-2(lines 663 665) no Hoare annotation was computed. [2020-10-14 10:11:06,548 INFO L268 CegarLoopResult]: For program point L498(lines 498 512) no Hoare annotation was computed. [2020-10-14 10:11:06,548 INFO L264 CegarLoopResult]: At program point L201(lines 197 606) the Hoare annotation is: (let ((.cse0 (<= 8496 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~blastFlag~0 11))) (or (and (<= ssl3_accept_~blastFlag~0 4) .cse0) (and (= (+ ssl3_accept_~s__verify_mode~0 4) 0) .cse0 .cse1) (and (not (= (+ ssl3_accept_~s__verify_mode~0 1) 0)) .cse0 .cse1 (= ssl3_accept_~s__session__peer~0 0)) (and (<= ssl3_accept_~blastFlag~0 18) (not (= ssl3_accept_~s__hit~0 0))))) [2020-10-14 10:11:06,548 INFO L264 CegarLoopResult]: At program point L102(lines 101 638) the Hoare annotation is: (let ((.cse0 (<= 8496 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~blastFlag~0 11))) (or (and (<= ssl3_accept_~blastFlag~0 4) .cse0) (and (= (+ ssl3_accept_~s__verify_mode~0 4) 0) .cse0 .cse1) (and (not (= (+ ssl3_accept_~s__verify_mode~0 1) 0)) .cse0 .cse1 (= ssl3_accept_~s__session__peer~0 0)) (and (<= ssl3_accept_~blastFlag~0 18) (not (= ssl3_accept_~s__hit~0 0))))) [2020-10-14 10:11:06,549 INFO L268 CegarLoopResult]: For program point L532(lines 532 546) no Hoare annotation was computed. [2020-10-14 10:11:06,549 INFO L268 CegarLoopResult]: For program point L566(lines 566 572) no Hoare annotation was computed. [2020-10-14 10:11:06,549 INFO L268 CegarLoopResult]: For program point L434-1(lines 434 442) no Hoare annotation was computed. [2020-10-14 10:11:06,549 INFO L268 CegarLoopResult]: For program point L335(lines 335 372) no Hoare annotation was computed. [2020-10-14 10:11:06,549 INFO L268 CegarLoopResult]: For program point L335-1(lines 335 372) no Hoare annotation was computed. [2020-10-14 10:11:06,549 INFO L268 CegarLoopResult]: For program point L203(lines 203 604) no Hoare annotation was computed. [2020-10-14 10:11:06,550 INFO L268 CegarLoopResult]: For program point L170(lines 170 615) no Hoare annotation was computed. [2020-10-14 10:11:06,550 INFO L268 CegarLoopResult]: For program point L137(lines 137 626) no Hoare annotation was computed. [2020-10-14 10:11:06,550 INFO L268 CegarLoopResult]: For program point L104(lines 104 637) no Hoare annotation was computed. [2020-10-14 10:11:06,550 INFO L268 CegarLoopResult]: For program point L501(lines 501 511) no Hoare annotation was computed. [2020-10-14 10:11:06,550 INFO L264 CegarLoopResult]: At program point L402(lines 393 414) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8560)) (.cse1 (<= 8496 ssl3_accept_~s__state~0)) (.cse2 (<= ssl3_accept_~blastFlag~0 11))) (or (and .cse0 (not (= (+ ssl3_accept_~s__verify_mode~0 1) 0)) .cse1 .cse2 (= ssl3_accept_~s__session__peer~0 0)) (and .cse0 (= (+ ssl3_accept_~s__verify_mode~0 4) 0) .cse1 .cse2) (and (<= ssl3_accept_~blastFlag~0 18) (not (= ssl3_accept_~s__hit~0 0))))) [2020-10-14 10:11:06,550 INFO L268 CegarLoopResult]: For program point L336(lines 336 369) no Hoare annotation was computed. [2020-10-14 10:11:06,550 INFO L268 CegarLoopResult]: For program point L303(lines 303 313) no Hoare annotation was computed. [2020-10-14 10:11:06,551 INFO L268 CegarLoopResult]: For program point L303-2(lines 303 313) no Hoare annotation was computed. [2020-10-14 10:11:06,551 INFO L271 CegarLoopResult]: At program point L204(lines 203 604) the Hoare annotation is: true [2020-10-14 10:11:06,551 INFO L264 CegarLoopResult]: At program point L171(lines 167 616) the Hoare annotation is: (let ((.cse0 (<= 8496 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~blastFlag~0 11))) (or (and (<= ssl3_accept_~blastFlag~0 4) .cse0) (and (= (+ ssl3_accept_~s__verify_mode~0 4) 0) .cse0 .cse1) (and (not (= (+ ssl3_accept_~s__verify_mode~0 1) 0)) .cse0 .cse1 (= ssl3_accept_~s__session__peer~0 0)) (and (<= ssl3_accept_~blastFlag~0 18) (not (= ssl3_accept_~s__hit~0 0))))) [2020-10-14 10:11:06,551 INFO L264 CegarLoopResult]: At program point L138(lines 134 627) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8512)) (.cse1 (<= 8496 ssl3_accept_~s__state~0)) (.cse2 (<= ssl3_accept_~blastFlag~0 11))) (or (and .cse0 (<= ssl3_accept_~blastFlag~0 4) .cse1) (and (<= ssl3_accept_~blastFlag~0 18) (not (= ssl3_accept_~s__hit~0 0))) (and .cse0 (= (+ ssl3_accept_~s__verify_mode~0 4) 0) .cse1 .cse2) (and .cse0 (not (= (+ ssl3_accept_~s__verify_mode~0 1) 0)) .cse1 .cse2 (= ssl3_accept_~s__session__peer~0 0)))) [2020-10-14 10:11:06,551 INFO L268 CegarLoopResult]: For program point L535(lines 535 545) no Hoare annotation was computed. [2020-10-14 10:11:06,551 INFO L264 CegarLoopResult]: At program point L602(lines 98 657) the Hoare annotation is: (let ((.cse1 (<= ssl3_accept_~blastFlag~0 11)) (.cse0 (not (= (+ ssl3_accept_~s__verify_mode~0 1) 0))) (.cse2 (= ssl3_accept_~s__session__peer~0 0)) (.cse4 (<= 8448 ssl3_accept_~s__state~0)) (.cse5 (<= ssl3_accept_~blastFlag~0 12)) (.cse3 (= (+ ssl3_accept_~s__verify_mode~0 4) 0)) (.cse6 (<= ssl3_accept_~s__state~0 8448)) (.cse7 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 3))) (or (and .cse0 .cse1 .cse2) (<= ssl3_accept_~blastFlag~0 4) (<= ssl3_accept_~s__state~0 3) (and .cse3 .cse1) (and .cse4 .cse0 .cse5 .cse6 .cse7 .cse2) (and (<= ssl3_accept_~blastFlag~0 18) (not (= ssl3_accept_~s__hit~0 0))) (and .cse4 .cse5 .cse3 .cse6 .cse7))) [2020-10-14 10:11:06,552 INFO L268 CegarLoopResult]: For program point L569(lines 569 571) no Hoare annotation was computed. [2020-10-14 10:11:06,552 INFO L268 CegarLoopResult]: For program point L569-2(lines 207 601) no Hoare annotation was computed. [2020-10-14 10:11:06,552 INFO L268 CegarLoopResult]: For program point L437(lines 437 440) no Hoare annotation was computed. [2020-10-14 10:11:06,552 INFO L271 CegarLoopResult]: At program point L206(lines 205 604) the Hoare annotation is: true [2020-10-14 10:11:06,552 INFO L268 CegarLoopResult]: For program point L173(lines 173 614) no Hoare annotation was computed. [2020-10-14 10:11:06,552 INFO L268 CegarLoopResult]: For program point L140(lines 140 625) no Hoare annotation was computed. [2020-10-14 10:11:06,552 INFO L268 CegarLoopResult]: For program point L107(lines 107 636) no Hoare annotation was computed. [2020-10-14 10:11:06,552 INFO L268 CegarLoopResult]: For program point L504(lines 504 510) no Hoare annotation was computed. [2020-10-14 10:11:06,552 INFO L268 CegarLoopResult]: For program point L471(lines 471 473) no Hoare annotation was computed. [2020-10-14 10:11:06,552 INFO L268 CegarLoopResult]: For program point L504-2(lines 207 601) no Hoare annotation was computed. [2020-10-14 10:11:06,552 INFO L268 CegarLoopResult]: For program point L405(lines 405 407) no Hoare annotation was computed. [2020-10-14 10:11:06,552 INFO L268 CegarLoopResult]: For program point L471-2(lines 207 601) no Hoare annotation was computed. [2020-10-14 10:11:06,552 INFO L268 CegarLoopResult]: For program point L405-2(lines 401 414) no Hoare annotation was computed. [2020-10-14 10:11:06,552 INFO L268 CegarLoopResult]: For program point L273(lines 273 275) no Hoare annotation was computed. [2020-10-14 10:11:06,553 INFO L268 CegarLoopResult]: For program point L273-2(lines 207 601) no Hoare annotation was computed. [2020-10-14 10:11:06,553 INFO L268 CegarLoopResult]: For program point L538(lines 538 544) no Hoare annotation was computed. [2020-10-14 10:11:06,553 INFO L268 CegarLoopResult]: For program point L307(lines 307 309) no Hoare annotation was computed. [2020-10-14 10:11:06,553 INFO L268 CegarLoopResult]: For program point L307-2(lines 305 313) no Hoare annotation was computed. [2020-10-14 10:11:06,553 INFO L271 CegarLoopResult]: At program point ssl3_acceptENTRY(lines 10 670) the Hoare annotation is: true [2020-10-14 10:11:06,553 INFO L268 CegarLoopResult]: For program point L341(lines 341 367) no Hoare annotation was computed. [2020-10-14 10:11:06,553 INFO L268 CegarLoopResult]: For program point L242(lines 242 252) no Hoare annotation was computed. [2020-10-14 10:11:06,553 INFO L268 CegarLoopResult]: For program point L176(lines 176 613) no Hoare annotation was computed. [2020-10-14 10:11:06,553 INFO L268 CegarLoopResult]: For program point L143(lines 143 624) no Hoare annotation was computed. [2020-10-14 10:11:06,553 INFO L268 CegarLoopResult]: For program point L110(lines 110 635) no Hoare annotation was computed. [2020-10-14 10:11:06,554 INFO L268 CegarLoopResult]: For program point L639(lines 639 655) no Hoare annotation was computed. [2020-10-14 10:11:06,554 INFO L268 CegarLoopResult]: For program point L507(lines 507 509) no Hoare annotation was computed. [2020-10-14 10:11:06,554 INFO L268 CegarLoopResult]: For program point L243(lines 243 246) no Hoare annotation was computed. [2020-10-14 10:11:06,554 INFO L264 CegarLoopResult]: At program point L210(lines 104 637) the Hoare annotation is: (let ((.cse2 (not (= (+ ssl3_accept_~s__verify_mode~0 1) 0))) (.cse1 (<= 8496 ssl3_accept_~s__state~0)) (.cse5 (= ssl3_accept_~s__session__peer~0 0)) (.cse6 (= (+ ssl3_accept_~s__verify_mode~0 4) 0)) (.cse4 (<= ssl3_accept_~blastFlag~0 11)) (.cse0 (<= ssl3_accept_~blastFlag~0 4)) (.cse3 (<= ssl3_accept_~s__state~0 8448))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse1 .cse4) (and .cse2 .cse1 .cse4 .cse5) (and (<= ssl3_accept_~blastFlag~0 18) (not (= ssl3_accept_~s__hit~0 0))) (and .cse6 .cse3 .cse4) (and .cse0 .cse3))) [2020-10-14 10:11:06,554 INFO L264 CegarLoopResult]: At program point L177(lines 173 614) the Hoare annotation is: (let ((.cse0 (<= 8496 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~blastFlag~0 11))) (or (and (<= ssl3_accept_~blastFlag~0 4) .cse0) (and (= (+ ssl3_accept_~s__verify_mode~0 4) 0) .cse0 .cse1) (and (not (= (+ ssl3_accept_~s__verify_mode~0 1) 0)) .cse0 .cse1 (= ssl3_accept_~s__session__peer~0 0)) (and (<= ssl3_accept_~blastFlag~0 18) (not (= ssl3_accept_~s__hit~0 0))))) [2020-10-14 10:11:06,554 INFO L264 CegarLoopResult]: At program point L144(lines 140 625) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8528)) (.cse1 (<= 8496 ssl3_accept_~s__state~0)) (.cse2 (<= ssl3_accept_~blastFlag~0 11))) (or (and .cse0 (= (+ ssl3_accept_~s__verify_mode~0 4) 0) .cse1 .cse2) (and .cse0 (<= ssl3_accept_~blastFlag~0 4) .cse1) (and (<= ssl3_accept_~blastFlag~0 18) (not (= ssl3_accept_~s__hit~0 0))) (and (not (= (+ ssl3_accept_~s__verify_mode~0 1) 0)) .cse0 .cse1 .cse2 (= ssl3_accept_~s__session__peer~0 0)))) [2020-10-14 10:11:06,554 INFO L268 CegarLoopResult]: For program point L640(lines 640 654) no Hoare annotation was computed. [2020-10-14 10:11:06,555 INFO L268 CegarLoopResult]: For program point L541(lines 541 543) no Hoare annotation was computed. [2020-10-14 10:11:06,555 INFO L264 CegarLoopResult]: At program point L508(lines 71 669) the Hoare annotation is: false [2020-10-14 10:11:06,555 INFO L268 CegarLoopResult]: For program point L541-2(lines 207 601) no Hoare annotation was computed. [2020-10-14 10:11:06,555 INFO L268 CegarLoopResult]: For program point L641(lines 641 646) no Hoare annotation was computed. [2020-10-14 10:11:06,555 INFO L268 CegarLoopResult]: For program point L641-2(lines 640 654) no Hoare annotation was computed. [2020-10-14 10:11:06,555 INFO L268 CegarLoopResult]: For program point L344(lines 344 348) no Hoare annotation was computed. [2020-10-14 10:11:06,555 INFO L268 CegarLoopResult]: For program point L344-2(lines 344 348) no Hoare annotation was computed. [2020-10-14 10:11:06,555 INFO L268 CegarLoopResult]: For program point L179(lines 179 612) no Hoare annotation was computed. [2020-10-14 10:11:06,555 INFO L268 CegarLoopResult]: For program point L146(lines 146 623) no Hoare annotation was computed. [2020-10-14 10:11:06,556 INFO L268 CegarLoopResult]: For program point L113(lines 113 634) no Hoare annotation was computed. [2020-10-14 10:11:06,556 INFO L268 CegarLoopResult]: For program point L81(lines 81 87) no Hoare annotation was computed. [2020-10-14 10:11:06,556 INFO L268 CegarLoopResult]: For program point L643(lines 643 645) no Hoare annotation was computed. [2020-10-14 10:11:06,556 INFO L268 CegarLoopResult]: For program point L215(lines 215 217) no Hoare annotation was computed. [2020-10-14 10:11:06,556 INFO L268 CegarLoopResult]: For program point L182(lines 182 611) no Hoare annotation was computed. [2020-10-14 10:11:06,556 INFO L268 CegarLoopResult]: For program point L149(lines 149 622) no Hoare annotation was computed. [2020-10-14 10:11:06,556 INFO L268 CegarLoopResult]: For program point L215-2(lines 215 217) no Hoare annotation was computed. [2020-10-14 10:11:06,556 INFO L268 CegarLoopResult]: For program point L116(lines 116 633) no Hoare annotation was computed. [2020-10-14 10:11:06,556 INFO L268 CegarLoopResult]: For program point L579(lines 579 583) no Hoare annotation was computed. [2020-10-14 10:11:06,556 INFO L268 CegarLoopResult]: For program point L579-2(lines 579 583) no Hoare annotation was computed. [2020-10-14 10:11:06,556 INFO L268 CegarLoopResult]: For program point L381(lines 381 416) no Hoare annotation was computed. [2020-10-14 10:11:06,556 INFO L264 CegarLoopResult]: At program point L183(lines 179 612) the Hoare annotation is: (let ((.cse0 (<= 8496 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~blastFlag~0 11))) (or (and (<= ssl3_accept_~blastFlag~0 4) .cse0) (and (= (+ ssl3_accept_~s__verify_mode~0 4) 0) .cse0 .cse1) (and (not (= (+ ssl3_accept_~s__verify_mode~0 1) 0)) .cse0 .cse1 (= ssl3_accept_~s__session__peer~0 0)) (and (<= ssl3_accept_~blastFlag~0 18) (not (= ssl3_accept_~s__hit~0 0))))) [2020-10-14 10:11:06,557 INFO L264 CegarLoopResult]: At program point L150(lines 146 623) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8560)) (.cse1 (<= 8496 ssl3_accept_~s__state~0)) (.cse2 (<= ssl3_accept_~blastFlag~0 11))) (or (and .cse0 (not (= (+ ssl3_accept_~s__verify_mode~0 1) 0)) .cse1 .cse2 (= ssl3_accept_~s__session__peer~0 0)) (and .cse0 (<= ssl3_accept_~blastFlag~0 4) .cse1) (and .cse0 (= (+ ssl3_accept_~s__verify_mode~0 4) 0) .cse1 .cse2) (and (<= ssl3_accept_~blastFlag~0 18) (not (= ssl3_accept_~s__hit~0 0))))) [2020-10-14 10:11:06,557 INFO L268 CegarLoopResult]: For program point L84(lines 84 86) no Hoare annotation was computed. [2020-10-14 10:11:06,557 INFO L268 CegarLoopResult]: For program point L84-2(lines 81 87) no Hoare annotation was computed. [2020-10-14 10:11:06,557 INFO L268 CegarLoopResult]: For program point L448(lines 448 450) no Hoare annotation was computed. [2020-10-14 10:11:06,557 INFO L268 CegarLoopResult]: For program point L382(lines 382 388) no Hoare annotation was computed. [2020-10-14 10:11:06,557 INFO L268 CegarLoopResult]: For program point L448-2(lines 207 601) no Hoare annotation was computed. [2020-10-14 10:11:06,557 INFO L268 CegarLoopResult]: For program point L185(lines 185 610) no Hoare annotation was computed. [2020-10-14 10:11:06,557 INFO L268 CegarLoopResult]: For program point L152(lines 152 621) no Hoare annotation was computed. [2020-10-14 10:11:06,557 INFO L268 CegarLoopResult]: For program point L119(lines 119 632) no Hoare annotation was computed. [2020-10-14 10:11:06,557 INFO L268 CegarLoopResult]: For program point L648(lines 648 652) no Hoare annotation was computed. [2020-10-14 10:11:06,557 INFO L268 CegarLoopResult]: For program point L483(lines 483 485) no Hoare annotation was computed. [2020-10-14 10:11:06,557 INFO L268 CegarLoopResult]: For program point L483-2(lines 207 601) no Hoare annotation was computed. [2020-10-14 10:11:06,557 INFO L264 CegarLoopResult]: At program point L120(lines 116 633) the Hoare annotation is: (let ((.cse2 (<= ssl3_accept_~blastFlag~0 11)) (.cse0 (<= 8448 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~s__state~0 8496))) (or (and .cse0 .cse1 (= (+ ssl3_accept_~s__verify_mode~0 4) 0) .cse2) (and .cse0 .cse1 (not (= (+ ssl3_accept_~s__verify_mode~0 1) 0)) .cse2 (= ssl3_accept_~s__session__peer~0 0)) (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 4)) (and (<= ssl3_accept_~blastFlag~0 18) (not (= ssl3_accept_~s__hit~0 0))))) [2020-10-14 10:11:06,557 INFO L268 CegarLoopResult]: For program point L517(lines 517 521) no Hoare annotation was computed. [2020-10-14 10:11:06,558 INFO L268 CegarLoopResult]: For program point L517-2(lines 517 521) no Hoare annotation was computed. [2020-10-14 10:11:06,558 INFO L268 CegarLoopResult]: For program point L352(lines 352 363) no Hoare annotation was computed. [2020-10-14 10:11:06,558 INFO L268 CegarLoopResult]: For program point L286(lines 286 288) no Hoare annotation was computed. [2020-10-14 10:11:06,558 INFO L268 CegarLoopResult]: For program point L220(lines 220 222) no Hoare annotation was computed. [2020-10-14 10:11:06,558 INFO L268 CegarLoopResult]: For program point L286-2(lines 207 601) no Hoare annotation was computed. [2020-10-14 10:11:06,558 INFO L264 CegarLoopResult]: At program point L353(lines 329 374) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8560)) (.cse1 (<= 8496 ssl3_accept_~s__state~0)) (.cse2 (<= ssl3_accept_~blastFlag~0 11))) (or (and .cse0 (not (= (+ ssl3_accept_~s__verify_mode~0 1) 0)) .cse1 .cse2 (= ssl3_accept_~s__session__peer~0 0)) (and .cse0 (<= ssl3_accept_~blastFlag~0 4) .cse1) (and .cse0 (= (+ ssl3_accept_~s__verify_mode~0 4) 0) .cse1 .cse2) (and (<= ssl3_accept_~blastFlag~0 18) (not (= ssl3_accept_~s__hit~0 0))))) [2020-10-14 10:11:06,558 INFO L268 CegarLoopResult]: For program point L188(lines 188 609) no Hoare annotation was computed. [2020-10-14 10:11:06,558 INFO L268 CegarLoopResult]: For program point L155(lines 155 620) no Hoare annotation was computed. [2020-10-14 10:11:06,558 INFO L268 CegarLoopResult]: For program point L122(lines 122 631) no Hoare annotation was computed. [2020-10-14 10:11:06,559 INFO L268 CegarLoopResult]: For program point L89(lines 89 93) no Hoare annotation was computed. [2020-10-14 10:11:06,559 INFO L268 CegarLoopResult]: For program point L89-1(lines 71 669) no Hoare annotation was computed. [2020-10-14 10:11:06,559 INFO L268 CegarLoopResult]: For program point L552(lines 552 555) no Hoare annotation was computed. [2020-10-14 10:11:06,559 INFO L268 CegarLoopResult]: For program point ssl3_acceptEXIT(lines 10 670) no Hoare annotation was computed. [2020-10-14 10:11:06,559 INFO L264 CegarLoopResult]: At program point L189(lines 185 610) the Hoare annotation is: (let ((.cse0 (<= 8496 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~blastFlag~0 11))) (or (and (<= ssl3_accept_~blastFlag~0 4) .cse0) (and (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~blastFlag~0 20)) (and (= (+ ssl3_accept_~s__verify_mode~0 4) 0) .cse0 .cse1) (and (not (= (+ ssl3_accept_~s__verify_mode~0 1) 0)) .cse0 .cse1 (= ssl3_accept_~s__session__peer~0 0)))) [2020-10-14 10:11:06,559 INFO L264 CegarLoopResult]: At program point L156(lines 152 621) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8560)) (.cse1 (<= 8496 ssl3_accept_~s__state~0)) (.cse2 (<= ssl3_accept_~blastFlag~0 11))) (or (and .cse0 (not (= (+ ssl3_accept_~s__verify_mode~0 1) 0)) .cse1 .cse2 (= ssl3_accept_~s__session__peer~0 0)) (and .cse0 (<= ssl3_accept_~blastFlag~0 4) .cse1) (and .cse0 (= (+ ssl3_accept_~s__verify_mode~0 4) 0) .cse1 .cse2) (and (<= ssl3_accept_~blastFlag~0 18) (not (= ssl3_accept_~s__hit~0 0))))) [2020-10-14 10:11:06,559 INFO L271 CegarLoopResult]: At program point L123(lines 122 631) the Hoare annotation is: true [2020-10-14 10:11:06,559 INFO L268 CegarLoopResult]: For program point L90(lines 90 92) no Hoare annotation was computed. [2020-10-14 10:11:06,559 INFO L268 CegarLoopResult]: For program point L454(lines 454 466) no Hoare annotation was computed. [2020-10-14 10:11:06,559 INFO L268 CegarLoopResult]: For program point L355(lines 355 357) no Hoare annotation was computed. [2020-10-14 10:11:06,559 INFO L268 CegarLoopResult]: For program point L355-2(lines 352 361) no Hoare annotation was computed. [2020-10-14 10:11:06,559 INFO L268 CegarLoopResult]: For program point L323(lines 323 327) no Hoare annotation was computed. [2020-10-14 10:11:06,559 INFO L268 CegarLoopResult]: For program point L323-2(lines 207 601) no Hoare annotation was computed. [2020-10-14 10:11:06,559 INFO L268 CegarLoopResult]: For program point L191(lines 191 608) no Hoare annotation was computed. [2020-10-14 10:11:06,560 INFO L268 CegarLoopResult]: For program point L158(lines 158 619) no Hoare annotation was computed. [2020-10-14 10:11:06,560 INFO L268 CegarLoopResult]: For program point L125(lines 125 630) no Hoare annotation was computed. [2020-10-14 10:11:06,560 INFO L268 CegarLoopResult]: For program point ssl3_acceptFINAL(lines 10 670) no Hoare annotation was computed. [2020-10-14 10:11:06,560 INFO L264 CegarLoopResult]: At program point L390(lines 381 416) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8560)) (.cse1 (<= 8496 ssl3_accept_~s__state~0)) (.cse2 (<= ssl3_accept_~blastFlag~0 11))) (or (and .cse0 (not (= (+ ssl3_accept_~s__verify_mode~0 1) 0)) .cse1 .cse2 (= ssl3_accept_~s__session__peer~0 0)) (and .cse0 (= (+ ssl3_accept_~s__verify_mode~0 4) 0) .cse1 .cse2) (and (<= ssl3_accept_~blastFlag~0 18) (not (= ssl3_accept_~s__hit~0 0))))) [2020-10-14 10:11:06,560 INFO L268 CegarLoopResult]: For program point L258(lines 258 260) no Hoare annotation was computed. [2020-10-14 10:11:06,560 INFO L268 CegarLoopResult]: For program point L225(lines 225 236) no Hoare annotation was computed. [2020-10-14 10:11:06,560 INFO L268 CegarLoopResult]: For program point L225-2(lines 207 601) no Hoare annotation was computed. [2020-10-14 10:11:06,560 INFO L268 CegarLoopResult]: For program point L589(lines 589 595) no Hoare annotation was computed. [2020-10-14 10:11:06,560 INFO L268 CegarLoopResult]: For program point L589-1(lines 589 595) no Hoare annotation was computed. [2020-10-14 10:11:06,560 INFO L268 CegarLoopResult]: For program point L292(lines 292 296) no Hoare annotation was computed. [2020-10-14 10:11:06,560 INFO L268 CegarLoopResult]: For program point L292-2(lines 292 296) no Hoare annotation was computed. [2020-10-14 10:11:06,560 INFO L268 CegarLoopResult]: For program point L458(lines 458 460) no Hoare annotation was computed. [2020-10-14 10:11:06,560 INFO L268 CegarLoopResult]: For program point L458-2(lines 456 466) no Hoare annotation was computed. [2020-10-14 10:11:06,560 INFO L268 CegarLoopResult]: For program point L227(lines 227 230) no Hoare annotation was computed. [2020-10-14 10:11:06,560 INFO L268 CegarLoopResult]: For program point L194(lines 194 607) no Hoare annotation was computed. [2020-10-14 10:11:06,561 INFO L268 CegarLoopResult]: For program point L161(lines 161 618) no Hoare annotation was computed. [2020-10-14 10:11:06,561 INFO L268 CegarLoopResult]: For program point L128(lines 128 629) no Hoare annotation was computed. [2020-10-14 10:11:06,561 INFO L268 CegarLoopResult]: For program point L426(lines 426 428) no Hoare annotation was computed. [2020-10-14 10:11:06,561 INFO L268 CegarLoopResult]: For program point L393(lines 393 414) no Hoare annotation was computed. [2020-10-14 10:11:06,561 INFO L264 CegarLoopResult]: At program point L195(lines 191 608) the Hoare annotation is: (let ((.cse0 (<= 8496 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~blastFlag~0 11))) (or (and (<= ssl3_accept_~blastFlag~0 4) .cse0) (and (= (+ ssl3_accept_~s__verify_mode~0 4) 0) .cse0 .cse1) (and (not (= (+ ssl3_accept_~s__verify_mode~0 1) 0)) .cse0 .cse1 (= ssl3_accept_~s__session__peer~0 0)) (and (<= ssl3_accept_~blastFlag~0 18) (not (= ssl3_accept_~s__hit~0 0))))) [2020-10-14 10:11:06,561 INFO L264 CegarLoopResult]: At program point L162(lines 158 619) the Hoare annotation is: (let ((.cse0 (<= 8496 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~blastFlag~0 11))) (or (and (<= ssl3_accept_~blastFlag~0 4) .cse0) (and (= (+ ssl3_accept_~s__verify_mode~0 4) 0) .cse0 .cse1) (and (not (= (+ ssl3_accept_~s__verify_mode~0 1) 0)) .cse0 .cse1 (= ssl3_accept_~s__session__peer~0 0)) (and (<= ssl3_accept_~blastFlag~0 18) (not (= ssl3_accept_~s__hit~0 0))))) [2020-10-14 10:11:06,561 INFO L271 CegarLoopResult]: At program point L658(lines 97 659) the Hoare annotation is: true [2020-10-14 10:11:06,561 INFO L268 CegarLoopResult]: For program point L592(lines 592 594) no Hoare annotation was computed. [2020-10-14 10:11:06,561 INFO L268 CegarLoopResult]: For program point L394(lines 394 400) no Hoare annotation was computed. [2020-10-14 10:11:06,561 INFO L268 CegarLoopResult]: For program point L560(lines 560 574) no Hoare annotation was computed. [2020-10-14 10:11:06,561 INFO L268 CegarLoopResult]: For program point L527(lines 527 530) no Hoare annotation was computed. [2020-10-14 10:11:06,561 INFO L268 CegarLoopResult]: For program point L197(lines 197 606) no Hoare annotation was computed. [2020-10-14 10:11:06,561 INFO L268 CegarLoopResult]: For program point L164(lines 164 617) no Hoare annotation was computed. [2020-10-14 10:11:06,561 INFO L268 CegarLoopResult]: For program point L131(lines 131 628) no Hoare annotation was computed. [2020-10-14 10:11:06,562 INFO L268 CegarLoopResult]: For program point ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION(line 667) no Hoare annotation was computed. [2020-10-14 10:11:06,562 INFO L264 CegarLoopResult]: At program point L98-2(lines 98 657) the Hoare annotation is: (let ((.cse1 (<= ssl3_accept_~blastFlag~0 11)) (.cse0 (not (= (+ ssl3_accept_~s__verify_mode~0 1) 0))) (.cse2 (= ssl3_accept_~s__session__peer~0 0)) (.cse4 (<= 8448 ssl3_accept_~s__state~0)) (.cse5 (<= ssl3_accept_~blastFlag~0 12)) (.cse3 (= (+ ssl3_accept_~s__verify_mode~0 4) 0)) (.cse6 (<= ssl3_accept_~s__state~0 8448)) (.cse7 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 3))) (or (and .cse0 .cse1 .cse2) (<= ssl3_accept_~blastFlag~0 4) (<= ssl3_accept_~s__state~0 3) (and .cse3 .cse1) (and .cse4 .cse0 .cse5 .cse6 .cse7 .cse2) (and (<= ssl3_accept_~blastFlag~0 18) (not (= ssl3_accept_~s__hit~0 0))) (and .cse4 .cse5 .cse3 .cse6 .cse7))) [2020-10-14 10:11:06,562 INFO L268 CegarLoopResult]: For program point L495(lines 495 513) no Hoare annotation was computed. [2020-10-14 10:11:06,562 INFO L268 CegarLoopResult]: For program point L231(lines 231 234) no Hoare annotation was computed. [2020-10-14 10:11:06,562 INFO L264 CegarLoopResult]: At program point L165(lines 164 617) the Hoare annotation is: (let ((.cse0 (<= 8448 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~s__state~0 8448)) (.cse2 (<= ssl3_accept_~blastFlag~0 11))) (or (and .cse0 (<= ssl3_accept_~blastFlag~0 4) .cse1) (and .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 3)) (and (<= ssl3_accept_~blastFlag~0 18) (not (= ssl3_accept_~s__hit~0 0))) (and .cse0 (not (= (+ ssl3_accept_~s__verify_mode~0 1) 0)) .cse1 .cse2 (= ssl3_accept_~s__session__peer~0 0)) (and .cse0 (= (+ ssl3_accept_~s__verify_mode~0 4) 0) .cse1 .cse2))) [2020-10-14 10:11:06,562 INFO L264 CegarLoopResult]: At program point L132(lines 125 630) the Hoare annotation is: (let ((.cse2 (<= ssl3_accept_~blastFlag~0 11)) (.cse0 (<= 8448 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~s__state~0 8496))) (or (and .cse0 .cse1 (= (+ ssl3_accept_~s__verify_mode~0 4) 0) .cse2) (and .cse0 .cse1 (not (= (+ ssl3_accept_~s__verify_mode~0 1) 0)) .cse2 (= ssl3_accept_~s__session__peer~0 0)) (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 4)) (and (<= ssl3_accept_~blastFlag~0 18) (not (= ssl3_accept_~s__hit~0 0))))) [2020-10-14 10:11:06,562 INFO L268 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-14 10:11:06,562 INFO L268 CegarLoopResult]: For program point L563(lines 563 573) no Hoare annotation was computed. [2020-10-14 10:11:06,562 INFO L268 CegarLoopResult]: For program point L332(lines 332 373) no Hoare annotation was computed. [2020-10-14 10:11:06,562 INFO L268 CegarLoopResult]: For program point L200(lines 200 605) no Hoare annotation was computed. [2020-10-14 10:11:06,562 INFO L268 CegarLoopResult]: For program point L167(lines 167 616) no Hoare annotation was computed. [2020-10-14 10:11:06,562 INFO L268 CegarLoopResult]: For program point L134(lines 134 627) no Hoare annotation was computed. [2020-10-14 10:11:06,562 INFO L268 CegarLoopResult]: For program point L101(lines 101 638) no Hoare annotation was computed. [2020-10-14 10:11:06,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 10:11:06 BoogieIcfgContainer [2020-10-14 10:11:06,593 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 10:11:06,595 INFO L168 Benchmark]: Toolchain (without parser) took 156880.96 ms. Allocated memory was 148.9 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 102.7 MB in the beginning and 2.4 GB in the end (delta: -2.3 GB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2020-10-14 10:11:06,595 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 148.9 MB. Free memory was 122.2 MB in the beginning and 121.8 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. [2020-10-14 10:11:06,596 INFO L168 Benchmark]: CACSL2BoogieTranslator took 685.00 ms. Allocated memory was 148.9 MB in the beginning and 206.0 MB in the end (delta: 57.1 MB). Free memory was 102.7 MB in the beginning and 180.3 MB in the end (delta: -77.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. [2020-10-14 10:11:06,596 INFO L168 Benchmark]: Boogie Preprocessor took 61.31 ms. Allocated memory is still 206.0 MB. Free memory was 180.3 MB in the beginning and 177.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2020-10-14 10:11:06,597 INFO L168 Benchmark]: RCFGBuilder took 860.20 ms. Allocated memory is still 206.0 MB. Free memory was 177.5 MB in the beginning and 122.7 MB in the end (delta: 54.9 MB). Peak memory consumption was 54.9 MB. Max. memory is 7.1 GB. [2020-10-14 10:11:06,597 INFO L168 Benchmark]: TraceAbstraction took 155265.46 ms. Allocated memory was 206.0 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 121.8 MB in the beginning and 2.4 GB in the end (delta: -2.3 GB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2020-10-14 10:11:06,599 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 148.9 MB. Free memory was 122.2 MB in the beginning and 121.8 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 685.00 ms. Allocated memory was 148.9 MB in the beginning and 206.0 MB in the end (delta: 57.1 MB). Free memory was 102.7 MB in the beginning and 180.3 MB in the end (delta: -77.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 61.31 ms. Allocated memory is still 206.0 MB. Free memory was 180.3 MB in the beginning and 177.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 860.20 ms. Allocated memory is still 206.0 MB. Free memory was 177.5 MB in the beginning and 122.7 MB in the end (delta: 54.9 MB). Peak memory consumption was 54.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 155265.46 ms. Allocated memory was 206.0 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 121.8 MB in the beginning and 2.4 GB in the end (delta: -2.3 GB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 667]: 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: 203]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: (((blastFlag <= 4 && 8496 <= s__state) || ((s__verify_mode + 4 == 0 && 8496 <= s__state) && blastFlag <= 11)) || (((!(s__verify_mode + 1 == 0) && 8496 <= s__state) && blastFlag <= 11) && s__session__peer == 0)) || (blastFlag <= 18 && !(s__hit == 0)) - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: (((((8448 <= s__state && s__state <= 8496) && s__verify_mode + 4 == 0) && blastFlag <= 11) || ((((8448 <= s__state && s__state <= 8496) && !(s__verify_mode + 1 == 0)) && blastFlag <= 11) && s__session__peer == 0)) || ((8448 <= s__state && s__state <= 8496) && blastFlag <= 4)) || (blastFlag <= 18 && !(s__hit == 0)) - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: (((blastFlag <= 4 && 8496 <= s__state) || ((s__verify_mode + 4 == 0 && 8496 <= s__state) && blastFlag <= 11)) || (((!(s__verify_mode + 1 == 0) && 8496 <= s__state) && blastFlag <= 11) && s__session__peer == 0)) || (blastFlag <= 18 && !(s__hit == 0)) - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: (((((s__state <= 8528 && s__verify_mode + 4 == 0) && 8496 <= s__state) && blastFlag <= 11) || ((s__state <= 8528 && blastFlag <= 4) && 8496 <= s__state)) || (blastFlag <= 18 && !(s__hit == 0))) || ((((!(s__verify_mode + 1 == 0) && s__state <= 8528) && 8496 <= s__state) && blastFlag <= 11) && s__session__peer == 0) - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (((blastFlag <= 4 && 8496 <= s__state) || ((s__verify_mode + 4 == 0 && 8496 <= s__state) && blastFlag <= 11)) || (((!(s__verify_mode + 1 == 0) && 8496 <= s__state) && blastFlag <= 11) && s__session__peer == 0)) || (blastFlag <= 18 && !(s__hit == 0)) - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: (((blastFlag <= 4 && 8496 <= s__state) || ((s__verify_mode + 4 == 0 && 8496 <= s__state) && blastFlag <= 11)) || (((!(s__verify_mode + 1 == 0) && 8496 <= s__state) && blastFlag <= 11) && s__session__peer == 0)) || (blastFlag <= 18 && !(s__hit == 0)) - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: ((((((blastFlag <= 4 && 8496 <= s__state) || (((!(s__verify_mode + 1 == 0) && s__state <= 8448) && blastFlag <= 11) && s__session__peer == 0)) || ((s__verify_mode + 4 == 0 && 8496 <= s__state) && blastFlag <= 11)) || (((!(s__verify_mode + 1 == 0) && 8496 <= s__state) && blastFlag <= 11) && s__session__peer == 0)) || (blastFlag <= 18 && !(s__hit == 0))) || ((s__verify_mode + 4 == 0 && s__state <= 8448) && blastFlag <= 11)) || (blastFlag <= 4 && s__state <= 8448) - InvariantResult [Line: 393]: Loop Invariant Derived loop invariant: (((((s__state <= 8560 && !(s__verify_mode + 1 == 0)) && 8496 <= s__state) && blastFlag <= 11) && s__session__peer == 0) || (((s__state <= 8560 && s__verify_mode + 4 == 0) && 8496 <= s__state) && blastFlag <= 11)) || (blastFlag <= 18 && !(s__hit == 0)) - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: (((blastFlag <= 4 && 8496 <= s__state) || ((s__verify_mode + 4 == 0 && 8496 <= s__state) && blastFlag <= 11)) || (((!(s__verify_mode + 1 == 0) && 8496 <= s__state) && blastFlag <= 11) && s__session__peer == 0)) || (blastFlag <= 18 && !(s__hit == 0)) - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: ((((((s__state <= 8560 && !(s__verify_mode + 1 == 0)) && 8496 <= s__state) && blastFlag <= 11) && s__session__peer == 0) || ((s__state <= 8560 && blastFlag <= 4) && 8496 <= s__state)) || (((s__state <= 8560 && s__verify_mode + 4 == 0) && 8496 <= s__state) && blastFlag <= 11)) || (blastFlag <= 18 && !(s__hit == 0)) - InvariantResult [Line: 329]: Loop Invariant Derived loop invariant: ((((((s__state <= 8560 && !(s__verify_mode + 1 == 0)) && 8496 <= s__state) && blastFlag <= 11) && s__session__peer == 0) || ((s__state <= 8560 && blastFlag <= 4) && 8496 <= s__state)) || (((s__state <= 8560 && s__verify_mode + 4 == 0) && 8496 <= s__state) && blastFlag <= 11)) || (blastFlag <= 18 && !(s__hit == 0)) - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: (((blastFlag <= 4 && 8496 <= s__state) || ((s__verify_mode + 4 == 0 && 8496 <= s__state) && blastFlag <= 11)) || (((!(s__verify_mode + 1 == 0) && 8496 <= s__state) && blastFlag <= 11) && s__session__peer == 0)) || (blastFlag <= 18 && !(s__hit == 0)) - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: (((((8448 <= s__state && s__state <= 8496) && s__verify_mode + 4 == 0) && blastFlag <= 11) || ((((8448 <= s__state && s__state <= 8496) && !(s__verify_mode + 1 == 0)) && blastFlag <= 11) && s__session__peer == 0)) || ((8448 <= s__state && s__state <= 8496) && blastFlag <= 4)) || (blastFlag <= 18 && !(s__hit == 0)) - InvariantResult [Line: 98]: Loop Invariant Derived loop invariant: (((((((!(s__verify_mode + 1 == 0) && blastFlag <= 11) && s__session__peer == 0) || blastFlag <= 4) || s__state <= 3) || (s__verify_mode + 4 == 0 && blastFlag <= 11)) || (((((8448 <= s__state && !(s__verify_mode + 1 == 0)) && blastFlag <= 12) && s__state <= 8448) && s__s3__tmp__next_state___0 <= 3) && s__session__peer == 0)) || (blastFlag <= 18 && !(s__hit == 0))) || ((((8448 <= s__state && blastFlag <= 12) && s__verify_mode + 4 == 0) && s__state <= 8448) && s__s3__tmp__next_state___0 <= 3) - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: (((((8448 <= s__state && blastFlag <= 4) && s__state <= 8448) || (s__state <= 8448 && s__s3__tmp__next_state___0 <= 3)) || (blastFlag <= 18 && !(s__hit == 0))) || ((((8448 <= s__state && !(s__verify_mode + 1 == 0)) && s__state <= 8448) && blastFlag <= 11) && s__session__peer == 0)) || (((8448 <= s__state && s__verify_mode + 4 == 0) && s__state <= 8448) && blastFlag <= 11) - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: (((((s__state <= 8560 && !(s__verify_mode + 1 == 0)) && 8496 <= s__state) && blastFlag <= 11) && s__session__peer == 0) || (((s__state <= 8560 && s__verify_mode + 4 == 0) && 8496 <= s__state) && blastFlag <= 11)) || (blastFlag <= 18 && !(s__hit == 0)) - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: ((((((s__state <= 8560 && !(s__verify_mode + 1 == 0)) && 8496 <= s__state) && blastFlag <= 11) && s__session__peer == 0) || ((s__state <= 8560 && blastFlag <= 4) && 8496 <= s__state)) || (((s__state <= 8560 && s__verify_mode + 4 == 0) && 8496 <= s__state) && blastFlag <= 11)) || (blastFlag <= 18 && !(s__hit == 0)) - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: (((blastFlag <= 4 && 8496 <= s__state) || (!(s__hit == 0) && blastFlag <= 20)) || ((s__verify_mode + 4 == 0 && 8496 <= s__state) && blastFlag <= 11)) || (((!(s__verify_mode + 1 == 0) && 8496 <= s__state) && blastFlag <= 11) && s__session__peer == 0) - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: ((((s__state <= 8512 && blastFlag <= 4) && 8496 <= s__state) || (blastFlag <= 18 && !(s__hit == 0))) || (((s__state <= 8512 && s__verify_mode + 4 == 0) && 8496 <= s__state) && blastFlag <= 11)) || ((((s__state <= 8512 && !(s__verify_mode + 1 == 0)) && 8496 <= s__state) && blastFlag <= 11) && s__session__peer == 0) - InvariantResult [Line: 98]: Loop Invariant Derived loop invariant: (((((((!(s__verify_mode + 1 == 0) && blastFlag <= 11) && s__session__peer == 0) || blastFlag <= 4) || s__state <= 3) || (s__verify_mode + 4 == 0 && blastFlag <= 11)) || (((((8448 <= s__state && !(s__verify_mode + 1 == 0)) && blastFlag <= 12) && s__state <= 8448) && s__s3__tmp__next_state___0 <= 3) && s__session__peer == 0)) || (blastFlag <= 18 && !(s__hit == 0))) || ((((8448 <= s__state && blastFlag <= 12) && s__verify_mode + 4 == 0) && s__state <= 8448) && s__s3__tmp__next_state___0 <= 3) - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: (((blastFlag <= 4 && 8496 <= s__state) || ((s__verify_mode + 4 == 0 && 8496 <= s__state) && blastFlag <= 11)) || (((!(s__verify_mode + 1 == 0) && 8496 <= s__state) && blastFlag <= 11) && s__session__peer == 0)) || (blastFlag <= 18 && !(s__hit == 0)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 166 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 147.0s, OverallIterations: 36, TraceHistogramMax: 44, AutomataDifference: 9.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 8809 SDtfs, 4737 SDslu, 6265 SDs, 0 SdLazy, 2852 SolverSat, 1035 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 183 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41191occurred in iteration=34, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.7s AutomataMinimizationTime, 36 MinimizatonAttempts, 13598 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 2498 NumberOfFragments, 1113 HoareAnnotationTreeSize, 32 FomulaSimplifications, 242678 FormulaSimplificationTreeSizeReduction, 4.3s HoareSimplificationTime, 32 FomulaSimplificationsInter, 14678 FormulaSimplificationTreeSizeReductionInter, 3.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 121.4s InterpolantComputationTime, 21713 NumberOfCodeBlocks, 21713 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 21677 ConstructedInterpolants, 0 QuantifiedInterpolants, 24832322 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 36 InterpolantComputations, 35 PerfectInterpolantSequences, 187397/187423 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...