/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/bitvector/s3_srvr_1a.BV.c.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 05:30:20,659 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 05:30:20,661 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 05:30:20,685 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 05:30:20,686 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 05:30:20,687 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 05:30:20,688 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 05:30:20,690 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 05:30:20,691 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 05:30:20,692 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 05:30:20,693 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 05:30:20,694 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 05:30:20,695 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 05:30:20,696 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 05:30:20,697 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 05:30:20,698 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 05:30:20,699 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 05:30:20,700 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 05:30:20,702 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 05:30:20,704 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 05:30:20,706 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 05:30:20,707 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 05:30:20,708 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 05:30:20,709 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 05:30:20,712 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 05:30:20,712 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 05:30:20,712 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 05:30:20,713 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 05:30:20,714 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 05:30:20,715 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 05:30:20,715 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 05:30:20,716 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 05:30:20,717 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 05:30:20,718 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 05:30:20,719 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 05:30:20,719 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 05:30:20,720 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 05:30:20,720 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 05:30:20,720 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 05:30:20,721 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 05:30:20,722 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 05:30:20,723 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-13 05:30:20,746 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 05:30:20,746 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 05:30:20,748 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 05:30:20,748 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 05:30:20,748 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 05:30:20,748 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 05:30:20,748 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 05:30:20,749 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 05:30:20,749 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 05:30:20,749 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 05:30:20,749 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 05:30:20,749 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 05:30:20,750 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 05:30:20,750 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 05:30:20,750 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 05:30:20,750 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 05:30:20,750 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 05:30:20,751 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 05:30:20,751 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 05:30:20,751 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 05:30:20,751 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 05:30:20,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 05:30:20,752 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 05:30:20,752 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 05:30:20,752 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 05:30:20,752 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 05:30:20,752 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 05:30:20,753 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 05:30:20,753 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 05:30:20,753 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 05:30:21,061 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 05:30:21,073 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 05:30:21,077 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 05:30:21,078 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 05:30:21,078 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 05:30:21,079 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector/s3_srvr_1a.BV.c.cil.c [2020-10-13 05:30:21,145 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d2a9d9f58/86a229b8ebb5473ba603475286493d46/FLAGa68afeaf0 [2020-10-13 05:30:21,637 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 05:30:21,640 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/bitvector/s3_srvr_1a.BV.c.cil.c [2020-10-13 05:30:21,653 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d2a9d9f58/86a229b8ebb5473ba603475286493d46/FLAGa68afeaf0 [2020-10-13 05:30:21,996 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d2a9d9f58/86a229b8ebb5473ba603475286493d46 [2020-10-13 05:30:22,007 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 05:30:22,009 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 05:30:22,010 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 05:30:22,011 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 05:30:22,014 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 05:30:22,016 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:30:21" (1/1) ... [2020-10-13 05:30:22,019 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b72a168 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:30:22, skipping insertion in model container [2020-10-13 05:30:22,019 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:30:21" (1/1) ... [2020-10-13 05:30:22,027 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 05:30:22,091 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 05:30:22,332 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 05:30:22,337 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 05:30:22,488 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 05:30:22,504 INFO L208 MainTranslator]: Completed translation [2020-10-13 05:30:22,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:30:22 WrapperNode [2020-10-13 05:30:22,505 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 05:30:22,506 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 05:30:22,506 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 05:30:22,506 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 05:30:22,521 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:30:22" (1/1) ... [2020-10-13 05:30:22,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:30:22" (1/1) ... [2020-10-13 05:30:22,531 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:30:22" (1/1) ... [2020-10-13 05:30:22,532 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:30:22" (1/1) ... [2020-10-13 05:30:22,546 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:30:22" (1/1) ... [2020-10-13 05:30:22,560 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:30:22" (1/1) ... [2020-10-13 05:30:22,564 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:30:22" (1/1) ... [2020-10-13 05:30:22,569 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 05:30:22,570 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 05:30:22,570 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 05:30:22,570 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 05:30:22,571 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:30:22" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 05:30:22,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 05:30:22,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 05:30:22,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2020-10-13 05:30:22,640 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 05:30:22,641 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 05:30:22,641 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-13 05:30:22,641 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-13 05:30:22,641 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 05:30:22,641 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-13 05:30:22,641 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2020-10-13 05:30:22,642 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 05:30:22,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 05:30:22,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 05:30:22,845 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-13 05:30:23,376 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2020-10-13 05:30:23,376 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2020-10-13 05:30:23,388 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 05:30:23,388 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-13 05:30:23,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:30:23 BoogieIcfgContainer [2020-10-13 05:30:23,395 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 05:30:23,396 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 05:30:23,397 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 05:30:23,400 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 05:30:23,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 05:30:21" (1/3) ... [2020-10-13 05:30:23,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34738beb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:30:23, skipping insertion in model container [2020-10-13 05:30:23,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:30:22" (2/3) ... [2020-10-13 05:30:23,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34738beb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:30:23, skipping insertion in model container [2020-10-13 05:30:23,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:30:23" (3/3) ... [2020-10-13 05:30:23,405 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_srvr_1a.BV.c.cil.c [2020-10-13 05:30:23,417 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 05:30:23,427 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 05:30:23,442 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 05:30:23,472 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 05:30:23,473 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 05:30:23,473 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 05:30:23,474 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 05:30:23,474 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 05:30:23,474 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 05:30:23,474 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 05:30:23,475 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 05:30:23,501 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states. [2020-10-13 05:30:23,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-10-13 05:30:23,513 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:30:23,514 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:30:23,515 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:30:23,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:30:23,522 INFO L82 PathProgramCache]: Analyzing trace with hash -948982516, now seen corresponding path program 1 times [2020-10-13 05:30:23,533 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:30:23,533 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1679193473] [2020-10-13 05:30:23,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:30:23,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:30:23,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:24,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:24,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:24,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:30:24,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-13 05:30:24,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 05:30:24,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 495 [2020-10-13 05:30:24,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:30:24,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 05:30:24,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 05:30:24,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-13 05:30:24,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 05:30:24,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:30:24,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:30:24,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:24,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:30:24,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 05:30:24,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:30:24,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:30:24,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:30:24,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:30:24,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:30:24,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:30:24,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:30:24,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 05:30:24,303 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1679193473] [2020-10-13 05:30:24,305 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 05:30:24,305 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-13 05:30:24,306 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283545673] [2020-10-13 05:30:24,312 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 05:30:24,312 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:30:24,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 05:30:24,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-13 05:30:24,330 INFO L87 Difference]: Start difference. First operand 148 states. Second operand 5 states. [2020-10-13 05:30:24,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:30:24,631 INFO L93 Difference]: Finished difference Result 310 states and 523 transitions. [2020-10-13 05:30:24,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 05:30:24,634 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 49 [2020-10-13 05:30:24,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:30:24,647 INFO L225 Difference]: With dead ends: 310 [2020-10-13 05:30:24,648 INFO L226 Difference]: Without dead ends: 152 [2020-10-13 05:30:24,652 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-13 05:30:24,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2020-10-13 05:30:24,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 149. [2020-10-13 05:30:24,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2020-10-13 05:30:24,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 223 transitions. [2020-10-13 05:30:24,710 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 223 transitions. Word has length 49 [2020-10-13 05:30:24,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:30:24,712 INFO L479 AbstractCegarLoop]: Abstraction has 149 states and 223 transitions. [2020-10-13 05:30:24,713 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 05:30:24,713 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 223 transitions. [2020-10-13 05:30:24,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-10-13 05:30:24,721 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:30:24,722 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:30:24,722 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 05:30:24,722 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:30:24,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:30:24,723 INFO L82 PathProgramCache]: Analyzing trace with hash 151055847, now seen corresponding path program 1 times [2020-10-13 05:30:24,723 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:30:24,724 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [846831324] [2020-10-13 05:30:24,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:30:24,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:30:24,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:24,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:24,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:24,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:30:24,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 05:30:24,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 05:30:24,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 228 [2020-10-13 05:30:24,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:30:24,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:30:24,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-13 05:30:24,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 05:30:24,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:30:25,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:30:25,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:30:25,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:25,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:30:25,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 05:30:25,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:30:25,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:30:25,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:30:25,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:30:25,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:30:25,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:30:25,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:30:25,049 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 05:30:25,050 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [846831324] [2020-10-13 05:30:25,051 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 05:30:25,051 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 05:30:25,051 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668247490] [2020-10-13 05:30:25,054 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 05:30:25,063 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:30:25,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 05:30:25,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 05:30:25,064 INFO L87 Difference]: Start difference. First operand 149 states and 223 transitions. Second operand 3 states. [2020-10-13 05:30:25,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:30:25,316 INFO L93 Difference]: Finished difference Result 310 states and 473 transitions. [2020-10-13 05:30:25,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 05:30:25,317 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-10-13 05:30:25,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:30:25,321 INFO L225 Difference]: With dead ends: 310 [2020-10-13 05:30:25,323 INFO L226 Difference]: Without dead ends: 174 [2020-10-13 05:30:25,326 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 05:30:25,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2020-10-13 05:30:25,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 170. [2020-10-13 05:30:25,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2020-10-13 05:30:25,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 249 transitions. [2020-10-13 05:30:25,360 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 249 transitions. Word has length 65 [2020-10-13 05:30:25,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:30:25,361 INFO L479 AbstractCegarLoop]: Abstraction has 170 states and 249 transitions. [2020-10-13 05:30:25,361 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 05:30:25,361 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 249 transitions. [2020-10-13 05:30:25,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-10-13 05:30:25,366 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:30:25,366 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:30:25,369 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 05:30:25,369 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:30:25,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:30:25,369 INFO L82 PathProgramCache]: Analyzing trace with hash 607245306, now seen corresponding path program 1 times [2020-10-13 05:30:25,370 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:30:25,370 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1068321599] [2020-10-13 05:30:25,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:30:25,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:30:25,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:25,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:25,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:25,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:30:25,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-10-13 05:30:25,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 05:30:25,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 190 [2020-10-13 05:30:25,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:30:25,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:30:25,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 05:30:25,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-13 05:30:25,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:30:25,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:30:25,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:30:25,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:25,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:30:25,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 05:30:25,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:30:25,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:30:25,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:30:25,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:30:25,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:30:25,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:30:25,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:30:25,636 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-13 05:30:25,637 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1068321599] [2020-10-13 05:30:25,637 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 05:30:25,637 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 05:30:25,638 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883085990] [2020-10-13 05:30:25,638 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 05:30:25,638 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:30:25,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 05:30:25,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 05:30:25,639 INFO L87 Difference]: Start difference. First operand 170 states and 249 transitions. Second operand 3 states. [2020-10-13 05:30:25,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:30:25,848 INFO L93 Difference]: Finished difference Result 373 states and 564 transitions. [2020-10-13 05:30:25,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 05:30:25,849 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 86 [2020-10-13 05:30:25,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:30:25,851 INFO L225 Difference]: With dead ends: 373 [2020-10-13 05:30:25,852 INFO L226 Difference]: Without dead ends: 216 [2020-10-13 05:30:25,853 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 05:30:25,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2020-10-13 05:30:25,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 212. [2020-10-13 05:30:25,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2020-10-13 05:30:25,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 296 transitions. [2020-10-13 05:30:25,869 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 296 transitions. Word has length 86 [2020-10-13 05:30:25,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:30:25,870 INFO L479 AbstractCegarLoop]: Abstraction has 212 states and 296 transitions. [2020-10-13 05:30:25,870 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 05:30:25,870 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 296 transitions. [2020-10-13 05:30:25,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-10-13 05:30:25,872 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:30:25,873 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:30:25,873 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 05:30:25,873 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:30:25,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:30:25,874 INFO L82 PathProgramCache]: Analyzing trace with hash 855391800, now seen corresponding path program 1 times [2020-10-13 05:30:25,874 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:30:25,874 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [985208211] [2020-10-13 05:30:25,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:30:25,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:30:25,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:25,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:26,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:26,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:30:26,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-10-13 05:30:26,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 05:30:26,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 175 [2020-10-13 05:30:26,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:30:26,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:30:26,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 05:30:26,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-13 05:30:26,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:30:26,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:30:26,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:30:26,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:26,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:30:26,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 05:30:26,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:30:26,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:30:26,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:30:26,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:30:26,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:30:26,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:30:26,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:30:26,113 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-13 05:30:26,113 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [985208211] [2020-10-13 05:30:26,114 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 05:30:26,114 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 05:30:26,114 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413838209] [2020-10-13 05:30:26,115 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 05:30:26,115 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:30:26,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 05:30:26,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 05:30:26,116 INFO L87 Difference]: Start difference. First operand 212 states and 296 transitions. Second operand 3 states. [2020-10-13 05:30:26,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:30:26,278 INFO L93 Difference]: Finished difference Result 437 states and 621 transitions. [2020-10-13 05:30:26,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 05:30:26,279 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 86 [2020-10-13 05:30:26,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:30:26,281 INFO L225 Difference]: With dead ends: 437 [2020-10-13 05:30:26,282 INFO L226 Difference]: Without dead ends: 238 [2020-10-13 05:30:26,283 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 05:30:26,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2020-10-13 05:30:26,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 235. [2020-10-13 05:30:26,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2020-10-13 05:30:26,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 324 transitions. [2020-10-13 05:30:26,296 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 324 transitions. Word has length 86 [2020-10-13 05:30:26,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:30:26,297 INFO L479 AbstractCegarLoop]: Abstraction has 235 states and 324 transitions. [2020-10-13 05:30:26,297 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 05:30:26,297 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 324 transitions. [2020-10-13 05:30:26,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-10-13 05:30:26,299 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:30:26,299 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:30:26,299 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 05:30:26,299 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:30:26,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:30:26,300 INFO L82 PathProgramCache]: Analyzing trace with hash 20231910, now seen corresponding path program 1 times [2020-10-13 05:30:26,300 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:30:26,300 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1618065999] [2020-10-13 05:30:26,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:30:26,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:30:26,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:26,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:26,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:26,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:30:26,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-13 05:30:26,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 05:30:26,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 210 [2020-10-13 05:30:26,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:30:26,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:30:26,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-10-13 05:30:26,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 05:30:26,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:30:26,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:30:26,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:30:26,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:26,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:30:26,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 05:30:26,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:30:26,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:30:26,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:30:26,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:30:26,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:30:26,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:30:26,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:30:26,586 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-10-13 05:30:26,587 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1618065999] [2020-10-13 05:30:26,587 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 05:30:26,587 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 05:30:26,588 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128853577] [2020-10-13 05:30:26,588 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 05:30:26,589 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:30:26,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 05:30:26,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 05:30:26,589 INFO L87 Difference]: Start difference. First operand 235 states and 324 transitions. Second operand 3 states. [2020-10-13 05:30:26,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:30:26,756 INFO L93 Difference]: Finished difference Result 494 states and 697 transitions. [2020-10-13 05:30:26,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 05:30:26,757 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 106 [2020-10-13 05:30:26,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:30:26,760 INFO L225 Difference]: With dead ends: 494 [2020-10-13 05:30:26,761 INFO L226 Difference]: Without dead ends: 272 [2020-10-13 05:30:26,762 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 05:30:26,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2020-10-13 05:30:26,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 260. [2020-10-13 05:30:26,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2020-10-13 05:30:26,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 354 transitions. [2020-10-13 05:30:26,790 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 354 transitions. Word has length 106 [2020-10-13 05:30:26,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:30:26,790 INFO L479 AbstractCegarLoop]: Abstraction has 260 states and 354 transitions. [2020-10-13 05:30:26,790 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 05:30:26,791 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 354 transitions. [2020-10-13 05:30:26,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-13 05:30:26,796 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:30:26,797 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:30:26,797 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 05:30:26,797 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:30:26,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:30:26,797 INFO L82 PathProgramCache]: Analyzing trace with hash 320501393, now seen corresponding path program 1 times [2020-10-13 05:30:26,798 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:30:26,798 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [469008611] [2020-10-13 05:30:26,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:30:26,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:30:26,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:26,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:30:26,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-13 05:30:26,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:30:26,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-13 05:30:26,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:30:26,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:30:26,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 91 [2020-10-13 05:30:26,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-13 05:30:26,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:30:26,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:30:26,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:30:26,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:26,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:30:26,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 05:30:26,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:30:26,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:30:26,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:30:26,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:30:26,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:30:26,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:30:26,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:30:26,991 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-10-13 05:30:26,992 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [469008611] [2020-10-13 05:30:26,993 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 05:30:26,994 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 05:30:26,994 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484664151] [2020-10-13 05:30:26,998 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 05:30:26,998 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:30:26,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 05:30:26,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 05:30:26,999 INFO L87 Difference]: Start difference. First operand 260 states and 354 transitions. Second operand 3 states. [2020-10-13 05:30:27,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:30:27,041 INFO L93 Difference]: Finished difference Result 507 states and 691 transitions. [2020-10-13 05:30:27,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 05:30:27,041 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2020-10-13 05:30:27,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:30:27,046 INFO L225 Difference]: With dead ends: 507 [2020-10-13 05:30:27,047 INFO L226 Difference]: Without dead ends: 505 [2020-10-13 05:30:27,048 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 05:30:27,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2020-10-13 05:30:27,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 505. [2020-10-13 05:30:27,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 505 states. [2020-10-13 05:30:27,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 688 transitions. [2020-10-13 05:30:27,073 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 688 transitions. Word has length 126 [2020-10-13 05:30:27,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:30:27,074 INFO L479 AbstractCegarLoop]: Abstraction has 505 states and 688 transitions. [2020-10-13 05:30:27,074 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 05:30:27,074 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 688 transitions. [2020-10-13 05:30:27,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-10-13 05:30:27,081 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:30:27,081 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:30:27,082 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 05:30:27,082 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:30:27,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:30:27,082 INFO L82 PathProgramCache]: Analyzing trace with hash -1311281603, now seen corresponding path program 1 times [2020-10-13 05:30:27,083 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:30:27,083 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [836472910] [2020-10-13 05:30:27,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:30:27,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:30:27,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:27,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:27,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:30:27,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 172 [2020-10-13 05:30:27,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 05:30:27,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 196 [2020-10-13 05:30:27,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:30:27,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:30:27,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-13 05:30:27,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-13 05:30:27,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:30:27,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:30:27,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:30:27,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:27,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:30:27,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 05:30:27,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:30:27,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:30:27,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:30:27,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:30:27,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:30:27,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:30:27,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:30:27,368 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-10-13 05:30:27,369 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [836472910] [2020-10-13 05:30:27,369 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 05:30:27,369 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 05:30:27,370 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2943484] [2020-10-13 05:30:27,370 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 05:30:27,371 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:30:27,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 05:30:27,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 05:30:27,371 INFO L87 Difference]: Start difference. First operand 505 states and 688 transitions. Second operand 3 states. [2020-10-13 05:30:27,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:30:27,581 INFO L93 Difference]: Finished difference Result 1101 states and 1545 transitions. [2020-10-13 05:30:27,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 05:30:27,582 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 164 [2020-10-13 05:30:27,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:30:27,587 INFO L225 Difference]: With dead ends: 1101 [2020-10-13 05:30:27,587 INFO L226 Difference]: Without dead ends: 609 [2020-10-13 05:30:27,590 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 05:30:27,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 609 states. [2020-10-13 05:30:27,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 609 to 587. [2020-10-13 05:30:27,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 587 states. [2020-10-13 05:30:27,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 786 transitions. [2020-10-13 05:30:27,614 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 786 transitions. Word has length 164 [2020-10-13 05:30:27,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:30:27,615 INFO L479 AbstractCegarLoop]: Abstraction has 587 states and 786 transitions. [2020-10-13 05:30:27,615 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 05:30:27,615 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 786 transitions. [2020-10-13 05:30:27,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-10-13 05:30:27,619 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:30:27,619 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:30:27,619 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 05:30:27,619 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:30:27,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:30:27,620 INFO L82 PathProgramCache]: Analyzing trace with hash -361994906, now seen corresponding path program 1 times [2020-10-13 05:30:27,620 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:30:27,620 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1846155049] [2020-10-13 05:30:27,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:30:27,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:30:27,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:27,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:27,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:27,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:28,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:28,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:30:28,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-13 05:30:28,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 05:30:28,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 653 [2020-10-13 05:30:28,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:30:28,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:30:28,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 99 [2020-10-13 05:30:28,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-13 05:30:28,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:30:28,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:30:28,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:30:28,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:28,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:30:28,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 05:30:28,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:30:28,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:30:28,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:30:28,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:30:28,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:30:28,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:30:28,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:30:28,364 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2020-10-13 05:30:28,364 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1846155049] [2020-10-13 05:30:28,365 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 05:30:28,365 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 05:30:28,365 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256512242] [2020-10-13 05:30:28,366 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 05:30:28,366 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:30:28,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 05:30:28,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 05:30:28,367 INFO L87 Difference]: Start difference. First operand 587 states and 786 transitions. Second operand 3 states. [2020-10-13 05:30:28,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:30:28,559 INFO L93 Difference]: Finished difference Result 1229 states and 1679 transitions. [2020-10-13 05:30:28,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 05:30:28,560 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 170 [2020-10-13 05:30:28,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:30:28,564 INFO L225 Difference]: With dead ends: 1229 [2020-10-13 05:30:28,564 INFO L226 Difference]: Without dead ends: 655 [2020-10-13 05:30:28,566 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 05:30:28,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 655 states. [2020-10-13 05:30:28,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 655 to 641. [2020-10-13 05:30:28,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 641 states. [2020-10-13 05:30:28,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 850 transitions. [2020-10-13 05:30:28,590 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 850 transitions. Word has length 170 [2020-10-13 05:30:28,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:30:28,590 INFO L479 AbstractCegarLoop]: Abstraction has 641 states and 850 transitions. [2020-10-13 05:30:28,591 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 05:30:28,591 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 850 transitions. [2020-10-13 05:30:28,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-13 05:30:28,595 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:30:28,596 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:30:28,596 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 05:30:28,596 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:30:28,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:30:28,597 INFO L82 PathProgramCache]: Analyzing trace with hash -2102417198, now seen corresponding path program 1 times [2020-10-13 05:30:28,597 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:30:28,598 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1344084618] [2020-10-13 05:30:28,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:30:28,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:30:28,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:28,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:28,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:28,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:28,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:29,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:30:29,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-13 05:30:29,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 05:30:29,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 429 [2020-10-13 05:30:29,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:30:29,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:30:29,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-13 05:30:29,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 05:30:29,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:30:29,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:30:29,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:30:29,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:29,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:30:29,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 05:30:29,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:30:29,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:30:29,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:30:29,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:30:29,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:30:29,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:30:29,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:30:29,126 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2020-10-13 05:30:29,127 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1344084618] [2020-10-13 05:30:29,127 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 05:30:29,127 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 05:30:29,128 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108431615] [2020-10-13 05:30:29,128 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 05:30:29,128 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:30:29,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 05:30:29,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 05:30:29,129 INFO L87 Difference]: Start difference. First operand 641 states and 850 transitions. Second operand 3 states. [2020-10-13 05:30:29,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:30:29,363 INFO L93 Difference]: Finished difference Result 1394 states and 1891 transitions. [2020-10-13 05:30:29,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 05:30:29,364 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 177 [2020-10-13 05:30:29,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:30:29,369 INFO L225 Difference]: With dead ends: 1394 [2020-10-13 05:30:29,369 INFO L226 Difference]: Without dead ends: 764 [2020-10-13 05:30:29,371 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 05:30:29,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 764 states. [2020-10-13 05:30:29,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 764 to 741. [2020-10-13 05:30:29,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 741 states. [2020-10-13 05:30:29,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 741 states and 1016 transitions. [2020-10-13 05:30:29,397 INFO L78 Accepts]: Start accepts. Automaton has 741 states and 1016 transitions. Word has length 177 [2020-10-13 05:30:29,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:30:29,398 INFO L479 AbstractCegarLoop]: Abstraction has 741 states and 1016 transitions. [2020-10-13 05:30:29,398 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 05:30:29,398 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 1016 transitions. [2020-10-13 05:30:29,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-10-13 05:30:29,401 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:30:29,402 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:30:29,402 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 05:30:29,402 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:30:29,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:30:29,403 INFO L82 PathProgramCache]: Analyzing trace with hash 1389867634, now seen corresponding path program 1 times [2020-10-13 05:30:29,403 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:30:29,403 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [647196441] [2020-10-13 05:30:29,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:30:29,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:30:29,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:29,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:29,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:29,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:29,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:30,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:30:30,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-10-13 05:30:30,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 05:30:30,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 684 [2020-10-13 05:30:30,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:30:30,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:30:30,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 122 [2020-10-13 05:30:30,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 05:30:30,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:30:30,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:30:30,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:30:30,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:30,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:30:30,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 05:30:30,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:30:30,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:30:30,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:30:30,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:30:30,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:30:30,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:30:30,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:30:30,195 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 198 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2020-10-13 05:30:30,225 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [647196441] [2020-10-13 05:30:30,225 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 05:30:30,226 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 05:30:30,226 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377190511] [2020-10-13 05:30:30,226 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 05:30:30,227 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:30:30,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 05:30:30,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 05:30:30,227 INFO L87 Difference]: Start difference. First operand 741 states and 1016 transitions. Second operand 3 states. [2020-10-13 05:30:30,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:30:30,410 INFO L93 Difference]: Finished difference Result 1531 states and 2121 transitions. [2020-10-13 05:30:30,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 05:30:30,411 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 193 [2020-10-13 05:30:30,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:30:30,418 INFO L225 Difference]: With dead ends: 1531 [2020-10-13 05:30:30,418 INFO L226 Difference]: Without dead ends: 803 [2020-10-13 05:30:30,420 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 05:30:30,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 803 states. [2020-10-13 05:30:30,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 803 to 799. [2020-10-13 05:30:30,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 799 states. [2020-10-13 05:30:30,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 799 states and 1084 transitions. [2020-10-13 05:30:30,446 INFO L78 Accepts]: Start accepts. Automaton has 799 states and 1084 transitions. Word has length 193 [2020-10-13 05:30:30,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:30:30,447 INFO L479 AbstractCegarLoop]: Abstraction has 799 states and 1084 transitions. [2020-10-13 05:30:30,447 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 05:30:30,447 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 1084 transitions. [2020-10-13 05:30:30,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-10-13 05:30:30,451 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:30:30,451 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:30:30,451 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 05:30:30,451 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:30:30,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:30:30,452 INFO L82 PathProgramCache]: Analyzing trace with hash 245613762, now seen corresponding path program 1 times [2020-10-13 05:30:30,452 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:30:30,452 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1429904223] [2020-10-13 05:30:30,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:30:30,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:30:30,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:30,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:30,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:30,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:31,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:31,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:30:31,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-10-13 05:30:31,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 05:30:31,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 802 [2020-10-13 05:30:31,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:30:31,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:30:31,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-13 05:30:31,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-13 05:30:31,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:30:31,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:30:31,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:30:31,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:31,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:30:31,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 05:30:31,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:30:31,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:30:31,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:30:31,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:30:31,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:30:31,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:30:31,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:30:31,393 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2020-10-13 05:30:31,393 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1429904223] [2020-10-13 05:30:31,394 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 05:30:31,394 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 05:30:31,394 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174712099] [2020-10-13 05:30:31,395 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 05:30:31,395 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:30:31,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 05:30:31,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 05:30:31,396 INFO L87 Difference]: Start difference. First operand 799 states and 1084 transitions. Second operand 3 states. [2020-10-13 05:30:31,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:30:31,578 INFO L93 Difference]: Finished difference Result 1647 states and 2261 transitions. [2020-10-13 05:30:31,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 05:30:31,578 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 197 [2020-10-13 05:30:31,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:30:31,585 INFO L225 Difference]: With dead ends: 1647 [2020-10-13 05:30:31,585 INFO L226 Difference]: Without dead ends: 861 [2020-10-13 05:30:31,588 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 05:30:31,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 861 states. [2020-10-13 05:30:31,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 861 to 861. [2020-10-13 05:30:31,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 861 states. [2020-10-13 05:30:31,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 1156 transitions. [2020-10-13 05:30:31,617 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 1156 transitions. Word has length 197 [2020-10-13 05:30:31,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:30:31,618 INFO L479 AbstractCegarLoop]: Abstraction has 861 states and 1156 transitions. [2020-10-13 05:30:31,618 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 05:30:31,618 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1156 transitions. [2020-10-13 05:30:31,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-10-13 05:30:31,622 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:30:31,622 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 5, 5, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:30:31,623 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 05:30:31,623 INFO L427 AbstractCegarLoop]: === Iteration 12 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:30:31,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:30:31,624 INFO L82 PathProgramCache]: Analyzing trace with hash 2115219064, now seen corresponding path program 1 times [2020-10-13 05:30:31,624 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:30:31,624 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [488316339] [2020-10-13 05:30:31,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:30:31,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:30:31,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:31,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:31,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:31,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:32,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:32,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:30:32,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 234 [2020-10-13 05:30:32,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 05:30:32,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1269 [2020-10-13 05:30:32,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:30:32,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:30:32,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 192 [2020-10-13 05:30:32,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-13 05:30:32,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:30:32,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:30:32,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:30:32,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:32,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:30:32,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 05:30:32,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:30:32,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:30:32,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:30:32,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:30:32,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:30:32,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:30:32,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:30:33,013 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2020-10-13 05:30:33,013 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [488316339] [2020-10-13 05:30:33,014 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 05:30:33,014 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 05:30:33,014 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443330048] [2020-10-13 05:30:33,015 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 05:30:33,015 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:30:33,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 05:30:33,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 05:30:33,016 INFO L87 Difference]: Start difference. First operand 861 states and 1156 transitions. Second operand 3 states. [2020-10-13 05:30:33,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:30:33,239 INFO L93 Difference]: Finished difference Result 1793 states and 2447 transitions. [2020-10-13 05:30:33,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 05:30:33,240 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 226 [2020-10-13 05:30:33,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:30:33,245 INFO L225 Difference]: With dead ends: 1793 [2020-10-13 05:30:33,246 INFO L226 Difference]: Without dead ends: 857 [2020-10-13 05:30:33,248 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 05:30:33,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 857 states. [2020-10-13 05:30:33,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 857 to 857. [2020-10-13 05:30:33,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 857 states. [2020-10-13 05:30:33,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 857 states and 1146 transitions. [2020-10-13 05:30:33,296 INFO L78 Accepts]: Start accepts. Automaton has 857 states and 1146 transitions. Word has length 226 [2020-10-13 05:30:33,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:30:33,297 INFO L479 AbstractCegarLoop]: Abstraction has 857 states and 1146 transitions. [2020-10-13 05:30:33,297 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 05:30:33,297 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1146 transitions. [2020-10-13 05:30:33,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2020-10-13 05:30:33,302 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:30:33,302 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:30:33,302 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-13 05:30:33,302 INFO L427 AbstractCegarLoop]: === Iteration 13 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:30:33,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:30:33,303 INFO L82 PathProgramCache]: Analyzing trace with hash -78304049, now seen corresponding path program 1 times [2020-10-13 05:30:33,303 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:30:33,303 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [18341963] [2020-10-13 05:30:33,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:30:33,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:30:33,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:33,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:33,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:34,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:30:34,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-13 05:30:34,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 05:30:34,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 778 [2020-10-13 05:30:34,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:30:34,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 05:30:34,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-13 05:30:34,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-13 05:30:34,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:30:34,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:30:34,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:30:34,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:34,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:30:34,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 05:30:34,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:30:34,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:30:34,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:30:34,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:30:34,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:30:34,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:30:34,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:30:34,361 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 454 proven. 26 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2020-10-13 05:30:34,362 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [18341963] [2020-10-13 05:30:34,362 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 05:30:34,362 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-10-13 05:30:34,363 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688817044] [2020-10-13 05:30:34,364 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 05:30:34,364 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:30:34,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 05:30:34,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 05:30:34,365 INFO L87 Difference]: Start difference. First operand 857 states and 1146 transitions. Second operand 4 states. [2020-10-13 05:30:34,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:30:34,819 INFO L93 Difference]: Finished difference Result 2519 states and 3356 transitions. [2020-10-13 05:30:34,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 05:30:34,820 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 266 [2020-10-13 05:30:34,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:30:34,833 INFO L225 Difference]: With dead ends: 2519 [2020-10-13 05:30:34,834 INFO L226 Difference]: Without dead ends: 1675 [2020-10-13 05:30:34,847 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-13 05:30:34,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1675 states. [2020-10-13 05:30:34,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1675 to 1081. [2020-10-13 05:30:34,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1081 states. [2020-10-13 05:30:34,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 1081 states and 1452 transitions. [2020-10-13 05:30:34,915 INFO L78 Accepts]: Start accepts. Automaton has 1081 states and 1452 transitions. Word has length 266 [2020-10-13 05:30:34,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:30:34,915 INFO L479 AbstractCegarLoop]: Abstraction has 1081 states and 1452 transitions. [2020-10-13 05:30:34,916 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 05:30:34,916 INFO L276 IsEmpty]: Start isEmpty. Operand 1081 states and 1452 transitions. [2020-10-13 05:30:34,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2020-10-13 05:30:34,921 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:30:34,921 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:30:34,921 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-13 05:30:34,922 INFO L427 AbstractCegarLoop]: === Iteration 14 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:30:34,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:30:34,922 INFO L82 PathProgramCache]: Analyzing trace with hash 951090743, now seen corresponding path program 1 times [2020-10-13 05:30:34,923 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:30:34,924 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [806524585] [2020-10-13 05:30:34,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:30:34,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:30:35,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:35,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:35,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:30:35,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 284 [2020-10-13 05:30:35,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 05:30:35,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 427 [2020-10-13 05:30:35,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:30:35,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:30:35,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-10-13 05:30:35,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-13 05:30:35,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:30:35,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:30:35,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:30:35,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:35,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:30:35,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 05:30:35,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:30:35,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:30:35,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:30:35,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:30:35,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:30:35,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:30:35,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:30:35,584 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 493 proven. 0 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2020-10-13 05:30:35,585 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [806524585] [2020-10-13 05:30:35,585 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 05:30:35,585 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 05:30:35,586 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097072459] [2020-10-13 05:30:35,586 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 05:30:35,586 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:30:35,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 05:30:35,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 05:30:35,587 INFO L87 Difference]: Start difference. First operand 1081 states and 1452 transitions. Second operand 3 states. [2020-10-13 05:30:35,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:30:35,660 INFO L93 Difference]: Finished difference Result 3165 states and 4260 transitions. [2020-10-13 05:30:35,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 05:30:35,661 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 276 [2020-10-13 05:30:35,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:30:35,670 INFO L225 Difference]: With dead ends: 3165 [2020-10-13 05:30:35,670 INFO L226 Difference]: Without dead ends: 1585 [2020-10-13 05:30:35,675 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 05:30:35,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1585 states. [2020-10-13 05:30:35,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1585 to 1583. [2020-10-13 05:30:35,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1583 states. [2020-10-13 05:30:35,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1583 states to 1583 states and 2122 transitions. [2020-10-13 05:30:35,747 INFO L78 Accepts]: Start accepts. Automaton has 1583 states and 2122 transitions. Word has length 276 [2020-10-13 05:30:35,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:30:35,747 INFO L479 AbstractCegarLoop]: Abstraction has 1583 states and 2122 transitions. [2020-10-13 05:30:35,748 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 05:30:35,748 INFO L276 IsEmpty]: Start isEmpty. Operand 1583 states and 2122 transitions. [2020-10-13 05:30:35,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2020-10-13 05:30:35,753 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:30:35,754 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 7, 7, 6, 6, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:30:35,754 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-13 05:30:35,755 INFO L427 AbstractCegarLoop]: === Iteration 15 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:30:35,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:30:35,755 INFO L82 PathProgramCache]: Analyzing trace with hash 71238369, now seen corresponding path program 1 times [2020-10-13 05:30:35,756 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:30:35,756 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [516855034] [2020-10-13 05:30:35,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:30:35,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:30:35,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:35,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:35,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:36,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:30:36,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 304 [2020-10-13 05:30:36,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 05:30:36,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 467 [2020-10-13 05:30:36,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:30:36,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:30:36,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 185 [2020-10-13 05:30:36,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 05:30:36,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:30:36,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:30:36,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:30:36,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:36,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:30:36,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 05:30:36,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:30:36,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:30:36,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:30:36,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:30:36,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:30:36,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:30:36,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:30:36,379 INFO L134 CoverageAnalysis]: Checked inductivity of 869 backedges. 450 proven. 0 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2020-10-13 05:30:36,379 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [516855034] [2020-10-13 05:30:36,379 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 05:30:36,380 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 05:30:36,380 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068739191] [2020-10-13 05:30:36,380 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 05:30:36,381 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:30:36,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 05:30:36,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 05:30:36,381 INFO L87 Difference]: Start difference. First operand 1583 states and 2122 transitions. Second operand 3 states. [2020-10-13 05:30:36,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:30:36,601 INFO L93 Difference]: Finished difference Result 3282 states and 4430 transitions. [2020-10-13 05:30:36,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 05:30:36,602 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 296 [2020-10-13 05:30:36,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:30:36,612 INFO L225 Difference]: With dead ends: 3282 [2020-10-13 05:30:36,612 INFO L226 Difference]: Without dead ends: 1712 [2020-10-13 05:30:36,620 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 05:30:36,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1712 states. [2020-10-13 05:30:36,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1712 to 1643. [2020-10-13 05:30:36,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1643 states. [2020-10-13 05:30:36,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1643 states to 1643 states and 2197 transitions. [2020-10-13 05:30:36,687 INFO L78 Accepts]: Start accepts. Automaton has 1643 states and 2197 transitions. Word has length 296 [2020-10-13 05:30:36,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:30:36,688 INFO L479 AbstractCegarLoop]: Abstraction has 1643 states and 2197 transitions. [2020-10-13 05:30:36,688 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 05:30:36,688 INFO L276 IsEmpty]: Start isEmpty. Operand 1643 states and 2197 transitions. [2020-10-13 05:30:36,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2020-10-13 05:30:36,696 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:30:36,697 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 7, 7, 6, 6, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:30:36,697 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-13 05:30:36,697 INFO L427 AbstractCegarLoop]: === Iteration 16 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:30:36,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:30:36,698 INFO L82 PathProgramCache]: Analyzing trace with hash 149747833, now seen corresponding path program 1 times [2020-10-13 05:30:36,698 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:30:36,699 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [420082041] [2020-10-13 05:30:36,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:30:36,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:30:36,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:36,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:36,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:37,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:30:37,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 305 [2020-10-13 05:30:37,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 05:30:37,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 594 [2020-10-13 05:30:37,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:30:37,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:30:37,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 186 [2020-10-13 05:30:37,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-13 05:30:37,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:30:37,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:30:37,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:30:37,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:37,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:30:37,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 05:30:37,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:30:37,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 05:30:37,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:30:37,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:30:37,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:30:37,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:30:37,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:30:37,448 INFO L134 CoverageAnalysis]: Checked inductivity of 869 backedges. 478 proven. 0 refuted. 0 times theorem prover too weak. 391 trivial. 0 not checked. [2020-10-13 05:30:37,448 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [420082041] [2020-10-13 05:30:37,451 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 05:30:37,452 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 05:30:37,452 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827341485] [2020-10-13 05:30:37,453 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 05:30:37,453 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:30:37,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 05:30:37,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 05:30:37,454 INFO L87 Difference]: Start difference. First operand 1643 states and 2197 transitions. Second operand 3 states. [2020-10-13 05:30:37,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:30:37,660 INFO L93 Difference]: Finished difference Result 3489 states and 4749 transitions. [2020-10-13 05:30:37,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 05:30:37,661 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 297 [2020-10-13 05:30:37,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:30:37,671 INFO L225 Difference]: With dead ends: 3489 [2020-10-13 05:30:37,672 INFO L226 Difference]: Without dead ends: 1859 [2020-10-13 05:30:37,676 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 05:30:37,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1859 states. [2020-10-13 05:30:37,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1859 to 1847. [2020-10-13 05:30:37,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1847 states. [2020-10-13 05:30:37,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1847 states to 1847 states and 2431 transitions. [2020-10-13 05:30:37,744 INFO L78 Accepts]: Start accepts. Automaton has 1847 states and 2431 transitions. Word has length 297 [2020-10-13 05:30:37,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:30:37,745 INFO L479 AbstractCegarLoop]: Abstraction has 1847 states and 2431 transitions. [2020-10-13 05:30:37,745 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 05:30:37,745 INFO L276 IsEmpty]: Start isEmpty. Operand 1847 states and 2431 transitions. [2020-10-13 05:30:37,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2020-10-13 05:30:37,752 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:30:37,752 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 6, 6, 5, 4, 4, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:30:37,752 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-13 05:30:37,753 INFO L427 AbstractCegarLoop]: === Iteration 17 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:30:37,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:30:37,754 INFO L82 PathProgramCache]: Analyzing trace with hash -2006368657, now seen corresponding path program 1 times [2020-10-13 05:30:37,754 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:30:37,754 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1902936525] [2020-10-13 05:30:37,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:30:37,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:30:37,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:37,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:38,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:38,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:30:38,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 336 [2020-10-13 05:30:38,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 05:30:38,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 578 [2020-10-13 05:30:38,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:30:38,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:30:38,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 217 [2020-10-13 05:30:38,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-13 05:30:38,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:30:38,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:30:38,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:30:38,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:38,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:30:38,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 05:30:38,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:30:38,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:30:38,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:30:38,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:30:38,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:30:38,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:30:38,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:30:38,507 INFO L134 CoverageAnalysis]: Checked inductivity of 1096 backedges. 569 proven. 0 refuted. 0 times theorem prover too weak. 527 trivial. 0 not checked. [2020-10-13 05:30:38,507 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1902936525] [2020-10-13 05:30:38,507 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 05:30:38,508 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 05:30:38,508 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514414361] [2020-10-13 05:30:38,508 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 05:30:38,509 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:30:38,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 05:30:38,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 05:30:38,510 INFO L87 Difference]: Start difference. First operand 1847 states and 2431 transitions. Second operand 3 states. [2020-10-13 05:30:38,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:30:38,718 INFO L93 Difference]: Finished difference Result 3909 states and 5241 transitions. [2020-10-13 05:30:38,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 05:30:38,718 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 328 [2020-10-13 05:30:38,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:30:38,730 INFO L225 Difference]: With dead ends: 3909 [2020-10-13 05:30:38,731 INFO L226 Difference]: Without dead ends: 2075 [2020-10-13 05:30:38,735 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 05:30:38,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2075 states. [2020-10-13 05:30:38,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2075 to 2063. [2020-10-13 05:30:38,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2063 states. [2020-10-13 05:30:38,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2063 states to 2063 states and 2677 transitions. [2020-10-13 05:30:38,802 INFO L78 Accepts]: Start accepts. Automaton has 2063 states and 2677 transitions. Word has length 328 [2020-10-13 05:30:38,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:30:38,803 INFO L479 AbstractCegarLoop]: Abstraction has 2063 states and 2677 transitions. [2020-10-13 05:30:38,803 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 05:30:38,803 INFO L276 IsEmpty]: Start isEmpty. Operand 2063 states and 2677 transitions. [2020-10-13 05:30:38,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2020-10-13 05:30:38,809 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:30:38,810 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 9, 9, 8, 8, 7, 7, 7, 7, 6, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:30:38,810 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-13 05:30:38,810 INFO L427 AbstractCegarLoop]: === Iteration 18 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:30:38,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:30:38,810 INFO L82 PathProgramCache]: Analyzing trace with hash -2111981730, now seen corresponding path program 1 times [2020-10-13 05:30:38,811 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:30:38,811 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [844706029] [2020-10-13 05:30:38,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:30:38,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:30:38,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:39,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:30:39,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 369 [2020-10-13 05:30:39,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:30:39,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 272 [2020-10-13 05:30:39,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:30:39,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:30:39,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-10-13 05:30:39,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 236 [2020-10-13 05:30:39,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:30:39,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:30:39,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:30:39,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:39,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:30:39,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 05:30:39,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:30:39,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 05:30:39,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:30:39,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:30:39,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:30:39,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:30:39,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:30:39,322 INFO L134 CoverageAnalysis]: Checked inductivity of 1358 backedges. 682 proven. 0 refuted. 0 times theorem prover too weak. 676 trivial. 0 not checked. [2020-10-13 05:30:39,322 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [844706029] [2020-10-13 05:30:39,322 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 05:30:39,322 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 05:30:39,331 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342300703] [2020-10-13 05:30:39,334 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 05:30:39,334 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:30:39,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 05:30:39,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 05:30:39,335 INFO L87 Difference]: Start difference. First operand 2063 states and 2677 transitions. Second operand 3 states. [2020-10-13 05:30:39,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:30:39,424 INFO L93 Difference]: Finished difference Result 4805 states and 6235 transitions. [2020-10-13 05:30:39,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 05:30:39,425 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 361 [2020-10-13 05:30:39,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:30:39,440 INFO L225 Difference]: With dead ends: 4805 [2020-10-13 05:30:39,440 INFO L226 Difference]: Without dead ends: 2755 [2020-10-13 05:30:39,446 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 05:30:39,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2755 states. [2020-10-13 05:30:39,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2755 to 2755. [2020-10-13 05:30:39,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2755 states. [2020-10-13 05:30:39,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2755 states to 2755 states and 3574 transitions. [2020-10-13 05:30:39,536 INFO L78 Accepts]: Start accepts. Automaton has 2755 states and 3574 transitions. Word has length 361 [2020-10-13 05:30:39,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:30:39,536 INFO L479 AbstractCegarLoop]: Abstraction has 2755 states and 3574 transitions. [2020-10-13 05:30:39,536 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 05:30:39,537 INFO L276 IsEmpty]: Start isEmpty. Operand 2755 states and 3574 transitions. [2020-10-13 05:30:39,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2020-10-13 05:30:39,548 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:30:39,548 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 13, 13, 12, 12, 11, 11, 10, 10, 10, 10, 8, 7, 7, 6, 6, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:30:39,548 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-13 05:30:39,548 INFO L427 AbstractCegarLoop]: === Iteration 19 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:30:39,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:30:39,549 INFO L82 PathProgramCache]: Analyzing trace with hash -1352604326, now seen corresponding path program 1 times [2020-10-13 05:30:39,549 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:30:39,549 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1803906613] [2020-10-13 05:30:39,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:30:39,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:30:39,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:39,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:40,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:40,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:30:40,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 481 [2020-10-13 05:30:40,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 05:30:40,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1022 [2020-10-13 05:30:40,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:30:40,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:30:40,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 250 [2020-10-13 05:30:40,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-13 05:30:40,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:30:40,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:30:40,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:30:40,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:40,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:30:40,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 05:30:40,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:30:40,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 05:30:40,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:30:40,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:30:40,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:30:40,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:30:40,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:30:40,853 INFO L134 CoverageAnalysis]: Checked inductivity of 2332 backedges. 1352 proven. 0 refuted. 0 times theorem prover too weak. 980 trivial. 0 not checked. [2020-10-13 05:30:40,854 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1803906613] [2020-10-13 05:30:40,854 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 05:30:40,854 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 05:30:40,854 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146378663] [2020-10-13 05:30:40,856 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 05:30:40,856 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:30:40,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 05:30:40,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 05:30:40,857 INFO L87 Difference]: Start difference. First operand 2755 states and 3574 transitions. Second operand 3 states. [2020-10-13 05:30:41,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:30:41,093 INFO L93 Difference]: Finished difference Result 5661 states and 7416 transitions. [2020-10-13 05:30:41,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 05:30:41,093 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 473 [2020-10-13 05:30:41,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:30:41,108 INFO L225 Difference]: With dead ends: 5661 [2020-10-13 05:30:41,108 INFO L226 Difference]: Without dead ends: 2694 [2020-10-13 05:30:41,115 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 05:30:41,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2694 states. [2020-10-13 05:30:41,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2694 to 2334. [2020-10-13 05:30:41,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2334 states. [2020-10-13 05:30:41,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2334 states to 2334 states and 2989 transitions. [2020-10-13 05:30:41,198 INFO L78 Accepts]: Start accepts. Automaton has 2334 states and 2989 transitions. Word has length 473 [2020-10-13 05:30:41,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:30:41,199 INFO L479 AbstractCegarLoop]: Abstraction has 2334 states and 2989 transitions. [2020-10-13 05:30:41,199 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 05:30:41,199 INFO L276 IsEmpty]: Start isEmpty. Operand 2334 states and 2989 transitions. [2020-10-13 05:30:41,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 512 [2020-10-13 05:30:41,212 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:30:41,213 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 14, 14, 13, 13, 12, 12, 11, 11, 11, 11, 9, 8, 8, 7, 7, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:30:41,213 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-13 05:30:41,213 INFO L427 AbstractCegarLoop]: === Iteration 20 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:30:41,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:30:41,214 INFO L82 PathProgramCache]: Analyzing trace with hash -1340588926, now seen corresponding path program 1 times [2020-10-13 05:30:41,214 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:30:41,214 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [904295269] [2020-10-13 05:30:41,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:30:41,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:30:41,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:41,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:30:41,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 519 [2020-10-13 05:30:41,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:30:41,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 319 [2020-10-13 05:30:41,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:30:41,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 05:30:41,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 370 [2020-10-13 05:30:41,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-13 05:30:41,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:30:41,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:30:41,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:30:41,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:30:41,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:30:41,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 05:30:41,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:30:41,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 05:30:41,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:30:41,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:30:41,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:30:41,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:30:41,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:30:41,833 INFO L134 CoverageAnalysis]: Checked inductivity of 2728 backedges. 1309 proven. 26 refuted. 0 times theorem prover too weak. 1393 trivial. 0 not checked. [2020-10-13 05:30:41,833 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [904295269] [2020-10-13 05:30:41,833 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 05:30:41,834 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-10-13 05:30:41,834 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515635380] [2020-10-13 05:30:41,835 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 05:30:41,835 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:30:41,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 05:30:41,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 05:30:41,835 INFO L87 Difference]: Start difference. First operand 2334 states and 2989 transitions. Second operand 4 states. [2020-10-13 05:30:42,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:30:42,048 INFO L93 Difference]: Finished difference Result 3009 states and 3839 transitions. [2020-10-13 05:30:42,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-13 05:30:42,048 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 511 [2020-10-13 05:30:42,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:30:42,050 INFO L225 Difference]: With dead ends: 3009 [2020-10-13 05:30:42,050 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 05:30:42,055 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-13 05:30:42,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 05:30:42,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 05:30:42,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 05:30:42,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 05:30:42,056 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 511 [2020-10-13 05:30:42,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:30:42,057 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 05:30:42,057 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 05:30:42,057 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 05:30:42,057 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 05:30:42,057 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-13 05:30:42,059 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 05:30:42,348 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 84 [2020-10-13 05:30:43,472 WARN L193 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2020-10-13 05:30:43,978 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 69 [2020-10-13 05:30:44,163 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-10-13 05:30:44,163 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 05:30:44,163 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 05:30:44,163 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-13 05:30:44,163 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 05:30:44,163 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 05:30:44,164 INFO L264 CegarLoopResult]: At program point L686(line 686) the Hoare annotation is: (and (<= 8464 main_~s~0) (<= main_~s~0 8464)) [2020-10-13 05:30:44,164 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 679 690) the Hoare annotation is: true [2020-10-13 05:30:44,164 INFO L268 CegarLoopResult]: For program point L686-1(line 686) no Hoare annotation was computed. [2020-10-13 05:30:44,164 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 679 690) no Hoare annotation was computed. [2020-10-13 05:30:44,164 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 679 690) no Hoare annotation was computed. [2020-10-13 05:30:44,164 INFO L268 CegarLoopResult]: For program point L630(lines 630 654) no Hoare annotation was computed. [2020-10-13 05:30:44,164 INFO L268 CegarLoopResult]: For program point L564(lines 564 568) no Hoare annotation was computed. [2020-10-13 05:30:44,165 INFO L268 CegarLoopResult]: For program point L498(lines 498 502) no Hoare annotation was computed. [2020-10-13 05:30:44,165 INFO L268 CegarLoopResult]: For program point L564-2(lines 564 568) no Hoare annotation was computed. [2020-10-13 05:30:44,165 INFO L268 CegarLoopResult]: For program point L498-2(lines 209 590) no Hoare annotation was computed. [2020-10-13 05:30:44,165 INFO L268 CegarLoopResult]: For program point L201(lines 201 595) no Hoare annotation was computed. [2020-10-13 05:30:44,165 INFO L268 CegarLoopResult]: For program point L168(lines 168 606) no Hoare annotation was computed. [2020-10-13 05:30:44,165 INFO L268 CegarLoopResult]: For program point L135(lines 135 617) no Hoare annotation was computed. [2020-10-13 05:30:44,165 INFO L268 CegarLoopResult]: For program point L102(lines 102 628) no Hoare annotation was computed. [2020-10-13 05:30:44,165 INFO L268 CegarLoopResult]: For program point L664(lines 664 668) no Hoare annotation was computed. [2020-10-13 05:30:44,166 INFO L268 CegarLoopResult]: For program point L631(lines 631 640) no Hoare annotation was computed. [2020-10-13 05:30:44,166 INFO L268 CegarLoopResult]: For program point L664-2(lines 664 668) no Hoare annotation was computed. [2020-10-13 05:30:44,166 INFO L268 CegarLoopResult]: For program point L631-2(lines 630 652) no Hoare annotation was computed. [2020-10-13 05:30:44,166 INFO L268 CegarLoopResult]: For program point L268(lines 268 272) no Hoare annotation was computed. [2020-10-13 05:30:44,166 INFO L264 CegarLoopResult]: At program point L202(lines 198 596) the Hoare annotation is: (or (not (<= 8464 |ssl3_accept_#in~initial_state|)) (not (<= |ssl3_accept_#in~initial_state| 8464)) (and (<= ssl3_accept_~blastFlag~0 3) (<= 8672 ssl3_accept_~s__state~0))) [2020-10-13 05:30:44,166 INFO L264 CegarLoopResult]: At program point L103(lines 102 628) the Hoare annotation is: (or (not (<= 8464 |ssl3_accept_#in~initial_state|)) (not (<= |ssl3_accept_#in~initial_state| 8464)) (and (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~blastFlag~0 3) (<= 8672 ssl3_accept_~s__state~0))) [2020-10-13 05:30:44,167 INFO L268 CegarLoopResult]: For program point L302(lines 302 306) no Hoare annotation was computed. [2020-10-13 05:30:44,167 INFO L268 CegarLoopResult]: For program point L302-2(lines 209 590) no Hoare annotation was computed. [2020-10-13 05:30:44,167 INFO L268 CegarLoopResult]: For program point L633(lines 633 637) no Hoare annotation was computed. [2020-10-13 05:30:44,167 INFO L268 CegarLoopResult]: For program point L204(lines 204 594) no Hoare annotation was computed. [2020-10-13 05:30:44,167 INFO L268 CegarLoopResult]: For program point L171(lines 171 605) no Hoare annotation was computed. [2020-10-13 05:30:44,167 INFO L268 CegarLoopResult]: For program point L138(lines 138 616) no Hoare annotation was computed. [2020-10-13 05:30:44,167 INFO L268 CegarLoopResult]: For program point L105(lines 105 627) no Hoare annotation was computed. [2020-10-13 05:30:44,167 INFO L268 CegarLoopResult]: For program point L337(lines 337 341) no Hoare annotation was computed. [2020-10-13 05:30:44,168 INFO L268 CegarLoopResult]: For program point L337-2(lines 209 590) no Hoare annotation was computed. [2020-10-13 05:30:44,168 INFO L271 CegarLoopResult]: At program point L205(lines 204 594) the Hoare annotation is: true [2020-10-13 05:30:44,168 INFO L264 CegarLoopResult]: At program point L172(lines 168 606) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8672))) (or (not (<= 8464 |ssl3_accept_#in~initial_state|)) (not (<= |ssl3_accept_#in~initial_state| 8464)) (and .cse0 (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~blastFlag~0 3)) (and .cse0 (<= ssl3_accept_~blastFlag~0 2)))) [2020-10-13 05:30:44,168 INFO L264 CegarLoopResult]: At program point L139(lines 135 617) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8672))) (or (not (<= 8464 |ssl3_accept_#in~initial_state|)) (not (<= |ssl3_accept_#in~initial_state| 8464)) (and .cse0 (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~blastFlag~0 3)) (and .cse0 (<= ssl3_accept_~blastFlag~0 2)))) [2020-10-13 05:30:44,168 INFO L268 CegarLoopResult]: For program point L73(lines 73 81) no Hoare annotation was computed. [2020-10-13 05:30:44,168 INFO L268 CegarLoopResult]: For program point L437(lines 437 449) no Hoare annotation was computed. [2020-10-13 05:30:44,169 INFO L264 CegarLoopResult]: At program point L404(lines 395 415) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8672))) (or (not (<= 8464 |ssl3_accept_#in~initial_state|)) (not (<= |ssl3_accept_#in~initial_state| 8464)) (and .cse0 (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~blastFlag~0 3)) (and .cse0 (<= ssl3_accept_~blastFlag~0 2)))) [2020-10-13 05:30:44,169 INFO L268 CegarLoopResult]: For program point L437-2(lines 437 449) no Hoare annotation was computed. [2020-10-13 05:30:44,169 INFO L268 CegarLoopResult]: For program point L174(lines 174 604) no Hoare annotation was computed. [2020-10-13 05:30:44,169 INFO L268 CegarLoopResult]: For program point L141(lines 141 615) no Hoare annotation was computed. [2020-10-13 05:30:44,169 INFO L268 CegarLoopResult]: For program point L108(lines 108 626) no Hoare annotation was computed. [2020-10-13 05:30:44,169 INFO L271 CegarLoopResult]: At program point L208(lines 207 593) the Hoare annotation is: true [2020-10-13 05:30:44,169 INFO L268 CegarLoopResult]: For program point L76(lines 76 80) no Hoare annotation was computed. [2020-10-13 05:30:44,170 INFO L268 CegarLoopResult]: For program point L76-2(lines 73 81) no Hoare annotation was computed. [2020-10-13 05:30:44,170 INFO L271 CegarLoopResult]: At program point ssl3_acceptENTRY(lines 10 678) the Hoare annotation is: true [2020-10-13 05:30:44,170 INFO L268 CegarLoopResult]: For program point L539(lines 539 544) no Hoare annotation was computed. [2020-10-13 05:30:44,170 INFO L268 CegarLoopResult]: For program point L440(lines 440 445) no Hoare annotation was computed. [2020-10-13 05:30:44,170 INFO L268 CegarLoopResult]: For program point L407(lines 407 411) no Hoare annotation was computed. [2020-10-13 05:30:44,170 INFO L268 CegarLoopResult]: For program point L242(lines 242 247) no Hoare annotation was computed. [2020-10-13 05:30:44,170 INFO L268 CegarLoopResult]: For program point L177(lines 177 603) no Hoare annotation was computed. [2020-10-13 05:30:44,170 INFO L268 CegarLoopResult]: For program point L144(lines 144 614) no Hoare annotation was computed. [2020-10-13 05:30:44,170 INFO L268 CegarLoopResult]: For program point L111(lines 111 625) no Hoare annotation was computed. [2020-10-13 05:30:44,171 INFO L268 CegarLoopResult]: For program point L574(lines 574 584) no Hoare annotation was computed. [2020-10-13 05:30:44,171 INFO L268 CegarLoopResult]: For program point L574-1(lines 574 584) no Hoare annotation was computed. [2020-10-13 05:30:44,171 INFO L268 CegarLoopResult]: For program point L508(lines 508 512) no Hoare annotation was computed. [2020-10-13 05:30:44,171 INFO L268 CegarLoopResult]: For program point L508-2(lines 508 512) no Hoare annotation was computed. [2020-10-13 05:30:44,171 INFO L264 CegarLoopResult]: At program point L178(lines 174 604) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8672))) (or (not (<= 8464 |ssl3_accept_#in~initial_state|)) (not (<= |ssl3_accept_#in~initial_state| 8464)) (and .cse0 (not (= ssl3_accept_~s__hit~0 0))) (and .cse0 (<= ssl3_accept_~blastFlag~0 2)))) [2020-10-13 05:30:44,171 INFO L264 CegarLoopResult]: At program point L145(lines 141 615) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8672))) (or (not (<= 8464 |ssl3_accept_#in~initial_state|)) (not (<= |ssl3_accept_#in~initial_state| 8464)) (and .cse0 (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~blastFlag~0 3)) (and .cse0 (<= ssl3_accept_~blastFlag~0 2)))) [2020-10-13 05:30:44,171 INFO L268 CegarLoopResult]: For program point L476(lines 476 480) no Hoare annotation was computed. [2020-10-13 05:30:44,172 INFO L264 CegarLoopResult]: At program point L212(lines 105 627) the Hoare annotation is: (or (not (<= 8464 |ssl3_accept_#in~initial_state|)) (and (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~blastFlag~0 3)) (not (<= |ssl3_accept_#in~initial_state| 8464))) [2020-10-13 05:30:44,172 INFO L271 CegarLoopResult]: At program point L675(lines 65 677) the Hoare annotation is: true [2020-10-13 05:30:44,172 INFO L268 CegarLoopResult]: For program point L642(lines 642 648) no Hoare annotation was computed. [2020-10-13 05:30:44,172 INFO L268 CegarLoopResult]: For program point L345(lines 345 377) no Hoare annotation was computed. [2020-10-13 05:30:44,172 INFO L268 CegarLoopResult]: For program point L312(lines 312 316) no Hoare annotation was computed. [2020-10-13 05:30:44,172 INFO L268 CegarLoopResult]: For program point L312-2(lines 312 316) no Hoare annotation was computed. [2020-10-13 05:30:44,172 INFO L268 CegarLoopResult]: For program point L180(lines 180 602) no Hoare annotation was computed. [2020-10-13 05:30:44,172 INFO L268 CegarLoopResult]: For program point L147(lines 147 613) no Hoare annotation was computed. [2020-10-13 05:30:44,172 INFO L268 CegarLoopResult]: For program point L114(lines 114 624) no Hoare annotation was computed. [2020-10-13 05:30:44,173 INFO L268 CegarLoopResult]: For program point L577(lines 577 581) no Hoare annotation was computed. [2020-10-13 05:30:44,173 INFO L268 CegarLoopResult]: For program point L83(lines 83 91) no Hoare annotation was computed. [2020-10-13 05:30:44,173 INFO L268 CegarLoopResult]: For program point L83-1(lines 65 677) no Hoare annotation was computed. [2020-10-13 05:30:44,173 INFO L268 CegarLoopResult]: For program point L348(lines 348 376) no Hoare annotation was computed. [2020-10-13 05:30:44,173 INFO L268 CegarLoopResult]: For program point L348-1(lines 348 376) no Hoare annotation was computed. [2020-10-13 05:30:44,173 INFO L268 CegarLoopResult]: For program point L249(lines 249 262) no Hoare annotation was computed. [2020-10-13 05:30:44,173 INFO L268 CegarLoopResult]: For program point L183(lines 183 601) no Hoare annotation was computed. [2020-10-13 05:30:44,173 INFO L268 CegarLoopResult]: For program point L150(lines 150 612) no Hoare annotation was computed. [2020-10-13 05:30:44,174 INFO L268 CegarLoopResult]: For program point L117(lines 117 623) no Hoare annotation was computed. [2020-10-13 05:30:44,174 INFO L268 CegarLoopResult]: For program point L84(lines 84 88) no Hoare annotation was computed. [2020-10-13 05:30:44,174 INFO L268 CegarLoopResult]: For program point L349(lines 349 373) no Hoare annotation was computed. [2020-10-13 05:30:44,174 INFO L268 CegarLoopResult]: For program point L217(lines 217 221) no Hoare annotation was computed. [2020-10-13 05:30:44,174 INFO L264 CegarLoopResult]: At program point L184(lines 180 602) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8672))) (or (not (<= 8464 |ssl3_accept_#in~initial_state|)) (not (<= |ssl3_accept_#in~initial_state| 8464)) (and .cse0 (not (= ssl3_accept_~s__hit~0 0))) (and .cse0 (<= ssl3_accept_~blastFlag~0 2)))) [2020-10-13 05:30:44,174 INFO L264 CegarLoopResult]: At program point L151(lines 147 613) the Hoare annotation is: (let ((.cse2 (<= ssl3_accept_~s__state~0 8672)) (.cse1 (<= |ssl3_accept_#in~initial_state| 8464)) (.cse0 (<= 8464 |ssl3_accept_#in~initial_state|)) (.cse3 (<= ssl3_accept_~blastFlag~0 3))) (or (not .cse0) (not .cse1) (and .cse2 .cse1 (<= ssl3_accept_~blastFlag~0 2) .cse0 .cse3) (and .cse2 .cse1 (not (= ssl3_accept_~s__hit~0 0)) .cse0 .cse3))) [2020-10-13 05:30:44,174 INFO L268 CegarLoopResult]: For program point L217-2(lines 209 590) no Hoare annotation was computed. [2020-10-13 05:30:44,175 INFO L268 CegarLoopResult]: For program point L251(lines 251 256) no Hoare annotation was computed. [2020-10-13 05:30:44,175 INFO L268 CegarLoopResult]: For program point L549(lines 549 557) no Hoare annotation was computed. [2020-10-13 05:30:44,175 INFO L268 CegarLoopResult]: For program point L285(lines 285 289) no Hoare annotation was computed. [2020-10-13 05:30:44,175 INFO L268 CegarLoopResult]: For program point L285-2(lines 209 590) no Hoare annotation was computed. [2020-10-13 05:30:44,175 INFO L268 CegarLoopResult]: For program point L186(lines 186 600) no Hoare annotation was computed. [2020-10-13 05:30:44,175 INFO L268 CegarLoopResult]: For program point L153(lines 153 611) no Hoare annotation was computed. [2020-10-13 05:30:44,175 INFO L268 CegarLoopResult]: For program point L120(lines 120 622) no Hoare annotation was computed. [2020-10-13 05:30:44,175 INFO L268 CegarLoopResult]: For program point L385(lines 385 416) no Hoare annotation was computed. [2020-10-13 05:30:44,176 INFO L268 CegarLoopResult]: For program point L352(lines 352 372) no Hoare annotation was computed. [2020-10-13 05:30:44,176 INFO L264 CegarLoopResult]: At program point L121(lines 117 623) the Hoare annotation is: (or (not (<= 8464 |ssl3_accept_#in~initial_state|)) (not (<= |ssl3_accept_#in~initial_state| 8464)) (and (<= ssl3_accept_~s__state~0 8672) (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~blastFlag~0 3))) [2020-10-13 05:30:44,176 INFO L268 CegarLoopResult]: For program point L386(lines 386 392) no Hoare annotation was computed. [2020-10-13 05:30:44,176 INFO L268 CegarLoopResult]: For program point L552(lines 552 556) no Hoare annotation was computed. [2020-10-13 05:30:44,176 INFO L268 CegarLoopResult]: For program point ssl3_acceptEXIT(lines 10 678) no Hoare annotation was computed. [2020-10-13 05:30:44,176 INFO L268 CegarLoopResult]: For program point L519(lines 519 524) no Hoare annotation was computed. [2020-10-13 05:30:44,176 INFO L268 CegarLoopResult]: For program point L354(lines 354 358) no Hoare annotation was computed. [2020-10-13 05:30:44,177 INFO L268 CegarLoopResult]: For program point L321-1(lines 321 330) no Hoare annotation was computed. [2020-10-13 05:30:44,177 INFO L268 CegarLoopResult]: For program point L354-2(lines 352 370) no Hoare annotation was computed. [2020-10-13 05:30:44,177 INFO L268 CegarLoopResult]: For program point L189(lines 189 599) no Hoare annotation was computed. [2020-10-13 05:30:44,177 INFO L268 CegarLoopResult]: For program point L156(lines 156 610) no Hoare annotation was computed. [2020-10-13 05:30:44,177 INFO L268 CegarLoopResult]: For program point L123(lines 123 621) no Hoare annotation was computed. [2020-10-13 05:30:44,177 INFO L264 CegarLoopResult]: At program point L553(lines 65 677) the Hoare annotation is: (or (not (<= 8464 |ssl3_accept_#in~initial_state|)) (not (<= |ssl3_accept_#in~initial_state| 8464))) [2020-10-13 05:30:44,177 INFO L268 CegarLoopResult]: For program point L487(lines 487 491) no Hoare annotation was computed. [2020-10-13 05:30:44,177 INFO L264 CegarLoopResult]: At program point L190(lines 186 600) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8672))) (or (not (<= 8464 |ssl3_accept_#in~initial_state|)) (not (<= |ssl3_accept_#in~initial_state| 8464)) (and .cse0 (not (= ssl3_accept_~s__hit~0 0))) (and .cse0 (<= ssl3_accept_~blastFlag~0 2)))) [2020-10-13 05:30:44,178 INFO L264 CegarLoopResult]: At program point L157(lines 153 611) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8672))) (or (not (<= 8464 |ssl3_accept_#in~initial_state|)) (not (<= |ssl3_accept_#in~initial_state| 8464)) (and .cse0 (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~blastFlag~0 3)) (and .cse0 (<= ssl3_accept_~blastFlag~0 2)))) [2020-10-13 05:30:44,178 INFO L264 CegarLoopResult]: At program point L124(lines 123 621) the Hoare annotation is: (or (not (<= 8464 |ssl3_accept_#in~initial_state|)) (not (<= |ssl3_accept_#in~initial_state| 8464)) (<= ssl3_accept_~s__state~0 8672)) [2020-10-13 05:30:44,178 INFO L268 CegarLoopResult]: For program point L455(lines 455 459) no Hoare annotation was computed. [2020-10-13 05:30:44,178 INFO L268 CegarLoopResult]: For program point ssl3_acceptFINAL(lines 10 678) no Hoare annotation was computed. [2020-10-13 05:30:44,178 INFO L268 CegarLoopResult]: For program point L192(lines 192 598) no Hoare annotation was computed. [2020-10-13 05:30:44,178 INFO L268 CegarLoopResult]: For program point L159(lines 159 609) no Hoare annotation was computed. [2020-10-13 05:30:44,178 INFO L268 CegarLoopResult]: For program point L126(lines 126 620) no Hoare annotation was computed. [2020-10-13 05:30:44,179 INFO L268 CegarLoopResult]: For program point L325(lines 325 329) no Hoare annotation was computed. [2020-10-13 05:30:44,179 INFO L264 CegarLoopResult]: At program point L591(lines 99 659) the Hoare annotation is: (let ((.cse4 (<= 8576 ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse5 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse6 (= ssl3_accept_~s__state~0 8640)) (.cse7 (= ssl3_accept_~s__state~0 8608)) (.cse8 (= ssl3_accept_~s__state~0 8592)) (.cse0 (not (= ssl3_accept_~s__hit~0 0))) (.cse3 (= 8448 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~blastFlag~0 3)) (.cse2 (<= ssl3_accept_~blastFlag~0 2))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse2) (not (<= |ssl3_accept_#in~initial_state| 8464)) (and (<= ssl3_accept_~s__state~0 8576) .cse2 (< 8575 ssl3_accept_~s__state~0) .cse4 .cse5) (and .cse2 (= ssl3_accept_~s__state~0 8656)) (and .cse0 .cse7) (and .cse6 .cse0) (and .cse8 .cse2) (and .cse2 (= 8466 ssl3_accept_~s__state~0)) (and .cse2 (= ssl3_accept_~s__state~0 8544)) (and .cse7 .cse2) (and (<= ssl3_accept_~s__state~0 8672) .cse1 (<= 8672 ssl3_accept_~s__state~0)) (and .cse8 .cse0) (not (<= 8464 |ssl3_accept_#in~initial_state|)) (and .cse2 (= 8496 ssl3_accept_~s__state~0)) (and (= 8560 ssl3_accept_~s__state~0) .cse2) (<= ssl3_accept_~s__state~0 3) (and .cse3 .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 3)) (and (= ssl3_accept_~s__state~0 8512) .cse2) (and (= ssl3_accept_~s__state~0 8528) .cse2))) [2020-10-13 05:30:44,179 INFO L268 CegarLoopResult]: For program point L558(lines 558 562) no Hoare annotation was computed. [2020-10-13 05:30:44,179 INFO L268 CegarLoopResult]: For program point L426(lines 426 430) no Hoare annotation was computed. [2020-10-13 05:30:44,180 INFO L264 CegarLoopResult]: At program point L360(lines 342 378) the Hoare annotation is: (let ((.cse2 (<= ssl3_accept_~s__state~0 8672)) (.cse1 (<= |ssl3_accept_#in~initial_state| 8464)) (.cse0 (<= 8464 |ssl3_accept_#in~initial_state|)) (.cse3 (<= ssl3_accept_~blastFlag~0 3))) (or (not .cse0) (not .cse1) (and .cse2 .cse1 (<= ssl3_accept_~blastFlag~0 2) .cse0 .cse3) (and .cse2 .cse1 (not (= ssl3_accept_~s__hit~0 0)) .cse0 .cse3))) [2020-10-13 05:30:44,180 INFO L268 CegarLoopResult]: For program point L195(lines 195 597) no Hoare annotation was computed. [2020-10-13 05:30:44,180 INFO L268 CegarLoopResult]: For program point L162(lines 162 608) no Hoare annotation was computed. [2020-10-13 05:30:44,180 INFO L268 CegarLoopResult]: For program point L129(lines 129 619) no Hoare annotation was computed. [2020-10-13 05:30:44,180 INFO L268 CegarLoopResult]: For program point L526(lines 526 530) no Hoare annotation was computed. [2020-10-13 05:30:44,180 INFO L268 CegarLoopResult]: For program point L460(lines 460 471) no Hoare annotation was computed. [2020-10-13 05:30:44,180 INFO L268 CegarLoopResult]: For program point L526-2(lines 209 590) no Hoare annotation was computed. [2020-10-13 05:30:44,181 INFO L264 CegarLoopResult]: At program point L394(lines 385 416) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8672))) (or (not (<= 8464 |ssl3_accept_#in~initial_state|)) (not (<= |ssl3_accept_#in~initial_state| 8464)) (and .cse0 (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~blastFlag~0 3)) (and .cse0 (<= ssl3_accept_~blastFlag~0 2)))) [2020-10-13 05:30:44,181 INFO L268 CegarLoopResult]: For program point L229(lines 229 240) no Hoare annotation was computed. [2020-10-13 05:30:44,181 INFO L264 CegarLoopResult]: At program point L196(lines 192 598) the Hoare annotation is: (let ((.cse2 (<= ssl3_accept_~s__state~0 8672)) (.cse1 (<= |ssl3_accept_#in~initial_state| 8464)) (.cse0 (<= 8464 |ssl3_accept_#in~initial_state|)) (.cse3 (<= ssl3_accept_~blastFlag~0 3))) (or (not .cse0) (not .cse1) (and .cse2 .cse1 (<= ssl3_accept_~blastFlag~0 2) .cse0 .cse3) (and .cse2 .cse1 (not (= ssl3_accept_~s__hit~0 0)) .cse0 .cse3))) [2020-10-13 05:30:44,181 INFO L264 CegarLoopResult]: At program point L163(lines 159 609) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8672))) (or (not (<= 8464 |ssl3_accept_#in~initial_state|)) (not (<= |ssl3_accept_#in~initial_state| 8464)) (and .cse0 (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~blastFlag~0 3)) (and .cse0 (<= ssl3_accept_~blastFlag~0 2)))) [2020-10-13 05:30:44,181 INFO L268 CegarLoopResult]: For program point L229-2(lines 229 240) no Hoare annotation was computed. [2020-10-13 05:30:44,181 INFO L268 CegarLoopResult]: For program point L362(lines 362 366) no Hoare annotation was computed. [2020-10-13 05:30:44,182 INFO L268 CegarLoopResult]: For program point ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION(line 671) no Hoare annotation was computed. [2020-10-13 05:30:44,182 INFO L271 CegarLoopResult]: At program point L660(lines 98 661) the Hoare annotation is: true [2020-10-13 05:30:44,182 INFO L268 CegarLoopResult]: For program point L396(lines 396 402) no Hoare annotation was computed. [2020-10-13 05:30:44,182 INFO L268 CegarLoopResult]: For program point L231(lines 231 236) no Hoare annotation was computed. [2020-10-13 05:30:44,182 INFO L268 CegarLoopResult]: For program point L198(lines 198 596) no Hoare annotation was computed. [2020-10-13 05:30:44,182 INFO L268 CegarLoopResult]: For program point L165(lines 165 607) no Hoare annotation was computed. [2020-10-13 05:30:44,182 INFO L268 CegarLoopResult]: For program point L132(lines 132 618) no Hoare annotation was computed. [2020-10-13 05:30:44,183 INFO L264 CegarLoopResult]: At program point L99-2(lines 99 659) the Hoare annotation is: (let ((.cse4 (<= 8576 ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse5 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse6 (= ssl3_accept_~s__state~0 8640)) (.cse7 (= ssl3_accept_~s__state~0 8608)) (.cse8 (= ssl3_accept_~s__state~0 8592)) (.cse0 (not (= ssl3_accept_~s__hit~0 0))) (.cse3 (= 8448 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~blastFlag~0 3)) (.cse2 (<= ssl3_accept_~blastFlag~0 2))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse2) (not (<= |ssl3_accept_#in~initial_state| 8464)) (and (<= ssl3_accept_~s__state~0 8576) .cse2 (< 8575 ssl3_accept_~s__state~0) .cse4 .cse5) (and .cse2 (= ssl3_accept_~s__state~0 8656)) (and .cse0 .cse7) (and .cse6 .cse0) (and .cse8 .cse2) (and .cse2 (= 8466 ssl3_accept_~s__state~0)) (and .cse2 (= ssl3_accept_~s__state~0 8544)) (and .cse7 .cse2) (and (<= ssl3_accept_~s__state~0 8672) .cse1 (<= 8672 ssl3_accept_~s__state~0)) (and .cse8 .cse0) (not (<= 8464 |ssl3_accept_#in~initial_state|)) (and .cse2 (= 8496 ssl3_accept_~s__state~0)) (and (= 8560 ssl3_accept_~s__state~0) .cse2) (<= ssl3_accept_~s__state~0 3) (and .cse3 .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 3)) (and .cse2 (<= ssl3_accept_~s__state~0 8464) (< 8463 ssl3_accept_~s__state~0)) (and (= ssl3_accept_~s__state~0 8512) .cse2) (and (= ssl3_accept_~s__state~0 8528) .cse2))) [2020-10-13 05:30:44,183 INFO L264 CegarLoopResult]: At program point L166(lines 165 607) the Hoare annotation is: (let ((.cse0 (= 8448 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~blastFlag~0 3))) (or (not (<= 8464 |ssl3_accept_#in~initial_state|)) (and (<= ssl3_accept_~blastFlag~0 2) .cse0 (<= 8576 ssl3_accept_~s__s3__tmp__next_state___0~0) (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (not (<= |ssl3_accept_#in~initial_state| 8464)) (and (not (= ssl3_accept_~s__hit~0 0)) .cse0 .cse1) (and .cse0 .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 3)))) [2020-10-13 05:30:44,183 INFO L264 CegarLoopResult]: At program point L133(lines 126 620) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8672))) (or (not (<= 8464 |ssl3_accept_#in~initial_state|)) (not (<= |ssl3_accept_#in~initial_state| 8464)) (and .cse0 (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~blastFlag~0 3)) (and .cse0 (<= ssl3_accept_~blastFlag~0 2)))) [2020-10-13 05:30:44,183 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-13 05:30:44,183 INFO L268 CegarLoopResult]: For program point L629(lines 629 657) no Hoare annotation was computed. [2020-10-13 05:30:44,184 INFO L268 CegarLoopResult]: For program point L464(lines 464 468) no Hoare annotation was computed. [2020-10-13 05:30:44,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 05:30:44 BoogieIcfgContainer [2020-10-13 05:30:44,215 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 05:30:44,217 INFO L168 Benchmark]: Toolchain (without parser) took 22208.49 ms. Allocated memory was 140.0 MB in the beginning and 745.0 MB in the end (delta: 605.0 MB). Free memory was 102.3 MB in the beginning and 511.1 MB in the end (delta: -408.8 MB). Peak memory consumption was 624.9 MB. Max. memory is 7.1 GB. [2020-10-13 05:30:44,218 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.1 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. [2020-10-13 05:30:44,219 INFO L168 Benchmark]: CACSL2BoogieTranslator took 494.72 ms. Allocated memory was 140.0 MB in the beginning and 203.9 MB in the end (delta: 64.0 MB). Free memory was 102.3 MB in the beginning and 178.7 MB in the end (delta: -76.4 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. [2020-10-13 05:30:44,219 INFO L168 Benchmark]: Boogie Preprocessor took 63.78 ms. Allocated memory is still 203.9 MB. Free memory was 178.7 MB in the beginning and 176.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-13 05:30:44,220 INFO L168 Benchmark]: RCFGBuilder took 825.05 ms. Allocated memory is still 203.9 MB. Free memory was 176.7 MB in the beginning and 126.1 MB in the end (delta: 50.7 MB). Peak memory consumption was 50.7 MB. Max. memory is 7.1 GB. [2020-10-13 05:30:44,221 INFO L168 Benchmark]: TraceAbstraction took 20819.02 ms. Allocated memory was 203.9 MB in the beginning and 745.0 MB in the end (delta: 541.1 MB). Free memory was 126.1 MB in the beginning and 511.1 MB in the end (delta: -385.0 MB). Peak memory consumption was 584.7 MB. Max. memory is 7.1 GB. [2020-10-13 05:30:44,224 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.1 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 494.72 ms. Allocated memory was 140.0 MB in the beginning and 203.9 MB in the end (delta: 64.0 MB). Free memory was 102.3 MB in the beginning and 178.7 MB in the end (delta: -76.4 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 63.78 ms. Allocated memory is still 203.9 MB. Free memory was 178.7 MB in the beginning and 176.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 825.05 ms. Allocated memory is still 203.9 MB. Free memory was 176.7 MB in the beginning and 126.1 MB in the end (delta: 50.7 MB). Peak memory consumption was 50.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 20819.02 ms. Allocated memory was 203.9 MB in the beginning and 745.0 MB in the end (delta: 541.1 MB). Free memory was 126.1 MB in the beginning and 511.1 MB in the end (delta: -385.0 MB). Peak memory consumption was 584.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 671]: 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: 147]: Loop Invariant Derived loop invariant: ((!(8464 <= \old(initial_state)) || !(\old(initial_state) <= 8464)) || ((((s__state <= 8672 && \old(initial_state) <= 8464) && blastFlag <= 2) && 8464 <= \old(initial_state)) && blastFlag <= 3)) || ((((s__state <= 8672 && \old(initial_state) <= 8464) && !(s__hit == 0)) && 8464 <= \old(initial_state)) && blastFlag <= 3) - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: ((!(8464 <= \old(initial_state)) || !(\old(initial_state) <= 8464)) || (s__state <= 8672 && !(s__hit == 0))) || (s__state <= 8672 && blastFlag <= 2) - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: ((!(8464 <= \old(initial_state)) || !(\old(initial_state) <= 8464)) || ((s__state <= 8672 && !(s__hit == 0)) && blastFlag <= 3)) || (s__state <= 8672 && blastFlag <= 2) - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: (((!(8464 <= \old(initial_state)) || (((blastFlag <= 2 && 8448 == s__state) && 8576 <= s__s3__tmp__next_state___0) && s__s3__tmp__next_state___0 <= 8576)) || !(\old(initial_state) <= 8464)) || ((!(s__hit == 0) && 8448 == s__state) && blastFlag <= 3)) || ((8448 == s__state && blastFlag <= 3) && s__s3__tmp__next_state___0 <= 3) - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: (!(8464 <= \old(initial_state)) || !(\old(initial_state) <= 8464)) || s__state <= 8672 - InvariantResult [Line: 153]: Loop Invariant Derived loop invariant: ((!(8464 <= \old(initial_state)) || !(\old(initial_state) <= 8464)) || ((s__state <= 8672 && !(s__hit == 0)) && blastFlag <= 3)) || (s__state <= 8672 && blastFlag <= 2) - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: ((!(8464 <= \old(initial_state)) || !(\old(initial_state) <= 8464)) || ((((s__state <= 8672 && \old(initial_state) <= 8464) && blastFlag <= 2) && 8464 <= \old(initial_state)) && blastFlag <= 3)) || ((((s__state <= 8672 && \old(initial_state) <= 8464) && !(s__hit == 0)) && 8464 <= \old(initial_state)) && blastFlag <= 3) - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: ((!(8464 <= \old(initial_state)) || !(\old(initial_state) <= 8464)) || (s__state <= 8672 && !(s__hit == 0))) || (s__state <= 8672 && blastFlag <= 2) - InvariantResult [Line: 98]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 105]: Loop Invariant Derived loop invariant: (!(8464 <= \old(initial_state)) || (!(s__hit == 0) && blastFlag <= 3)) || !(\old(initial_state) <= 8464) - InvariantResult [Line: 395]: Loop Invariant Derived loop invariant: ((!(8464 <= \old(initial_state)) || !(\old(initial_state) <= 8464)) || ((s__state <= 8672 && !(s__hit == 0)) && blastFlag <= 3)) || (s__state <= 8672 && blastFlag <= 2) - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: ((!(8464 <= \old(initial_state)) || !(\old(initial_state) <= 8464)) || ((s__state <= 8672 && !(s__hit == 0)) && blastFlag <= 3)) || (s__state <= 8672 && blastFlag <= 2) - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: (((((((((((((((((((((!(s__hit == 0) && blastFlag <= 3) || (((blastFlag <= 2 && 8448 == s__state) && 8576 <= s__s3__tmp__next_state___0) && s__s3__tmp__next_state___0 <= 8576)) || (s__state == 8640 && blastFlag <= 2)) || !(\old(initial_state) <= 8464)) || ((((s__state <= 8576 && blastFlag <= 2) && 8575 < s__state) && 8576 <= s__s3__tmp__next_state___0) && s__s3__tmp__next_state___0 <= 8576)) || (blastFlag <= 2 && s__state == 8656)) || (!(s__hit == 0) && s__state == 8608)) || (s__state == 8640 && !(s__hit == 0))) || (s__state == 8592 && blastFlag <= 2)) || (blastFlag <= 2 && 8466 == s__state)) || (blastFlag <= 2 && s__state == 8544)) || (s__state == 8608 && blastFlag <= 2)) || ((s__state <= 8672 && blastFlag <= 3) && 8672 <= s__state)) || (s__state == 8592 && !(s__hit == 0))) || !(8464 <= \old(initial_state))) || (blastFlag <= 2 && 8496 == s__state)) || (8560 == s__state && blastFlag <= 2)) || s__state <= 3) || ((8448 == s__state && blastFlag <= 3) && s__s3__tmp__next_state___0 <= 3)) || ((blastFlag <= 2 && s__state <= 8464) && 8463 < s__state)) || (s__state == 8512 && blastFlag <= 2)) || (s__state == 8528 && blastFlag <= 2) - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: ((!(8464 <= \old(initial_state)) || !(\old(initial_state) <= 8464)) || ((s__state <= 8672 && !(s__hit == 0)) && blastFlag <= 3)) || (s__state <= 8672 && blastFlag <= 2) - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: ((!(8464 <= \old(initial_state)) || !(\old(initial_state) <= 8464)) || ((s__state <= 8672 && !(s__hit == 0)) && blastFlag <= 3)) || (s__state <= 8672 && blastFlag <= 2) - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: (!(8464 <= \old(initial_state)) || !(\old(initial_state) <= 8464)) || ((s__state <= 8672 && !(s__hit == 0)) && blastFlag <= 3) - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: ((!(8464 <= \old(initial_state)) || !(\old(initial_state) <= 8464)) || ((((s__state <= 8672 && \old(initial_state) <= 8464) && blastFlag <= 2) && 8464 <= \old(initial_state)) && blastFlag <= 3)) || ((((s__state <= 8672 && \old(initial_state) <= 8464) && !(s__hit == 0)) && 8464 <= \old(initial_state)) && blastFlag <= 3) - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: ((((((((((((((((((((!(s__hit == 0) && blastFlag <= 3) || (((blastFlag <= 2 && 8448 == s__state) && 8576 <= s__s3__tmp__next_state___0) && s__s3__tmp__next_state___0 <= 8576)) || (s__state == 8640 && blastFlag <= 2)) || !(\old(initial_state) <= 8464)) || ((((s__state <= 8576 && blastFlag <= 2) && 8575 < s__state) && 8576 <= s__s3__tmp__next_state___0) && s__s3__tmp__next_state___0 <= 8576)) || (blastFlag <= 2 && s__state == 8656)) || (!(s__hit == 0) && s__state == 8608)) || (s__state == 8640 && !(s__hit == 0))) || (s__state == 8592 && blastFlag <= 2)) || (blastFlag <= 2 && 8466 == s__state)) || (blastFlag <= 2 && s__state == 8544)) || (s__state == 8608 && blastFlag <= 2)) || ((s__state <= 8672 && blastFlag <= 3) && 8672 <= s__state)) || (s__state == 8592 && !(s__hit == 0))) || !(8464 <= \old(initial_state))) || (blastFlag <= 2 && 8496 == s__state)) || (8560 == s__state && blastFlag <= 2)) || s__state <= 3) || ((8448 == s__state && blastFlag <= 3) && s__s3__tmp__next_state___0 <= 3)) || (s__state == 8512 && blastFlag <= 2)) || (s__state == 8528 && blastFlag <= 2) - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: ((!(8464 <= \old(initial_state)) || !(\old(initial_state) <= 8464)) || ((s__state <= 8672 && !(s__hit == 0)) && blastFlag <= 3)) || (s__state <= 8672 && blastFlag <= 2) - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: (!(8464 <= \old(initial_state)) || !(\old(initial_state) <= 8464)) || ((!(s__hit == 0) && blastFlag <= 3) && 8672 <= s__state) - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: ((!(8464 <= \old(initial_state)) || !(\old(initial_state) <= 8464)) || (s__state <= 8672 && !(s__hit == 0))) || (s__state <= 8672 && blastFlag <= 2) - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: !(8464 <= \old(initial_state)) || !(\old(initial_state) <= 8464) - InvariantResult [Line: 385]: Loop Invariant Derived loop invariant: ((!(8464 <= \old(initial_state)) || !(\old(initial_state) <= 8464)) || ((s__state <= 8672 && !(s__hit == 0)) && blastFlag <= 3)) || (s__state <= 8672 && blastFlag <= 2) - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: (!(8464 <= \old(initial_state)) || !(\old(initial_state) <= 8464)) || (blastFlag <= 3 && 8672 <= s__state) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 148 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.5s, OverallIterations: 20, TraceHistogramMax: 16, AutomataDifference: 4.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4307 SDtfs, 1239 SDslu, 2950 SDs, 0 SdLazy, 2141 SolverSat, 423 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 109 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2755occurred in iteration=18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 20 MinimizatonAttempts, 1138 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 33 PreInvPairs, 168 NumberOfFragments, 903 HoareAnnotationTreeSize, 33 FomulaSimplifications, 3447 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 33 FomulaSimplificationsInter, 1047 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 11.1s InterpolantComputationTime, 4453 NumberOfCodeBlocks, 4453 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 4433 ConstructedInterpolants, 0 QuantifiedInterpolants, 1842518 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 18 PerfectInterpolantSequences, 12658/12710 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...