/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_2.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 10:08:19,350 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 10:08:19,354 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 10:08:19,399 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 10:08:19,400 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 10:08:19,411 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 10:08:19,413 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 10:08:19,416 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 10:08:19,418 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 10:08:19,422 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 10:08:19,423 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 10:08:19,425 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 10:08:19,425 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 10:08:19,428 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 10:08:19,430 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 10:08:19,432 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 10:08:19,434 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 10:08:19,435 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 10:08:19,436 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 10:08:19,443 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 10:08:19,444 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 10:08:19,448 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 10:08:19,450 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 10:08:19,451 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 10:08:19,455 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 10:08:19,456 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 10:08:19,456 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 10:08:19,459 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 10:08:19,459 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 10:08:19,460 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 10:08:19,460 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 10:08:19,461 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 10:08:19,462 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 10:08:19,462 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 10:08:19,464 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 10:08:19,464 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 10:08:19,464 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 10:08:19,465 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 10:08:19,465 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 10:08:19,466 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 10:08:19,467 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 10:08:19,468 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 10:08:19,514 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 10:08:19,515 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 10:08:19,517 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 10:08:19,517 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 10:08:19,517 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 10:08:19,518 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 10:08:19,518 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 10:08:19,518 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 10:08:19,518 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 10:08:19,518 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 10:08:19,520 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 10:08:19,520 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 10:08:19,520 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 10:08:19,521 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 10:08:19,521 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 10:08:19,521 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 10:08:19,521 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 10:08:19,521 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 10:08:19,522 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 10:08:19,522 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 10:08:19,522 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 10:08:19,522 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 10:08:19,523 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 10:08:19,523 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 10:08:19,523 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 10:08:19,523 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 10:08:19,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 10:08:19,524 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 10:08:19,524 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 10:08:19,524 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 10:08:19,821 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 10:08:19,834 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 10:08:19,838 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 10:08:19,839 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 10:08:19,840 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 10:08:19,841 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh-simplified/s3_srvr_2.cil-1.c [2020-10-14 10:08:19,911 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1b40a8745/4610c4d2013b4487a2cedeb4122d2123/FLAG0825c8ab1 [2020-10-14 10:08:20,430 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 10:08:20,431 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ssh-simplified/s3_srvr_2.cil-1.c [2020-10-14 10:08:20,444 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1b40a8745/4610c4d2013b4487a2cedeb4122d2123/FLAG0825c8ab1 [2020-10-14 10:08:20,754 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1b40a8745/4610c4d2013b4487a2cedeb4122d2123 [2020-10-14 10:08:20,765 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 10:08:20,767 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 10:08:20,768 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 10:08:20,768 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 10:08:20,773 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 10:08:20,774 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:08:20" (1/1) ... [2020-10-14 10:08:20,778 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16575b39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:20, skipping insertion in model container [2020-10-14 10:08:20,778 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:08:20" (1/1) ... [2020-10-14 10:08:20,787 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 10:08:20,825 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 10:08:21,107 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 10:08:21,111 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 10:08:21,285 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 10:08:21,305 INFO L208 MainTranslator]: Completed translation [2020-10-14 10:08:21,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:21 WrapperNode [2020-10-14 10:08:21,306 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 10:08:21,306 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 10:08:21,307 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 10:08:21,307 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 10:08:21,317 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:21" (1/1) ... [2020-10-14 10:08:21,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:21" (1/1) ... [2020-10-14 10:08:21,326 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:21" (1/1) ... [2020-10-14 10:08:21,334 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:21" (1/1) ... [2020-10-14 10:08:21,347 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:21" (1/1) ... [2020-10-14 10:08:21,360 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:21" (1/1) ... [2020-10-14 10:08:21,364 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:21" (1/1) ... [2020-10-14 10:08:21,369 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 10:08:21,369 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 10:08:21,370 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 10:08:21,370 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 10:08:21,371 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:21" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 10:08:21,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 10:08:21,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 10:08:21,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2020-10-14 10:08:21,441 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 10:08:21,441 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 10:08:21,441 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-14 10:08:21,442 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 10:08:21,442 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-14 10:08:21,442 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2020-10-14 10:08:21,442 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 10:08:21,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 10:08:21,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 10:08:21,632 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-14 10:08:22,156 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2020-10-14 10:08:22,156 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2020-10-14 10:08:22,168 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 10:08:22,168 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 10:08:22,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:08:22 BoogieIcfgContainer [2020-10-14 10:08:22,175 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 10:08:22,177 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 10:08:22,177 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 10:08:22,180 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 10:08:22,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 10:08:20" (1/3) ... [2020-10-14 10:08:22,181 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ba94201 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:08:22, skipping insertion in model container [2020-10-14 10:08:22,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:21" (2/3) ... [2020-10-14 10:08:22,182 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ba94201 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:08:22, skipping insertion in model container [2020-10-14 10:08:22,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:08:22" (3/3) ... [2020-10-14 10:08:22,184 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_srvr_2.cil-1.c [2020-10-14 10:08:22,195 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 10:08:22,204 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 10:08:22,219 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 10:08:22,247 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 10:08:22,247 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 10:08:22,247 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 10:08:22,248 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 10:08:22,248 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 10:08:22,248 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 10:08:22,249 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 10:08:22,249 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 10:08:22,283 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states. [2020-10-14 10:08:22,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-10-14 10:08:22,303 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:22,305 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 10:08:22,305 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:22,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:22,312 INFO L82 PathProgramCache]: Analyzing trace with hash 1127072202, now seen corresponding path program 1 times [2020-10-14 10:08:22,322 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:22,322 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1615787596] [2020-10-14 10:08:22,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:22,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:22,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:22,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:22,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:23,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:23,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-14 10:08:23,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 10:08:23,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 559 [2020-10-14 10:08:23,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:23,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:23,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:23,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-14 10:08:23,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-14 10:08:23,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 10:08:23,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:23,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:23,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:23,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:23,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:23,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:23,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:08:23,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:23,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:23,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:23,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:23,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:23,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 10:08:23,145 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 10:08:23,146 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1615787596] [2020-10-14 10:08:23,148 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:23,149 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:23,150 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717205082] [2020-10-14 10:08:23,158 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:23,159 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:23,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:23,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:23,176 INFO L87 Difference]: Start difference. First operand 149 states. Second operand 3 states. [2020-10-14 10:08:23,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:23,305 INFO L93 Difference]: Finished difference Result 414 states and 702 transitions. [2020-10-14 10:08:23,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:23,307 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 49 [2020-10-14 10:08:23,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:23,323 INFO L225 Difference]: With dead ends: 414 [2020-10-14 10:08:23,323 INFO L226 Difference]: Without dead ends: 251 [2020-10-14 10:08:23,328 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 10:08:23,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2020-10-14 10:08:23,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 251. [2020-10-14 10:08:23,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251 states. [2020-10-14 10:08:23,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 380 transitions. [2020-10-14 10:08:23,397 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 380 transitions. Word has length 49 [2020-10-14 10:08:23,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:23,398 INFO L479 AbstractCegarLoop]: Abstraction has 251 states and 380 transitions. [2020-10-14 10:08:23,398 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:23,398 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 380 transitions. [2020-10-14 10:08:23,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-10-14 10:08:23,402 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:23,403 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 10:08:23,403 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 10:08:23,403 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:23,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:23,404 INFO L82 PathProgramCache]: Analyzing trace with hash -146505943, now seen corresponding path program 1 times [2020-10-14 10:08:23,404 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:23,405 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1199421077] [2020-10-14 10:08:23,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:23,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:23,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:23,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:23,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:23,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:23,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 10:08:23,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 10:08:23,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 164 [2020-10-14 10:08:23,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:23,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:23,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:23,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-14 10:08:23,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-14 10:08:23,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:23,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:23,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:23,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:23,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:23,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:23,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:23,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:08:23,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:23,642 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:23,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:23,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:23,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:23,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:23,654 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 10:08:23,655 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1199421077] [2020-10-14 10:08:23,655 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:23,655 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:23,656 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590006598] [2020-10-14 10:08:23,657 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:23,658 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:23,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:23,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:23,659 INFO L87 Difference]: Start difference. First operand 251 states and 380 transitions. Second operand 3 states. [2020-10-14 10:08:23,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:23,719 INFO L93 Difference]: Finished difference Result 489 states and 747 transitions. [2020-10-14 10:08:23,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:23,720 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-10-14 10:08:23,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:23,724 INFO L225 Difference]: With dead ends: 489 [2020-10-14 10:08:23,724 INFO L226 Difference]: Without dead ends: 369 [2020-10-14 10:08:23,726 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 10:08:23,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2020-10-14 10:08:23,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 369. [2020-10-14 10:08:23,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 369 states. [2020-10-14 10:08:23,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 560 transitions. [2020-10-14 10:08:23,755 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 560 transitions. Word has length 65 [2020-10-14 10:08:23,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:23,756 INFO L479 AbstractCegarLoop]: Abstraction has 369 states and 560 transitions. [2020-10-14 10:08:23,756 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:23,756 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 560 transitions. [2020-10-14 10:08:23,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-10-14 10:08:23,761 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:23,762 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 10:08:23,762 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 10:08:23,762 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:23,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:23,763 INFO L82 PathProgramCache]: Analyzing trace with hash 1972825086, now seen corresponding path program 1 times [2020-10-14 10:08:23,763 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:23,764 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1292206758] [2020-10-14 10:08:23,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:23,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:23,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:23,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:23,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:24,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:24,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-10-14 10:08:24,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 10:08:24,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 250 [2020-10-14 10:08:24,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:24,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:24,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:24,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-10-14 10:08:24,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-14 10:08:24,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:24,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:24,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:24,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:24,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:24,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:24,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:24,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:08:24,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:24,125 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:24,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:24,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:24,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:24,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 10:08:24,138 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 10:08:24,138 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1292206758] [2020-10-14 10:08:24,139 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:24,140 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:24,141 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821942917] [2020-10-14 10:08:24,141 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:24,142 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:24,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:24,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:24,143 INFO L87 Difference]: Start difference. First operand 369 states and 560 transitions. Second operand 3 states. [2020-10-14 10:08:24,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:24,231 INFO L93 Difference]: Finished difference Result 725 states and 1107 transitions. [2020-10-14 10:08:24,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:24,232 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 86 [2020-10-14 10:08:24,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:24,237 INFO L225 Difference]: With dead ends: 725 [2020-10-14 10:08:24,238 INFO L226 Difference]: Without dead ends: 487 [2020-10-14 10:08:24,242 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 10:08:24,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2020-10-14 10:08:24,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 487. [2020-10-14 10:08:24,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 487 states. [2020-10-14 10:08:24,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 741 transitions. [2020-10-14 10:08:24,291 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 741 transitions. Word has length 86 [2020-10-14 10:08:24,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:24,292 INFO L479 AbstractCegarLoop]: Abstraction has 487 states and 741 transitions. [2020-10-14 10:08:24,292 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:24,293 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 741 transitions. [2020-10-14 10:08:24,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-14 10:08:24,300 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:24,301 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:08:24,301 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 10:08:24,306 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:24,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:24,307 INFO L82 PathProgramCache]: Analyzing trace with hash -1681254182, now seen corresponding path program 1 times [2020-10-14 10:08:24,307 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:24,308 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [580697274] [2020-10-14 10:08:24,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:24,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:24,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:24,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:24,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 10:08:24,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:24,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-10-14 10:08:24,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:24,471 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:24,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:24,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 91 [2020-10-14 10:08:24,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-14 10:08:24,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:24,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:24,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:24,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:24,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:24,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:24,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:24,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:08:24,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:24,525 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:24,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:24,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:24,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:24,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:24,541 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-10-14 10:08:24,542 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [580697274] [2020-10-14 10:08:24,542 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:24,542 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:24,543 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85529470] [2020-10-14 10:08:24,543 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:24,544 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:24,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:24,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:24,544 INFO L87 Difference]: Start difference. First operand 487 states and 741 transitions. Second operand 3 states. [2020-10-14 10:08:24,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:24,587 INFO L93 Difference]: Finished difference Result 607 states and 925 transitions. [2020-10-14 10:08:24,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:24,588 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2020-10-14 10:08:24,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:24,592 INFO L225 Difference]: With dead ends: 607 [2020-10-14 10:08:24,592 INFO L226 Difference]: Without dead ends: 605 [2020-10-14 10:08:24,593 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 10:08:24,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2020-10-14 10:08:24,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 605. [2020-10-14 10:08:24,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 605 states. [2020-10-14 10:08:24,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 923 transitions. [2020-10-14 10:08:24,613 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 923 transitions. Word has length 126 [2020-10-14 10:08:24,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:24,613 INFO L479 AbstractCegarLoop]: Abstraction has 605 states and 923 transitions. [2020-10-14 10:08:24,614 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:24,614 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 923 transitions. [2020-10-14 10:08:24,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-14 10:08:24,616 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:24,616 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 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 10:08:24,617 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 10:08:24,617 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:24,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:24,617 INFO L82 PathProgramCache]: Analyzing trace with hash 1001916203, now seen corresponding path program 1 times [2020-10-14 10:08:24,618 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:24,618 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1596656506] [2020-10-14 10:08:24,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:24,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:24,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:24,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:24,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:24,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:24,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-10-14 10:08:24,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 10:08:24,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 279 [2020-10-14 10:08:24,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:24,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:24,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:24,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 114 [2020-10-14 10:08:24,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-14 10:08:24,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:24,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:24,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:24,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:24,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:24,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:24,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:24,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:08:24,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:24,996 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:24,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:24,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:24,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:24,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:25,028 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2020-10-14 10:08:25,029 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1596656506] [2020-10-14 10:08:25,029 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:25,029 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:25,030 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981251700] [2020-10-14 10:08:25,032 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:25,032 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:25,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:25,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:25,033 INFO L87 Difference]: Start difference. First operand 605 states and 923 transitions. Second operand 3 states. [2020-10-14 10:08:25,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:25,321 INFO L93 Difference]: Finished difference Result 1482 states and 2322 transitions. [2020-10-14 10:08:25,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:25,322 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2020-10-14 10:08:25,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:25,330 INFO L225 Difference]: With dead ends: 1482 [2020-10-14 10:08:25,330 INFO L226 Difference]: Without dead ends: 875 [2020-10-14 10:08:25,332 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 10:08:25,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 875 states. [2020-10-14 10:08:25,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 875 to 850. [2020-10-14 10:08:25,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 850 states. [2020-10-14 10:08:25,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 850 states and 1338 transitions. [2020-10-14 10:08:25,366 INFO L78 Accepts]: Start accepts. Automaton has 850 states and 1338 transitions. Word has length 148 [2020-10-14 10:08:25,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:25,367 INFO L479 AbstractCegarLoop]: Abstraction has 850 states and 1338 transitions. [2020-10-14 10:08:25,367 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:25,367 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1338 transitions. [2020-10-14 10:08:25,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-14 10:08:25,373 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:25,373 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:08:25,373 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 10:08:25,375 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:25,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:25,375 INFO L82 PathProgramCache]: Analyzing trace with hash -585999866, now seen corresponding path program 1 times [2020-10-14 10:08:25,375 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:25,376 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [943067199] [2020-10-14 10:08:25,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:25,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:25,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:25,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:25,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:25,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 184 [2020-10-14 10:08:25,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 10:08:25,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 241 [2020-10-14 10:08:25,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:25,656 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:25,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:25,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 114 [2020-10-14 10:08:25,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-14 10:08:25,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:25,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:25,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:25,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:25,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:25,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:25,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:25,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:08:25,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:25,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:25,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:25,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:25,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:25,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:25,726 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2020-10-14 10:08:25,727 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [943067199] [2020-10-14 10:08:25,727 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:25,727 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:25,728 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878672413] [2020-10-14 10:08:25,728 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:25,729 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:25,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:25,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:25,729 INFO L87 Difference]: Start difference. First operand 850 states and 1338 transitions. Second operand 3 states. [2020-10-14 10:08:26,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:26,020 INFO L93 Difference]: Finished difference Result 2117 states and 3439 transitions. [2020-10-14 10:08:26,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:26,021 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 176 [2020-10-14 10:08:26,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:26,028 INFO L225 Difference]: With dead ends: 2117 [2020-10-14 10:08:26,028 INFO L226 Difference]: Without dead ends: 1280 [2020-10-14 10:08:26,031 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 10:08:26,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1280 states. [2020-10-14 10:08:26,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1280 to 1250. [2020-10-14 10:08:26,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1250 states. [2020-10-14 10:08:26,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1250 states and 1803 transitions. [2020-10-14 10:08:26,065 INFO L78 Accepts]: Start accepts. Automaton has 1250 states and 1803 transitions. Word has length 176 [2020-10-14 10:08:26,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:26,066 INFO L479 AbstractCegarLoop]: Abstraction has 1250 states and 1803 transitions. [2020-10-14 10:08:26,066 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:26,066 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1803 transitions. [2020-10-14 10:08:26,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-10-14 10:08:26,071 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:26,071 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 10:08:26,071 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 10:08:26,071 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:26,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:26,072 INFO L82 PathProgramCache]: Analyzing trace with hash -2114278003, now seen corresponding path program 1 times [2020-10-14 10:08:26,072 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:26,072 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1586206725] [2020-10-14 10:08:26,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:26,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:26,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:26,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:26,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:26,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:26,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:26,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:26,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:26,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:28,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:28,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-10-14 10:08:28,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-14 10:08:28,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1900 [2020-10-14 10:08:28,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:28,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:28,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:28,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-14 10:08:28,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-14 10:08:28,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:28,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:28,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:28,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:28,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:28,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:28,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:28,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:08:28,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:28,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:28,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:28,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:28,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:28,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:28,112 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 224 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2020-10-14 10:08:28,112 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1586206725] [2020-10-14 10:08:28,112 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:28,113 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:28,113 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053736413] [2020-10-14 10:08:28,113 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:28,114 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:28,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:28,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:28,114 INFO L87 Difference]: Start difference. First operand 1250 states and 1803 transitions. Second operand 3 states. [2020-10-14 10:08:28,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:28,181 INFO L93 Difference]: Finished difference Result 3704 states and 5355 transitions. [2020-10-14 10:08:28,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:28,182 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 189 [2020-10-14 10:08:28,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:28,196 INFO L225 Difference]: With dead ends: 3704 [2020-10-14 10:08:28,196 INFO L226 Difference]: Without dead ends: 2467 [2020-10-14 10:08:28,199 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 10:08:28,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2467 states. [2020-10-14 10:08:28,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2467 to 2465. [2020-10-14 10:08:28,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2465 states. [2020-10-14 10:08:28,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2465 states to 2465 states and 3553 transitions. [2020-10-14 10:08:28,277 INFO L78 Accepts]: Start accepts. Automaton has 2465 states and 3553 transitions. Word has length 189 [2020-10-14 10:08:28,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:28,277 INFO L479 AbstractCegarLoop]: Abstraction has 2465 states and 3553 transitions. [2020-10-14 10:08:28,277 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:28,278 INFO L276 IsEmpty]: Start isEmpty. Operand 2465 states and 3553 transitions. [2020-10-14 10:08:28,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-10-14 10:08:28,285 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:28,285 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:08:28,285 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 10:08:28,286 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:28,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:28,286 INFO L82 PathProgramCache]: Analyzing trace with hash -217298545, now seen corresponding path program 1 times [2020-10-14 10:08:28,286 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:28,287 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1524759555] [2020-10-14 10:08:28,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:28,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:28,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:28,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:28,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:28,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:28,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:28,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:28,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:28,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:29,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:30,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:30,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-10-14 10:08:30,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-14 10:08:30,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2159 [2020-10-14 10:08:30,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:30,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:30,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:30,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-14 10:08:30,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-14 10:08:30,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:30,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:30,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:30,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:30,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:30,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:30,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:30,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:08:30,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:30,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:30,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:30,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:30,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:30,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:30,539 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 203 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-10-14 10:08:30,540 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1524759555] [2020-10-14 10:08:30,540 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:30,541 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:30,541 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624070390] [2020-10-14 10:08:30,541 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:30,542 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:30,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:30,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:30,542 INFO L87 Difference]: Start difference. First operand 2465 states and 3553 transitions. Second operand 3 states. [2020-10-14 10:08:30,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:30,843 INFO L93 Difference]: Finished difference Result 5367 states and 7869 transitions. [2020-10-14 10:08:30,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:30,844 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 189 [2020-10-14 10:08:30,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:30,860 INFO L225 Difference]: With dead ends: 5367 [2020-10-14 10:08:30,860 INFO L226 Difference]: Without dead ends: 2825 [2020-10-14 10:08:30,865 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 10:08:30,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2825 states. [2020-10-14 10:08:30,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2825 to 2775. [2020-10-14 10:08:30,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2775 states. [2020-10-14 10:08:30,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2775 states to 2775 states and 4023 transitions. [2020-10-14 10:08:30,968 INFO L78 Accepts]: Start accepts. Automaton has 2775 states and 4023 transitions. Word has length 189 [2020-10-14 10:08:30,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:30,969 INFO L479 AbstractCegarLoop]: Abstraction has 2775 states and 4023 transitions. [2020-10-14 10:08:30,969 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:30,969 INFO L276 IsEmpty]: Start isEmpty. Operand 2775 states and 4023 transitions. [2020-10-14 10:08:30,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-10-14 10:08:30,979 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:30,979 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 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, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:08:30,980 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 10:08:30,980 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:30,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:30,981 INFO L82 PathProgramCache]: Analyzing trace with hash -1042805422, now seen corresponding path program 1 times [2020-10-14 10:08:30,981 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:30,981 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1918469348] [2020-10-14 10:08:30,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:31,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:31,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:31,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:31,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:31,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:31,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:31,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:31,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 209 [2020-10-14 10:08:31,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 10:08:31,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 515 [2020-10-14 10:08:31,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:31,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:31,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:31,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-10-14 10:08:31,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 10:08:31,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:31,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:31,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:31,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:31,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:31,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:31,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:31,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:08:31,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:31,568 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:31,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:31,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:31,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:31,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:31,642 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 224 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2020-10-14 10:08:31,643 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1918469348] [2020-10-14 10:08:31,643 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:31,643 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:31,643 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235224543] [2020-10-14 10:08:31,646 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:31,646 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:31,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:31,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:31,647 INFO L87 Difference]: Start difference. First operand 2775 states and 4023 transitions. Second operand 3 states. [2020-10-14 10:08:31,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:31,900 INFO L93 Difference]: Finished difference Result 5877 states and 8529 transitions. [2020-10-14 10:08:31,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:31,900 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 201 [2020-10-14 10:08:31,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:31,917 INFO L225 Difference]: With dead ends: 5877 [2020-10-14 10:08:31,917 INFO L226 Difference]: Without dead ends: 3115 [2020-10-14 10:08:31,925 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 10:08:31,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3115 states. [2020-10-14 10:08:32,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3115 to 3005. [2020-10-14 10:08:32,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3005 states. [2020-10-14 10:08:32,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3005 states to 3005 states and 4363 transitions. [2020-10-14 10:08:32,085 INFO L78 Accepts]: Start accepts. Automaton has 3005 states and 4363 transitions. Word has length 201 [2020-10-14 10:08:32,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:32,086 INFO L479 AbstractCegarLoop]: Abstraction has 3005 states and 4363 transitions. [2020-10-14 10:08:32,086 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:32,086 INFO L276 IsEmpty]: Start isEmpty. Operand 3005 states and 4363 transitions. [2020-10-14 10:08:32,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-10-14 10:08:32,096 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:32,096 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:08:32,096 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 10:08:32,096 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:32,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:32,097 INFO L82 PathProgramCache]: Analyzing trace with hash -1968030161, now seen corresponding path program 1 times [2020-10-14 10:08:32,097 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:32,098 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [136003722] [2020-10-14 10:08:32,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:32,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:32,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:32,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:32,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:32,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:32,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:32,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:32,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-14 10:08:32,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 10:08:32,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 696 [2020-10-14 10:08:32,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:32,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:32,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:32,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-14 10:08:32,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 10:08:32,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:32,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:32,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:32,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:32,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:32,874 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 10:08:32,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:08:32,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:32,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:32,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:32,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:32,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:32,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:32,915 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 250 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2020-10-14 10:08:32,916 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [136003722] [2020-10-14 10:08:32,916 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:32,916 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:32,917 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956531203] [2020-10-14 10:08:32,917 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:32,918 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:32,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:32,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:32,918 INFO L87 Difference]: Start difference. First operand 3005 states and 4363 transitions. Second operand 3 states. [2020-10-14 10:08:33,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:33,240 INFO L93 Difference]: Finished difference Result 6079 states and 8822 transitions. [2020-10-14 10:08:33,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:33,240 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 217 [2020-10-14 10:08:33,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:33,256 INFO L225 Difference]: With dead ends: 6079 [2020-10-14 10:08:33,257 INFO L226 Difference]: Without dead ends: 3077 [2020-10-14 10:08:33,263 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 10:08:33,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3077 states. [2020-10-14 10:08:33,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3077 to 3035. [2020-10-14 10:08:33,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3035 states. [2020-10-14 10:08:33,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3035 states to 3035 states and 4383 transitions. [2020-10-14 10:08:33,373 INFO L78 Accepts]: Start accepts. Automaton has 3035 states and 4383 transitions. Word has length 217 [2020-10-14 10:08:33,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:33,374 INFO L479 AbstractCegarLoop]: Abstraction has 3035 states and 4383 transitions. [2020-10-14 10:08:33,374 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:33,374 INFO L276 IsEmpty]: Start isEmpty. Operand 3035 states and 4383 transitions. [2020-10-14 10:08:33,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-10-14 10:08:33,383 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:33,383 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:08:33,384 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 10:08:33,384 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:33,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:33,384 INFO L82 PathProgramCache]: Analyzing trace with hash 95152117, now seen corresponding path program 1 times [2020-10-14 10:08:33,385 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:33,385 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2059721860] [2020-10-14 10:08:33,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:33,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:33,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:33,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:33,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-10-14 10:08:33,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:33,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 152 [2020-10-14 10:08:33,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:33,587 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:33,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:33,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 133 [2020-10-14 10:08:33,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 10:08:33,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:33,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:33,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:33,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:33,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:33,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:33,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:33,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:08:33,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:33,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:33,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:33,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:33,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:33,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:33,656 INFO L134 CoverageAnalysis]: Checked inductivity of 526 backedges. 359 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2020-10-14 10:08:33,657 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2059721860] [2020-10-14 10:08:33,657 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:33,657 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:33,658 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838126831] [2020-10-14 10:08:33,658 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:33,658 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:33,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:33,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:33,659 INFO L87 Difference]: Start difference. First operand 3035 states and 4383 transitions. Second operand 3 states. [2020-10-14 10:08:33,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:33,938 INFO L93 Difference]: Finished difference Result 6377 states and 9179 transitions. [2020-10-14 10:08:33,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:33,939 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 246 [2020-10-14 10:08:33,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:33,963 INFO L225 Difference]: With dead ends: 6377 [2020-10-14 10:08:33,963 INFO L226 Difference]: Without dead ends: 3355 [2020-10-14 10:08:33,972 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 10:08:33,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3355 states. [2020-10-14 10:08:34,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3355 to 3235. [2020-10-14 10:08:34,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3235 states. [2020-10-14 10:08:34,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3235 states to 3235 states and 4653 transitions. [2020-10-14 10:08:34,120 INFO L78 Accepts]: Start accepts. Automaton has 3235 states and 4653 transitions. Word has length 246 [2020-10-14 10:08:34,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:34,120 INFO L479 AbstractCegarLoop]: Abstraction has 3235 states and 4653 transitions. [2020-10-14 10:08:34,121 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:34,121 INFO L276 IsEmpty]: Start isEmpty. Operand 3235 states and 4653 transitions. [2020-10-14 10:08:34,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2020-10-14 10:08:34,135 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:34,135 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2020-10-14 10:08:34,136 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 10:08:34,136 INFO L427 AbstractCegarLoop]: === Iteration 12 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:34,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:34,137 INFO L82 PathProgramCache]: Analyzing trace with hash -1797967949, now seen corresponding path program 1 times [2020-10-14 10:08:34,137 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:34,137 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [508519348] [2020-10-14 10:08:34,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:34,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:34,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:34,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:34,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 266 [2020-10-14 10:08:34,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:34,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 269 [2020-10-14 10:08:34,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:34,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:34,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 10:08:34,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 134 [2020-10-14 10:08:34,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-14 10:08:34,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:34,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:34,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:34,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:34,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:34,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:34,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:34,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:08:34,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:34,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:34,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:34,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:34,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:34,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:34,619 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 430 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2020-10-14 10:08:34,620 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [508519348] [2020-10-14 10:08:34,620 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 10:08:34,621 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-10-14 10:08:34,621 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24980528] [2020-10-14 10:08:34,622 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 10:08:34,622 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:34,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 10:08:34,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 10:08:34,623 INFO L87 Difference]: Start difference. First operand 3235 states and 4653 transitions. Second operand 4 states. [2020-10-14 10:08:35,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:35,332 INFO L93 Difference]: Finished difference Result 8679 states and 12690 transitions. [2020-10-14 10:08:35,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 10:08:35,333 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 258 [2020-10-14 10:08:35,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:35,373 INFO L225 Difference]: With dead ends: 8679 [2020-10-14 10:08:35,374 INFO L226 Difference]: Without dead ends: 5457 [2020-10-14 10:08:35,386 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 10:08:35,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5457 states. [2020-10-14 10:08:35,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5457 to 4860. [2020-10-14 10:08:35,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4860 states. [2020-10-14 10:08:35,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4860 states to 4860 states and 6843 transitions. [2020-10-14 10:08:35,572 INFO L78 Accepts]: Start accepts. Automaton has 4860 states and 6843 transitions. Word has length 258 [2020-10-14 10:08:35,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:35,572 INFO L479 AbstractCegarLoop]: Abstraction has 4860 states and 6843 transitions. [2020-10-14 10:08:35,572 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 10:08:35,573 INFO L276 IsEmpty]: Start isEmpty. Operand 4860 states and 6843 transitions. [2020-10-14 10:08:35,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2020-10-14 10:08:35,593 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:35,593 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:08:35,594 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 10:08:35,594 INFO L427 AbstractCegarLoop]: === Iteration 13 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:35,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:35,594 INFO L82 PathProgramCache]: Analyzing trace with hash -718445864, now seen corresponding path program 1 times [2020-10-14 10:08:35,594 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:35,595 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [125034198] [2020-10-14 10:08:35,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:35,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:35,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:35,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:35,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:35,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-10-14 10:08:35,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 10:08:35,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 275 [2020-10-14 10:08:35,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:35,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:35,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:35,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 133 [2020-10-14 10:08:35,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 10:08:35,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:35,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:35,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:35,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:35,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:35,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:35,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:35,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:08:35,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:35,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:35,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:35,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:35,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:35,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:36,083 INFO L134 CoverageAnalysis]: Checked inductivity of 580 backedges. 374 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2020-10-14 10:08:36,084 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [125034198] [2020-10-14 10:08:36,084 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:36,084 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:36,084 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679579592] [2020-10-14 10:08:36,085 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:36,085 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:36,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:36,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:36,086 INFO L87 Difference]: Start difference. First operand 4860 states and 6843 transitions. Second operand 3 states. [2020-10-14 10:08:36,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:36,392 INFO L93 Difference]: Finished difference Result 10187 states and 14254 transitions. [2020-10-14 10:08:36,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:36,393 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 261 [2020-10-14 10:08:36,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:36,437 INFO L225 Difference]: With dead ends: 10187 [2020-10-14 10:08:36,437 INFO L226 Difference]: Without dead ends: 5340 [2020-10-14 10:08:36,457 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 10:08:36,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5340 states. [2020-10-14 10:08:36,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5340 to 5070. [2020-10-14 10:08:36,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5070 states. [2020-10-14 10:08:36,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5070 states to 5070 states and 7038 transitions. [2020-10-14 10:08:36,640 INFO L78 Accepts]: Start accepts. Automaton has 5070 states and 7038 transitions. Word has length 261 [2020-10-14 10:08:36,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:36,641 INFO L479 AbstractCegarLoop]: Abstraction has 5070 states and 7038 transitions. [2020-10-14 10:08:36,641 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:36,641 INFO L276 IsEmpty]: Start isEmpty. Operand 5070 states and 7038 transitions. [2020-10-14 10:08:36,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2020-10-14 10:08:36,662 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:36,662 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:08:36,663 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 10:08:36,663 INFO L427 AbstractCegarLoop]: === Iteration 14 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:36,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:36,664 INFO L82 PathProgramCache]: Analyzing trace with hash 1772225765, now seen corresponding path program 1 times [2020-10-14 10:08:36,664 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:36,665 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [123985213] [2020-10-14 10:08:36,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:36,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:36,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:36,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:36,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:37,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:37,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:37,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:37,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:38,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:38,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:38,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 275 [2020-10-14 10:08:38,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-14 10:08:38,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1913 [2020-10-14 10:08:38,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:38,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:38,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:38,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-14 10:08:38,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-14 10:08:38,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:38,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:38,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:38,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:38,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:38,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:38,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:38,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:08:38,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:38,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:38,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:38,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:38,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:38,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:38,724 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 411 proven. 0 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2020-10-14 10:08:38,725 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [123985213] [2020-10-14 10:08:38,725 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:38,725 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:38,725 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951432463] [2020-10-14 10:08:38,726 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:38,726 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:38,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:38,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:38,727 INFO L87 Difference]: Start difference. First operand 5070 states and 7038 transitions. Second operand 3 states. [2020-10-14 10:08:39,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:39,034 INFO L93 Difference]: Finished difference Result 10932 states and 15434 transitions. [2020-10-14 10:08:39,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:39,035 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 267 [2020-10-14 10:08:39,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:39,051 INFO L225 Difference]: With dead ends: 10932 [2020-10-14 10:08:39,051 INFO L226 Difference]: Without dead ends: 5745 [2020-10-14 10:08:39,063 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 10:08:39,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5745 states. [2020-10-14 10:08:39,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5745 to 5445. [2020-10-14 10:08:39,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5445 states. [2020-10-14 10:08:39,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5445 states to 5445 states and 7653 transitions. [2020-10-14 10:08:39,329 INFO L78 Accepts]: Start accepts. Automaton has 5445 states and 7653 transitions. Word has length 267 [2020-10-14 10:08:39,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:39,329 INFO L479 AbstractCegarLoop]: Abstraction has 5445 states and 7653 transitions. [2020-10-14 10:08:39,329 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:39,330 INFO L276 IsEmpty]: Start isEmpty. Operand 5445 states and 7653 transitions. [2020-10-14 10:08:39,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2020-10-14 10:08:39,346 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:39,346 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 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] [2020-10-14 10:08:39,346 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 10:08:39,347 INFO L427 AbstractCegarLoop]: === Iteration 15 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:39,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:39,347 INFO L82 PathProgramCache]: Analyzing trace with hash -637107003, now seen corresponding path program 1 times [2020-10-14 10:08:39,347 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:39,348 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [111713846] [2020-10-14 10:08:39,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:39,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:39,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:39,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:39,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:39,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:39,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:39,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:39,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:40,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:41,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:41,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 282 [2020-10-14 10:08:41,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-14 10:08:41,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1622 [2020-10-14 10:08:41,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:41,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:41,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:41,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-14 10:08:41,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-14 10:08:41,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:41,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:41,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:41,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:41,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:41,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:41,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:41,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:08:41,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:41,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:41,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:41,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:41,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:41,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:41,083 INFO L134 CoverageAnalysis]: Checked inductivity of 728 backedges. 340 proven. 0 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2020-10-14 10:08:41,084 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [111713846] [2020-10-14 10:08:41,084 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:41,085 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:41,085 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001021212] [2020-10-14 10:08:41,085 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:41,086 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:41,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:41,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:41,086 INFO L87 Difference]: Start difference. First operand 5445 states and 7653 transitions. Second operand 3 states. [2020-10-14 10:08:41,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:41,407 INFO L93 Difference]: Finished difference Result 11107 states and 15589 transitions. [2020-10-14 10:08:41,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:41,408 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 274 [2020-10-14 10:08:41,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:41,423 INFO L225 Difference]: With dead ends: 11107 [2020-10-14 10:08:41,423 INFO L226 Difference]: Without dead ends: 5575 [2020-10-14 10:08:41,436 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 10:08:41,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5575 states. [2020-10-14 10:08:41,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5575 to 5560. [2020-10-14 10:08:41,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5560 states. [2020-10-14 10:08:41,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5560 states to 5560 states and 7523 transitions. [2020-10-14 10:08:41,601 INFO L78 Accepts]: Start accepts. Automaton has 5560 states and 7523 transitions. Word has length 274 [2020-10-14 10:08:41,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:41,602 INFO L479 AbstractCegarLoop]: Abstraction has 5560 states and 7523 transitions. [2020-10-14 10:08:41,602 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:41,602 INFO L276 IsEmpty]: Start isEmpty. Operand 5560 states and 7523 transitions. [2020-10-14 10:08:41,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2020-10-14 10:08:41,625 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:41,626 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:08:41,626 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-14 10:08:41,626 INFO L427 AbstractCegarLoop]: === Iteration 16 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:41,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:41,627 INFO L82 PathProgramCache]: Analyzing trace with hash -571590843, now seen corresponding path program 1 times [2020-10-14 10:08:41,627 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:41,628 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2011104089] [2020-10-14 10:08:41,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:41,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:41,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:41,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:41,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:41,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:41,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:42,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:42,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 295 [2020-10-14 10:08:42,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 10:08:42,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1213 [2020-10-14 10:08:42,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:42,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:42,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:42,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 176 [2020-10-14 10:08:42,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 10:08:42,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:42,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:42,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:42,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:42,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:42,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:42,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:42,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:08:42,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:42,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:42,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:42,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:42,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:42,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:08:42,980 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 460 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2020-10-14 10:08:42,980 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2011104089] [2020-10-14 10:08:42,983 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:42,983 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:42,983 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126040596] [2020-10-14 10:08:42,984 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:42,984 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:42,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:42,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:42,985 INFO L87 Difference]: Start difference. First operand 5560 states and 7523 transitions. Second operand 3 states. [2020-10-14 10:08:43,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:43,313 INFO L93 Difference]: Finished difference Result 11587 states and 15644 transitions. [2020-10-14 10:08:43,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:43,314 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 287 [2020-10-14 10:08:43,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:43,327 INFO L225 Difference]: With dead ends: 11587 [2020-10-14 10:08:43,328 INFO L226 Difference]: Without dead ends: 5800 [2020-10-14 10:08:43,340 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 10:08:43,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5800 states. [2020-10-14 10:08:43,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5800 to 5705. [2020-10-14 10:08:43,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5705 states. [2020-10-14 10:08:43,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5705 states to 5705 states and 7658 transitions. [2020-10-14 10:08:43,514 INFO L78 Accepts]: Start accepts. Automaton has 5705 states and 7658 transitions. Word has length 287 [2020-10-14 10:08:43,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:43,514 INFO L479 AbstractCegarLoop]: Abstraction has 5705 states and 7658 transitions. [2020-10-14 10:08:43,514 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:43,514 INFO L276 IsEmpty]: Start isEmpty. Operand 5705 states and 7658 transitions. [2020-10-14 10:08:43,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2020-10-14 10:08:43,527 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:43,528 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:08:43,528 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-14 10:08:43,528 INFO L427 AbstractCegarLoop]: === Iteration 17 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:43,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:43,529 INFO L82 PathProgramCache]: Analyzing trace with hash 232140181, now seen corresponding path program 1 times [2020-10-14 10:08:43,529 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:43,529 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1796141944] [2020-10-14 10:08:43,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:43,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:43,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:43,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:43,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:43,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:43,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 296 [2020-10-14 10:08:43,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 10:08:43,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 430 [2020-10-14 10:08:43,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:43,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:43,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:43,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 168 [2020-10-14 10:08:43,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 10:08:43,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:44,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:44,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:44,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:44,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:44,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:44,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:44,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:08:44,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:44,029 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:44,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:44,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:44,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:44,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:08:44,068 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 421 proven. 0 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2020-10-14 10:08:44,069 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1796141944] [2020-10-14 10:08:44,069 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:44,069 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:44,069 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485647201] [2020-10-14 10:08:44,070 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:44,070 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:44,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:44,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:44,071 INFO L87 Difference]: Start difference. First operand 5705 states and 7658 transitions. Second operand 3 states. [2020-10-14 10:08:44,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:44,446 INFO L93 Difference]: Finished difference Result 11532 states and 15479 transitions. [2020-10-14 10:08:44,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:44,450 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 288 [2020-10-14 10:08:44,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:44,469 INFO L225 Difference]: With dead ends: 11532 [2020-10-14 10:08:44,469 INFO L226 Difference]: Without dead ends: 5840 [2020-10-14 10:08:44,485 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 10:08:44,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5840 states. [2020-10-14 10:08:44,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5840 to 5790. [2020-10-14 10:08:44,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5790 states. [2020-10-14 10:08:44,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5790 states to 5790 states and 7763 transitions. [2020-10-14 10:08:44,719 INFO L78 Accepts]: Start accepts. Automaton has 5790 states and 7763 transitions. Word has length 288 [2020-10-14 10:08:44,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:44,719 INFO L479 AbstractCegarLoop]: Abstraction has 5790 states and 7763 transitions. [2020-10-14 10:08:44,719 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:44,720 INFO L276 IsEmpty]: Start isEmpty. Operand 5790 states and 7763 transitions. [2020-10-14 10:08:44,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2020-10-14 10:08:44,738 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:44,739 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:08:44,739 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-14 10:08:44,739 INFO L427 AbstractCegarLoop]: === Iteration 18 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:44,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:44,740 INFO L82 PathProgramCache]: Analyzing trace with hash -2074361303, now seen corresponding path program 1 times [2020-10-14 10:08:44,740 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:44,741 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [165194758] [2020-10-14 10:08:44,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:44,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:44,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:44,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:45,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:45,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 296 [2020-10-14 10:08:45,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 10:08:45,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 433 [2020-10-14 10:08:45,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:45,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:45,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:45,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 172 [2020-10-14 10:08:45,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 10:08:45,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:45,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:45,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:45,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:45,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:45,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:45,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:45,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:08:45,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:45,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:45,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:45,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:45,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:45,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:45,335 INFO L134 CoverageAnalysis]: Checked inductivity of 738 backedges. 425 proven. 0 refuted. 0 times theorem prover too weak. 313 trivial. 0 not checked. [2020-10-14 10:08:45,336 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [165194758] [2020-10-14 10:08:45,336 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:45,336 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:45,346 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721088796] [2020-10-14 10:08:45,349 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:45,349 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:45,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:45,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:45,350 INFO L87 Difference]: Start difference. First operand 5790 states and 7763 transitions. Second operand 3 states. [2020-10-14 10:08:45,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:45,440 INFO L93 Difference]: Finished difference Result 10307 states and 13804 transitions. [2020-10-14 10:08:45,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:45,441 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 288 [2020-10-14 10:08:45,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:45,448 INFO L225 Difference]: With dead ends: 10307 [2020-10-14 10:08:45,449 INFO L226 Difference]: Without dead ends: 2763 [2020-10-14 10:08:45,463 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 10:08:45,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2763 states. [2020-10-14 10:08:45,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2763 to 2643. [2020-10-14 10:08:45,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2643 states. [2020-10-14 10:08:45,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2643 states to 2643 states and 3507 transitions. [2020-10-14 10:08:45,536 INFO L78 Accepts]: Start accepts. Automaton has 2643 states and 3507 transitions. Word has length 288 [2020-10-14 10:08:45,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:45,536 INFO L479 AbstractCegarLoop]: Abstraction has 2643 states and 3507 transitions. [2020-10-14 10:08:45,537 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:45,537 INFO L276 IsEmpty]: Start isEmpty. Operand 2643 states and 3507 transitions. [2020-10-14 10:08:45,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2020-10-14 10:08:45,544 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:45,544 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2020-10-14 10:08:45,545 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-14 10:08:45,545 INFO L427 AbstractCegarLoop]: === Iteration 19 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:45,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:45,545 INFO L82 PathProgramCache]: Analyzing trace with hash -459179713, now seen corresponding path program 1 times [2020-10-14 10:08:45,546 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:45,546 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [499961927] [2020-10-14 10:08:45,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:45,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:45,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:45,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:45,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:45,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:45,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:46,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:46,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 313 [2020-10-14 10:08:46,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 10:08:46,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1098 [2020-10-14 10:08:46,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:46,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:46,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:46,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-14 10:08:46,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 10:08:46,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:46,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:46,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:46,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:46,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:46,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:46,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:46,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:08:46,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:46,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:46,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:46,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:46,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:46,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:46,804 INFO L134 CoverageAnalysis]: Checked inductivity of 875 backedges. 530 proven. 0 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2020-10-14 10:08:46,805 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [499961927] [2020-10-14 10:08:46,805 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:46,805 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:46,805 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198852800] [2020-10-14 10:08:46,807 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:46,807 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:46,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:46,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:46,808 INFO L87 Difference]: Start difference. First operand 2643 states and 3507 transitions. Second operand 3 states. [2020-10-14 10:08:46,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:46,859 INFO L93 Difference]: Finished difference Result 3291 states and 4383 transitions. [2020-10-14 10:08:46,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:46,860 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 305 [2020-10-14 10:08:46,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:46,866 INFO L225 Difference]: With dead ends: 3291 [2020-10-14 10:08:46,867 INFO L226 Difference]: Without dead ends: 2591 [2020-10-14 10:08:46,869 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 10:08:46,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2591 states. [2020-10-14 10:08:46,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2591 to 1945. [2020-10-14 10:08:46,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1945 states. [2020-10-14 10:08:46,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1945 states to 1945 states and 2578 transitions. [2020-10-14 10:08:46,921 INFO L78 Accepts]: Start accepts. Automaton has 1945 states and 2578 transitions. Word has length 305 [2020-10-14 10:08:46,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:46,922 INFO L479 AbstractCegarLoop]: Abstraction has 1945 states and 2578 transitions. [2020-10-14 10:08:46,922 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:46,922 INFO L276 IsEmpty]: Start isEmpty. Operand 1945 states and 2578 transitions. [2020-10-14 10:08:46,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2020-10-14 10:08:46,938 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:46,939 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 9, 9, 7, 7, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 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 10:08:46,939 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-14 10:08:46,939 INFO L427 AbstractCegarLoop]: === Iteration 20 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:46,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:46,940 INFO L82 PathProgramCache]: Analyzing trace with hash -1356434201, now seen corresponding path program 1 times [2020-10-14 10:08:46,940 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:46,941 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [662920898] [2020-10-14 10:08:46,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:47,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:47,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:47,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:47,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:47,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:47,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:48,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:48,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 360 [2020-10-14 10:08:48,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 10:08:48,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1356 [2020-10-14 10:08:48,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:48,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:48,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:48,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 100 [2020-10-14 10:08:48,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-14 10:08:48,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:48,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:48,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:48,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:48,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:48,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:48,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:48,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:08:48,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:48,410 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:48,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:48,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:48,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:48,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:48,564 INFO L134 CoverageAnalysis]: Checked inductivity of 1252 backedges. 711 proven. 0 refuted. 0 times theorem prover too weak. 541 trivial. 0 not checked. [2020-10-14 10:08:48,565 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [662920898] [2020-10-14 10:08:48,565 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:48,565 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:48,565 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089410895] [2020-10-14 10:08:48,566 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:48,566 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:48,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:48,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:48,567 INFO L87 Difference]: Start difference. First operand 1945 states and 2578 transitions. Second operand 3 states. [2020-10-14 10:08:48,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:48,779 INFO L93 Difference]: Finished difference Result 4117 states and 5509 transitions. [2020-10-14 10:08:48,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:48,780 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 352 [2020-10-14 10:08:48,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:48,786 INFO L225 Difference]: With dead ends: 4117 [2020-10-14 10:08:48,786 INFO L226 Difference]: Without dead ends: 2120 [2020-10-14 10:08:48,791 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 10:08:48,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2120 states. [2020-10-14 10:08:48,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2120 to 2080. [2020-10-14 10:08:48,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2080 states. [2020-10-14 10:08:48,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2080 states to 2080 states and 2758 transitions. [2020-10-14 10:08:48,850 INFO L78 Accepts]: Start accepts. Automaton has 2080 states and 2758 transitions. Word has length 352 [2020-10-14 10:08:48,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:48,851 INFO L479 AbstractCegarLoop]: Abstraction has 2080 states and 2758 transitions. [2020-10-14 10:08:48,851 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:48,851 INFO L276 IsEmpty]: Start isEmpty. Operand 2080 states and 2758 transitions. [2020-10-14 10:08:48,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2020-10-14 10:08:48,861 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:48,861 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:08:48,862 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-14 10:08:48,862 INFO L427 AbstractCegarLoop]: === Iteration 21 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:48,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:48,863 INFO L82 PathProgramCache]: Analyzing trace with hash -1504140036, now seen corresponding path program 1 times [2020-10-14 10:08:48,863 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:48,863 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [355430705] [2020-10-14 10:08:48,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:48,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:48,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:48,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:49,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:49,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:49,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:49,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:51,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:51,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:53,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:53,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 399 [2020-10-14 10:08:53,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-14 10:08:53,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-14 10:08:53,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:53,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:53,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:53,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 123 [2020-10-14 10:08:53,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 203 [2020-10-14 10:08:53,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:54,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:54,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:54,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:54,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:54,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:54,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:54,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:08:54,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:54,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:54,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:54,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:54,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:54,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:54,285 INFO L134 CoverageAnalysis]: Checked inductivity of 1703 backedges. 1110 proven. 0 refuted. 0 times theorem prover too weak. 593 trivial. 0 not checked. [2020-10-14 10:08:54,285 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [355430705] [2020-10-14 10:08:54,286 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:54,286 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:54,286 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410917536] [2020-10-14 10:08:54,289 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:54,289 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:54,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:54,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:54,290 INFO L87 Difference]: Start difference. First operand 2080 states and 2758 transitions. Second operand 3 states. [2020-10-14 10:08:54,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:08:54,366 INFO L93 Difference]: Finished difference Result 6179 states and 8185 transitions. [2020-10-14 10:08:54,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:08:54,366 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 391 [2020-10-14 10:08:54,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:08:54,377 INFO L225 Difference]: With dead ends: 6179 [2020-10-14 10:08:54,377 INFO L226 Difference]: Without dead ends: 4112 [2020-10-14 10:08:54,383 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 10:08:54,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4112 states. [2020-10-14 10:08:54,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4112 to 4110. [2020-10-14 10:08:54,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4110 states. [2020-10-14 10:08:54,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4110 states to 4110 states and 5438 transitions. [2020-10-14 10:08:54,496 INFO L78 Accepts]: Start accepts. Automaton has 4110 states and 5438 transitions. Word has length 391 [2020-10-14 10:08:54,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:08:54,497 INFO L479 AbstractCegarLoop]: Abstraction has 4110 states and 5438 transitions. [2020-10-14 10:08:54,497 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:08:54,497 INFO L276 IsEmpty]: Start isEmpty. Operand 4110 states and 5438 transitions. [2020-10-14 10:08:54,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2020-10-14 10:08:54,512 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:08:54,512 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:08:54,513 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-14 10:08:54,513 INFO L427 AbstractCegarLoop]: === Iteration 22 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:08:54,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:08:54,513 INFO L82 PathProgramCache]: Analyzing trace with hash 1864275354, now seen corresponding path program 1 times [2020-10-14 10:08:54,514 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:08:54,515 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [671755147] [2020-10-14 10:08:54,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:08:54,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:54,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:54,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:54,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:54,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:54,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:55,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:58,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:58,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:59,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:59,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 401 [2020-10-14 10:08:59,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-14 10:08:59,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-14 10:08:59,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:59,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:59,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:08:59,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 124 [2020-10-14 10:08:59,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 205 [2020-10-14 10:08:59,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:59,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:08:59,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:08:59,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:08:59,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:08:59,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:08:59,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:08:59,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:08:59,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:08:59,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:08:59,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:08:59,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:08:59,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:08:59,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:08:59,882 INFO L134 CoverageAnalysis]: Checked inductivity of 1704 backedges. 1111 proven. 0 refuted. 0 times theorem prover too weak. 593 trivial. 0 not checked. [2020-10-14 10:08:59,883 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [671755147] [2020-10-14 10:08:59,883 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:08:59,883 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:08:59,883 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547022457] [2020-10-14 10:08:59,884 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:08:59,884 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:08:59,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:08:59,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:08:59,885 INFO L87 Difference]: Start difference. First operand 4110 states and 5438 transitions. Second operand 3 states. [2020-10-14 10:09:00,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:09:00,011 INFO L93 Difference]: Finished difference Result 12299 states and 16270 transitions. [2020-10-14 10:09:00,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:09:00,012 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 393 [2020-10-14 10:09:00,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:09:00,030 INFO L225 Difference]: With dead ends: 12299 [2020-10-14 10:09:00,031 INFO L226 Difference]: Without dead ends: 8202 [2020-10-14 10:09:00,042 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 10:09:00,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8202 states. [2020-10-14 10:09:00,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8202 to 6170. [2020-10-14 10:09:00,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6170 states. [2020-10-14 10:09:00,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6170 states to 6170 states and 8163 transitions. [2020-10-14 10:09:00,222 INFO L78 Accepts]: Start accepts. Automaton has 6170 states and 8163 transitions. Word has length 393 [2020-10-14 10:09:00,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:09:00,223 INFO L479 AbstractCegarLoop]: Abstraction has 6170 states and 8163 transitions. [2020-10-14 10:09:00,223 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:09:00,223 INFO L276 IsEmpty]: Start isEmpty. Operand 6170 states and 8163 transitions. [2020-10-14 10:09:00,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395 [2020-10-14 10:09:00,245 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:09:00,246 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:09:00,246 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-14 10:09:00,246 INFO L427 AbstractCegarLoop]: === Iteration 23 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:09:00,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:09:00,246 INFO L82 PathProgramCache]: Analyzing trace with hash 1933619393, now seen corresponding path program 1 times [2020-10-14 10:09:00,247 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:09:00,251 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1521089885] [2020-10-14 10:09:00,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:09:00,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:00,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:00,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:00,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:00,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:00,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:01,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:02,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:03,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:05,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:05,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 402 [2020-10-14 10:09:05,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-14 10:09:05,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-14 10:09:05,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:05,311 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:05,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:09:05,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-14 10:09:05,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 205 [2020-10-14 10:09:05,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:09:05,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:09:05,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:05,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:05,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:05,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:09:05,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:09:05,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:09:05,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:05,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:05,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:09:05,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:09:05,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:09:05,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:09:05,675 INFO L134 CoverageAnalysis]: Checked inductivity of 1705 backedges. 1112 proven. 0 refuted. 0 times theorem prover too weak. 593 trivial. 0 not checked. [2020-10-14 10:09:05,676 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1521089885] [2020-10-14 10:09:05,676 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:09:05,677 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:09:05,677 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771484926] [2020-10-14 10:09:05,677 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:09:05,678 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:09:05,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:09:05,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:09:05,678 INFO L87 Difference]: Start difference. First operand 6170 states and 8163 transitions. Second operand 3 states. [2020-10-14 10:09:05,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:09:05,850 INFO L93 Difference]: Finished difference Result 14369 states and 19010 transitions. [2020-10-14 10:09:05,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:09:05,851 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 394 [2020-10-14 10:09:05,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:09:05,873 INFO L225 Difference]: With dead ends: 14369 [2020-10-14 10:09:05,873 INFO L226 Difference]: Without dead ends: 10272 [2020-10-14 10:09:05,884 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 10:09:05,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10272 states. [2020-10-14 10:09:06,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10272 to 10270. [2020-10-14 10:09:06,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10270 states. [2020-10-14 10:09:06,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10270 states to 10270 states and 13588 transitions. [2020-10-14 10:09:06,104 INFO L78 Accepts]: Start accepts. Automaton has 10270 states and 13588 transitions. Word has length 394 [2020-10-14 10:09:06,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:09:06,105 INFO L479 AbstractCegarLoop]: Abstraction has 10270 states and 13588 transitions. [2020-10-14 10:09:06,105 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:09:06,105 INFO L276 IsEmpty]: Start isEmpty. Operand 10270 states and 13588 transitions. [2020-10-14 10:09:06,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2020-10-14 10:09:06,126 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:09:06,126 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:09:06,127 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-14 10:09:06,127 INFO L427 AbstractCegarLoop]: === Iteration 24 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:09:06,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:09:06,127 INFO L82 PathProgramCache]: Analyzing trace with hash -1499393866, now seen corresponding path program 1 times [2020-10-14 10:09:06,127 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:09:06,128 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1073975456] [2020-10-14 10:09:06,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:09:06,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:06,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:06,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:06,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:06,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:06,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:06,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:10,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:10,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:11,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:11,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 403 [2020-10-14 10:09:11,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-14 10:09:11,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-14 10:09:11,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:11,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:11,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:09:11,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 127 [2020-10-14 10:09:11,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-14 10:09:11,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:09:11,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:09:11,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:11,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:11,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:11,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:09:11,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:09:11,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:09:11,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:11,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:11,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:09:11,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:09:11,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:09:11,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:09:11,305 INFO L134 CoverageAnalysis]: Checked inductivity of 1706 backedges. 979 proven. 0 refuted. 0 times theorem prover too weak. 727 trivial. 0 not checked. [2020-10-14 10:09:11,306 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1073975456] [2020-10-14 10:09:11,306 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:09:11,306 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:09:11,306 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784721799] [2020-10-14 10:09:11,307 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:09:11,307 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:09:11,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:09:11,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:09:11,307 INFO L87 Difference]: Start difference. First operand 10270 states and 13588 transitions. Second operand 3 states. [2020-10-14 10:09:11,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:09:11,632 INFO L93 Difference]: Finished difference Result 17052 states and 22659 transitions. [2020-10-14 10:09:11,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:09:11,632 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 395 [2020-10-14 10:09:11,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:09:11,654 INFO L225 Difference]: With dead ends: 17052 [2020-10-14 10:09:11,654 INFO L226 Difference]: Without dead ends: 10755 [2020-10-14 10:09:11,664 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 10:09:11,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10755 states. [2020-10-14 10:09:11,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10755 to 10705. [2020-10-14 10:09:11,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10705 states. [2020-10-14 10:09:11,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10705 states to 10705 states and 14188 transitions. [2020-10-14 10:09:11,893 INFO L78 Accepts]: Start accepts. Automaton has 10705 states and 14188 transitions. Word has length 395 [2020-10-14 10:09:11,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:09:11,893 INFO L479 AbstractCegarLoop]: Abstraction has 10705 states and 14188 transitions. [2020-10-14 10:09:11,893 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:09:11,894 INFO L276 IsEmpty]: Start isEmpty. Operand 10705 states and 14188 transitions. [2020-10-14 10:09:11,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2020-10-14 10:09:11,918 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:09:11,919 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 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 10:09:11,919 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-14 10:09:11,919 INFO L427 AbstractCegarLoop]: === Iteration 25 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:09:11,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:09:11,921 INFO L82 PathProgramCache]: Analyzing trace with hash 754447369, now seen corresponding path program 1 times [2020-10-14 10:09:11,921 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:09:11,921 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [215072823] [2020-10-14 10:09:11,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:09:11,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:11,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:12,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:12,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:12,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:12,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:12,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:12,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:15,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:15,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:16,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:16,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 432 [2020-10-14 10:09:16,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-14 10:09:16,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-14 10:09:16,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:16,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:16,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:09:16,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-14 10:09:16,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 290 [2020-10-14 10:09:16,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:09:17,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:09:17,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:17,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:17,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:17,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:09:17,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:09:17,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:09:17,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:17,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:17,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:09:17,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:09:17,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:09:17,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:09:17,639 INFO L134 CoverageAnalysis]: Checked inductivity of 2005 backedges. 1016 proven. 2 refuted. 0 times theorem prover too weak. 987 trivial. 0 not checked. [2020-10-14 10:09:17,640 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [215072823] [2020-10-14 10:09:17,640 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 10:09:17,640 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 10:09:17,641 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492723185] [2020-10-14 10:09:17,641 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 10:09:17,641 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:09:17,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 10:09:17,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-14 10:09:17,642 INFO L87 Difference]: Start difference. First operand 10705 states and 14188 transitions. Second operand 5 states. [2020-10-14 10:09:18,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:09:18,697 INFO L93 Difference]: Finished difference Result 56245 states and 74509 transitions. [2020-10-14 10:09:18,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 10:09:18,698 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 424 [2020-10-14 10:09:18,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:09:18,785 INFO L225 Difference]: With dead ends: 56245 [2020-10-14 10:09:18,785 INFO L226 Difference]: Without dead ends: 45553 [2020-10-14 10:09:18,805 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-14 10:09:18,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45553 states. [2020-10-14 10:09:19,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45553 to 17035. [2020-10-14 10:09:19,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17035 states. [2020-10-14 10:09:19,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17035 states to 17035 states and 22568 transitions. [2020-10-14 10:09:19,502 INFO L78 Accepts]: Start accepts. Automaton has 17035 states and 22568 transitions. Word has length 424 [2020-10-14 10:09:19,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:09:19,502 INFO L479 AbstractCegarLoop]: Abstraction has 17035 states and 22568 transitions. [2020-10-14 10:09:19,502 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 10:09:19,503 INFO L276 IsEmpty]: Start isEmpty. Operand 17035 states and 22568 transitions. [2020-10-14 10:09:19,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 427 [2020-10-14 10:09:19,523 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:09:19,524 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 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 10:09:19,524 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-14 10:09:19,524 INFO L427 AbstractCegarLoop]: === Iteration 26 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:09:19,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:09:19,525 INFO L82 PathProgramCache]: Analyzing trace with hash 1727501529, now seen corresponding path program 1 times [2020-10-14 10:09:19,525 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:09:19,525 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1921570627] [2020-10-14 10:09:19,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:09:19,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:19,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:19,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:19,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:20,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:20,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:21,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:21,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 434 [2020-10-14 10:09:21,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 10:09:21,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1456 [2020-10-14 10:09:21,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:21,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:21,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 10:09:21,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 365 [2020-10-14 10:09:21,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-14 10:09:21,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:09:21,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:09:21,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:21,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:21,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:21,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:09:21,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:09:21,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:09:21,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:21,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:21,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:09:21,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:09:21,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:09:21,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:09:21,238 INFO L134 CoverageAnalysis]: Checked inductivity of 2006 backedges. 560 proven. 26 refuted. 0 times theorem prover too weak. 1420 trivial. 0 not checked. [2020-10-14 10:09:21,238 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1921570627] [2020-10-14 10:09:21,239 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 10:09:21,239 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-10-14 10:09:21,239 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963325810] [2020-10-14 10:09:21,240 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 10:09:21,240 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:09:21,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 10:09:21,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 10:09:21,240 INFO L87 Difference]: Start difference. First operand 17035 states and 22568 transitions. Second operand 4 states. [2020-10-14 10:09:22,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:09:22,035 INFO L93 Difference]: Finished difference Result 50919 states and 67190 transitions. [2020-10-14 10:09:22,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 10:09:22,035 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 426 [2020-10-14 10:09:22,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:09:22,079 INFO L225 Difference]: With dead ends: 50919 [2020-10-14 10:09:22,080 INFO L226 Difference]: Without dead ends: 33897 [2020-10-14 10:09:22,108 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 10:09:22,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33897 states. [2020-10-14 10:09:22,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33897 to 22955. [2020-10-14 10:09:22,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22955 states. [2020-10-14 10:09:22,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22955 states to 22955 states and 30368 transitions. [2020-10-14 10:09:22,885 INFO L78 Accepts]: Start accepts. Automaton has 22955 states and 30368 transitions. Word has length 426 [2020-10-14 10:09:22,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:09:22,886 INFO L479 AbstractCegarLoop]: Abstraction has 22955 states and 30368 transitions. [2020-10-14 10:09:22,886 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 10:09:22,886 INFO L276 IsEmpty]: Start isEmpty. Operand 22955 states and 30368 transitions. [2020-10-14 10:09:22,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 528 [2020-10-14 10:09:22,916 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:09:22,916 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 18, 18, 18, 18, 18, 17, 17, 17, 15, 15, 13, 13, 11, 11, 9, 9, 9, 9, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:09:22,917 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-14 10:09:22,917 INFO L427 AbstractCegarLoop]: === Iteration 27 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:09:22,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:09:22,917 INFO L82 PathProgramCache]: Analyzing trace with hash 1903236164, now seen corresponding path program 1 times [2020-10-14 10:09:22,917 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:09:22,918 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1278699154] [2020-10-14 10:09:22,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:09:22,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:23,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:23,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:23,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:23,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:23,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:23,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:24,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:24,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 535 [2020-10-14 10:09:24,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 10:09:24,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1893 [2020-10-14 10:09:24,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:24,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:24,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:09:24,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 188 [2020-10-14 10:09:24,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-14 10:09:24,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:09:24,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:09:24,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:24,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:24,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:24,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:09:24,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:09:24,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:09:24,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:24,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:24,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:09:24,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:09:24,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:09:24,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:09:24,991 INFO L134 CoverageAnalysis]: Checked inductivity of 3235 backedges. 1816 proven. 0 refuted. 0 times theorem prover too weak. 1419 trivial. 0 not checked. [2020-10-14 10:09:24,992 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1278699154] [2020-10-14 10:09:24,992 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:09:24,992 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:09:24,992 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649109700] [2020-10-14 10:09:24,993 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:09:24,993 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:09:24,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:09:24,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:09:24,993 INFO L87 Difference]: Start difference. First operand 22955 states and 30368 transitions. Second operand 3 states. [2020-10-14 10:09:25,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:09:25,547 INFO L93 Difference]: Finished difference Result 49057 states and 65399 transitions. [2020-10-14 10:09:25,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:09:25,548 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 527 [2020-10-14 10:09:25,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:09:25,585 INFO L225 Difference]: With dead ends: 49057 [2020-10-14 10:09:25,585 INFO L226 Difference]: Without dead ends: 25835 [2020-10-14 10:09:25,610 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 10:09:25,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25835 states. [2020-10-14 10:09:26,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25835 to 25675. [2020-10-14 10:09:26,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25675 states. [2020-10-14 10:09:26,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25675 states to 25675 states and 34288 transitions. [2020-10-14 10:09:26,232 INFO L78 Accepts]: Start accepts. Automaton has 25675 states and 34288 transitions. Word has length 527 [2020-10-14 10:09:26,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:09:26,233 INFO L479 AbstractCegarLoop]: Abstraction has 25675 states and 34288 transitions. [2020-10-14 10:09:26,233 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:09:26,233 INFO L276 IsEmpty]: Start isEmpty. Operand 25675 states and 34288 transitions. [2020-10-14 10:09:26,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 559 [2020-10-14 10:09:26,262 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:09:26,262 INFO L422 BasicCegarLoop]: trace histogram [20, 20, 20, 20, 20, 20, 20, 19, 19, 19, 19, 19, 18, 18, 18, 16, 16, 14, 14, 12, 12, 10, 10, 10, 10, 6, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:09:26,262 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-10-14 10:09:26,263 INFO L427 AbstractCegarLoop]: === Iteration 28 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:09:26,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:09:26,263 INFO L82 PathProgramCache]: Analyzing trace with hash -1859233081, now seen corresponding path program 1 times [2020-10-14 10:09:26,263 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:09:26,263 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [408110725] [2020-10-14 10:09:26,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:09:26,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:26,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:26,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:26,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:26,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:27,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:27,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:28,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:28,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 566 [2020-10-14 10:09:28,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 10:09:28,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1762 [2020-10-14 10:09:28,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:28,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:28,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:09:28,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 219 [2020-10-14 10:09:28,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-14 10:09:28,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:09:28,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:09:28,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:28,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:28,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:28,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:09:28,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:09:28,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:09:28,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:28,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:28,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:09:28,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:09:28,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:09:28,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:09:28,226 INFO L134 CoverageAnalysis]: Checked inductivity of 3653 backedges. 2094 proven. 0 refuted. 0 times theorem prover too weak. 1559 trivial. 0 not checked. [2020-10-14 10:09:28,226 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [408110725] [2020-10-14 10:09:28,226 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:09:28,226 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:09:28,226 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21814310] [2020-10-14 10:09:28,227 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:09:28,227 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:09:28,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:09:28,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:09:28,228 INFO L87 Difference]: Start difference. First operand 25675 states and 34288 transitions. Second operand 3 states. [2020-10-14 10:09:28,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:09:28,777 INFO L93 Difference]: Finished difference Result 51537 states and 68839 transitions. [2020-10-14 10:09:28,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:09:28,777 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 558 [2020-10-14 10:09:28,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:09:28,807 INFO L225 Difference]: With dead ends: 51537 [2020-10-14 10:09:28,807 INFO L226 Difference]: Without dead ends: 25715 [2020-10-14 10:09:28,834 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 10:09:28,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25715 states. [2020-10-14 10:09:29,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25715 to 25635. [2020-10-14 10:09:29,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25635 states. [2020-10-14 10:09:29,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25635 states to 25635 states and 34168 transitions. [2020-10-14 10:09:29,503 INFO L78 Accepts]: Start accepts. Automaton has 25635 states and 34168 transitions. Word has length 558 [2020-10-14 10:09:29,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:09:29,503 INFO L479 AbstractCegarLoop]: Abstraction has 25635 states and 34168 transitions. [2020-10-14 10:09:29,503 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:09:29,503 INFO L276 IsEmpty]: Start isEmpty. Operand 25635 states and 34168 transitions. [2020-10-14 10:09:29,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 567 [2020-10-14 10:09:29,530 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:09:29,531 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 20, 20, 19, 19, 19, 18, 18, 18, 16, 16, 14, 14, 12, 12, 10, 10, 10, 10, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:09:29,531 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-10-14 10:09:29,531 INFO L427 AbstractCegarLoop]: === Iteration 29 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:09:29,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:09:29,532 INFO L82 PathProgramCache]: Analyzing trace with hash 288986997, now seen corresponding path program 1 times [2020-10-14 10:09:29,532 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:09:29,532 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1534770611] [2020-10-14 10:09:29,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:09:29,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:29,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:29,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:29,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:29,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:29,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:30,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:31,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:33,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:33,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 574 [2020-10-14 10:09:33,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 10:09:33,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4339 [2020-10-14 10:09:33,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:33,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:33,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:09:33,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 187 [2020-10-14 10:09:33,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 10:09:33,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:09:33,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:09:33,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:33,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:33,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:33,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:09:33,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:09:33,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:09:33,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:33,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:33,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:09:33,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:09:33,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:09:33,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:09:34,063 INFO L134 CoverageAnalysis]: Checked inductivity of 3850 backedges. 1894 proven. 0 refuted. 0 times theorem prover too weak. 1956 trivial. 0 not checked. [2020-10-14 10:09:34,063 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1534770611] [2020-10-14 10:09:34,063 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:09:34,064 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:09:34,064 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031349407] [2020-10-14 10:09:34,065 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:09:34,065 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:09:34,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:09:34,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:09:34,066 INFO L87 Difference]: Start difference. First operand 25635 states and 34168 transitions. Second operand 3 states. [2020-10-14 10:09:34,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:09:34,572 INFO L93 Difference]: Finished difference Result 51257 states and 68319 transitions. [2020-10-14 10:09:34,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:09:34,572 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 566 [2020-10-14 10:09:34,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:09:34,603 INFO L225 Difference]: With dead ends: 51257 [2020-10-14 10:09:34,603 INFO L226 Difference]: Without dead ends: 25635 [2020-10-14 10:09:34,626 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 10:09:34,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25635 states. [2020-10-14 10:09:35,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25635 to 25635. [2020-10-14 10:09:35,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25635 states. [2020-10-14 10:09:35,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25635 states to 25635 states and 34088 transitions. [2020-10-14 10:09:35,323 INFO L78 Accepts]: Start accepts. Automaton has 25635 states and 34088 transitions. Word has length 566 [2020-10-14 10:09:35,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:09:35,323 INFO L479 AbstractCegarLoop]: Abstraction has 25635 states and 34088 transitions. [2020-10-14 10:09:35,323 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:09:35,323 INFO L276 IsEmpty]: Start isEmpty. Operand 25635 states and 34088 transitions. [2020-10-14 10:09:35,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 599 [2020-10-14 10:09:35,347 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:09:35,347 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 23, 23, 23, 23, 23, 22, 22, 21, 21, 21, 18, 18, 18, 16, 16, 14, 14, 12, 12, 10, 10, 10, 10, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 10:09:35,348 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-10-14 10:09:35,348 INFO L427 AbstractCegarLoop]: === Iteration 30 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:09:35,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:09:35,348 INFO L82 PathProgramCache]: Analyzing trace with hash 813583727, now seen corresponding path program 1 times [2020-10-14 10:09:35,348 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:09:35,348 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1359698602] [2020-10-14 10:09:35,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:09:35,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:35,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:35,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:35,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:35,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:35,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:36,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:36,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:39,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:39,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:40,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:40,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 606 [2020-10-14 10:09:40,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-14 10:09:40,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-14 10:09:40,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:40,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:40,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:09:40,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 187 [2020-10-14 10:09:40,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 10:09:40,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:09:40,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:09:40,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:40,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:40,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:40,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:09:40,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:09:40,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:09:40,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:40,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:40,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:09:40,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:09:40,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:09:40,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:09:40,555 INFO L134 CoverageAnalysis]: Checked inductivity of 4402 backedges. 2137 proven. 0 refuted. 0 times theorem prover too weak. 2265 trivial. 0 not checked. [2020-10-14 10:09:40,555 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1359698602] [2020-10-14 10:09:40,555 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:09:40,556 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:09:40,556 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570150847] [2020-10-14 10:09:40,556 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:09:40,557 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:09:40,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:09:40,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:09:40,557 INFO L87 Difference]: Start difference. First operand 25635 states and 34088 transitions. Second operand 3 states. [2020-10-14 10:09:41,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:09:41,103 INFO L93 Difference]: Finished difference Result 52257 states and 69199 transitions. [2020-10-14 10:09:41,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:09:41,103 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 598 [2020-10-14 10:09:41,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:09:41,133 INFO L225 Difference]: With dead ends: 52257 [2020-10-14 10:09:41,133 INFO L226 Difference]: Without dead ends: 25755 [2020-10-14 10:09:41,156 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 10:09:41,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25755 states. [2020-10-14 10:09:41,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25755 to 25635. [2020-10-14 10:09:41,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25635 states. [2020-10-14 10:09:41,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25635 states to 25635 states and 33848 transitions. [2020-10-14 10:09:41,636 INFO L78 Accepts]: Start accepts. Automaton has 25635 states and 33848 transitions. Word has length 598 [2020-10-14 10:09:41,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:09:41,636 INFO L479 AbstractCegarLoop]: Abstraction has 25635 states and 33848 transitions. [2020-10-14 10:09:41,636 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:09:41,636 INFO L276 IsEmpty]: Start isEmpty. Operand 25635 states and 33848 transitions. [2020-10-14 10:09:41,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 603 [2020-10-14 10:09:41,659 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:09:41,660 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 23, 23, 23, 23, 23, 22, 22, 21, 21, 21, 20, 20, 18, 16, 16, 14, 14, 12, 12, 10, 10, 10, 10, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:09:41,660 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-10-14 10:09:41,660 INFO L427 AbstractCegarLoop]: === Iteration 31 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:09:41,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:09:41,661 INFO L82 PathProgramCache]: Analyzing trace with hash 1475142053, now seen corresponding path program 1 times [2020-10-14 10:09:41,661 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:09:41,661 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2058587593] [2020-10-14 10:09:41,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:09:41,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:41,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:41,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:41,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:42,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:42,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:43,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:43,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:46,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:46,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 610 [2020-10-14 10:09:46,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 10:09:46,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4905 [2020-10-14 10:09:46,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:46,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:46,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:09:46,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 529 [2020-10-14 10:09:46,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 10:09:46,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:09:46,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:09:46,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:46,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:46,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:46,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:09:46,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:09:46,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:09:46,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:46,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:46,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:09:46,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:09:46,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:09:46,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:09:46,791 INFO L134 CoverageAnalysis]: Checked inductivity of 4476 backedges. 1074 proven. 0 refuted. 0 times theorem prover too weak. 3402 trivial. 0 not checked. [2020-10-14 10:09:46,791 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2058587593] [2020-10-14 10:09:46,791 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:09:46,792 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:09:46,792 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938014476] [2020-10-14 10:09:46,792 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:09:46,792 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:09:46,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:09:46,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:09:46,793 INFO L87 Difference]: Start difference. First operand 25635 states and 33848 transitions. Second operand 3 states. [2020-10-14 10:09:47,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:09:47,312 INFO L93 Difference]: Finished difference Result 51217 states and 67639 transitions. [2020-10-14 10:09:47,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:09:47,313 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 602 [2020-10-14 10:09:47,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:09:47,339 INFO L225 Difference]: With dead ends: 51217 [2020-10-14 10:09:47,340 INFO L226 Difference]: Without dead ends: 25595 [2020-10-14 10:09:47,361 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 10:09:47,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25595 states. [2020-10-14 10:09:47,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25595 to 20995. [2020-10-14 10:09:47,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20995 states. [2020-10-14 10:09:47,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20995 states to 20995 states and 27208 transitions. [2020-10-14 10:09:47,773 INFO L78 Accepts]: Start accepts. Automaton has 20995 states and 27208 transitions. Word has length 602 [2020-10-14 10:09:47,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:09:47,773 INFO L479 AbstractCegarLoop]: Abstraction has 20995 states and 27208 transitions. [2020-10-14 10:09:47,773 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:09:47,773 INFO L276 IsEmpty]: Start isEmpty. Operand 20995 states and 27208 transitions. [2020-10-14 10:09:47,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 657 [2020-10-14 10:09:47,793 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:09:47,793 INFO L422 BasicCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 21, 21, 21, 21, 21, 19, 19, 17, 17, 15, 15, 13, 13, 13, 13, 10, 8, 8, 6, 6, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 10:09:47,793 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-10-14 10:09:47,793 INFO L427 AbstractCegarLoop]: === Iteration 32 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:09:47,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:09:47,794 INFO L82 PathProgramCache]: Analyzing trace with hash 1923420551, now seen corresponding path program 1 times [2020-10-14 10:09:47,794 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:09:47,794 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [250573984] [2020-10-14 10:09:47,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:09:47,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:47,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:47,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:47,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:48,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:48,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:48,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:48,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 664 [2020-10-14 10:09:48,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 10:09:48,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 859 [2020-10-14 10:09:48,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:48,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:48,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:09:48,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 583 [2020-10-14 10:09:48,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-14 10:09:48,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:09:48,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:09:48,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:48,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:48,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:48,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:09:48,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:09:48,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:09:48,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:48,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:48,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:09:48,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:09:48,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:09:48,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:09:49,073 INFO L134 CoverageAnalysis]: Checked inductivity of 4926 backedges. 1014 proven. 0 refuted. 0 times theorem prover too weak. 3912 trivial. 0 not checked. [2020-10-14 10:09:49,073 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [250573984] [2020-10-14 10:09:49,073 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:09:49,074 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 10:09:49,074 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475479220] [2020-10-14 10:09:49,075 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 10:09:49,075 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:09:49,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 10:09:49,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 10:09:49,075 INFO L87 Difference]: Start difference. First operand 20995 states and 27208 transitions. Second operand 3 states. [2020-10-14 10:09:49,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:09:49,549 INFO L93 Difference]: Finished difference Result 42137 states and 54559 transitions. [2020-10-14 10:09:49,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 10:09:49,550 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 656 [2020-10-14 10:09:49,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:09:49,572 INFO L225 Difference]: With dead ends: 42137 [2020-10-14 10:09:49,572 INFO L226 Difference]: Without dead ends: 21075 [2020-10-14 10:09:49,589 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 10:09:49,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21075 states. [2020-10-14 10:09:49,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21075 to 20955. [2020-10-14 10:09:49,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20955 states. [2020-10-14 10:09:49,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20955 states to 20955 states and 27088 transitions. [2020-10-14 10:09:49,984 INFO L78 Accepts]: Start accepts. Automaton has 20955 states and 27088 transitions. Word has length 656 [2020-10-14 10:09:49,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:09:49,985 INFO L479 AbstractCegarLoop]: Abstraction has 20955 states and 27088 transitions. [2020-10-14 10:09:49,985 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 10:09:49,985 INFO L276 IsEmpty]: Start isEmpty. Operand 20955 states and 27088 transitions. [2020-10-14 10:09:50,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 731 [2020-10-14 10:09:50,004 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:09:50,005 INFO L422 BasicCegarLoop]: trace histogram [24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 23, 23, 23, 23, 23, 21, 21, 19, 19, 17, 17, 15, 15, 15, 15, 12, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:09:50,005 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2020-10-14 10:09:50,005 INFO L427 AbstractCegarLoop]: === Iteration 33 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:09:50,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:09:50,006 INFO L82 PathProgramCache]: Analyzing trace with hash 767762629, now seen corresponding path program 1 times [2020-10-14 10:09:50,006 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:09:50,006 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1331887409] [2020-10-14 10:09:50,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:09:50,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:50,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:50,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:50,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 738 [2020-10-14 10:09:50,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:09:50,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 276 [2020-10-14 10:09:50,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:50,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:50,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 10:09:50,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 370 [2020-10-14 10:09:50,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-14 10:09:50,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:09:50,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:09:50,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:09:50,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:09:50,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:09:50,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:09:50,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:09:50,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:09:50,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:09:50,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:09:50,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:09:50,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:09:50,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:09:50,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:09:50,577 INFO L134 CoverageAnalysis]: Checked inductivity of 6057 backedges. 3606 proven. 16 refuted. 0 times theorem prover too weak. 2435 trivial. 0 not checked. [2020-10-14 10:09:50,577 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1331887409] [2020-10-14 10:09:50,577 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 10:09:50,578 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-10-14 10:09:50,578 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545849078] [2020-10-14 10:09:50,578 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 10:09:50,579 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:09:50,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 10:09:50,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 10:09:50,579 INFO L87 Difference]: Start difference. First operand 20955 states and 27088 transitions. Second operand 4 states. [2020-10-14 10:09:51,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:09:51,037 INFO L93 Difference]: Finished difference Result 34590 states and 44797 transitions. [2020-10-14 10:09:51,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 10:09:51,038 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 730 [2020-10-14 10:09:51,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:09:51,038 INFO L225 Difference]: With dead ends: 34590 [2020-10-14 10:09:51,038 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 10:09:51,073 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 10:09:51,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 10:09:51,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 10:09:51,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 10:09:51,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 10:09:51,074 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 730 [2020-10-14 10:09:51,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:09:51,074 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 10:09:51,074 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 10:09:51,074 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 10:09:51,075 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 10:09:51,075 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2020-10-14 10:09:51,077 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 10:09:52,317 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 290 DAG size of output: 220 [2020-10-14 10:09:52,822 WARN L193 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 235 [2020-10-14 10:09:53,309 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 238 [2020-10-14 10:09:53,663 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 233 [2020-10-14 10:09:54,020 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 253 [2020-10-14 10:09:54,301 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 211 [2020-10-14 10:09:54,550 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 220 [2020-10-14 10:09:54,802 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 171 [2020-10-14 10:09:54,910 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 92 [2020-10-14 10:09:55,132 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 161 [2020-10-14 10:09:55,315 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 208 [2020-10-14 10:09:55,507 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 196 [2020-10-14 10:10:05,750 WARN L193 SmtUtils]: Spent 10.24 s on a formula simplification. DAG size of input: 2339 DAG size of output: 835 [2020-10-14 10:10:05,896 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 153 [2020-10-14 10:10:15,957 WARN L193 SmtUtils]: Spent 10.05 s on a formula simplification. DAG size of input: 2339 DAG size of output: 835 [2020-10-14 10:10:16,176 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 218 [2020-10-14 10:10:17,310 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 212 DAG size of output: 32 [2020-10-14 10:10:18,260 WARN L193 SmtUtils]: Spent 946.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 34 [2020-10-14 10:10:18,395 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 16 [2020-10-14 10:10:19,282 WARN L193 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 30 [2020-10-14 10:10:20,235 WARN L193 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 9 [2020-10-14 10:10:20,614 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 32 [2020-10-14 10:10:21,413 WARN L193 SmtUtils]: Spent 788.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 33 [2020-10-14 10:10:22,128 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 28 [2020-10-14 10:10:23,174 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 212 DAG size of output: 32 [2020-10-14 10:10:23,950 WARN L193 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 33 [2020-10-14 10:10:24,126 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 32 [2020-10-14 10:10:24,612 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 32 [2020-10-14 10:10:25,303 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 43 [2020-10-14 10:10:26,373 WARN L193 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 32 [2020-10-14 10:10:27,638 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 188 DAG size of output: 35 [2020-10-14 10:10:37,343 WARN L193 SmtUtils]: Spent 9.70 s on a formula simplification. DAG size of input: 785 DAG size of output: 74 [2020-10-14 10:10:37,868 WARN L193 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 33 [2020-10-14 10:10:47,571 WARN L193 SmtUtils]: Spent 9.70 s on a formula simplification. DAG size of input: 785 DAG size of output: 74 [2020-10-14 10:10:48,364 WARN L193 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 34 [2020-10-14 10:10:48,370 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-10-14 10:10:48,370 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 10:10:48,371 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 10:10:48,371 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-14 10:10:48,371 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 10:10:48,371 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 10:10:48,371 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 611 622) the Hoare annotation is: true [2020-10-14 10:10:48,371 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 611 622) no Hoare annotation was computed. [2020-10-14 10:10:48,372 INFO L271 CegarLoopResult]: At program point L618(line 618) the Hoare annotation is: true [2020-10-14 10:10:48,372 INFO L268 CegarLoopResult]: For program point L618-1(line 618) no Hoare annotation was computed. [2020-10-14 10:10:48,372 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 611 622) no Hoare annotation was computed. [2020-10-14 10:10:48,372 INFO L268 CegarLoopResult]: For program point L432(lines 432 435) no Hoare annotation was computed. [2020-10-14 10:10:48,372 INFO L268 CegarLoopResult]: For program point L333(lines 333 371) no Hoare annotation was computed. [2020-10-14 10:10:48,373 INFO L264 CegarLoopResult]: At program point L201(lines 197 546) the Hoare annotation is: (let ((.cse1 (<= 8656 ssl3_accept_~s__state~0)) (.cse2 (<= ssl3_accept_~blastFlag~0 3))) (or (and (or (let ((.cse0 (+ ssl3_accept_~__cil_tmp56~0 256))) (<= .cse0 (* 4294967296 (div .cse0 4294967296)))) (and (<= ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0 ssl3_accept_~__cil_tmp56~0) (<= ssl3_accept_~__cil_tmp56~0 ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0))) .cse1 .cse2) (and (<= ssl3_accept_~blastFlag~0 1) .cse1) (and .cse1 (not (= ssl3_accept_~s__hit~0 0)) .cse2))) [2020-10-14 10:10:48,373 INFO L264 CegarLoopResult]: At program point L102(lines 101 578) the Hoare annotation is: (= 12292 ssl3_accept_~s__state~0) [2020-10-14 10:10:48,373 INFO L271 CegarLoopResult]: At program point L598(lines 97 599) the Hoare annotation is: true [2020-10-14 10:10:48,373 INFO L268 CegarLoopResult]: For program point L532(lines 532 534) no Hoare annotation was computed. [2020-10-14 10:10:48,373 INFO L264 CegarLoopResult]: At program point L400(lines 391 409) the Hoare annotation is: (let ((.cse1 (<= ssl3_accept_~blastFlag~0 2)) (.cse2 (<= ssl3_accept_~s__state~0 8560)) (.cse0 (<= 8512 ssl3_accept_~s__state~0))) (or (and (<= ssl3_accept_~s__state~0 8656) .cse0 (not (= ssl3_accept_~s__hit~0 0)) .cse1) (and .cse2 (or (let ((.cse3 (+ ssl3_accept_~__cil_tmp56~0 256))) (<= .cse3 (* 4294967296 (div .cse3 4294967296)))) (and (<= ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0 ssl3_accept_~__cil_tmp56~0) (<= ssl3_accept_~__cil_tmp56~0 ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0))) .cse0 .cse1) (and (<= ssl3_accept_~blastFlag~0 1) .cse2 .cse0))) [2020-10-14 10:10:48,374 INFO L268 CegarLoopResult]: For program point L203(lines 203 544) no Hoare annotation was computed. [2020-10-14 10:10:48,374 INFO L268 CegarLoopResult]: For program point L170(lines 170 555) no Hoare annotation was computed. [2020-10-14 10:10:48,374 INFO L268 CegarLoopResult]: For program point L137(lines 137 566) no Hoare annotation was computed. [2020-10-14 10:10:48,374 INFO L268 CegarLoopResult]: For program point L104(lines 104 577) no Hoare annotation was computed. [2020-10-14 10:10:48,374 INFO L268 CegarLoopResult]: For program point L336(lines 336 370) no Hoare annotation was computed. [2020-10-14 10:10:48,374 INFO L268 CegarLoopResult]: For program point L336-1(lines 336 370) no Hoare annotation was computed. [2020-10-14 10:10:48,374 INFO L271 CegarLoopResult]: At program point L204(lines 203 544) the Hoare annotation is: true [2020-10-14 10:10:48,375 INFO L264 CegarLoopResult]: At program point L171(lines 167 556) the Hoare annotation is: (let ((.cse1 (<= ssl3_accept_~blastFlag~0 2)) (.cse0 (<= 8512 ssl3_accept_~s__state~0)) (.cse3 (<= ssl3_accept_~s__state~0 8592))) (or (and (<= ssl3_accept_~s__state~0 8656) .cse0 (not (= ssl3_accept_~s__hit~0 0)) .cse1) (and (or (let ((.cse2 (+ ssl3_accept_~__cil_tmp56~0 256))) (<= .cse2 (* 4294967296 (div .cse2 4294967296)))) (and (<= ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0 ssl3_accept_~__cil_tmp56~0) (<= ssl3_accept_~__cil_tmp56~0 ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0))) .cse0 .cse1 .cse3) (and (<= ssl3_accept_~blastFlag~0 1) .cse0 .cse3))) [2020-10-14 10:10:48,375 INFO L264 CegarLoopResult]: At program point L138(lines 134 567) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8512)) (.cse1 (<= ssl3_accept_~blastFlag~0 2)) (.cse2 (<= 8496 ssl3_accept_~s__state~0))) (or (and (<= 8480 ssl3_accept_~s__state~0) .cse0 (not (= ssl3_accept_~s__hit~0 0)) .cse1) (and .cse0 (<= ssl3_accept_~blastFlag~0 1) .cse2) (and .cse0 (or (let ((.cse3 (+ ssl3_accept_~__cil_tmp56~0 256))) (<= .cse3 (* 4294967296 (div .cse3 4294967296)))) (and (<= ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0 ssl3_accept_~__cil_tmp56~0) (<= ssl3_accept_~__cil_tmp56~0 ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0))) .cse1 .cse2))) [2020-10-14 10:10:48,375 INFO L268 CegarLoopResult]: For program point L469(lines 469 471) no Hoare annotation was computed. [2020-10-14 10:10:48,375 INFO L268 CegarLoopResult]: For program point L403(lines 403 405) no Hoare annotation was computed. [2020-10-14 10:10:48,375 INFO L268 CegarLoopResult]: For program point L337(lines 337 367) no Hoare annotation was computed. [2020-10-14 10:10:48,375 INFO L271 CegarLoopResult]: At program point L206(lines 205 544) the Hoare annotation is: true [2020-10-14 10:10:48,376 INFO L268 CegarLoopResult]: For program point L173(lines 173 554) no Hoare annotation was computed. [2020-10-14 10:10:48,376 INFO L268 CegarLoopResult]: For program point L140(lines 140 565) no Hoare annotation was computed. [2020-10-14 10:10:48,376 INFO L268 CegarLoopResult]: For program point L107(lines 107 576) no Hoare annotation was computed. [2020-10-14 10:10:48,376 INFO L268 CegarLoopResult]: For program point L603(lines 603 605) no Hoare annotation was computed. [2020-10-14 10:10:48,376 INFO L268 CegarLoopResult]: For program point L603-2(lines 603 605) no Hoare annotation was computed. [2020-10-14 10:10:48,376 INFO L268 CegarLoopResult]: For program point L504(lines 504 507) no Hoare annotation was computed. [2020-10-14 10:10:48,376 INFO L268 CegarLoopResult]: For program point L273(lines 273 275) no Hoare annotation was computed. [2020-10-14 10:10:48,377 INFO L268 CegarLoopResult]: For program point L273-2(lines 207 541) no Hoare annotation was computed. [2020-10-14 10:10:48,377 INFO L268 CegarLoopResult]: For program point L307(lines 307 314) no Hoare annotation was computed. [2020-10-14 10:10:48,377 INFO L268 CegarLoopResult]: For program point L307-2(lines 307 314) no Hoare annotation was computed. [2020-10-14 10:10:48,377 INFO L271 CegarLoopResult]: At program point ssl3_acceptENTRY(lines 10 610) the Hoare annotation is: true [2020-10-14 10:10:48,377 INFO L268 CegarLoopResult]: For program point L242(lines 242 252) no Hoare annotation was computed. [2020-10-14 10:10:48,377 INFO L268 CegarLoopResult]: For program point L176(lines 176 553) no Hoare annotation was computed. [2020-10-14 10:10:48,377 INFO L268 CegarLoopResult]: For program point L143(lines 143 564) no Hoare annotation was computed. [2020-10-14 10:10:48,378 INFO L268 CegarLoopResult]: For program point L110(lines 110 575) no Hoare annotation was computed. [2020-10-14 10:10:48,378 INFO L268 CegarLoopResult]: For program point L342(lines 342 365) no Hoare annotation was computed. [2020-10-14 10:10:48,378 INFO L268 CegarLoopResult]: For program point L243(lines 243 246) no Hoare annotation was computed. [2020-10-14 10:10:48,378 INFO L264 CegarLoopResult]: At program point L210(lines 104 577) the Hoare annotation is: (or (<= 8656 ssl3_accept_~s__state~0) (<= ssl3_accept_~s__state~0 8448)) [2020-10-14 10:10:48,378 INFO L264 CegarLoopResult]: At program point L177(lines 173 554) the Hoare annotation is: (let ((.cse1 (<= ssl3_accept_~blastFlag~0 2)) (.cse0 (<= 8512 ssl3_accept_~s__state~0)) (.cse3 (<= ssl3_accept_~s__state~0 8608))) (or (and (<= ssl3_accept_~s__state~0 8656) .cse0 (not (= ssl3_accept_~s__hit~0 0)) .cse1) (and (or (let ((.cse2 (+ ssl3_accept_~__cil_tmp56~0 256))) (<= .cse2 (* 4294967296 (div .cse2 4294967296)))) (and (<= ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0 ssl3_accept_~__cil_tmp56~0) (<= ssl3_accept_~__cil_tmp56~0 ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0))) .cse0 .cse1 .cse3) (and (<= ssl3_accept_~blastFlag~0 1) .cse0 .cse3))) [2020-10-14 10:10:48,378 INFO L264 CegarLoopResult]: At program point L144(lines 140 565) the Hoare annotation is: (and (<= 8512 ssl3_accept_~s__state~0) (<= ssl3_accept_~s__state~0 8528) (<= ssl3_accept_~blastFlag~0 2)) [2020-10-14 10:10:48,378 INFO L264 CegarLoopResult]: At program point L542(lines 98 597) the Hoare annotation is: (let ((.cse19 (= ssl3_accept_~s__hit~0 0))) (let ((.cse3 (= 8576 ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse7 (<= ssl3_accept_~s__state~0 8512)) (.cse9 (<= 8640 ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse15 (<= ssl3_accept_~s__state~0 8466)) (.cse16 (<= 8466 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~blastFlag~0 2)) (.cse8 (<= 8496 ssl3_accept_~s__state~0)) (.cse4 (<= 8640 ssl3_accept_~s__state~0)) (.cse5 (<= ssl3_accept_~s__state~0 8640)) (.cse0 (or (let ((.cse20 (+ ssl3_accept_~__cil_tmp56~0 256))) (<= .cse20 (* 4294967296 (div .cse20 4294967296)))) (and (<= ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0 ssl3_accept_~__cil_tmp56~0) (<= ssl3_accept_~__cil_tmp56~0 ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0)))) (.cse2 (<= ssl3_accept_~s__state~0 8448)) (.cse18 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 3)) (.cse12 (<= 8512 ssl3_accept_~s__state~0)) (.cse17 (<= ssl3_accept_~s__state~0 8608)) (.cse6 (<= ssl3_accept_~blastFlag~0 1)) (.cse13 (<= ssl3_accept_~s__state~0 8672)) (.cse14 (<= 8656 ssl3_accept_~s__state~0)) (.cse10 (not .cse19)) (.cse11 (<= ssl3_accept_~blastFlag~0 3))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse1) (and .cse6 .cse2 .cse3) (and .cse7 .cse6 .cse8) (and .cse9 .cse10 .cse2 .cse11) (and .cse10 .cse1) (and .cse7 .cse12 .cse1) (and .cse13 .cse0 .cse14 .cse11) (<= ssl3_accept_~blastFlag~0 0) (and .cse4 .cse9 .cse10 .cse11) (and .cse6 .cse15 .cse16) (and .cse0 .cse1 .cse15 .cse16) (and .cse0 .cse1 .cse8 .cse17) (and .cse6 .cse2 .cse18) (and .cse6 .cse4 .cse5) (and .cse19 .cse0 .cse2 .cse11 .cse18) (and .cse6 .cse12 .cse17) (and .cse13 .cse6 .cse14) (and .cse13 .cse14 .cse10 .cse11)))) [2020-10-14 10:10:48,378 INFO L268 CegarLoopResult]: For program point L443(lines 443 445) no Hoare annotation was computed. [2020-10-14 10:10:48,379 INFO L268 CegarLoopResult]: For program point L311(lines 311 313) no Hoare annotation was computed. [2020-10-14 10:10:48,379 INFO L268 CegarLoopResult]: For program point L179(lines 179 552) no Hoare annotation was computed. [2020-10-14 10:10:48,379 INFO L268 CegarLoopResult]: For program point L146(lines 146 563) no Hoare annotation was computed. [2020-10-14 10:10:48,379 INFO L268 CegarLoopResult]: For program point L113(lines 113 574) no Hoare annotation was computed. [2020-10-14 10:10:48,379 INFO L268 CegarLoopResult]: For program point L345(lines 345 349) no Hoare annotation was computed. [2020-10-14 10:10:48,379 INFO L268 CegarLoopResult]: For program point L345-2(lines 345 349) no Hoare annotation was computed. [2020-10-14 10:10:48,379 INFO L268 CegarLoopResult]: For program point L81(lines 81 87) no Hoare annotation was computed. [2020-10-14 10:10:48,379 INFO L268 CegarLoopResult]: For program point L478(lines 478 480) no Hoare annotation was computed. [2020-10-14 10:10:48,379 INFO L268 CegarLoopResult]: For program point L379(lines 379 411) no Hoare annotation was computed. [2020-10-14 10:10:48,380 INFO L268 CegarLoopResult]: For program point L512(lines 512 514) no Hoare annotation was computed. [2020-10-14 10:10:48,380 INFO L268 CegarLoopResult]: For program point L446(lines 446 455) no Hoare annotation was computed. [2020-10-14 10:10:48,380 INFO L268 CegarLoopResult]: For program point L380(lines 380 386) no Hoare annotation was computed. [2020-10-14 10:10:48,380 INFO L268 CegarLoopResult]: For program point L215(lines 215 217) no Hoare annotation was computed. [2020-10-14 10:10:48,380 INFO L268 CegarLoopResult]: For program point L182(lines 182 551) no Hoare annotation was computed. [2020-10-14 10:10:48,380 INFO L268 CegarLoopResult]: For program point L149(lines 149 562) no Hoare annotation was computed. [2020-10-14 10:10:48,380 INFO L268 CegarLoopResult]: For program point L215-2(lines 215 217) no Hoare annotation was computed. [2020-10-14 10:10:48,380 INFO L268 CegarLoopResult]: For program point L116(lines 116 573) no Hoare annotation was computed. [2020-10-14 10:10:48,380 INFO L268 CegarLoopResult]: For program point L579(lines 579 595) no Hoare annotation was computed. [2020-10-14 10:10:48,381 INFO L264 CegarLoopResult]: At program point L513(lines 71 609) the Hoare annotation is: false [2020-10-14 10:10:48,381 INFO L264 CegarLoopResult]: At program point L183(lines 179 552) the Hoare annotation is: (let ((.cse0 (<= 8512 ssl3_accept_~s__state~0)) (.cse2 (<= ssl3_accept_~s__state~0 8640)) (.cse1 (<= ssl3_accept_~blastFlag~0 2))) (or (and (<= ssl3_accept_~s__state~0 8656) .cse0 (not (= ssl3_accept_~s__hit~0 0)) .cse1) (and (<= ssl3_accept_~blastFlag~0 1) .cse0 .cse2) (and (or (let ((.cse3 (+ ssl3_accept_~__cil_tmp56~0 256))) (<= .cse3 (* 4294967296 (div .cse3 4294967296)))) (and (<= ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0 ssl3_accept_~__cil_tmp56~0) (<= ssl3_accept_~__cil_tmp56~0 ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0))) .cse0 .cse2 .cse1))) [2020-10-14 10:10:48,381 INFO L264 CegarLoopResult]: At program point L150(lines 146 563) the Hoare annotation is: (let ((.cse3 (<= ssl3_accept_~blastFlag~0 2)) (.cse0 (<= ssl3_accept_~s__state~0 8544)) (.cse2 (<= 8512 ssl3_accept_~s__state~0))) (or (and .cse0 (or (let ((.cse1 (+ ssl3_accept_~__cil_tmp56~0 256))) (<= .cse1 (* 4294967296 (div .cse1 4294967296)))) (and (<= ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0 ssl3_accept_~__cil_tmp56~0) (<= ssl3_accept_~__cil_tmp56~0 ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0))) .cse2 .cse3) (and (<= ssl3_accept_~s__state~0 8656) .cse2 (not (= ssl3_accept_~s__hit~0 0)) .cse3) (and .cse0 (<= ssl3_accept_~blastFlag~0 1) .cse2))) [2020-10-14 10:10:48,381 INFO L268 CegarLoopResult]: For program point L84(lines 84 86) no Hoare annotation was computed. [2020-10-14 10:10:48,381 INFO L268 CegarLoopResult]: For program point L84-2(lines 81 87) no Hoare annotation was computed. [2020-10-14 10:10:48,381 INFO L268 CegarLoopResult]: For program point L580(lines 580 594) no Hoare annotation was computed. [2020-10-14 10:10:48,381 INFO L268 CegarLoopResult]: For program point L481(lines 481 485) no Hoare annotation was computed. [2020-10-14 10:10:48,381 INFO L268 CegarLoopResult]: For program point L481-2(lines 481 485) no Hoare annotation was computed. [2020-10-14 10:10:48,382 INFO L268 CegarLoopResult]: For program point L581(lines 581 586) no Hoare annotation was computed. [2020-10-14 10:10:48,382 INFO L268 CegarLoopResult]: For program point L515(lines 515 517) no Hoare annotation was computed. [2020-10-14 10:10:48,382 INFO L268 CegarLoopResult]: For program point L581-2(lines 580 594) no Hoare annotation was computed. [2020-10-14 10:10:48,382 INFO L268 CegarLoopResult]: For program point L185(lines 185 550) no Hoare annotation was computed. [2020-10-14 10:10:48,382 INFO L268 CegarLoopResult]: For program point L152(lines 152 561) no Hoare annotation was computed. [2020-10-14 10:10:48,382 INFO L268 CegarLoopResult]: For program point L119(lines 119 572) no Hoare annotation was computed. [2020-10-14 10:10:48,382 INFO L268 CegarLoopResult]: For program point L450(lines 450 452) no Hoare annotation was computed. [2020-10-14 10:10:48,382 INFO L264 CegarLoopResult]: At program point L120(lines 116 573) the Hoare annotation is: (let ((.cse0 (<= 8480 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~s__state~0 8512))) (or (and .cse0 .cse1 (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~blastFlag~0 2)) (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 0)))) [2020-10-14 10:10:48,383 INFO L268 CegarLoopResult]: For program point L583(lines 583 585) no Hoare annotation was computed. [2020-10-14 10:10:48,383 INFO L268 CegarLoopResult]: For program point L286(lines 286 292) no Hoare annotation was computed. [2020-10-14 10:10:48,383 INFO L268 CegarLoopResult]: For program point L220(lines 220 222) no Hoare annotation was computed. [2020-10-14 10:10:48,383 INFO L268 CegarLoopResult]: For program point L353(lines 353 361) no Hoare annotation was computed. [2020-10-14 10:10:48,383 INFO L268 CegarLoopResult]: For program point L188(lines 188 549) no Hoare annotation was computed. [2020-10-14 10:10:48,383 INFO L268 CegarLoopResult]: For program point L155(lines 155 560) no Hoare annotation was computed. [2020-10-14 10:10:48,383 INFO L268 CegarLoopResult]: For program point L122(lines 122 571) no Hoare annotation was computed. [2020-10-14 10:10:48,383 INFO L268 CegarLoopResult]: For program point L89(lines 89 93) no Hoare annotation was computed. [2020-10-14 10:10:48,383 INFO L268 CegarLoopResult]: For program point L89-1(lines 71 609) no Hoare annotation was computed. [2020-10-14 10:10:48,384 INFO L268 CegarLoopResult]: For program point ssl3_acceptEXIT(lines 10 610) no Hoare annotation was computed. [2020-10-14 10:10:48,384 INFO L268 CegarLoopResult]: For program point L519(lines 519 523) no Hoare annotation was computed. [2020-10-14 10:10:48,384 INFO L268 CegarLoopResult]: For program point L519-2(lines 519 523) no Hoare annotation was computed. [2020-10-14 10:10:48,384 INFO L264 CegarLoopResult]: At program point L354(lines 330 372) the Hoare annotation is: (let ((.cse3 (<= ssl3_accept_~blastFlag~0 2)) (.cse0 (<= ssl3_accept_~s__state~0 8544)) (.cse2 (<= 8512 ssl3_accept_~s__state~0))) (or (and .cse0 (or (let ((.cse1 (+ ssl3_accept_~__cil_tmp56~0 256))) (<= .cse1 (* 4294967296 (div .cse1 4294967296)))) (and (<= ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0 ssl3_accept_~__cil_tmp56~0) (<= ssl3_accept_~__cil_tmp56~0 ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0))) .cse2 .cse3) (and (<= ssl3_accept_~s__state~0 8656) .cse2 (not (= ssl3_accept_~s__hit~0 0)) .cse3) (and .cse0 (<= ssl3_accept_~blastFlag~0 1) .cse2))) [2020-10-14 10:10:48,384 INFO L264 CegarLoopResult]: At program point L189(lines 185 550) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8656)) (.cse1 (<= 8640 ssl3_accept_~s__state~0)) (.cse2 (not (= ssl3_accept_~s__hit~0 0))) (.cse4 (<= ssl3_accept_~blastFlag~0 2))) (or (and (<= ssl3_accept_~blastFlag~0 1) .cse0 .cse1) (and .cse0 .cse1 (<= 8640 ssl3_accept_~s__s3__tmp__next_state___0~0) .cse2 (<= ssl3_accept_~blastFlag~0 3)) (and (or (let ((.cse3 (+ ssl3_accept_~__cil_tmp56~0 256))) (<= .cse3 (* 4294967296 (div .cse3 4294967296)))) (and (<= ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0 ssl3_accept_~__cil_tmp56~0) (<= ssl3_accept_~__cil_tmp56~0 ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0))) .cse0 .cse1 .cse4) (and .cse0 .cse1 .cse2 .cse4))) [2020-10-14 10:10:48,385 INFO L264 CegarLoopResult]: At program point L156(lines 152 561) the Hoare annotation is: (let ((.cse1 (<= ssl3_accept_~blastFlag~0 2)) (.cse2 (<= ssl3_accept_~s__state~0 8560)) (.cse0 (<= 8512 ssl3_accept_~s__state~0))) (or (and (<= ssl3_accept_~s__state~0 8656) .cse0 (not (= ssl3_accept_~s__hit~0 0)) .cse1) (and .cse2 (or (let ((.cse3 (+ ssl3_accept_~__cil_tmp56~0 256))) (<= .cse3 (* 4294967296 (div .cse3 4294967296)))) (and (<= ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0 ssl3_accept_~__cil_tmp56~0) (<= ssl3_accept_~__cil_tmp56~0 ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0))) .cse0 .cse1) (and (<= ssl3_accept_~blastFlag~0 1) .cse2 .cse0))) [2020-10-14 10:10:48,385 INFO L264 CegarLoopResult]: At program point L123(lines 122 571) the Hoare annotation is: (let ((.cse0 (<= 8480 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~s__state~0 8512))) (or (and .cse0 .cse1 (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~blastFlag~0 2)) (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 0)))) [2020-10-14 10:10:48,385 INFO L268 CegarLoopResult]: For program point L90(lines 90 92) no Hoare annotation was computed. [2020-10-14 10:10:48,385 INFO L268 CegarLoopResult]: For program point L421(lines 421 423) no Hoare annotation was computed. [2020-10-14 10:10:48,385 INFO L264 CegarLoopResult]: At program point L388(lines 379 411) the Hoare annotation is: (let ((.cse1 (<= ssl3_accept_~blastFlag~0 2)) (.cse2 (<= ssl3_accept_~s__state~0 8560)) (.cse0 (<= 8512 ssl3_accept_~s__state~0))) (or (and (<= ssl3_accept_~s__state~0 8656) .cse0 (not (= ssl3_accept_~s__hit~0 0)) .cse1) (and .cse2 (or (let ((.cse3 (+ ssl3_accept_~__cil_tmp56~0 256))) (<= .cse3 (* 4294967296 (div .cse3 4294967296)))) (and (<= ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0 ssl3_accept_~__cil_tmp56~0) (<= ssl3_accept_~__cil_tmp56~0 ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0))) .cse0 .cse1) (and (<= ssl3_accept_~blastFlag~0 1) .cse2 .cse0))) [2020-10-14 10:10:48,385 INFO L268 CegarLoopResult]: For program point L289(lines 289 291) no Hoare annotation was computed. [2020-10-14 10:10:48,386 INFO L268 CegarLoopResult]: For program point L289-2(lines 207 541) no Hoare annotation was computed. [2020-10-14 10:10:48,386 INFO L268 CegarLoopResult]: For program point L356(lines 356 358) no Hoare annotation was computed. [2020-10-14 10:10:48,386 INFO L268 CegarLoopResult]: For program point L191(lines 191 548) no Hoare annotation was computed. [2020-10-14 10:10:48,386 INFO L268 CegarLoopResult]: For program point L158(lines 158 559) no Hoare annotation was computed. [2020-10-14 10:10:48,386 INFO L268 CegarLoopResult]: For program point L125(lines 125 570) no Hoare annotation was computed. [2020-10-14 10:10:48,386 INFO L268 CegarLoopResult]: For program point L588(lines 588 592) no Hoare annotation was computed. [2020-10-14 10:10:48,386 INFO L268 CegarLoopResult]: For program point ssl3_acceptFINAL(lines 10 610) no Hoare annotation was computed. [2020-10-14 10:10:48,386 INFO L268 CegarLoopResult]: For program point L324(lines 324 328) no Hoare annotation was computed. [2020-10-14 10:10:48,386 INFO L268 CegarLoopResult]: For program point L258(lines 258 260) no Hoare annotation was computed. [2020-10-14 10:10:48,387 INFO L268 CegarLoopResult]: For program point L324-2(lines 207 541) no Hoare annotation was computed. [2020-10-14 10:10:48,387 INFO L268 CegarLoopResult]: For program point L225(lines 225 236) no Hoare annotation was computed. [2020-10-14 10:10:48,387 INFO L268 CegarLoopResult]: For program point L225-2(lines 207 541) no Hoare annotation was computed. [2020-10-14 10:10:48,387 INFO L268 CegarLoopResult]: For program point L391(lines 391 409) no Hoare annotation was computed. [2020-10-14 10:10:48,387 INFO L268 CegarLoopResult]: For program point L491(lines 491 494) no Hoare annotation was computed. [2020-10-14 10:10:48,387 INFO L268 CegarLoopResult]: For program point L392(lines 392 398) no Hoare annotation was computed. [2020-10-14 10:10:48,387 INFO L268 CegarLoopResult]: For program point L227(lines 227 230) no Hoare annotation was computed. [2020-10-14 10:10:48,387 INFO L268 CegarLoopResult]: For program point L194(lines 194 547) no Hoare annotation was computed. [2020-10-14 10:10:48,387 INFO L268 CegarLoopResult]: For program point L161(lines 161 558) no Hoare annotation was computed. [2020-10-14 10:10:48,387 INFO L268 CegarLoopResult]: For program point L128(lines 128 569) no Hoare annotation was computed. [2020-10-14 10:10:48,388 INFO L264 CegarLoopResult]: At program point L195(lines 191 548) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8672)) (.cse1 (<= 8656 ssl3_accept_~s__state~0)) (.cse3 (<= ssl3_accept_~blastFlag~0 3))) (or (and .cse0 (<= ssl3_accept_~blastFlag~0 1) .cse1) (and .cse0 (or (let ((.cse2 (+ ssl3_accept_~__cil_tmp56~0 256))) (<= .cse2 (* 4294967296 (div .cse2 4294967296)))) (and (<= ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0 ssl3_accept_~__cil_tmp56~0) (<= ssl3_accept_~__cil_tmp56~0 ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0))) .cse1 .cse3) (and .cse0 .cse1 (not (= ssl3_accept_~s__hit~0 0)) .cse3))) [2020-10-14 10:10:48,388 INFO L264 CegarLoopResult]: At program point L162(lines 158 559) the Hoare annotation is: (let ((.cse1 (<= ssl3_accept_~blastFlag~0 2)) (.cse0 (<= 8512 ssl3_accept_~s__state~0)) (.cse3 (<= ssl3_accept_~s__state~0 8592))) (or (and (<= ssl3_accept_~s__state~0 8656) .cse0 (not (= ssl3_accept_~s__hit~0 0)) .cse1) (and (or (let ((.cse2 (+ ssl3_accept_~__cil_tmp56~0 256))) (<= .cse2 (* 4294967296 (div .cse2 4294967296)))) (and (<= ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0 ssl3_accept_~__cil_tmp56~0) (<= ssl3_accept_~__cil_tmp56~0 ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0))) .cse0 .cse3 .cse1) (and (<= ssl3_accept_~blastFlag~0 1) .cse0 .cse3))) [2020-10-14 10:10:48,388 INFO L268 CegarLoopResult]: For program point L460(lines 460 462) no Hoare annotation was computed. [2020-10-14 10:10:48,388 INFO L268 CegarLoopResult]: For program point L296(lines 296 300) no Hoare annotation was computed. [2020-10-14 10:10:48,388 INFO L268 CegarLoopResult]: For program point L296-2(lines 296 300) no Hoare annotation was computed. [2020-10-14 10:10:48,388 INFO L268 CegarLoopResult]: For program point L197(lines 197 546) no Hoare annotation was computed. [2020-10-14 10:10:48,389 INFO L268 CegarLoopResult]: For program point L164(lines 164 557) no Hoare annotation was computed. [2020-10-14 10:10:48,389 INFO L268 CegarLoopResult]: For program point L131(lines 131 568) no Hoare annotation was computed. [2020-10-14 10:10:48,389 INFO L268 CegarLoopResult]: For program point ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION(line 607) no Hoare annotation was computed. [2020-10-14 10:10:48,389 INFO L264 CegarLoopResult]: At program point L98-2(lines 98 597) the Hoare annotation is: (let ((.cse19 (= ssl3_accept_~s__hit~0 0))) (let ((.cse3 (= 8576 ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse7 (<= ssl3_accept_~s__state~0 8512)) (.cse9 (<= 8640 ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse15 (<= ssl3_accept_~s__state~0 8466)) (.cse16 (<= 8466 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~blastFlag~0 2)) (.cse8 (<= 8496 ssl3_accept_~s__state~0)) (.cse4 (<= 8640 ssl3_accept_~s__state~0)) (.cse5 (<= ssl3_accept_~s__state~0 8640)) (.cse0 (or (let ((.cse20 (+ ssl3_accept_~__cil_tmp56~0 256))) (<= .cse20 (* 4294967296 (div .cse20 4294967296)))) (and (<= ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0 ssl3_accept_~__cil_tmp56~0) (<= ssl3_accept_~__cil_tmp56~0 ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0)))) (.cse2 (<= ssl3_accept_~s__state~0 8448)) (.cse18 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 3)) (.cse12 (<= 8512 ssl3_accept_~s__state~0)) (.cse17 (<= ssl3_accept_~s__state~0 8608)) (.cse6 (<= ssl3_accept_~blastFlag~0 1)) (.cse13 (<= ssl3_accept_~s__state~0 8672)) (.cse14 (<= 8656 ssl3_accept_~s__state~0)) (.cse10 (not .cse19)) (.cse11 (<= ssl3_accept_~blastFlag~0 3))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse1) (and .cse6 .cse2 .cse3) (and .cse7 .cse6 .cse8) (and .cse9 .cse10 .cse2 .cse11) (and .cse10 .cse1) (and .cse7 .cse12 .cse1) (and .cse13 .cse0 .cse14 .cse11) (<= ssl3_accept_~blastFlag~0 0) (and .cse4 .cse9 .cse10 .cse11) (and .cse6 .cse15 .cse16) (and .cse0 .cse1 .cse15 .cse16) (and .cse0 .cse1 .cse8 .cse17) (and .cse6 .cse2 .cse18) (and .cse6 .cse4 .cse5) (and .cse19 .cse0 .cse2 .cse11 .cse18) (and .cse6 .cse12 .cse17) (and .cse13 .cse6 .cse14) (and .cse13 .cse14 .cse10 .cse11)))) [2020-10-14 10:10:48,389 INFO L268 CegarLoopResult]: For program point L429-1(lines 429 437) no Hoare annotation was computed. [2020-10-14 10:10:48,389 INFO L268 CegarLoopResult]: For program point L231(lines 231 234) no Hoare annotation was computed. [2020-10-14 10:10:48,390 INFO L264 CegarLoopResult]: At program point L165(lines 164 557) the Hoare annotation is: (let ((.cse5 (= ssl3_accept_~s__hit~0 0))) (let ((.cse1 (or (let ((.cse10 (+ ssl3_accept_~__cil_tmp56~0 256))) (<= .cse10 (* 4294967296 (div .cse10 4294967296)))) (and (<= ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0 ssl3_accept_~__cil_tmp56~0) (<= ssl3_accept_~__cil_tmp56~0 ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0)))) (.cse7 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 3)) (.cse8 (<= ssl3_accept_~blastFlag~0 1)) (.cse4 (= 8576 ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse6 (<= ssl3_accept_~blastFlag~0 3)) (.cse0 (<= 8448 ssl3_accept_~s__state~0)) (.cse9 (not .cse5)) (.cse2 (<= ssl3_accept_~blastFlag~0 2)) (.cse3 (<= ssl3_accept_~s__state~0 8448))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse1 .cse3 .cse6 .cse7) (and .cse0 .cse8 .cse3 .cse7) (and .cse0 .cse3 (<= ssl3_accept_~blastFlag~0 0)) (and .cse0 .cse8 .cse3 .cse4) (and .cse0 (<= 8640 ssl3_accept_~s__s3__tmp__next_state___0~0) .cse9 .cse3 .cse6) (and .cse0 .cse9 .cse2 .cse3)))) [2020-10-14 10:10:48,390 INFO L264 CegarLoopResult]: At program point L132(lines 125 570) the Hoare annotation is: (let ((.cse1 (<= ssl3_accept_~blastFlag~0 2)) (.cse0 (<= 8448 ssl3_accept_~s__state~0)) (.cse3 (<= ssl3_accept_~s__state~0 8466))) (or (and .cse0 (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~s__state~0 8480) .cse1) (and .cse0 (or (let ((.cse2 (+ ssl3_accept_~__cil_tmp56~0 256))) (<= .cse2 (* 4294967296 (div .cse2 4294967296)))) (and (<= ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0 ssl3_accept_~__cil_tmp56~0) (<= ssl3_accept_~__cil_tmp56~0 ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0))) .cse1 .cse3) (and .cse0 (<= ssl3_accept_~blastFlag~0 1) .cse3))) [2020-10-14 10:10:48,390 INFO L268 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-14 10:10:48,390 INFO L268 CegarLoopResult]: For program point L529(lines 529 535) no Hoare annotation was computed. [2020-10-14 10:10:48,390 INFO L268 CegarLoopResult]: For program point L496(lines 496 498) no Hoare annotation was computed. [2020-10-14 10:10:48,390 INFO L268 CegarLoopResult]: For program point L529-1(lines 529 535) no Hoare annotation was computed. [2020-10-14 10:10:48,390 INFO L268 CegarLoopResult]: For program point L496-2(lines 207 541) no Hoare annotation was computed. [2020-10-14 10:10:48,391 INFO L268 CegarLoopResult]: For program point L200(lines 200 545) no Hoare annotation was computed. [2020-10-14 10:10:48,391 INFO L268 CegarLoopResult]: For program point L167(lines 167 556) no Hoare annotation was computed. [2020-10-14 10:10:48,391 INFO L268 CegarLoopResult]: For program point L134(lines 134 567) no Hoare annotation was computed. [2020-10-14 10:10:48,391 INFO L268 CegarLoopResult]: For program point L101(lines 101 578) no Hoare annotation was computed. [2020-10-14 10:10:48,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 10:10:48 BoogieIcfgContainer [2020-10-14 10:10:48,428 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 10:10:48,429 INFO L168 Benchmark]: Toolchain (without parser) took 147663.52 ms. Allocated memory was 147.8 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 103.8 MB in the beginning and 118.3 MB in the end (delta: -14.5 MB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2020-10-14 10:10:48,430 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.0 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-10-14 10:10:48,430 INFO L168 Benchmark]: CACSL2BoogieTranslator took 538.13 ms. Allocated memory was 147.8 MB in the beginning and 205.0 MB in the end (delta: 57.1 MB). Free memory was 103.8 MB in the beginning and 180.7 MB in the end (delta: -76.9 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. [2020-10-14 10:10:48,431 INFO L168 Benchmark]: Boogie Preprocessor took 62.55 ms. Allocated memory is still 205.0 MB. Free memory was 180.7 MB in the beginning and 177.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2020-10-14 10:10:48,431 INFO L168 Benchmark]: RCFGBuilder took 805.56 ms. Allocated memory is still 205.0 MB. Free memory was 177.8 MB in the beginning and 127.7 MB in the end (delta: 50.1 MB). Peak memory consumption was 50.1 MB. Max. memory is 7.1 GB. [2020-10-14 10:10:48,431 INFO L168 Benchmark]: TraceAbstraction took 146251.58 ms. Allocated memory was 205.0 MB in the beginning and 2.7 GB in the end (delta: 2.4 GB). Free memory was 126.7 MB in the beginning and 118.3 MB in the end (delta: 8.4 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2020-10-14 10:10:48,433 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.0 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 538.13 ms. Allocated memory was 147.8 MB in the beginning and 205.0 MB in the end (delta: 57.1 MB). Free memory was 103.8 MB in the beginning and 180.7 MB in the end (delta: -76.9 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 62.55 ms. Allocated memory is still 205.0 MB. Free memory was 180.7 MB in the beginning and 177.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 805.56 ms. Allocated memory is still 205.0 MB. Free memory was 177.8 MB in the beginning and 127.7 MB in the end (delta: 50.1 MB). Peak memory consumption was 50.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 146251.58 ms. Allocated memory was 205.0 MB in the beginning and 2.7 GB in the end (delta: 2.4 GB). Free memory was 126.7 MB in the beginning and 118.3 MB in the end (delta: 8.4 MB). 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: 607]: 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: 330]: Loop Invariant Derived loop invariant: ((((s__state <= 8544 && (__cil_tmp56 + 256 <= 4294967296 * ((__cil_tmp56 + 256) / 4294967296) || (s__s3__tmp__new_cipher__algorithms <= __cil_tmp56 && __cil_tmp56 <= s__s3__tmp__new_cipher__algorithms))) && 8512 <= s__state) && blastFlag <= 2) || (((s__state <= 8656 && 8512 <= s__state) && !(s__hit == 0)) && blastFlag <= 2)) || ((s__state <= 8544 && blastFlag <= 1) && 8512 <= s__state) - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: ((((s__state <= 8656 && 8512 <= s__state) && !(s__hit == 0)) && blastFlag <= 2) || ((((__cil_tmp56 + 256 <= 4294967296 * ((__cil_tmp56 + 256) / 4294967296) || (s__s3__tmp__new_cipher__algorithms <= __cil_tmp56 && __cil_tmp56 <= s__s3__tmp__new_cipher__algorithms)) && 8512 <= s__state) && s__state <= 8592) && blastFlag <= 2)) || ((blastFlag <= 1 && 8512 <= s__state) && s__state <= 8592) - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: (((8480 <= s__state && s__state <= 8512) && !(s__hit == 0)) && blastFlag <= 2) || ((8480 <= s__state && s__state <= 8512) && blastFlag <= 0) - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: (((s__state <= 8672 && blastFlag <= 1) && 8656 <= s__state) || (((s__state <= 8672 && (__cil_tmp56 + 256 <= 4294967296 * ((__cil_tmp56 + 256) / 4294967296) || (s__s3__tmp__new_cipher__algorithms <= __cil_tmp56 && __cil_tmp56 <= s__s3__tmp__new_cipher__algorithms))) && 8656 <= s__state) && blastFlag <= 3)) || (((s__state <= 8672 && 8656 <= s__state) && !(s__hit == 0)) && blastFlag <= 3) - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: (8512 <= s__state && s__state <= 8528) && blastFlag <= 2 - InvariantResult [Line: 391]: Loop Invariant Derived loop invariant: ((((s__state <= 8656 && 8512 <= s__state) && !(s__hit == 0)) && blastFlag <= 2) || (((s__state <= 8560 && (__cil_tmp56 + 256 <= 4294967296 * ((__cil_tmp56 + 256) / 4294967296) || (s__s3__tmp__new_cipher__algorithms <= __cil_tmp56 && __cil_tmp56 <= s__s3__tmp__new_cipher__algorithms))) && 8512 <= s__state) && blastFlag <= 2)) || ((blastFlag <= 1 && s__state <= 8560) && 8512 <= s__state) - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: 12292 == s__state - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: ((((s__state <= 8656 && 8512 <= s__state) && !(s__hit == 0)) && blastFlag <= 2) || ((((__cil_tmp56 + 256 <= 4294967296 * ((__cil_tmp56 + 256) / 4294967296) || (s__s3__tmp__new_cipher__algorithms <= __cil_tmp56 && __cil_tmp56 <= s__s3__tmp__new_cipher__algorithms)) && 8512 <= s__state) && blastFlag <= 2) && s__state <= 8608)) || ((blastFlag <= 1 && 8512 <= s__state) && s__state <= 8608) - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 8656 <= s__state || s__state <= 8448 - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: ((((__cil_tmp56 + 256 <= 4294967296 * ((__cil_tmp56 + 256) / 4294967296) || (s__s3__tmp__new_cipher__algorithms <= __cil_tmp56 && __cil_tmp56 <= s__s3__tmp__new_cipher__algorithms)) && 8656 <= s__state) && blastFlag <= 3) || (blastFlag <= 1 && 8656 <= s__state)) || ((8656 <= s__state && !(s__hit == 0)) && blastFlag <= 3) - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: ((((s__state <= 8544 && (__cil_tmp56 + 256 <= 4294967296 * ((__cil_tmp56 + 256) / 4294967296) || (s__s3__tmp__new_cipher__algorithms <= __cil_tmp56 && __cil_tmp56 <= s__s3__tmp__new_cipher__algorithms))) && 8512 <= s__state) && blastFlag <= 2) || (((s__state <= 8656 && 8512 <= s__state) && !(s__hit == 0)) && blastFlag <= 2)) || ((s__state <= 8544 && blastFlag <= 1) && 8512 <= s__state) - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: ((((s__state <= 8656 && 8512 <= s__state) && !(s__hit == 0)) && blastFlag <= 2) || ((blastFlag <= 1 && 8512 <= s__state) && s__state <= 8640)) || ((((__cil_tmp56 + 256 <= 4294967296 * ((__cil_tmp56 + 256) / 4294967296) || (s__s3__tmp__new_cipher__algorithms <= __cil_tmp56 && __cil_tmp56 <= s__s3__tmp__new_cipher__algorithms)) && 8512 <= s__state) && s__state <= 8640) && blastFlag <= 2) - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: ((((8448 <= s__state && !(s__hit == 0)) && s__state <= 8480) && blastFlag <= 2) || (((8448 <= s__state && (__cil_tmp56 + 256 <= 4294967296 * ((__cil_tmp56 + 256) / 4294967296) || (s__s3__tmp__new_cipher__algorithms <= __cil_tmp56 && __cil_tmp56 <= s__s3__tmp__new_cipher__algorithms))) && blastFlag <= 2) && s__state <= 8466)) || ((8448 <= s__state && blastFlag <= 1) && s__state <= 8466) - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: ((((s__state <= 8656 && 8512 <= s__state) && !(s__hit == 0)) && blastFlag <= 2) || (((s__state <= 8560 && (__cil_tmp56 + 256 <= 4294967296 * ((__cil_tmp56 + 256) / 4294967296) || (s__s3__tmp__new_cipher__algorithms <= __cil_tmp56 && __cil_tmp56 <= s__s3__tmp__new_cipher__algorithms))) && 8512 <= s__state) && blastFlag <= 2)) || ((blastFlag <= 1 && s__state <= 8560) && 8512 <= s__state) - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: (((((((((8448 <= s__state && (__cil_tmp56 + 256 <= 4294967296 * ((__cil_tmp56 + 256) / 4294967296) || (s__s3__tmp__new_cipher__algorithms <= __cil_tmp56 && __cil_tmp56 <= s__s3__tmp__new_cipher__algorithms))) && blastFlag <= 2) && s__state <= 8448) && 8576 == s__s3__tmp__next_state___0) || (((((8448 <= s__state && s__hit == 0) && (__cil_tmp56 + 256 <= 4294967296 * ((__cil_tmp56 + 256) / 4294967296) || (s__s3__tmp__new_cipher__algorithms <= __cil_tmp56 && __cil_tmp56 <= s__s3__tmp__new_cipher__algorithms))) && s__state <= 8448) && blastFlag <= 3) && s__s3__tmp__next_state___0 <= 3)) || (((8448 <= s__state && blastFlag <= 1) && s__state <= 8448) && s__s3__tmp__next_state___0 <= 3)) || ((8448 <= s__state && s__state <= 8448) && blastFlag <= 0)) || (((8448 <= s__state && blastFlag <= 1) && s__state <= 8448) && 8576 == s__s3__tmp__next_state___0)) || ((((8448 <= s__state && 8640 <= s__s3__tmp__next_state___0) && !(s__hit == 0)) && s__state <= 8448) && blastFlag <= 3)) || (((8448 <= s__state && !(s__hit == 0)) && blastFlag <= 2) && s__state <= 8448) - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: (((8480 <= s__state && s__state <= 8512) && !(s__hit == 0)) && blastFlag <= 2) || ((8480 <= s__state && s__state <= 8512) && blastFlag <= 0) - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: ((((s__state <= 8656 && 8512 <= s__state) && !(s__hit == 0)) && blastFlag <= 2) || (((s__state <= 8560 && (__cil_tmp56 + 256 <= 4294967296 * ((__cil_tmp56 + 256) / 4294967296) || (s__s3__tmp__new_cipher__algorithms <= __cil_tmp56 && __cil_tmp56 <= s__s3__tmp__new_cipher__algorithms))) && 8512 <= s__state) && blastFlag <= 2)) || ((blastFlag <= 1 && s__state <= 8560) && 8512 <= s__state) - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: ((((blastFlag <= 1 && s__state <= 8656) && 8640 <= s__state) || ((((s__state <= 8656 && 8640 <= s__state) && 8640 <= s__s3__tmp__next_state___0) && !(s__hit == 0)) && blastFlag <= 3)) || ((((__cil_tmp56 + 256 <= 4294967296 * ((__cil_tmp56 + 256) / 4294967296) || (s__s3__tmp__new_cipher__algorithms <= __cil_tmp56 && __cil_tmp56 <= s__s3__tmp__new_cipher__algorithms)) && s__state <= 8656) && 8640 <= s__state) && blastFlag <= 2)) || (((s__state <= 8656 && 8640 <= s__state) && !(s__hit == 0)) && blastFlag <= 2) - InvariantResult [Line: 98]: Loop Invariant Derived loop invariant: (((((((((((((((((((((__cil_tmp56 + 256 <= 4294967296 * ((__cil_tmp56 + 256) / 4294967296) || (s__s3__tmp__new_cipher__algorithms <= __cil_tmp56 && __cil_tmp56 <= s__s3__tmp__new_cipher__algorithms)) && blastFlag <= 2) && s__state <= 8448) && 8576 == s__s3__tmp__next_state___0) || ((((__cil_tmp56 + 256 <= 4294967296 * ((__cil_tmp56 + 256) / 4294967296) || (s__s3__tmp__new_cipher__algorithms <= __cil_tmp56 && __cil_tmp56 <= s__s3__tmp__new_cipher__algorithms)) && 8640 <= s__state) && s__state <= 8640) && blastFlag <= 2)) || ((blastFlag <= 1 && s__state <= 8448) && 8576 == s__s3__tmp__next_state___0)) || ((s__state <= 8512 && blastFlag <= 1) && 8496 <= s__state)) || (((8640 <= s__s3__tmp__next_state___0 && !(s__hit == 0)) && s__state <= 8448) && blastFlag <= 3)) || (!(s__hit == 0) && blastFlag <= 2)) || ((s__state <= 8512 && 8512 <= s__state) && blastFlag <= 2)) || (((s__state <= 8672 && (__cil_tmp56 + 256 <= 4294967296 * ((__cil_tmp56 + 256) / 4294967296) || (s__s3__tmp__new_cipher__algorithms <= __cil_tmp56 && __cil_tmp56 <= s__s3__tmp__new_cipher__algorithms))) && 8656 <= s__state) && blastFlag <= 3)) || blastFlag <= 0) || (((8640 <= s__state && 8640 <= s__s3__tmp__next_state___0) && !(s__hit == 0)) && blastFlag <= 3)) || ((blastFlag <= 1 && s__state <= 8466) && 8466 <= s__state)) || ((((__cil_tmp56 + 256 <= 4294967296 * ((__cil_tmp56 + 256) / 4294967296) || (s__s3__tmp__new_cipher__algorithms <= __cil_tmp56 && __cil_tmp56 <= s__s3__tmp__new_cipher__algorithms)) && blastFlag <= 2) && s__state <= 8466) && 8466 <= s__state)) || ((((__cil_tmp56 + 256 <= 4294967296 * ((__cil_tmp56 + 256) / 4294967296) || (s__s3__tmp__new_cipher__algorithms <= __cil_tmp56 && __cil_tmp56 <= s__s3__tmp__new_cipher__algorithms)) && blastFlag <= 2) && 8496 <= s__state) && s__state <= 8608)) || ((blastFlag <= 1 && s__state <= 8448) && s__s3__tmp__next_state___0 <= 3)) || ((blastFlag <= 1 && 8640 <= s__state) && s__state <= 8640)) || ((((s__hit == 0 && (__cil_tmp56 + 256 <= 4294967296 * ((__cil_tmp56 + 256) / 4294967296) || (s__s3__tmp__new_cipher__algorithms <= __cil_tmp56 && __cil_tmp56 <= s__s3__tmp__new_cipher__algorithms))) && s__state <= 8448) && blastFlag <= 3) && s__s3__tmp__next_state___0 <= 3)) || ((blastFlag <= 1 && 8512 <= s__state) && s__state <= 8608)) || ((s__state <= 8672 && blastFlag <= 1) && 8656 <= s__state)) || (((s__state <= 8672 && 8656 <= s__state) && !(s__hit == 0)) && blastFlag <= 3) - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: ((((8480 <= s__state && s__state <= 8512) && !(s__hit == 0)) && blastFlag <= 2) || ((s__state <= 8512 && blastFlag <= 1) && 8496 <= s__state)) || (((s__state <= 8512 && (__cil_tmp56 + 256 <= 4294967296 * ((__cil_tmp56 + 256) / 4294967296) || (s__s3__tmp__new_cipher__algorithms <= __cil_tmp56 && __cil_tmp56 <= s__s3__tmp__new_cipher__algorithms))) && blastFlag <= 2) && 8496 <= s__state) - InvariantResult [Line: 98]: Loop Invariant Derived loop invariant: (((((((((((((((((((((__cil_tmp56 + 256 <= 4294967296 * ((__cil_tmp56 + 256) / 4294967296) || (s__s3__tmp__new_cipher__algorithms <= __cil_tmp56 && __cil_tmp56 <= s__s3__tmp__new_cipher__algorithms)) && blastFlag <= 2) && s__state <= 8448) && 8576 == s__s3__tmp__next_state___0) || ((((__cil_tmp56 + 256 <= 4294967296 * ((__cil_tmp56 + 256) / 4294967296) || (s__s3__tmp__new_cipher__algorithms <= __cil_tmp56 && __cil_tmp56 <= s__s3__tmp__new_cipher__algorithms)) && 8640 <= s__state) && s__state <= 8640) && blastFlag <= 2)) || ((blastFlag <= 1 && s__state <= 8448) && 8576 == s__s3__tmp__next_state___0)) || ((s__state <= 8512 && blastFlag <= 1) && 8496 <= s__state)) || (((8640 <= s__s3__tmp__next_state___0 && !(s__hit == 0)) && s__state <= 8448) && blastFlag <= 3)) || (!(s__hit == 0) && blastFlag <= 2)) || ((s__state <= 8512 && 8512 <= s__state) && blastFlag <= 2)) || (((s__state <= 8672 && (__cil_tmp56 + 256 <= 4294967296 * ((__cil_tmp56 + 256) / 4294967296) || (s__s3__tmp__new_cipher__algorithms <= __cil_tmp56 && __cil_tmp56 <= s__s3__tmp__new_cipher__algorithms))) && 8656 <= s__state) && blastFlag <= 3)) || blastFlag <= 0) || (((8640 <= s__state && 8640 <= s__s3__tmp__next_state___0) && !(s__hit == 0)) && blastFlag <= 3)) || ((blastFlag <= 1 && s__state <= 8466) && 8466 <= s__state)) || ((((__cil_tmp56 + 256 <= 4294967296 * ((__cil_tmp56 + 256) / 4294967296) || (s__s3__tmp__new_cipher__algorithms <= __cil_tmp56 && __cil_tmp56 <= s__s3__tmp__new_cipher__algorithms)) && blastFlag <= 2) && s__state <= 8466) && 8466 <= s__state)) || ((((__cil_tmp56 + 256 <= 4294967296 * ((__cil_tmp56 + 256) / 4294967296) || (s__s3__tmp__new_cipher__algorithms <= __cil_tmp56 && __cil_tmp56 <= s__s3__tmp__new_cipher__algorithms)) && blastFlag <= 2) && 8496 <= s__state) && s__state <= 8608)) || ((blastFlag <= 1 && s__state <= 8448) && s__s3__tmp__next_state___0 <= 3)) || ((blastFlag <= 1 && 8640 <= s__state) && s__state <= 8640)) || ((((s__hit == 0 && (__cil_tmp56 + 256 <= 4294967296 * ((__cil_tmp56 + 256) / 4294967296) || (s__s3__tmp__new_cipher__algorithms <= __cil_tmp56 && __cil_tmp56 <= s__s3__tmp__new_cipher__algorithms))) && s__state <= 8448) && blastFlag <= 3) && s__s3__tmp__next_state___0 <= 3)) || ((blastFlag <= 1 && 8512 <= s__state) && s__state <= 8608)) || ((s__state <= 8672 && blastFlag <= 1) && 8656 <= s__state)) || (((s__state <= 8672 && 8656 <= s__state) && !(s__hit == 0)) && blastFlag <= 3) - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: ((((s__state <= 8656 && 8512 <= s__state) && !(s__hit == 0)) && blastFlag <= 2) || ((((__cil_tmp56 + 256 <= 4294967296 * ((__cil_tmp56 + 256) / 4294967296) || (s__s3__tmp__new_cipher__algorithms <= __cil_tmp56 && __cil_tmp56 <= s__s3__tmp__new_cipher__algorithms)) && 8512 <= s__state) && blastFlag <= 2) && s__state <= 8592)) || ((blastFlag <= 1 && 8512 <= s__state) && s__state <= 8592) - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 149 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 88.8s, OverallIterations: 33, TraceHistogramMax: 24, AutomataDifference: 12.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 57.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 7979 SDtfs, 3396 SDslu, 5349 SDs, 0 SdLazy, 2914 SolverSat, 798 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 182 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25675occurred in iteration=27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 7.6s AutomataMinimizationTime, 33 MinimizatonAttempts, 49138 StatesRemovedByMinimization, 27 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 1413 NumberOfFragments, 1601 HoareAnnotationTreeSize, 32 FomulaSimplifications, 548750 FormulaSimplificationTreeSizeReduction, 25.0s HoareSimplificationTime, 32 FomulaSimplificationsInter, 209171 FormulaSimplificationTreeSizeReductionInter, 32.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 63.5s InterpolantComputationTime, 10932 NumberOfCodeBlocks, 10932 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 10899 ConstructedInterpolants, 0 QuantifiedInterpolants, 7420873 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 33 InterpolantComputations, 29 PerfectInterpolantSequences, 50640/50700 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...