/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/bitvector/s3_srvr_2a_alt.BV.c.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 00:13:17,519 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 00:13:17,523 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 00:13:17,564 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 00:13:17,565 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 00:13:17,572 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 00:13:17,574 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 00:13:17,578 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 00:13:17,580 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 00:13:17,584 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 00:13:17,585 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 00:13:17,586 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 00:13:17,586 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 00:13:17,589 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 00:13:17,591 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 00:13:17,592 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 00:13:17,594 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 00:13:17,595 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 00:13:17,596 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 00:13:17,605 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 00:13:17,607 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 00:13:17,608 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 00:13:17,609 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 00:13:17,609 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 00:13:17,618 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 00:13:17,619 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 00:13:17,619 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 00:13:17,620 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 00:13:17,620 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 00:13:17,626 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 00:13:17,626 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 00:13:17,627 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 00:13:17,627 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 00:13:17,628 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 00:13:17,629 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 00:13:17,629 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 00:13:17,629 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 00:13:17,630 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 00:13:17,630 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 00:13:17,631 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 00:13:17,631 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 00:13:17,632 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-14 00:13:17,655 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 00:13:17,655 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 00:13:17,656 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 00:13:17,656 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 00:13:17,656 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 00:13:17,657 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 00:13:17,657 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 00:13:17,657 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 00:13:17,657 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 00:13:17,657 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 00:13:17,658 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 00:13:17,658 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 00:13:17,658 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 00:13:17,658 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 00:13:17,658 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 00:13:17,658 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 00:13:17,659 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 00:13:17,659 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 00:13:17,659 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 00:13:17,659 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 00:13:17,659 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 00:13:17,660 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 00:13:17,660 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 00:13:17,660 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 00:13:17,660 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 00:13:17,660 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 00:13:17,661 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 00:13:17,661 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 00:13:17,661 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 00:13:17,661 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 00:13:17,956 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 00:13:17,970 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 00:13:17,978 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 00:13:17,984 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 00:13:17,985 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 00:13:17,986 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector/s3_srvr_2a_alt.BV.c.cil.c [2020-10-14 00:13:18,051 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/72dc17377/756a691750c7477eb86eeaebadd06de6/FLAGa043123d3 [2020-10-14 00:13:18,523 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 00:13:18,525 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/bitvector/s3_srvr_2a_alt.BV.c.cil.c [2020-10-14 00:13:18,537 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/72dc17377/756a691750c7477eb86eeaebadd06de6/FLAGa043123d3 [2020-10-14 00:13:18,810 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/72dc17377/756a691750c7477eb86eeaebadd06de6 [2020-10-14 00:13:18,820 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 00:13:18,821 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 00:13:18,822 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 00:13:18,822 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 00:13:18,827 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 00:13:18,828 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:13:18" (1/1) ... [2020-10-14 00:13:18,831 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61c04ad1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:13:18, skipping insertion in model container [2020-10-14 00:13:18,831 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:13:18" (1/1) ... [2020-10-14 00:13:18,839 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 00:13:18,877 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 00:13:19,232 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 00:13:19,244 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 00:13:19,410 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 00:13:19,427 INFO L208 MainTranslator]: Completed translation [2020-10-14 00:13:19,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:13:19 WrapperNode [2020-10-14 00:13:19,431 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 00:13:19,431 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 00:13:19,431 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 00:13:19,432 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 00:13:19,442 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:13:19" (1/1) ... [2020-10-14 00:13:19,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:13:19" (1/1) ... [2020-10-14 00:13:19,452 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:13:19" (1/1) ... [2020-10-14 00:13:19,452 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:13:19" (1/1) ... [2020-10-14 00:13:19,486 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:13:19" (1/1) ... [2020-10-14 00:13:19,503 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:13:19" (1/1) ... [2020-10-14 00:13:19,506 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:13:19" (1/1) ... [2020-10-14 00:13:19,513 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 00:13:19,514 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 00:13:19,514 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 00:13:19,514 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 00:13:19,515 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:13:19" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 00:13:19,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 00:13:19,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 00:13:19,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2020-10-14 00:13:19,575 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 00:13:19,575 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 00:13:19,575 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-14 00:13:19,576 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 00:13:19,576 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-14 00:13:19,576 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2020-10-14 00:13:19,577 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 00:13:19,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 00:13:19,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 00:13:19,754 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-14 00:13:20,267 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2020-10-14 00:13:20,267 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2020-10-14 00:13:20,279 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 00:13:20,279 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 00:13:20,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:13:20 BoogieIcfgContainer [2020-10-14 00:13:20,285 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 00:13:20,287 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 00:13:20,287 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 00:13:20,290 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 00:13:20,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 12:13:18" (1/3) ... [2020-10-14 00:13:20,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9367e4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:13:20, skipping insertion in model container [2020-10-14 00:13:20,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:13:19" (2/3) ... [2020-10-14 00:13:20,292 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9367e4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:13:20, skipping insertion in model container [2020-10-14 00:13:20,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:13:20" (3/3) ... [2020-10-14 00:13:20,294 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_srvr_2a_alt.BV.c.cil.c [2020-10-14 00:13:20,306 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 00:13:20,314 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 00:13:20,329 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 00:13:20,357 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 00:13:20,357 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 00:13:20,358 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 00:13:20,358 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 00:13:20,358 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 00:13:20,359 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 00:13:20,359 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 00:13:20,359 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 00:13:20,386 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states. [2020-10-14 00:13:20,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-10-14 00:13:20,396 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:13:20,397 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:13:20,397 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:13:20,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:13:20,402 INFO L82 PathProgramCache]: Analyzing trace with hash -214397175, now seen corresponding path program 1 times [2020-10-14 00:13:20,409 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:13:20,409 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1386594178] [2020-10-14 00:13:20,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:13:20,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:20,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:20,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:21,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:21,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:21,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-14 00:13:21,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 00:13:21,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 504 [2020-10-14 00:13:21,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:21,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:21,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:13:21,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-14 00:13:21,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-14 00:13:21,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 00:13:21,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:13:21,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:21,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:21,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:21,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:13:21,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:21,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 00:13:21,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:21,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:21,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:13:21,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:13:21,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:13:21,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:21,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 00:13:21,145 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1386594178] [2020-10-14 00:13:21,147 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:13:21,147 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:13:21,148 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641916757] [2020-10-14 00:13:21,154 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 00:13:21,154 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:13:21,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 00:13:21,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:21,171 INFO L87 Difference]: Start difference. First operand 146 states. Second operand 3 states. [2020-10-14 00:13:21,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:13:21,268 INFO L93 Difference]: Finished difference Result 393 states and 669 transitions. [2020-10-14 00:13:21,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 00:13:21,270 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 49 [2020-10-14 00:13:21,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:13:21,284 INFO L225 Difference]: With dead ends: 393 [2020-10-14 00:13:21,285 INFO L226 Difference]: Without dead ends: 223 [2020-10-14 00:13:21,289 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:21,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2020-10-14 00:13:21,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2020-10-14 00:13:21,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2020-10-14 00:13:21,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 336 transitions. [2020-10-14 00:13:21,358 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 336 transitions. Word has length 49 [2020-10-14 00:13:21,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:13:21,359 INFO L479 AbstractCegarLoop]: Abstraction has 223 states and 336 transitions. [2020-10-14 00:13:21,359 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 00:13:21,360 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 336 transitions. [2020-10-14 00:13:21,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-10-14 00:13:21,363 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:13:21,364 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:13:21,364 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 00:13:21,364 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:13:21,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:13:21,365 INFO L82 PathProgramCache]: Analyzing trace with hash -83111160, now seen corresponding path program 1 times [2020-10-14 00:13:21,365 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:13:21,365 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [946908260] [2020-10-14 00:13:21,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:13:21,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:21,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:21,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:21,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 00:13:21,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:21,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-14 00:13:21,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:21,498 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:21,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:13:21,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-14 00:13:21,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-14 00:13:21,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:21,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:13:21,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:21,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:21,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:21,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:13:21,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:21,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 00:13:21,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:21,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:21,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:13:21,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:13:21,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:13:21,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:21,547 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 00:13:21,548 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [946908260] [2020-10-14 00:13:21,548 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:13:21,548 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:13:21,548 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510792920] [2020-10-14 00:13:21,550 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 00:13:21,551 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:13:21,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 00:13:21,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:21,551 INFO L87 Difference]: Start difference. First operand 223 states and 336 transitions. Second operand 3 states. [2020-10-14 00:13:21,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:13:21,607 INFO L93 Difference]: Finished difference Result 433 states and 659 transitions. [2020-10-14 00:13:21,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 00:13:21,607 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-10-14 00:13:21,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:13:21,611 INFO L225 Difference]: With dead ends: 433 [2020-10-14 00:13:21,611 INFO L226 Difference]: Without dead ends: 327 [2020-10-14 00:13:21,613 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:21,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2020-10-14 00:13:21,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 327. [2020-10-14 00:13:21,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 327 states. [2020-10-14 00:13:21,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 494 transitions. [2020-10-14 00:13:21,658 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 494 transitions. Word has length 65 [2020-10-14 00:13:21,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:13:21,659 INFO L479 AbstractCegarLoop]: Abstraction has 327 states and 494 transitions. [2020-10-14 00:13:21,659 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 00:13:21,659 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 494 transitions. [2020-10-14 00:13:21,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-10-14 00:13:21,670 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:13:21,670 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:13:21,671 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 00:13:21,671 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:13:21,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:13:21,671 INFO L82 PathProgramCache]: Analyzing trace with hash 336937436, now seen corresponding path program 1 times [2020-10-14 00:13:21,672 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:13:21,672 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1630459581] [2020-10-14 00:13:21,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:13:21,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:21,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:21,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:21,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:22,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:22,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-10-14 00:13:22,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 00:13:22,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 331 [2020-10-14 00:13:22,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:22,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:22,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:13:22,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-10-14 00:13:22,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-14 00:13:22,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:22,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:13:22,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:22,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:22,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:22,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:13:22,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:22,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 00:13:22,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:22,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:22,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:13:22,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:13:22,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:13:22,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:22,108 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-14 00:13:22,108 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1630459581] [2020-10-14 00:13:22,109 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:13:22,109 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:13:22,109 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700786591] [2020-10-14 00:13:22,110 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 00:13:22,110 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:13:22,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 00:13:22,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:22,111 INFO L87 Difference]: Start difference. First operand 327 states and 494 transitions. Second operand 3 states. [2020-10-14 00:13:22,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:13:22,158 INFO L93 Difference]: Finished difference Result 641 states and 975 transitions. [2020-10-14 00:13:22,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 00:13:22,159 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 86 [2020-10-14 00:13:22,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:13:22,162 INFO L225 Difference]: With dead ends: 641 [2020-10-14 00:13:22,162 INFO L226 Difference]: Without dead ends: 431 [2020-10-14 00:13:22,164 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:22,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2020-10-14 00:13:22,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 431. [2020-10-14 00:13:22,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 431 states. [2020-10-14 00:13:22,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 653 transitions. [2020-10-14 00:13:22,184 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 653 transitions. Word has length 86 [2020-10-14 00:13:22,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:13:22,185 INFO L479 AbstractCegarLoop]: Abstraction has 431 states and 653 transitions. [2020-10-14 00:13:22,185 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 00:13:22,185 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 653 transitions. [2020-10-14 00:13:22,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-14 00:13:22,187 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:13:22,187 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:13:22,188 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 00:13:22,188 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:13:22,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:13:22,188 INFO L82 PathProgramCache]: Analyzing trace with hash -1785636715, now seen corresponding path program 1 times [2020-10-14 00:13:22,188 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:13:22,189 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1880133187] [2020-10-14 00:13:22,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:13:22,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:22,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:22,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:22,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 00:13:22,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:22,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-14 00:13:22,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:22,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:22,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:13:22,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 91 [2020-10-14 00:13:22,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-14 00:13:22,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:22,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:13:22,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:22,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:22,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:22,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:13:22,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:22,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 00:13:22,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:22,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:22,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:13:22,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:13:22,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:13:22,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:22,405 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-10-14 00:13:22,407 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1880133187] [2020-10-14 00:13:22,407 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:13:22,408 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:13:22,408 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036291837] [2020-10-14 00:13:22,409 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 00:13:22,410 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:13:22,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 00:13:22,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:22,419 INFO L87 Difference]: Start difference. First operand 431 states and 653 transitions. Second operand 3 states. [2020-10-14 00:13:22,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:13:22,480 INFO L93 Difference]: Finished difference Result 537 states and 815 transitions. [2020-10-14 00:13:22,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 00:13:22,481 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2020-10-14 00:13:22,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:13:22,485 INFO L225 Difference]: With dead ends: 537 [2020-10-14 00:13:22,485 INFO L226 Difference]: Without dead ends: 535 [2020-10-14 00:13:22,486 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:22,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2020-10-14 00:13:22,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 535. [2020-10-14 00:13:22,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 535 states. [2020-10-14 00:13:22,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 813 transitions. [2020-10-14 00:13:22,509 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 813 transitions. Word has length 126 [2020-10-14 00:13:22,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:13:22,511 INFO L479 AbstractCegarLoop]: Abstraction has 535 states and 813 transitions. [2020-10-14 00:13:22,511 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 00:13:22,511 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 813 transitions. [2020-10-14 00:13:22,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-14 00:13:22,519 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:13:22,520 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:13:22,520 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 00:13:22,520 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:13:22,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:13:22,521 INFO L82 PathProgramCache]: Analyzing trace with hash -554646490, now seen corresponding path program 1 times [2020-10-14 00:13:22,521 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:13:22,521 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [228916566] [2020-10-14 00:13:22,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:13:22,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:22,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:22,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:22,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:22,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:22,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-10-14 00:13:22,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 00:13:22,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 315 [2020-10-14 00:13:22,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:22,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:22,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:13:22,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 114 [2020-10-14 00:13:22,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-14 00:13:22,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:22,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:13:22,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:22,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:22,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:22,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:13:22,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:22,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 00:13:22,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:22,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:22,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:13:22,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:13:22,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:13:22,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:22,961 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2020-10-14 00:13:22,961 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [228916566] [2020-10-14 00:13:22,961 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:13:22,962 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:13:22,962 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847581211] [2020-10-14 00:13:22,963 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 00:13:22,963 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:13:22,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 00:13:22,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:22,964 INFO L87 Difference]: Start difference. First operand 535 states and 813 transitions. Second operand 3 states. [2020-10-14 00:13:23,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:13:23,191 INFO L93 Difference]: Finished difference Result 1292 states and 2012 transitions. [2020-10-14 00:13:23,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 00:13:23,192 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2020-10-14 00:13:23,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:13:23,197 INFO L225 Difference]: With dead ends: 1292 [2020-10-14 00:13:23,197 INFO L226 Difference]: Without dead ends: 755 [2020-10-14 00:13:23,199 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:23,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 755 states. [2020-10-14 00:13:23,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 755 to 735. [2020-10-14 00:13:23,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 735 states. [2020-10-14 00:13:23,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 1163 transitions. [2020-10-14 00:13:23,223 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 1163 transitions. Word has length 148 [2020-10-14 00:13:23,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:13:23,223 INFO L479 AbstractCegarLoop]: Abstraction has 735 states and 1163 transitions. [2020-10-14 00:13:23,223 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 00:13:23,223 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 1163 transitions. [2020-10-14 00:13:23,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-10-14 00:13:23,226 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:13:23,227 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:13:23,227 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 00:13:23,227 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:13:23,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:13:23,228 INFO L82 PathProgramCache]: Analyzing trace with hash -742221725, now seen corresponding path program 1 times [2020-10-14 00:13:23,228 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:13:23,228 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [38992229] [2020-10-14 00:13:23,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:13:23,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:23,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:23,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:23,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:23,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:24,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:24,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 172 [2020-10-14 00:13:24,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 00:13:24,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1025 [2020-10-14 00:13:24,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:24,280 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:24,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:13:24,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-14 00:13:24,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 00:13:24,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:24,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:13:24,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:24,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:24,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:24,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:13:24,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:24,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 00:13:24,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:24,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:24,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:13:24,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:13:24,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:13:24,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:24,351 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2020-10-14 00:13:24,351 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [38992229] [2020-10-14 00:13:24,352 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:13:24,352 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:13:24,352 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505748040] [2020-10-14 00:13:24,354 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 00:13:24,354 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:13:24,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 00:13:24,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:24,355 INFO L87 Difference]: Start difference. First operand 735 states and 1163 transitions. Second operand 3 states. [2020-10-14 00:13:24,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:13:24,638 INFO L93 Difference]: Finished difference Result 1672 states and 2689 transitions. [2020-10-14 00:13:24,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 00:13:24,639 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 164 [2020-10-14 00:13:24,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:13:24,646 INFO L225 Difference]: With dead ends: 1672 [2020-10-14 00:13:24,646 INFO L226 Difference]: Without dead ends: 950 [2020-10-14 00:13:24,648 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:24,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 950 states. [2020-10-14 00:13:24,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 950 to 940. [2020-10-14 00:13:24,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 940 states. [2020-10-14 00:13:24,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 940 states to 940 states and 1393 transitions. [2020-10-14 00:13:24,679 INFO L78 Accepts]: Start accepts. Automaton has 940 states and 1393 transitions. Word has length 164 [2020-10-14 00:13:24,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:13:24,680 INFO L479 AbstractCegarLoop]: Abstraction has 940 states and 1393 transitions. [2020-10-14 00:13:24,680 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 00:13:24,680 INFO L276 IsEmpty]: Start isEmpty. Operand 940 states and 1393 transitions. [2020-10-14 00:13:24,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-10-14 00:13:24,685 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:13:24,685 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:13:24,685 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 00:13:24,686 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:13:24,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:13:24,686 INFO L82 PathProgramCache]: Analyzing trace with hash 1039586221, now seen corresponding path program 1 times [2020-10-14 00:13:24,686 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:13:24,686 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [386449454] [2020-10-14 00:13:24,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:13:24,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:24,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:24,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:24,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:24,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:25,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:25,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:26,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:26,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 214 [2020-10-14 00:13:26,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 00:13:26,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1761 [2020-10-14 00:13:26,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:26,490 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:26,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:13:26,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-14 00:13:26,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-14 00:13:26,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:26,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:13:26,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:26,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:26,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:26,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:13:26,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:26,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 00:13:26,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:26,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:26,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:13:26,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:13:26,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:13:26,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:26,586 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2020-10-14 00:13:26,587 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [386449454] [2020-10-14 00:13:26,587 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:13:26,587 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:13:26,589 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102290865] [2020-10-14 00:13:26,589 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 00:13:26,590 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:13:26,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 00:13:26,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:26,590 INFO L87 Difference]: Start difference. First operand 940 states and 1393 transitions. Second operand 3 states. [2020-10-14 00:13:26,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:13:26,663 INFO L93 Difference]: Finished difference Result 2794 states and 4145 transitions. [2020-10-14 00:13:26,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 00:13:26,663 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 206 [2020-10-14 00:13:26,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:13:26,673 INFO L225 Difference]: With dead ends: 2794 [2020-10-14 00:13:26,673 INFO L226 Difference]: Without dead ends: 1867 [2020-10-14 00:13:26,676 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 [2020-10-14 00:13:26,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1867 states. [2020-10-14 00:13:26,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1867 to 1865. [2020-10-14 00:13:26,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1865 states. [2020-10-14 00:13:26,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1865 states to 1865 states and 2753 transitions. [2020-10-14 00:13:26,744 INFO L78 Accepts]: Start accepts. Automaton has 1865 states and 2753 transitions. Word has length 206 [2020-10-14 00:13:26,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:13:26,744 INFO L479 AbstractCegarLoop]: Abstraction has 1865 states and 2753 transitions. [2020-10-14 00:13:26,744 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 00:13:26,744 INFO L276 IsEmpty]: Start isEmpty. Operand 1865 states and 2753 transitions. [2020-10-14 00:13:26,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-10-14 00:13:26,751 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:13:26,751 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:13:26,751 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 00:13:26,751 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:13:26,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:13:26,752 INFO L82 PathProgramCache]: Analyzing trace with hash -2112878609, now seen corresponding path program 1 times [2020-10-14 00:13:26,752 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:13:26,752 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [281084194] [2020-10-14 00:13:26,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:13:26,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:26,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:26,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:26,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:27,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:27,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:27,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 214 [2020-10-14 00:13:27,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 00:13:27,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 935 [2020-10-14 00:13:27,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:27,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:27,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:13:27,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 133 [2020-10-14 00:13:27,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-14 00:13:27,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:27,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:13:27,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:27,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:27,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:27,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:13:27,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:27,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 00:13:27,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:27,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:27,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:13:27,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:13:27,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:13:27,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:27,787 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 247 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2020-10-14 00:13:27,788 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [281084194] [2020-10-14 00:13:27,788 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:13:27,788 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:13:27,788 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050655660] [2020-10-14 00:13:27,789 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 00:13:27,789 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:13:27,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 00:13:27,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:27,790 INFO L87 Difference]: Start difference. First operand 1865 states and 2753 transitions. Second operand 3 states. [2020-10-14 00:13:28,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:13:28,028 INFO L93 Difference]: Finished difference Result 4117 states and 6189 transitions. [2020-10-14 00:13:28,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 00:13:28,029 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 206 [2020-10-14 00:13:28,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:13:28,040 INFO L225 Difference]: With dead ends: 4117 [2020-10-14 00:13:28,041 INFO L226 Difference]: Without dead ends: 2175 [2020-10-14 00:13:28,047 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:28,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2175 states. [2020-10-14 00:13:28,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2175 to 2175. [2020-10-14 00:13:28,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2175 states. [2020-10-14 00:13:28,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2175 states to 2175 states and 3113 transitions. [2020-10-14 00:13:28,128 INFO L78 Accepts]: Start accepts. Automaton has 2175 states and 3113 transitions. Word has length 206 [2020-10-14 00:13:28,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:13:28,128 INFO L479 AbstractCegarLoop]: Abstraction has 2175 states and 3113 transitions. [2020-10-14 00:13:28,128 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 00:13:28,129 INFO L276 IsEmpty]: Start isEmpty. Operand 2175 states and 3113 transitions. [2020-10-14 00:13:28,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-10-14 00:13:28,138 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:13:28,138 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:13:28,138 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 00:13:28,138 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:13:28,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:13:28,139 INFO L82 PathProgramCache]: Analyzing trace with hash 68066186, now seen corresponding path program 1 times [2020-10-14 00:13:28,139 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:13:28,140 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1243873758] [2020-10-14 00:13:28,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:13:28,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:28,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:28,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:28,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:28,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:29,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:29,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 242 [2020-10-14 00:13:29,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 00:13:29,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1313 [2020-10-14 00:13:29,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:29,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:29,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:13:29,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 184 [2020-10-14 00:13:29,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 00:13:29,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:29,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:13:29,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:29,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:29,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:29,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:13:29,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:29,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 00:13:29,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:29,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:29,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:13:29,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:13:29,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:13:29,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:29,580 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 236 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2020-10-14 00:13:29,584 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1243873758] [2020-10-14 00:13:29,585 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:13:29,585 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:13:29,585 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012814739] [2020-10-14 00:13:29,586 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 00:13:29,586 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:13:29,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 00:13:29,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:29,587 INFO L87 Difference]: Start difference. First operand 2175 states and 3113 transitions. Second operand 3 states. [2020-10-14 00:13:29,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:13:29,834 INFO L93 Difference]: Finished difference Result 4757 states and 6939 transitions. [2020-10-14 00:13:29,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 00:13:29,835 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 234 [2020-10-14 00:13:29,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:13:29,848 INFO L225 Difference]: With dead ends: 4757 [2020-10-14 00:13:29,848 INFO L226 Difference]: Without dead ends: 2595 [2020-10-14 00:13:29,853 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 [2020-10-14 00:13:29,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2595 states. [2020-10-14 00:13:29,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2595 to 2565. [2020-10-14 00:13:29,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2565 states. [2020-10-14 00:13:29,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2565 states to 2565 states and 3553 transitions. [2020-10-14 00:13:29,931 INFO L78 Accepts]: Start accepts. Automaton has 2565 states and 3553 transitions. Word has length 234 [2020-10-14 00:13:29,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:13:29,932 INFO L479 AbstractCegarLoop]: Abstraction has 2565 states and 3553 transitions. [2020-10-14 00:13:29,932 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 00:13:29,932 INFO L276 IsEmpty]: Start isEmpty. Operand 2565 states and 3553 transitions. [2020-10-14 00:13:29,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-10-14 00:13:29,939 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:13:29,939 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:13:29,940 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 00:13:29,940 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:13:29,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:13:29,940 INFO L82 PathProgramCache]: Analyzing trace with hash -1944605756, now seen corresponding path program 1 times [2020-10-14 00:13:29,940 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:13:29,941 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [527988508] [2020-10-14 00:13:29,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:13:29,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:30,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:30,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:30,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:30,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:30,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:31,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:32,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:32,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 242 [2020-10-14 00:13:32,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 00:13:32,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2229 [2020-10-14 00:13:32,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:32,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:32,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:13:32,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-14 00:13:32,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-14 00:13:32,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:32,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:13:32,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:32,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:32,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:32,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:13:32,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:32,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 00:13:32,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:32,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:32,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:13:32,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:13:32,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:13:32,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:32,297 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 292 proven. 0 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2020-10-14 00:13:32,298 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [527988508] [2020-10-14 00:13:32,298 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:13:32,298 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:13:32,299 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329968431] [2020-10-14 00:13:32,299 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 00:13:32,299 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:13:32,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 00:13:32,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:32,300 INFO L87 Difference]: Start difference. First operand 2565 states and 3553 transitions. Second operand 3 states. [2020-10-14 00:13:32,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:13:32,584 INFO L93 Difference]: Finished difference Result 5547 states and 7829 transitions. [2020-10-14 00:13:32,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 00:13:32,585 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 234 [2020-10-14 00:13:32,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:13:32,598 INFO L225 Difference]: With dead ends: 5547 [2020-10-14 00:13:32,598 INFO L226 Difference]: Without dead ends: 2905 [2020-10-14 00:13:32,605 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:32,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2905 states. [2020-10-14 00:13:32,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2905 to 2795. [2020-10-14 00:13:32,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2795 states. [2020-10-14 00:13:32,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2795 states to 2795 states and 3923 transitions. [2020-10-14 00:13:32,683 INFO L78 Accepts]: Start accepts. Automaton has 2795 states and 3923 transitions. Word has length 234 [2020-10-14 00:13:32,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:13:32,683 INFO L479 AbstractCegarLoop]: Abstraction has 2795 states and 3923 transitions. [2020-10-14 00:13:32,683 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 00:13:32,683 INFO L276 IsEmpty]: Start isEmpty. Operand 2795 states and 3923 transitions. [2020-10-14 00:13:32,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2020-10-14 00:13:32,691 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:13:32,692 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:13:32,692 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 00:13:32,692 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:13:32,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:13:32,693 INFO L82 PathProgramCache]: Analyzing trace with hash -1662072959, now seen corresponding path program 2 times [2020-10-14 00:13:32,693 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:13:32,693 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [595495838] [2020-10-14 00:13:32,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:13:32,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:32,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:32,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:32,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:32,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:33,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:34,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:34,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:35,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:36,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:37,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:37,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 258 [2020-10-14 00:13:37,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-14 00:13:37,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-14 00:13:37,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:37,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:37,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:13:37,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 200 [2020-10-14 00:13:37,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 00:13:37,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:37,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:13:37,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:37,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:37,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:37,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:13:37,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:37,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 00:13:37,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:37,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:37,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:13:37,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:13:37,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:13:37,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:13:37,796 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 265 proven. 0 refuted. 0 times theorem prover too weak. 337 trivial. 0 not checked. [2020-10-14 00:13:37,796 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [595495838] [2020-10-14 00:13:37,797 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:13:37,797 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:13:37,797 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052982112] [2020-10-14 00:13:37,798 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 00:13:37,798 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:13:37,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 00:13:37,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:37,798 INFO L87 Difference]: Start difference. First operand 2795 states and 3923 transitions. Second operand 3 states. [2020-10-14 00:13:38,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:13:38,053 INFO L93 Difference]: Finished difference Result 5752 states and 8084 transitions. [2020-10-14 00:13:38,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 00:13:38,055 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 250 [2020-10-14 00:13:38,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:13:38,071 INFO L225 Difference]: With dead ends: 5752 [2020-10-14 00:13:38,072 INFO L226 Difference]: Without dead ends: 2930 [2020-10-14 00:13:38,079 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:38,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2930 states. [2020-10-14 00:13:38,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2930 to 2910. [2020-10-14 00:13:38,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2910 states. [2020-10-14 00:13:38,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2910 states to 2910 states and 3973 transitions. [2020-10-14 00:13:38,190 INFO L78 Accepts]: Start accepts. Automaton has 2910 states and 3973 transitions. Word has length 250 [2020-10-14 00:13:38,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:13:38,191 INFO L479 AbstractCegarLoop]: Abstraction has 2910 states and 3973 transitions. [2020-10-14 00:13:38,191 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 00:13:38,191 INFO L276 IsEmpty]: Start isEmpty. Operand 2910 states and 3973 transitions. [2020-10-14 00:13:38,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2020-10-14 00:13:38,211 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:13:38,211 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:13:38,211 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 00:13:38,211 INFO L427 AbstractCegarLoop]: === Iteration 12 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:13:38,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:13:38,212 INFO L82 PathProgramCache]: Analyzing trace with hash -1331633016, now seen corresponding path program 1 times [2020-10-14 00:13:38,212 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:13:38,213 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1612050538] [2020-10-14 00:13:38,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:13:38,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:38,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:38,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:38,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 266 [2020-10-14 00:13:38,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:38,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-10-14 00:13:38,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:38,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:38,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 00:13:38,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 134 [2020-10-14 00:13:38,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-14 00:13:38,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:13:38,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:13:38,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:38,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:38,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:38,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:13:38,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:38,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 00:13:38,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:38,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:38,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:13:38,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:13:38,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:13:38,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:13:38,514 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 430 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2020-10-14 00:13:38,515 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1612050538] [2020-10-14 00:13:38,515 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:13:38,515 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-10-14 00:13:38,516 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224241568] [2020-10-14 00:13:38,516 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 00:13:38,517 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:13:38,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 00:13:38,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 00:13:38,517 INFO L87 Difference]: Start difference. First operand 2910 states and 3973 transitions. Second operand 4 states. [2020-10-14 00:13:38,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:13:38,900 INFO L93 Difference]: Finished difference Result 6884 states and 9449 transitions. [2020-10-14 00:13:38,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:13:38,901 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 258 [2020-10-14 00:13:38,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:13:38,912 INFO L225 Difference]: With dead ends: 6884 [2020-10-14 00:13:38,912 INFO L226 Difference]: Without dead ends: 2402 [2020-10-14 00:13:38,920 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:13:38,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2402 states. [2020-10-14 00:13:38,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2402 to 2306. [2020-10-14 00:13:38,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2306 states. [2020-10-14 00:13:38,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2306 states to 2306 states and 3074 transitions. [2020-10-14 00:13:38,979 INFO L78 Accepts]: Start accepts. Automaton has 2306 states and 3074 transitions. Word has length 258 [2020-10-14 00:13:38,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:13:38,980 INFO L479 AbstractCegarLoop]: Abstraction has 2306 states and 3074 transitions. [2020-10-14 00:13:38,980 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 00:13:38,980 INFO L276 IsEmpty]: Start isEmpty. Operand 2306 states and 3074 transitions. [2020-10-14 00:13:38,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2020-10-14 00:13:38,987 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:13:38,987 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:13:38,988 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 00:13:38,988 INFO L427 AbstractCegarLoop]: === Iteration 13 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:13:38,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:13:38,989 INFO L82 PathProgramCache]: Analyzing trace with hash 1477386866, now seen corresponding path program 1 times [2020-10-14 00:13:38,989 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:13:38,989 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1510008657] [2020-10-14 00:13:38,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:13:39,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:39,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:39,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:39,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:39,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:39,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:39,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:39,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 286 [2020-10-14 00:13:39,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 00:13:39,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 662 [2020-10-14 00:13:39,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:39,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:39,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:13:39,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-14 00:13:39,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 153 [2020-10-14 00:13:39,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:39,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:13:39,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:39,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:39,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:39,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:13:39,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:39,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 00:13:39,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:39,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:39,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:13:39,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:13:39,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:13:39,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:39,793 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 463 proven. 0 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2020-10-14 00:13:39,794 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1510008657] [2020-10-14 00:13:39,794 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:13:39,794 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:13:39,795 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48220305] [2020-10-14 00:13:39,795 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 00:13:39,795 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:13:39,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 00:13:39,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:39,796 INFO L87 Difference]: Start difference. First operand 2306 states and 3074 transitions. Second operand 3 states. [2020-10-14 00:13:39,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:13:39,845 INFO L93 Difference]: Finished difference Result 2856 states and 3824 transitions. [2020-10-14 00:13:39,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 00:13:39,846 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 278 [2020-10-14 00:13:39,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:13:39,857 INFO L225 Difference]: With dead ends: 2856 [2020-10-14 00:13:39,857 INFO L226 Difference]: Without dead ends: 2253 [2020-10-14 00:13:39,860 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:39,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2253 states. [2020-10-14 00:13:39,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2253 to 1705. [2020-10-14 00:13:39,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1705 states. [2020-10-14 00:13:39,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1705 states to 1705 states and 2268 transitions. [2020-10-14 00:13:39,928 INFO L78 Accepts]: Start accepts. Automaton has 1705 states and 2268 transitions. Word has length 278 [2020-10-14 00:13:39,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:13:39,929 INFO L479 AbstractCegarLoop]: Abstraction has 1705 states and 2268 transitions. [2020-10-14 00:13:39,929 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 00:13:39,929 INFO L276 IsEmpty]: Start isEmpty. Operand 1705 states and 2268 transitions. [2020-10-14 00:13:39,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2020-10-14 00:13:39,936 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:13:39,936 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:13:39,937 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 00:13:39,937 INFO L427 AbstractCegarLoop]: === Iteration 14 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:13:39,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:13:39,937 INFO L82 PathProgramCache]: Analyzing trace with hash -2034773474, now seen corresponding path program 1 times [2020-10-14 00:13:39,938 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:13:39,938 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [302195775] [2020-10-14 00:13:39,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:13:39,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:39,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:40,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:40,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:40,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:40,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:40,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:40,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 306 [2020-10-14 00:13:40,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 00:13:40,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 898 [2020-10-14 00:13:40,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:40,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:40,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:13:40,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-10-14 00:13:40,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-14 00:13:40,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:40,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:13:40,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:40,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:40,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:40,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:13:40,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:40,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 00:13:40,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:40,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:40,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:13:40,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:13:40,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:13:40,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:40,944 INFO L134 CoverageAnalysis]: Checked inductivity of 867 backedges. 485 proven. 0 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked. [2020-10-14 00:13:40,944 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [302195775] [2020-10-14 00:13:40,945 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:13:40,945 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:13:40,945 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973979816] [2020-10-14 00:13:40,946 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 00:13:40,946 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:13:40,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 00:13:40,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:40,947 INFO L87 Difference]: Start difference. First operand 1705 states and 2268 transitions. Second operand 3 states. [2020-10-14 00:13:41,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:13:41,151 INFO L93 Difference]: Finished difference Result 3657 states and 4924 transitions. [2020-10-14 00:13:41,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 00:13:41,152 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 298 [2020-10-14 00:13:41,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:13:41,162 INFO L225 Difference]: With dead ends: 3657 [2020-10-14 00:13:41,163 INFO L226 Difference]: Without dead ends: 1890 [2020-10-14 00:13:41,166 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:41,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1890 states. [2020-10-14 00:13:41,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1890 to 1830. [2020-10-14 00:13:41,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1830 states. [2020-10-14 00:13:41,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1830 states to 1830 states and 2428 transitions. [2020-10-14 00:13:41,252 INFO L78 Accepts]: Start accepts. Automaton has 1830 states and 2428 transitions. Word has length 298 [2020-10-14 00:13:41,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:13:41,253 INFO L479 AbstractCegarLoop]: Abstraction has 1830 states and 2428 transitions. [2020-10-14 00:13:41,253 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 00:13:41,253 INFO L276 IsEmpty]: Start isEmpty. Operand 1830 states and 2428 transitions. [2020-10-14 00:13:41,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2020-10-14 00:13:41,260 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:13:41,260 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 9, 9, 7, 7, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:13:41,260 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 00:13:41,260 INFO L427 AbstractCegarLoop]: === Iteration 15 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:13:41,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:13:41,261 INFO L82 PathProgramCache]: Analyzing trace with hash -1835329018, now seen corresponding path program 1 times [2020-10-14 00:13:41,261 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:13:41,261 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [804593609] [2020-10-14 00:13:41,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:13:41,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:41,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:41,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:41,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:41,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:41,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:42,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:42,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 358 [2020-10-14 00:13:42,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 00:13:42,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 975 [2020-10-14 00:13:42,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:42,273 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:42,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:13:42,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 99 [2020-10-14 00:13:42,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-14 00:13:42,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:13:42,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:13:42,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:42,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:42,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:42,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:13:42,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:42,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 00:13:42,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:42,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:42,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:13:42,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:13:42,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:13:42,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:13:42,420 INFO L134 CoverageAnalysis]: Checked inductivity of 1251 backedges. 710 proven. 0 refuted. 0 times theorem prover too weak. 541 trivial. 0 not checked. [2020-10-14 00:13:42,421 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [804593609] [2020-10-14 00:13:42,421 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:13:42,421 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:13:42,421 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953710059] [2020-10-14 00:13:42,421 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 00:13:42,422 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:13:42,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 00:13:42,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:42,422 INFO L87 Difference]: Start difference. First operand 1830 states and 2428 transitions. Second operand 3 states. [2020-10-14 00:13:42,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:13:42,615 INFO L93 Difference]: Finished difference Result 3882 states and 5204 transitions. [2020-10-14 00:13:42,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 00:13:42,615 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 350 [2020-10-14 00:13:42,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:13:42,624 INFO L225 Difference]: With dead ends: 3882 [2020-10-14 00:13:42,624 INFO L226 Difference]: Without dead ends: 2000 [2020-10-14 00:13:42,628 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:42,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2000 states. [2020-10-14 00:13:42,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2000 to 1965. [2020-10-14 00:13:42,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1965 states. [2020-10-14 00:13:42,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1965 states to 1965 states and 2608 transitions. [2020-10-14 00:13:42,674 INFO L78 Accepts]: Start accepts. Automaton has 1965 states and 2608 transitions. Word has length 350 [2020-10-14 00:13:42,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:13:42,674 INFO L479 AbstractCegarLoop]: Abstraction has 1965 states and 2608 transitions. [2020-10-14 00:13:42,674 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 00:13:42,675 INFO L276 IsEmpty]: Start isEmpty. Operand 1965 states and 2608 transitions. [2020-10-14 00:13:42,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2020-10-14 00:13:42,685 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:13:42,685 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:13:42,685 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-14 00:13:42,686 INFO L427 AbstractCegarLoop]: === Iteration 16 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:13:42,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:13:42,686 INFO L82 PathProgramCache]: Analyzing trace with hash -1625965864, now seen corresponding path program 1 times [2020-10-14 00:13:42,686 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:13:42,686 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [158101421] [2020-10-14 00:13:42,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:13:42,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:42,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:42,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:42,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:43,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:43,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:43,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:43,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:43,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:44,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:44,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 396 [2020-10-14 00:13:44,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-14 00:13:44,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2254 [2020-10-14 00:13:44,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:44,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:44,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:13:44,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-14 00:13:44,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 254 [2020-10-14 00:13:44,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:13:45,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:13:45,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:45,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:45,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:45,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:13:45,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:45,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 00:13:45,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:45,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:45,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:13:45,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:13:45,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:13:45,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:45,325 INFO L134 CoverageAnalysis]: Checked inductivity of 1702 backedges. 915 proven. 0 refuted. 0 times theorem prover too weak. 787 trivial. 0 not checked. [2020-10-14 00:13:45,326 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [158101421] [2020-10-14 00:13:45,326 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:13:45,326 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:13:45,327 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084587714] [2020-10-14 00:13:45,327 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 00:13:45,328 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:13:45,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 00:13:45,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:45,328 INFO L87 Difference]: Start difference. First operand 1965 states and 2608 transitions. Second operand 3 states. [2020-10-14 00:13:45,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:13:45,449 INFO L93 Difference]: Finished difference Result 5859 states and 7775 transitions. [2020-10-14 00:13:45,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 00:13:45,450 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 388 [2020-10-14 00:13:45,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:13:45,467 INFO L225 Difference]: With dead ends: 5859 [2020-10-14 00:13:45,467 INFO L226 Difference]: Without dead ends: 3907 [2020-10-14 00:13:45,471 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:45,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3907 states. [2020-10-14 00:13:45,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3907 to 3905. [2020-10-14 00:13:45,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3905 states. [2020-10-14 00:13:45,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3905 states to 3905 states and 5173 transitions. [2020-10-14 00:13:45,573 INFO L78 Accepts]: Start accepts. Automaton has 3905 states and 5173 transitions. Word has length 388 [2020-10-14 00:13:45,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:13:45,574 INFO L479 AbstractCegarLoop]: Abstraction has 3905 states and 5173 transitions. [2020-10-14 00:13:45,574 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 00:13:45,574 INFO L276 IsEmpty]: Start isEmpty. Operand 3905 states and 5173 transitions. [2020-10-14 00:13:45,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2020-10-14 00:13:45,586 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:13:45,587 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:13:45,587 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-14 00:13:45,587 INFO L427 AbstractCegarLoop]: === Iteration 17 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:13:45,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:13:45,588 INFO L82 PathProgramCache]: Analyzing trace with hash -1264508653, now seen corresponding path program 1 times [2020-10-14 00:13:45,588 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:13:45,588 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1182138142] [2020-10-14 00:13:45,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:13:45,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:45,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:45,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:45,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:45,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:46,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:46,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:46,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:46,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 397 [2020-10-14 00:13:46,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 00:13:46,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1126 [2020-10-14 00:13:46,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:46,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:46,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:13:46,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 122 [2020-10-14 00:13:46,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 202 [2020-10-14 00:13:46,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:46,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:13:46,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:46,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:46,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:46,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:13:46,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:46,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 00:13:46,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:46,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:46,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:13:46,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:13:46,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:13:46,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:47,050 INFO L134 CoverageAnalysis]: Checked inductivity of 1702 backedges. 1109 proven. 0 refuted. 0 times theorem prover too weak. 593 trivial. 0 not checked. [2020-10-14 00:13:47,051 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1182138142] [2020-10-14 00:13:47,051 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:13:47,051 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:13:47,051 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746433916] [2020-10-14 00:13:47,052 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 00:13:47,052 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:13:47,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 00:13:47,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:47,053 INFO L87 Difference]: Start difference. First operand 3905 states and 5173 transitions. Second operand 3 states. [2020-10-14 00:13:47,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:13:47,215 INFO L93 Difference]: Finished difference Result 11634 states and 15400 transitions. [2020-10-14 00:13:47,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 00:13:47,216 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 389 [2020-10-14 00:13:47,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:13:47,235 INFO L225 Difference]: With dead ends: 11634 [2020-10-14 00:13:47,235 INFO L226 Difference]: Without dead ends: 7742 [2020-10-14 00:13:47,244 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:47,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7742 states. [2020-10-14 00:13:47,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7742 to 7740. [2020-10-14 00:13:47,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7740 states. [2020-10-14 00:13:47,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7740 states to 7740 states and 10233 transitions. [2020-10-14 00:13:47,421 INFO L78 Accepts]: Start accepts. Automaton has 7740 states and 10233 transitions. Word has length 389 [2020-10-14 00:13:47,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:13:47,422 INFO L479 AbstractCegarLoop]: Abstraction has 7740 states and 10233 transitions. [2020-10-14 00:13:47,422 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 00:13:47,422 INFO L276 IsEmpty]: Start isEmpty. Operand 7740 states and 10233 transitions. [2020-10-14 00:13:47,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2020-10-14 00:13:47,441 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:13:47,441 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:13:47,442 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-14 00:13:47,442 INFO L427 AbstractCegarLoop]: === Iteration 18 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:13:47,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:13:47,442 INFO L82 PathProgramCache]: Analyzing trace with hash 1150207766, now seen corresponding path program 1 times [2020-10-14 00:13:47,442 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:13:47,443 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2074968513] [2020-10-14 00:13:47,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:13:47,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:47,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:47,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:47,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:47,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:48,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:48,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:48,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:48,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 399 [2020-10-14 00:13:48,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 00:13:48,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1421 [2020-10-14 00:13:48,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:48,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:48,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:13:48,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 123 [2020-10-14 00:13:48,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 204 [2020-10-14 00:13:48,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:48,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:13:48,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:48,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:48,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:48,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:13:48,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:48,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 00:13:48,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:48,946 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:48,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:13:48,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:13:48,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:13:48,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:13:49,066 INFO L134 CoverageAnalysis]: Checked inductivity of 1703 backedges. 1110 proven. 0 refuted. 0 times theorem prover too weak. 593 trivial. 0 not checked. [2020-10-14 00:13:49,067 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2074968513] [2020-10-14 00:13:49,067 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:13:49,067 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:13:49,067 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314817033] [2020-10-14 00:13:49,068 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 00:13:49,068 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:13:49,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 00:13:49,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:49,069 INFO L87 Difference]: Start difference. First operand 7740 states and 10233 transitions. Second operand 3 states. [2020-10-14 00:13:49,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:13:49,317 INFO L93 Difference]: Finished difference Result 23184 states and 30645 transitions. [2020-10-14 00:13:49,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 00:13:49,317 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 391 [2020-10-14 00:13:49,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:13:49,354 INFO L225 Difference]: With dead ends: 23184 [2020-10-14 00:13:49,354 INFO L226 Difference]: Without dead ends: 15457 [2020-10-14 00:13:49,372 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:49,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15457 states. [2020-10-14 00:13:49,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15457 to 11620. [2020-10-14 00:13:49,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11620 states. [2020-10-14 00:13:49,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11620 states to 11620 states and 15358 transitions. [2020-10-14 00:13:49,659 INFO L78 Accepts]: Start accepts. Automaton has 11620 states and 15358 transitions. Word has length 391 [2020-10-14 00:13:49,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:13:49,660 INFO L479 AbstractCegarLoop]: Abstraction has 11620 states and 15358 transitions. [2020-10-14 00:13:49,660 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 00:13:49,660 INFO L276 IsEmpty]: Start isEmpty. Operand 11620 states and 15358 transitions. [2020-10-14 00:13:49,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2020-10-14 00:13:49,686 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:13:49,686 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:13:49,686 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-14 00:13:49,687 INFO L427 AbstractCegarLoop]: === Iteration 19 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:13:49,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:13:49,687 INFO L82 PathProgramCache]: Analyzing trace with hash 1387703079, now seen corresponding path program 1 times [2020-10-14 00:13:49,687 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:13:49,688 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1718340196] [2020-10-14 00:13:49,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:13:49,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:49,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:49,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:49,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:50,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:50,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:50,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:51,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:51,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 400 [2020-10-14 00:13:51,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 00:13:51,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1432 [2020-10-14 00:13:51,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:51,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:51,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:13:51,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-14 00:13:51,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 205 [2020-10-14 00:13:51,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:13:51,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:13:51,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:51,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:51,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:51,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:13:51,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:51,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 00:13:51,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:51,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:51,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:13:51,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:13:51,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:13:51,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:13:51,557 INFO L134 CoverageAnalysis]: Checked inductivity of 1705 backedges. 1112 proven. 0 refuted. 0 times theorem prover too weak. 593 trivial. 0 not checked. [2020-10-14 00:13:51,557 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1718340196] [2020-10-14 00:13:51,557 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:13:51,558 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:13:51,558 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198482942] [2020-10-14 00:13:51,558 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 00:13:51,558 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:13:51,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 00:13:51,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:51,559 INFO L87 Difference]: Start difference. First operand 11620 states and 15358 transitions. Second operand 3 states. [2020-10-14 00:13:51,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:13:51,793 INFO L93 Difference]: Finished difference Result 21279 states and 28120 transitions. [2020-10-14 00:13:51,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 00:13:51,793 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 392 [2020-10-14 00:13:51,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:13:51,828 INFO L225 Difference]: With dead ends: 21279 [2020-10-14 00:13:51,828 INFO L226 Difference]: Without dead ends: 15477 [2020-10-14 00:13:51,842 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:51,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15477 states. [2020-10-14 00:13:52,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15477 to 15475. [2020-10-14 00:13:52,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15475 states. [2020-10-14 00:13:52,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15475 states to 15475 states and 20438 transitions. [2020-10-14 00:13:52,187 INFO L78 Accepts]: Start accepts. Automaton has 15475 states and 20438 transitions. Word has length 392 [2020-10-14 00:13:52,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:13:52,188 INFO L479 AbstractCegarLoop]: Abstraction has 15475 states and 20438 transitions. [2020-10-14 00:13:52,188 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 00:13:52,188 INFO L276 IsEmpty]: Start isEmpty. Operand 15475 states and 20438 transitions. [2020-10-14 00:13:52,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2020-10-14 00:13:52,237 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:13:52,238 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:13:52,238 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-14 00:13:52,238 INFO L427 AbstractCegarLoop]: === Iteration 20 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:13:52,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:13:52,239 INFO L82 PathProgramCache]: Analyzing trace with hash -2103880174, now seen corresponding path program 1 times [2020-10-14 00:13:52,239 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:13:52,239 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [625135024] [2020-10-14 00:13:52,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:13:52,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:52,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:52,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:52,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:52,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:52,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:52,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:53,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:53,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 400 [2020-10-14 00:13:53,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 00:13:53,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1078 [2020-10-14 00:13:53,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:53,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:53,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:13:53,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 124 [2020-10-14 00:13:53,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 204 [2020-10-14 00:13:53,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:13:53,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:13:53,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:53,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:53,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:53,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:13:53,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:53,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 00:13:53,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:53,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:53,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:13:53,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:13:53,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:13:53,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:13:53,665 INFO L134 CoverageAnalysis]: Checked inductivity of 1704 backedges. 1111 proven. 0 refuted. 0 times theorem prover too weak. 593 trivial. 0 not checked. [2020-10-14 00:13:53,666 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [625135024] [2020-10-14 00:13:53,666 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:13:53,666 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:13:53,666 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366129676] [2020-10-14 00:13:53,667 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 00:13:53,667 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:13:53,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 00:13:53,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:53,667 INFO L87 Difference]: Start difference. First operand 15475 states and 20438 transitions. Second operand 3 states. [2020-10-14 00:13:53,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:13:53,951 INFO L93 Difference]: Finished difference Result 28984 states and 38280 transitions. [2020-10-14 00:13:53,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 00:13:53,951 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 392 [2020-10-14 00:13:53,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:13:53,981 INFO L225 Difference]: With dead ends: 28984 [2020-10-14 00:13:53,982 INFO L226 Difference]: Without dead ends: 19332 [2020-10-14 00:13:54,002 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:54,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19332 states. [2020-10-14 00:13:54,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19332 to 19330. [2020-10-14 00:13:54,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19330 states. [2020-10-14 00:13:54,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19330 states to 19330 states and 25528 transitions. [2020-10-14 00:13:54,450 INFO L78 Accepts]: Start accepts. Automaton has 19330 states and 25528 transitions. Word has length 392 [2020-10-14 00:13:54,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:13:54,450 INFO L479 AbstractCegarLoop]: Abstraction has 19330 states and 25528 transitions. [2020-10-14 00:13:54,451 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 00:13:54,451 INFO L276 IsEmpty]: Start isEmpty. Operand 19330 states and 25528 transitions. [2020-10-14 00:13:54,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 397 [2020-10-14 00:13:54,475 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:13:54,476 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:13:54,476 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-14 00:13:54,476 INFO L427 AbstractCegarLoop]: === Iteration 21 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:13:54,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:13:54,476 INFO L82 PathProgramCache]: Analyzing trace with hash 450521256, now seen corresponding path program 1 times [2020-10-14 00:13:54,477 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:13:54,477 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1888171404] [2020-10-14 00:13:54,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:13:54,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:54,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:54,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:54,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:54,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:55,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:55,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:55,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 404 [2020-10-14 00:13:55,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 00:13:55,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1229 [2020-10-14 00:13:55,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:55,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:55,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:13:55,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 323 [2020-10-14 00:13:55,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-14 00:13:55,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:13:55,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:13:55,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:55,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:55,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:55,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:13:55,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:55,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 00:13:55,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:55,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:55,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:13:55,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:13:55,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:13:55,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:13:55,847 INFO L134 CoverageAnalysis]: Checked inductivity of 1732 backedges. 562 proven. 0 refuted. 0 times theorem prover too weak. 1170 trivial. 0 not checked. [2020-10-14 00:13:55,847 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1888171404] [2020-10-14 00:13:55,847 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:13:55,847 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:13:55,847 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407834213] [2020-10-14 00:13:55,848 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 00:13:55,848 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:13:55,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 00:13:55,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:55,849 INFO L87 Difference]: Start difference. First operand 19330 states and 25528 transitions. Second operand 3 states. [2020-10-14 00:13:56,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:13:56,252 INFO L93 Difference]: Finished difference Result 32177 states and 42689 transitions. [2020-10-14 00:13:56,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 00:13:56,252 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 396 [2020-10-14 00:13:56,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:13:56,287 INFO L225 Difference]: With dead ends: 32177 [2020-10-14 00:13:56,287 INFO L226 Difference]: Without dead ends: 20300 [2020-10-14 00:13:56,310 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:13:56,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20300 states. [2020-10-14 00:13:56,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20300 to 20200. [2020-10-14 00:13:56,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20200 states. [2020-10-14 00:13:56,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20200 states to 20200 states and 26728 transitions. [2020-10-14 00:13:56,732 INFO L78 Accepts]: Start accepts. Automaton has 20200 states and 26728 transitions. Word has length 396 [2020-10-14 00:13:56,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:13:56,733 INFO L479 AbstractCegarLoop]: Abstraction has 20200 states and 26728 transitions. [2020-10-14 00:13:56,733 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 00:13:56,733 INFO L276 IsEmpty]: Start isEmpty. Operand 20200 states and 26728 transitions. [2020-10-14 00:13:56,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2020-10-14 00:13:56,832 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:13:56,833 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:13:56,833 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-14 00:13:56,833 INFO L427 AbstractCegarLoop]: === Iteration 22 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:13:56,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:13:56,834 INFO L82 PathProgramCache]: Analyzing trace with hash -1643493371, now seen corresponding path program 1 times [2020-10-14 00:13:56,834 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:13:56,835 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [501914543] [2020-10-14 00:13:56,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:13:56,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:56,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:56,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:57,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:57,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:57,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:57,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:57,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 430 [2020-10-14 00:13:57,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 00:13:57,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 947 [2020-10-14 00:13:57,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:57,815 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:57,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 00:13:57,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 361 [2020-10-14 00:13:57,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-14 00:13:57,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:13:57,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:13:57,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:57,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:57,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:13:57,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:13:57,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:13:57,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 00:13:57,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:13:57,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:13:57,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:13:57,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:13:57,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:13:57,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:13:57,918 INFO L134 CoverageAnalysis]: Checked inductivity of 2004 backedges. 560 proven. 26 refuted. 0 times theorem prover too weak. 1418 trivial. 0 not checked. [2020-10-14 00:13:57,919 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [501914543] [2020-10-14 00:13:57,919 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:13:57,919 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-10-14 00:13:57,919 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315543421] [2020-10-14 00:13:57,920 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 00:13:57,920 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:13:57,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 00:13:57,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 00:13:57,920 INFO L87 Difference]: Start difference. First operand 20200 states and 26728 transitions. Second operand 4 states. [2020-10-14 00:13:58,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:13:58,608 INFO L93 Difference]: Finished difference Result 45657 states and 61431 transitions. [2020-10-14 00:13:58,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:13:58,609 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 422 [2020-10-14 00:13:58,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:13:58,640 INFO L225 Difference]: With dead ends: 45657 [2020-10-14 00:13:58,641 INFO L226 Difference]: Without dead ends: 24920 [2020-10-14 00:13:58,663 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:13:58,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24920 states. [2020-10-14 00:13:59,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24920 to 22074. [2020-10-14 00:13:59,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22074 states. [2020-10-14 00:13:59,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22074 states to 22074 states and 29832 transitions. [2020-10-14 00:13:59,073 INFO L78 Accepts]: Start accepts. Automaton has 22074 states and 29832 transitions. Word has length 422 [2020-10-14 00:13:59,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:13:59,074 INFO L479 AbstractCegarLoop]: Abstraction has 22074 states and 29832 transitions. [2020-10-14 00:13:59,074 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 00:13:59,074 INFO L276 IsEmpty]: Start isEmpty. Operand 22074 states and 29832 transitions. [2020-10-14 00:13:59,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 455 [2020-10-14 00:13:59,098 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:13:59,098 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 14, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:13:59,098 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-14 00:13:59,099 INFO L427 AbstractCegarLoop]: === Iteration 23 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:13:59,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:13:59,099 INFO L82 PathProgramCache]: Analyzing trace with hash -1318969793, now seen corresponding path program 1 times [2020-10-14 00:13:59,099 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:13:59,099 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1007056690] [2020-10-14 00:13:59,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:13:59,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:13:59,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:59,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:59,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:13:59,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:00,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:00,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:00,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:00,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:00,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:04,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:14:04,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 462 [2020-10-14 00:14:04,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-14 00:14:04,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-14 00:14:04,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:14:04,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:14:04,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:14:04,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-14 00:14:04,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 427 [2020-10-14 00:14:04,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:14:04,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:14:04,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:14:04,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:04,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:14:04,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:14:04,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:14:04,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 00:14:04,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:14:04,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:14:04,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:14:04,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:14:04,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:14:04,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:14:05,322 INFO L134 CoverageAnalysis]: Checked inductivity of 2412 backedges. 402 proven. 328 refuted. 0 times theorem prover too weak. 1682 trivial. 0 not checked. [2020-10-14 00:14:05,322 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1007056690] [2020-10-14 00:14:05,322 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:14:05,322 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 00:14:05,323 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028236616] [2020-10-14 00:14:05,323 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:14:05,324 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:14:05,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:14:05,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:14:05,324 INFO L87 Difference]: Start difference. First operand 22074 states and 29832 transitions. Second operand 5 states. [2020-10-14 00:14:06,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:14:06,914 INFO L93 Difference]: Finished difference Result 66101 states and 89354 transitions. [2020-10-14 00:14:06,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 00:14:06,914 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 454 [2020-10-14 00:14:06,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:14:06,960 INFO L225 Difference]: With dead ends: 66101 [2020-10-14 00:14:06,960 INFO L226 Difference]: Without dead ends: 44314 [2020-10-14 00:14:06,983 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 00:14:07,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44314 states. [2020-10-14 00:14:07,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44314 to 44157. [2020-10-14 00:14:07,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44157 states. [2020-10-14 00:14:07,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44157 states to 44157 states and 59728 transitions. [2020-10-14 00:14:07,698 INFO L78 Accepts]: Start accepts. Automaton has 44157 states and 59728 transitions. Word has length 454 [2020-10-14 00:14:07,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:14:07,699 INFO L479 AbstractCegarLoop]: Abstraction has 44157 states and 59728 transitions. [2020-10-14 00:14:07,699 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:14:07,699 INFO L276 IsEmpty]: Start isEmpty. Operand 44157 states and 59728 transitions. [2020-10-14 00:14:07,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 456 [2020-10-14 00:14:07,747 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:14:07,747 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 14, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:14:07,747 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-14 00:14:07,747 INFO L427 AbstractCegarLoop]: === Iteration 24 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:14:07,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:14:07,748 INFO L82 PathProgramCache]: Analyzing trace with hash 2054573845, now seen corresponding path program 1 times [2020-10-14 00:14:07,748 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:14:07,748 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1208276692] [2020-10-14 00:14:07,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:14:07,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:14:07,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:07,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:07,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:07,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:09,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:09,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:09,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:09,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:12,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:14:12,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 463 [2020-10-14 00:14:12,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-14 00:14:12,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-14 00:14:12,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:14:12,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:14:12,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:14:12,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 421 [2020-10-14 00:14:12,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-14 00:14:12,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:14:12,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:14:12,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:14:12,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:12,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:14:12,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:14:12,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:14:12,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 00:14:12,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:14:12,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:14:12,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:14:12,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:14:12,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:14:12,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:14:12,926 INFO L134 CoverageAnalysis]: Checked inductivity of 2412 backedges. 341 proven. 0 refuted. 0 times theorem prover too weak. 2071 trivial. 0 not checked. [2020-10-14 00:14:12,926 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1208276692] [2020-10-14 00:14:12,926 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:14:12,926 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:14:12,926 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944250570] [2020-10-14 00:14:12,927 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 00:14:12,927 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:14:12,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 00:14:12,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:14:12,927 INFO L87 Difference]: Start difference. First operand 44157 states and 59728 transitions. Second operand 3 states. [2020-10-14 00:14:13,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:14:13,566 INFO L93 Difference]: Finished difference Result 66007 states and 89204 transitions. [2020-10-14 00:14:13,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 00:14:13,567 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 455 [2020-10-14 00:14:13,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:14:13,615 INFO L225 Difference]: With dead ends: 66007 [2020-10-14 00:14:13,615 INFO L226 Difference]: Without dead ends: 44070 [2020-10-14 00:14:13,641 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:14:13,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44070 states. [2020-10-14 00:14:14,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44070 to 44061. [2020-10-14 00:14:14,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44061 states. [2020-10-14 00:14:14,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44061 states to 44061 states and 59484 transitions. [2020-10-14 00:14:14,560 INFO L78 Accepts]: Start accepts. Automaton has 44061 states and 59484 transitions. Word has length 455 [2020-10-14 00:14:14,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:14:14,561 INFO L479 AbstractCegarLoop]: Abstraction has 44061 states and 59484 transitions. [2020-10-14 00:14:14,561 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 00:14:14,561 INFO L276 IsEmpty]: Start isEmpty. Operand 44061 states and 59484 transitions. [2020-10-14 00:14:14,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 495 [2020-10-14 00:14:14,594 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:14:14,595 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 17, 17, 15, 15, 15, 13, 13, 11, 11, 9, 9, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:14:14,595 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-14 00:14:14,595 INFO L427 AbstractCegarLoop]: === Iteration 25 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:14:14,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:14:14,596 INFO L82 PathProgramCache]: Analyzing trace with hash -934956166, now seen corresponding path program 1 times [2020-10-14 00:14:14,596 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:14:14,596 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [889302249] [2020-10-14 00:14:14,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:14:14,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:14:14,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:14,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:14,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:14,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:15,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:15,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:19,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:14:19,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 502 [2020-10-14 00:14:19,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 00:14:19,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-14 00:14:19,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:14:19,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:14:19,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:14:19,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-14 00:14:19,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 406 [2020-10-14 00:14:19,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:14:19,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:14:19,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:14:19,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:19,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:14:19,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:14:19,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:14:19,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 00:14:19,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:14:19,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:14:19,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:14:19,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:14:19,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:14:19,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:14:20,578 INFO L134 CoverageAnalysis]: Checked inductivity of 2789 backedges. 636 proven. 452 refuted. 0 times theorem prover too weak. 1701 trivial. 0 not checked. [2020-10-14 00:14:20,578 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [889302249] [2020-10-14 00:14:20,583 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:14:20,583 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 00:14:20,583 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121495368] [2020-10-14 00:14:20,584 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:14:20,584 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:14:20,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:14:20,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:14:20,584 INFO L87 Difference]: Start difference. First operand 44061 states and 59484 transitions. Second operand 5 states. [2020-10-14 00:14:22,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:14:22,301 INFO L93 Difference]: Finished difference Result 90088 states and 120675 transitions. [2020-10-14 00:14:22,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 00:14:22,301 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 494 [2020-10-14 00:14:22,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:14:22,378 INFO L225 Difference]: With dead ends: 90088 [2020-10-14 00:14:22,378 INFO L226 Difference]: Without dead ends: 67941 [2020-10-14 00:14:22,407 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-14 00:14:22,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67941 states. [2020-10-14 00:14:23,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67941 to 64592. [2020-10-14 00:14:23,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64592 states. [2020-10-14 00:14:23,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64592 states to 64592 states and 85004 transitions. [2020-10-14 00:14:23,765 INFO L78 Accepts]: Start accepts. Automaton has 64592 states and 85004 transitions. Word has length 494 [2020-10-14 00:14:23,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:14:23,766 INFO L479 AbstractCegarLoop]: Abstraction has 64592 states and 85004 transitions. [2020-10-14 00:14:23,766 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:14:23,766 INFO L276 IsEmpty]: Start isEmpty. Operand 64592 states and 85004 transitions. [2020-10-14 00:14:23,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 523 [2020-10-14 00:14:23,817 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:14:23,817 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 18, 18, 16, 16, 16, 14, 14, 12, 12, 10, 10, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:14:23,817 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-14 00:14:23,817 INFO L427 AbstractCegarLoop]: === Iteration 26 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:14:23,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:14:23,818 INFO L82 PathProgramCache]: Analyzing trace with hash -770343937, now seen corresponding path program 2 times [2020-10-14 00:14:23,818 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:14:23,818 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [393590703] [2020-10-14 00:14:23,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:14:23,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:14:23,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:23,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:23,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:24,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:24,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:24,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:28,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:28,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:14:28,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 530 [2020-10-14 00:14:28,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 00:14:28,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-14 00:14:28,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:14:28,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:14:28,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:14:28,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-14 00:14:28,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 453 [2020-10-14 00:14:28,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:14:29,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:14:29,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:14:29,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:29,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:14:29,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:14:29,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:14:29,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 00:14:29,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:14:29,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:14:29,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:14:29,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:14:29,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:14:29,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:14:30,874 INFO L134 CoverageAnalysis]: Checked inductivity of 3166 backedges. 908 proven. 352 refuted. 0 times theorem prover too weak. 1906 trivial. 0 not checked. [2020-10-14 00:14:30,874 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [393590703] [2020-10-14 00:14:30,875 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:14:30,875 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 00:14:30,875 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858413484] [2020-10-14 00:14:30,875 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:14:30,876 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:14:30,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:14:30,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:14:30,876 INFO L87 Difference]: Start difference. First operand 64592 states and 85004 transitions. Second operand 5 states. [2020-10-14 00:14:32,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:14:32,966 INFO L93 Difference]: Finished difference Result 150448 states and 197908 transitions. [2020-10-14 00:14:32,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 00:14:32,966 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 522 [2020-10-14 00:14:32,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:14:33,063 INFO L225 Difference]: With dead ends: 150448 [2020-10-14 00:14:33,063 INFO L226 Difference]: Without dead ends: 86191 [2020-10-14 00:14:33,115 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-14 00:14:33,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86191 states. [2020-10-14 00:14:34,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86191 to 86177. [2020-10-14 00:14:34,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86177 states. [2020-10-14 00:14:34,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86177 states to 86177 states and 113264 transitions. [2020-10-14 00:14:34,950 INFO L78 Accepts]: Start accepts. Automaton has 86177 states and 113264 transitions. Word has length 522 [2020-10-14 00:14:34,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:14:34,951 INFO L479 AbstractCegarLoop]: Abstraction has 86177 states and 113264 transitions. [2020-10-14 00:14:34,951 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:14:34,951 INFO L276 IsEmpty]: Start isEmpty. Operand 86177 states and 113264 transitions. [2020-10-14 00:14:35,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 565 [2020-10-14 00:14:35,022 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:14:35,023 INFO L422 BasicCegarLoop]: trace histogram [20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 19, 19, 17, 17, 17, 15, 15, 13, 13, 11, 11, 9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:14:35,023 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-14 00:14:35,023 INFO L427 AbstractCegarLoop]: === Iteration 27 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:14:35,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:14:35,024 INFO L82 PathProgramCache]: Analyzing trace with hash -11299787, now seen corresponding path program 3 times [2020-10-14 00:14:35,024 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:14:35,024 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [899752195] [2020-10-14 00:14:35,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:14:35,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:14:35,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:35,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:35,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:35,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:35,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:36,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:40,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:14:40,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 572 [2020-10-14 00:14:40,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 00:14:40,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-14 00:14:40,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:14:40,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:14:40,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:14:40,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-14 00:14:40,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 245 [2020-10-14 00:14:40,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:14:40,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:14:40,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:14:40,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:40,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:14:40,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:14:40,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:14:40,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 00:14:40,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:14:40,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:14:40,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:14:40,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:14:40,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:14:40,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:14:41,824 INFO L134 CoverageAnalysis]: Checked inductivity of 3610 backedges. 2032 proven. 317 refuted. 0 times theorem prover too weak. 1261 trivial. 0 not checked. [2020-10-14 00:14:41,825 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [899752195] [2020-10-14 00:14:41,825 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:14:41,825 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 00:14:41,825 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140190348] [2020-10-14 00:14:41,825 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:14:41,826 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:14:41,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:14:41,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:14:41,826 INFO L87 Difference]: Start difference. First operand 86177 states and 113264 transitions. Second operand 5 states. [2020-10-14 00:14:44,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:14:44,220 INFO L93 Difference]: Finished difference Result 157473 states and 206739 transitions. [2020-10-14 00:14:44,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 00:14:44,221 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 564 [2020-10-14 00:14:44,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:14:44,326 INFO L225 Difference]: With dead ends: 157473 [2020-10-14 00:14:44,326 INFO L226 Difference]: Without dead ends: 93566 [2020-10-14 00:14:44,379 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-14 00:14:44,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93566 states. [2020-10-14 00:14:46,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93566 to 88924. [2020-10-14 00:14:46,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88924 states. [2020-10-14 00:14:46,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88924 states to 88924 states and 116576 transitions. [2020-10-14 00:14:46,410 INFO L78 Accepts]: Start accepts. Automaton has 88924 states and 116576 transitions. Word has length 564 [2020-10-14 00:14:46,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:14:46,410 INFO L479 AbstractCegarLoop]: Abstraction has 88924 states and 116576 transitions. [2020-10-14 00:14:46,410 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:14:46,410 INFO L276 IsEmpty]: Start isEmpty. Operand 88924 states and 116576 transitions. [2020-10-14 00:14:46,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 577 [2020-10-14 00:14:46,482 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:14:46,483 INFO L422 BasicCegarLoop]: trace histogram [20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 19, 19, 18, 18, 18, 16, 16, 14, 14, 12, 12, 10, 10, 10, 10, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:14:46,483 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-10-14 00:14:46,483 INFO L427 AbstractCegarLoop]: === Iteration 28 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:14:46,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:14:46,483 INFO L82 PathProgramCache]: Analyzing trace with hash -1898071671, now seen corresponding path program 1 times [2020-10-14 00:14:46,483 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:14:46,484 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [326281230] [2020-10-14 00:14:46,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:14:46,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:14:46,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:46,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:46,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:46,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:47,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:48,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:14:48,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 584 [2020-10-14 00:14:48,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 00:14:48,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1910 [2020-10-14 00:14:48,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:14:48,410 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:14:48,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:14:48,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 256 [2020-10-14 00:14:48,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-14 00:14:48,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:14:48,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:14:48,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:14:48,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:48,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:14:48,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:14:48,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:14:48,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 00:14:48,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:14:48,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:14:48,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:14:48,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:14:48,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:14:48,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:14:48,772 INFO L134 CoverageAnalysis]: Checked inductivity of 3761 backedges. 2212 proven. 0 refuted. 0 times theorem prover too weak. 1549 trivial. 0 not checked. [2020-10-14 00:14:48,772 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [326281230] [2020-10-14 00:14:48,772 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:14:48,773 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:14:48,773 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426769839] [2020-10-14 00:14:48,773 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 00:14:48,773 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:14:48,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 00:14:48,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:14:48,774 INFO L87 Difference]: Start difference. First operand 88924 states and 116576 transitions. Second operand 3 states. [2020-10-14 00:14:50,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:14:50,454 INFO L93 Difference]: Finished difference Result 186556 states and 246107 transitions. [2020-10-14 00:14:50,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 00:14:50,455 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 576 [2020-10-14 00:14:50,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:14:50,568 INFO L225 Difference]: With dead ends: 186556 [2020-10-14 00:14:50,568 INFO L226 Difference]: Without dead ends: 96592 [2020-10-14 00:14:50,637 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:14:50,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96592 states. [2020-10-14 00:14:52,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96592 to 96166. [2020-10-14 00:14:52,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96166 states. [2020-10-14 00:14:52,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96166 states to 96166 states and 127013 transitions. [2020-10-14 00:14:52,945 INFO L78 Accepts]: Start accepts. Automaton has 96166 states and 127013 transitions. Word has length 576 [2020-10-14 00:14:52,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:14:52,945 INFO L479 AbstractCegarLoop]: Abstraction has 96166 states and 127013 transitions. [2020-10-14 00:14:52,945 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 00:14:52,945 INFO L276 IsEmpty]: Start isEmpty. Operand 96166 states and 127013 transitions. [2020-10-14 00:14:53,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 597 [2020-10-14 00:14:53,024 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:14:53,024 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 20, 20, 18, 18, 18, 16, 16, 14, 14, 12, 12, 10, 10, 10, 10, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:14:53,024 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-10-14 00:14:53,024 INFO L427 AbstractCegarLoop]: === Iteration 29 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:14:53,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:14:53,025 INFO L82 PathProgramCache]: Analyzing trace with hash 1737217293, now seen corresponding path program 1 times [2020-10-14 00:14:53,025 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:14:53,025 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1264128302] [2020-10-14 00:14:53,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:14:53,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:14:53,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:53,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:53,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:53,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:53,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:53,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:54,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:58,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:14:58,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 604 [2020-10-14 00:14:58,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 00:14:58,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-14 00:14:58,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:14:58,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:14:58,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:14:58,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-14 00:14:58,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 488 [2020-10-14 00:14:58,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:14:58,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:14:58,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:14:58,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:58,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:14:58,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:14:58,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:14:58,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 00:14:58,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:14:58,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:14:58,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:14:58,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:14:58,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:14:58,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:14:59,466 INFO L134 CoverageAnalysis]: Checked inductivity of 4053 backedges. 1409 proven. 381 refuted. 0 times theorem prover too weak. 2263 trivial. 0 not checked. [2020-10-14 00:14:59,467 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1264128302] [2020-10-14 00:14:59,467 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:14:59,467 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 00:14:59,468 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477435784] [2020-10-14 00:14:59,469 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:14:59,469 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:14:59,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:14:59,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:14:59,470 INFO L87 Difference]: Start difference. First operand 96166 states and 127013 transitions. Second operand 5 states. [2020-10-14 00:15:03,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:15:03,213 INFO L93 Difference]: Finished difference Result 245688 states and 323948 transitions. [2020-10-14 00:15:03,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 00:15:03,213 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 596 [2020-10-14 00:15:03,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:15:03,354 INFO L225 Difference]: With dead ends: 245688 [2020-10-14 00:15:03,355 INFO L226 Difference]: Without dead ends: 150009 [2020-10-14 00:15:03,397 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-14 00:15:03,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150009 states. [2020-10-14 00:15:06,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150009 to 122061. [2020-10-14 00:15:06,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122061 states. [2020-10-14 00:15:06,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122061 states to 122061 states and 161577 transitions. [2020-10-14 00:15:06,477 INFO L78 Accepts]: Start accepts. Automaton has 122061 states and 161577 transitions. Word has length 596 [2020-10-14 00:15:06,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:15:06,477 INFO L479 AbstractCegarLoop]: Abstraction has 122061 states and 161577 transitions. [2020-10-14 00:15:06,477 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:15:06,478 INFO L276 IsEmpty]: Start isEmpty. Operand 122061 states and 161577 transitions. [2020-10-14 00:15:06,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 599 [2020-10-14 00:15:06,573 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:15:06,574 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 20, 20, 18, 18, 18, 16, 16, 14, 14, 12, 12, 10, 10, 10, 10, 7, 6, 6, 6, 6, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:15:06,574 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-10-14 00:15:06,574 INFO L427 AbstractCegarLoop]: === Iteration 30 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:15:06,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:15:06,574 INFO L82 PathProgramCache]: Analyzing trace with hash 1750499726, now seen corresponding path program 1 times [2020-10-14 00:15:06,575 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:15:06,575 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1632789006] [2020-10-14 00:15:06,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:15:06,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:15:06,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:15:06,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:15:06,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:15:06,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:15:06,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:15:07,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:15:09,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:15:09,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:15:11,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:15:11,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 606 [2020-10-14 00:15:11,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-14 00:15:11,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5173 [2020-10-14 00:15:11,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:15:11,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:15:11,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:15:11,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-14 00:15:11,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 00:15:11,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:15:11,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:15:11,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:15:11,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:15:11,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:15:11,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:15:11,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:15:11,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 00:15:11,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:15:11,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:15:11,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:15:11,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:15:11,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:15:11,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:15:11,917 INFO L134 CoverageAnalysis]: Checked inductivity of 4053 backedges. 915 proven. 0 refuted. 0 times theorem prover too weak. 3138 trivial. 0 not checked. [2020-10-14 00:15:11,917 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1632789006] [2020-10-14 00:15:11,918 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:15:11,918 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:15:11,918 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870717791] [2020-10-14 00:15:11,919 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 00:15:11,919 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:15:11,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 00:15:11,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:15:11,919 INFO L87 Difference]: Start difference. First operand 122061 states and 161577 transitions. Second operand 3 states. [2020-10-14 00:15:14,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:15:14,420 INFO L93 Difference]: Finished difference Result 244109 states and 323137 transitions. [2020-10-14 00:15:14,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 00:15:14,420 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 598 [2020-10-14 00:15:14,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:15:14,546 INFO L225 Difference]: With dead ends: 244109 [2020-10-14 00:15:14,547 INFO L226 Difference]: Without dead ends: 122061 [2020-10-14 00:15:14,598 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 00:15:14,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122061 states. [2020-10-14 00:15:17,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122061 to 121266. [2020-10-14 00:15:17,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121266 states. [2020-10-14 00:15:17,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121266 states to 121266 states and 159192 transitions. [2020-10-14 00:15:17,499 INFO L78 Accepts]: Start accepts. Automaton has 121266 states and 159192 transitions. Word has length 598 [2020-10-14 00:15:17,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:15:17,499 INFO L479 AbstractCegarLoop]: Abstraction has 121266 states and 159192 transitions. [2020-10-14 00:15:17,500 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 00:15:17,500 INFO L276 IsEmpty]: Start isEmpty. Operand 121266 states and 159192 transitions. [2020-10-14 00:15:17,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 605 [2020-10-14 00:15:17,634 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:15:17,635 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 20, 20, 18, 18, 18, 16, 16, 14, 14, 12, 12, 10, 10, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:15:17,635 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-10-14 00:15:17,635 INFO L427 AbstractCegarLoop]: === Iteration 31 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:15:17,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:15:17,635 INFO L82 PathProgramCache]: Analyzing trace with hash -560777190, now seen corresponding path program 4 times [2020-10-14 00:15:17,635 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:15:17,636 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [559341792] [2020-10-14 00:15:17,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:15:17,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:15:17,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:15:17,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:15:17,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:15:17,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:15:20,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:15:20,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 612 [2020-10-14 00:15:20,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 00:15:20,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2982 [2020-10-14 00:15:20,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:15:20,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:15:20,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 00:15:20,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 362 [2020-10-14 00:15:20,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-14 00:15:20,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:15:22,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:15:22,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:15:22,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:15:22,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:15:22,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 00:15:22,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:15:22,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 00:15:22,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:15:22,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:15:22,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:15:22,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:15:22,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:15:22,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:15:22,576 INFO L134 CoverageAnalysis]: Checked inductivity of 4088 backedges. 2400 proven. 16 refuted. 0 times theorem prover too weak. 1672 trivial. 0 not checked. [2020-10-14 00:15:22,576 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [559341792] [2020-10-14 00:15:22,576 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:15:22,577 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-10-14 00:15:22,577 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083367603] [2020-10-14 00:15:22,577 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 00:15:22,577 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:15:22,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 00:15:22,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 00:15:22,578 INFO L87 Difference]: Start difference. First operand 121266 states and 159192 transitions. Second operand 4 states. [2020-10-14 00:15:24,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:15:24,109 INFO L93 Difference]: Finished difference Result 186850 states and 245609 transitions. [2020-10-14 00:15:24,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:15:24,109 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 604 [2020-10-14 00:15:24,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:15:24,110 INFO L225 Difference]: With dead ends: 186850 [2020-10-14 00:15:24,110 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 00:15:24,257 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:15:24,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 00:15:24,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 00:15:24,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 00:15:24,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 00:15:24,258 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 604 [2020-10-14 00:15:24,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:15:24,259 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 00:15:24,259 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 00:15:24,259 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 00:15:24,259 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 00:15:24,259 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-10-14 00:15:24,262 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 00:15:26,321 WARN L193 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 570 DAG size of output: 273 [2020-10-14 00:15:27,292 WARN L193 SmtUtils]: Spent 966.00 ms on a formula simplification. DAG size of input: 550 DAG size of output: 363 [2020-10-14 00:15:27,855 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 466 DAG size of output: 256 [2020-10-14 00:15:28,468 WARN L193 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 552 DAG size of output: 269 [2020-10-14 00:15:30,028 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 790 DAG size of output: 333 [2020-10-14 00:15:30,674 WARN L193 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 490 DAG size of output: 288 [2020-10-14 00:15:30,865 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 187 [2020-10-14 00:15:31,523 WARN L193 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 548 DAG size of output: 295 [2020-10-14 00:15:32,586 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 572 DAG size of output: 248 [2020-10-14 00:15:51,715 WARN L193 SmtUtils]: Spent 19.12 s on a formula simplification. DAG size of input: 3028 DAG size of output: 565 [2020-10-14 00:15:52,477 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 598 DAG size of output: 314 [2020-10-14 00:16:11,358 WARN L193 SmtUtils]: Spent 18.87 s on a formula simplification. DAG size of input: 3028 DAG size of output: 565 [2020-10-14 00:16:12,003 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 315 [2020-10-14 00:16:12,905 WARN L193 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 615 DAG size of output: 436 [2020-10-14 00:16:13,515 WARN L193 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 477 DAG size of output: 282 [2020-10-14 00:16:14,352 WARN L193 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 476 DAG size of output: 388 [2020-10-14 00:16:15,133 WARN L193 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 550 DAG size of output: 363 [2020-10-14 00:16:16,221 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 562 DAG size of output: 514 [2020-10-14 00:16:16,365 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 163 [2020-10-14 00:16:17,306 WARN L193 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 670 DAG size of output: 374 [2020-10-14 00:16:18,835 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 245 DAG size of output: 39 [2020-10-14 00:16:20,850 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 312 DAG size of output: 34 [2020-10-14 00:16:21,970 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 223 DAG size of output: 46 [2020-10-14 00:16:23,400 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 237 DAG size of output: 41 [2020-10-14 00:16:25,613 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 299 DAG size of output: 47 [2020-10-14 00:16:27,025 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 254 DAG size of output: 38 [2020-10-14 00:16:27,583 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 34 [2020-10-14 00:16:29,006 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 258 DAG size of output: 34 [2020-10-14 00:16:31,122 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 219 DAG size of output: 44 [2020-10-14 00:16:37,332 WARN L193 SmtUtils]: Spent 6.20 s on a formula simplification. DAG size of input: 503 DAG size of output: 108 [2020-10-14 00:16:39,022 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 279 DAG size of output: 37 [2020-10-14 00:16:45,215 WARN L193 SmtUtils]: Spent 6.19 s on a formula simplification. DAG size of input: 503 DAG size of output: 108 [2020-10-14 00:16:47,093 WARN L193 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 274 DAG size of output: 44 [2020-10-14 00:16:50,330 WARN L193 SmtUtils]: Spent 3.23 s on a formula simplification. DAG size of input: 392 DAG size of output: 74 [2020-10-14 00:16:51,680 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 245 DAG size of output: 37 [2020-10-14 00:16:54,511 WARN L193 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 383 DAG size of output: 46 [2020-10-14 00:16:56,730 WARN L193 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 312 DAG size of output: 34 [2020-10-14 00:17:01,618 WARN L193 SmtUtils]: Spent 4.88 s on a formula simplification. DAG size of input: 497 DAG size of output: 36 [2020-10-14 00:17:02,083 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 34 [2020-10-14 00:17:05,303 WARN L193 SmtUtils]: Spent 3.22 s on a formula simplification. DAG size of input: 324 DAG size of output: 45 [2020-10-14 00:17:05,308 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-10-14 00:17:05,308 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 00:17:05,308 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 00:17:05,308 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-14 00:17:05,308 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 00:17:05,309 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 00:17:05,309 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 677 688) the Hoare annotation is: true [2020-10-14 00:17:05,309 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 677 688) no Hoare annotation was computed. [2020-10-14 00:17:05,309 INFO L271 CegarLoopResult]: At program point L684(line 684) the Hoare annotation is: true [2020-10-14 00:17:05,309 INFO L268 CegarLoopResult]: For program point L684-1(line 684) no Hoare annotation was computed. [2020-10-14 00:17:05,309 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 677 688) no Hoare annotation was computed. [2020-10-14 00:17:05,310 INFO L264 CegarLoopResult]: At program point L168(lines 167 605) the Hoare annotation is: (let ((.cse9 (+ (* ssl3_accept_~ag_X~0 2) (* ssl3_accept_~ag_Y~0 2)))) (let ((.cse10 (* (div .cse9 4294967296) 4294967296)) (.cse6 (= ssl3_accept_~s__hit~0 0))) (let ((.cse3 (<= ssl3_accept_~blastFlag~0 1)) (.cse8 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 3)) (.cse0 (not .cse6)) (.cse7 (<= ssl3_accept_~blastFlag~0 3)) (.cse4 (not (= .cse9 (+ .cse10 8656)))) (.cse1 (<= ssl3_accept_~blastFlag~0 2)) (.cse2 (<= ssl3_accept_~s__state~0 8448)) (.cse5 (not (= .cse9 (+ .cse10 8672))))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2 .cse5) (and .cse6 .cse4 .cse2 .cse7 .cse8 .cse5) (and .cse3 .cse2 .cse8) (and (<= 8640 ssl3_accept_~s__s3__tmp__next_state___0~0) .cse0 .cse2 .cse7) (and .cse2 (<= ssl3_accept_~blastFlag~0 0)) (and .cse4 .cse1 .cse2 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse5))))) [2020-10-14 00:17:05,311 INFO L264 CegarLoopResult]: At program point L135(lines 128 618) the Hoare annotation is: (let ((.cse4 (+ (* ssl3_accept_~ag_X~0 2) (* ssl3_accept_~ag_Y~0 2)))) (let ((.cse5 (* (div .cse4 4294967296) 4294967296))) (let ((.cse1 (<= ssl3_accept_~blastFlag~0 2)) (.cse0 (not (= .cse4 (+ .cse5 8656)))) (.cse2 (<= ssl3_accept_~s__state~0 8466)) (.cse3 (not (= .cse4 (+ .cse5 8672))))) (or (and .cse0 .cse1 .cse2 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse3) (and (<= ssl3_accept_~s__state~0 8512) (not (= ssl3_accept_~s__hit~0 0)) .cse1) (and .cse2 (<= ssl3_accept_~blastFlag~0 0)) (and (<= ssl3_accept_~blastFlag~0 1) .cse0 .cse2 .cse3))))) [2020-10-14 00:17:05,311 INFO L268 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-14 00:17:05,311 INFO L268 CegarLoopResult]: For program point L631(lines 631 635) no Hoare annotation was computed. [2020-10-14 00:17:05,311 INFO L268 CegarLoopResult]: For program point L203(lines 203 593) no Hoare annotation was computed. [2020-10-14 00:17:05,311 INFO L268 CegarLoopResult]: For program point L170(lines 170 604) no Hoare annotation was computed. [2020-10-14 00:17:05,311 INFO L268 CegarLoopResult]: For program point L137(lines 137 615) no Hoare annotation was computed. [2020-10-14 00:17:05,311 INFO L268 CegarLoopResult]: For program point L104(lines 104 626) no Hoare annotation was computed. [2020-10-14 00:17:05,311 INFO L268 CegarLoopResult]: For program point L336(lines 336 340) no Hoare annotation was computed. [2020-10-14 00:17:05,312 INFO L264 CegarLoopResult]: At program point L204(lines 200 594) the Hoare annotation is: (let ((.cse6 (+ (* ssl3_accept_~ag_X~0 2) (* ssl3_accept_~ag_Y~0 2)))) (let ((.cse7 (* (div .cse6 4294967296) 4294967296))) (let ((.cse2 (= ssl3_accept_~s__state~0 8672)) (.cse5 (<= ssl3_accept_~blastFlag~0 1)) (.cse1 (not (= .cse6 (+ .cse7 8656)))) (.cse4 (not (= .cse6 (+ .cse7 8672)))) (.cse3 (<= ssl3_accept_~blastFlag~0 3)) (.cse0 (<= 8672 ssl3_accept_~s__state~0))) (or (and (<= ssl3_accept_~blastFlag~0 0) .cse0) (and .cse1 .cse2 .cse3 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse4) (and .cse5 .cse2) (and .cse5 .cse1 .cse0 .cse4) (and (not (= ssl3_accept_~s__hit~0 0)) .cse3 .cse0))))) [2020-10-14 00:17:05,312 INFO L271 CegarLoopResult]: At program point L105(lines 104 626) the Hoare annotation is: true [2020-10-14 00:17:05,312 INFO L268 CegarLoopResult]: For program point L469(lines 469 480) no Hoare annotation was computed. [2020-10-14 00:17:05,312 INFO L268 CegarLoopResult]: For program point L436(lines 436 440) no Hoare annotation was computed. [2020-10-14 00:17:05,312 INFO L264 CegarLoopResult]: At program point L370(lines 353 388) the Hoare annotation is: (let ((.cse2 (<= ssl3_accept_~s__state~0 8544)) (.cse0 (<= 8512 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~blastFlag~0 2))) (or (and (<= ssl3_accept_~s__state~0 8656) .cse0 (not (= ssl3_accept_~s__hit~0 0)) .cse1) (and .cse2 .cse0 (<= ssl3_accept_~blastFlag~0 0)) (let ((.cse3 (+ (* ssl3_accept_~ag_X~0 2) (* ssl3_accept_~ag_Y~0 2)))) (let ((.cse4 (* (div .cse3 4294967296) 4294967296))) (and .cse2 .cse0 (not (= .cse3 (+ .cse4 8656))) .cse1 (not (= .cse3 (+ .cse4 8672)))))))) [2020-10-14 00:17:05,313 INFO L264 CegarLoopResult]: At program point L404(lines 395 426) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8560)) (.cse1 (<= 8512 ssl3_accept_~s__state~0)) (.cse2 (<= ssl3_accept_~blastFlag~0 2))) (or (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 0)) (and (<= ssl3_accept_~s__state~0 8656) .cse1 (not (= ssl3_accept_~s__hit~0 0)) .cse2) (let ((.cse3 (+ (* ssl3_accept_~ag_X~0 2) (* ssl3_accept_~ag_Y~0 2)))) (let ((.cse4 (* (div .cse3 4294967296) 4294967296))) (and .cse0 .cse1 (not (= .cse3 (+ .cse4 8656))) .cse2 (not (= .cse3 (+ .cse4 8672)))))))) [2020-10-14 00:17:05,313 INFO L268 CegarLoopResult]: For program point L239(lines 239 244) no Hoare annotation was computed. [2020-10-14 00:17:05,313 INFO L268 CegarLoopResult]: For program point L206(lines 206 592) no Hoare annotation was computed. [2020-10-14 00:17:05,313 INFO L268 CegarLoopResult]: For program point L173(lines 173 603) no Hoare annotation was computed. [2020-10-14 00:17:05,313 INFO L268 CegarLoopResult]: For program point L140(lines 140 614) no Hoare annotation was computed. [2020-10-14 00:17:05,313 INFO L268 CegarLoopResult]: For program point L107(lines 107 625) no Hoare annotation was computed. [2020-10-14 00:17:05,313 INFO L268 CegarLoopResult]: For program point L372(lines 372 376) no Hoare annotation was computed. [2020-10-14 00:17:05,313 INFO L271 CegarLoopResult]: At program point L207(lines 206 592) the Hoare annotation is: true [2020-10-14 00:17:05,313 INFO L264 CegarLoopResult]: At program point L174(lines 170 604) the Hoare annotation is: (let ((.cse5 (+ (* ssl3_accept_~ag_X~0 2) (* ssl3_accept_~ag_Y~0 2)))) (let ((.cse6 (* (div .cse5 4294967296) 4294967296))) (let ((.cse0 (<= 8512 ssl3_accept_~s__state~0)) (.cse2 (not (= .cse5 (+ .cse6 8656)))) (.cse1 (<= ssl3_accept_~blastFlag~0 2)) (.cse3 (<= ssl3_accept_~s__state~0 8592)) (.cse4 (not (= .cse5 (+ .cse6 8672))))) (or (and (<= ssl3_accept_~s__state~0 8656) .cse0 (not (= ssl3_accept_~s__hit~0 0)) .cse1) (and (<= ssl3_accept_~blastFlag~0 1) .cse0 .cse2 .cse3 .cse4) (and .cse0 .cse3 (<= ssl3_accept_~blastFlag~0 0)) (and .cse0 .cse2 .cse1 .cse3 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse4))))) [2020-10-14 00:17:05,313 INFO L264 CegarLoopResult]: At program point L141(lines 137 615) the Hoare annotation is: (let ((.cse4 (+ (* ssl3_accept_~ag_X~0 2) (* ssl3_accept_~ag_Y~0 2)))) (let ((.cse5 (* (div .cse4 4294967296) 4294967296))) (let ((.cse0 (<= ssl3_accept_~s__state~0 8512)) (.cse2 (not (= .cse4 (+ .cse5 8656)))) (.cse1 (<= ssl3_accept_~blastFlag~0 2)) (.cse3 (not (= .cse4 (+ .cse5 8672))))) (or (and .cse0 (not (= ssl3_accept_~s__hit~0 0)) .cse1) (and .cse0 (<= ssl3_accept_~blastFlag~0 0)) (and .cse0 (<= ssl3_accept_~blastFlag~0 1) .cse2 .cse3) (and .cse0 .cse2 .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse3))))) [2020-10-14 00:17:05,313 INFO L268 CegarLoopResult]: For program point L75(lines 75 83) no Hoare annotation was computed. [2020-10-14 00:17:05,314 INFO L268 CegarLoopResult]: For program point L406(lines 406 412) no Hoare annotation was computed. [2020-10-14 00:17:05,314 INFO L271 CegarLoopResult]: At program point ssl3_acceptENTRY(lines 9 676) the Hoare annotation is: true [2020-10-14 00:17:05,314 INFO L268 CegarLoopResult]: For program point L572(lines 572 582) no Hoare annotation was computed. [2020-10-14 00:17:05,314 INFO L268 CegarLoopResult]: For program point L572-1(lines 572 582) no Hoare annotation was computed. [2020-10-14 00:17:05,314 INFO L268 CegarLoopResult]: For program point L473(lines 473 477) no Hoare annotation was computed. [2020-10-14 00:17:05,314 INFO L268 CegarLoopResult]: For program point L275(lines 275 279) no Hoare annotation was computed. [2020-10-14 00:17:05,314 INFO L268 CegarLoopResult]: For program point L176(lines 176 602) no Hoare annotation was computed. [2020-10-14 00:17:05,314 INFO L268 CegarLoopResult]: For program point L143(lines 143 613) no Hoare annotation was computed. [2020-10-14 00:17:05,314 INFO L268 CegarLoopResult]: For program point L110(lines 110 624) no Hoare annotation was computed. [2020-10-14 00:17:05,314 INFO L268 CegarLoopResult]: For program point L507(lines 507 511) no Hoare annotation was computed. [2020-10-14 00:17:05,314 INFO L268 CegarLoopResult]: For program point L309(lines 309 317) no Hoare annotation was computed. [2020-10-14 00:17:05,314 INFO L271 CegarLoopResult]: At program point L210(lines 209 591) the Hoare annotation is: true [2020-10-14 00:17:05,315 INFO L268 CegarLoopResult]: For program point L78(lines 78 82) no Hoare annotation was computed. [2020-10-14 00:17:05,315 INFO L268 CegarLoopResult]: For program point L78-2(lines 75 83) no Hoare annotation was computed. [2020-10-14 00:17:05,315 INFO L271 CegarLoopResult]: At program point L673(lines 66 675) the Hoare annotation is: true [2020-10-14 00:17:05,315 INFO L268 CegarLoopResult]: For program point L640(lines 640 646) no Hoare annotation was computed. [2020-10-14 00:17:05,315 INFO L268 CegarLoopResult]: For program point L541(lines 541 546) no Hoare annotation was computed. [2020-10-14 00:17:05,315 INFO L268 CegarLoopResult]: For program point L575(lines 575 579) no Hoare annotation was computed. [2020-10-14 00:17:05,315 INFO L268 CegarLoopResult]: For program point L179(lines 179 601) no Hoare annotation was computed. [2020-10-14 00:17:05,315 INFO L268 CegarLoopResult]: For program point L146(lines 146 612) no Hoare annotation was computed. [2020-10-14 00:17:05,315 INFO L268 CegarLoopResult]: For program point L113(lines 113 623) no Hoare annotation was computed. [2020-10-14 00:17:05,315 INFO L268 CegarLoopResult]: For program point L312(lines 312 316) no Hoare annotation was computed. [2020-10-14 00:17:05,315 INFO L268 CegarLoopResult]: For program point L312-2(lines 211 588) no Hoare annotation was computed. [2020-10-14 00:17:05,315 INFO L264 CegarLoopResult]: At program point L180(lines 176 602) the Hoare annotation is: (let ((.cse7 (+ (* ssl3_accept_~ag_X~0 2) (* ssl3_accept_~ag_Y~0 2)))) (let ((.cse8 (* (div .cse7 4294967296) 4294967296))) (let ((.cse4 (<= ssl3_accept_~blastFlag~0 2)) (.cse0 (<= ssl3_accept_~s__state~0 8656)) (.cse2 (not (= ssl3_accept_~s__state~0 8640))) (.cse1 (<= 8512 ssl3_accept_~s__state~0)) (.cse3 (not (= .cse7 (+ .cse8 8656)))) (.cse5 (not (= ssl3_accept_~s__state~0 8656))) (.cse6 (not (= .cse7 (+ .cse8 8672))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse6) (and .cse0 .cse1 (not (= ssl3_accept_~s__hit~0 0)) .cse4) (and .cse0 .cse2 .cse1 .cse5 (<= ssl3_accept_~blastFlag~0 0)) (and (<= ssl3_accept_~blastFlag~0 1) .cse0 .cse2 .cse1 .cse3 .cse5 .cse6))))) [2020-10-14 00:17:05,316 INFO L264 CegarLoopResult]: At program point L147(lines 143 613) the Hoare annotation is: (let ((.cse0 (<= 8512 ssl3_accept_~s__state~0)) (.cse2 (<= ssl3_accept_~s__state~0 8528)) (.cse1 (<= ssl3_accept_~blastFlag~0 2))) (or (and (<= ssl3_accept_~s__state~0 8656) .cse0 (not (= ssl3_accept_~s__hit~0 0)) .cse1) (and .cse2 .cse0 (<= ssl3_accept_~blastFlag~0 0)) (let ((.cse3 (+ (* ssl3_accept_~ag_X~0 2) (* ssl3_accept_~ag_Y~0 2)))) (let ((.cse4 (* (div .cse3 4294967296) 4294967296))) (and .cse0 .cse2 (not (= .cse3 (+ .cse4 8656))) .cse1 (not (= .cse3 (+ .cse4 8672)))))))) [2020-10-14 00:17:05,316 INFO L271 CegarLoopResult]: At program point L214(lines 107 625) the Hoare annotation is: true [2020-10-14 00:17:05,316 INFO L268 CegarLoopResult]: For program point L512(lines 512 516) no Hoare annotation was computed. [2020-10-14 00:17:05,316 INFO L268 CegarLoopResult]: For program point L512-2(lines 512 516) no Hoare annotation was computed. [2020-10-14 00:17:05,316 INFO L268 CegarLoopResult]: For program point L446-1(lines 446 458) no Hoare annotation was computed. [2020-10-14 00:17:05,316 INFO L268 CegarLoopResult]: For program point L182(lines 182 600) no Hoare annotation was computed. [2020-10-14 00:17:05,316 INFO L268 CegarLoopResult]: For program point L149(lines 149 611) no Hoare annotation was computed. [2020-10-14 00:17:05,316 INFO L268 CegarLoopResult]: For program point L116(lines 116 622) no Hoare annotation was computed. [2020-10-14 00:17:05,316 INFO L264 CegarLoopResult]: At program point L414(lines 405 425) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8560)) (.cse1 (<= 8512 ssl3_accept_~s__state~0)) (.cse2 (<= ssl3_accept_~blastFlag~0 2))) (or (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 0)) (and (<= ssl3_accept_~s__state~0 8656) .cse1 (not (= ssl3_accept_~s__hit~0 0)) .cse2) (let ((.cse3 (+ (* ssl3_accept_~ag_X~0 2) (* ssl3_accept_~ag_Y~0 2)))) (let ((.cse4 (* (div .cse3 4294967296) 4294967296))) (and .cse0 .cse1 (not (= .cse3 (+ .cse4 8656))) .cse2 (not (= .cse3 (+ .cse4 8672)))))))) [2020-10-14 00:17:05,316 INFO L268 CegarLoopResult]: For program point L348(lines 348 352) no Hoare annotation was computed. [2020-10-14 00:17:05,317 INFO L268 CegarLoopResult]: For program point L348-2(lines 211 588) no Hoare annotation was computed. [2020-10-14 00:17:05,317 INFO L268 CegarLoopResult]: For program point L85(lines 85 93) no Hoare annotation was computed. [2020-10-14 00:17:05,317 INFO L268 CegarLoopResult]: For program point L85-1(lines 66 675) no Hoare annotation was computed. [2020-10-14 00:17:05,317 INFO L268 CegarLoopResult]: For program point L449(lines 449 454) no Hoare annotation was computed. [2020-10-14 00:17:05,317 INFO L268 CegarLoopResult]: For program point L185(lines 185 599) no Hoare annotation was computed. [2020-10-14 00:17:05,317 INFO L268 CegarLoopResult]: For program point L152(lines 152 610) no Hoare annotation was computed. [2020-10-14 00:17:05,317 INFO L268 CegarLoopResult]: For program point L119(lines 119 621) no Hoare annotation was computed. [2020-10-14 00:17:05,317 INFO L268 CegarLoopResult]: For program point L86(lines 86 90) no Hoare annotation was computed. [2020-10-14 00:17:05,317 INFO L268 CegarLoopResult]: For program point L417(lines 417 421) no Hoare annotation was computed. [2020-10-14 00:17:05,317 INFO L268 CegarLoopResult]: For program point L219(lines 219 223) no Hoare annotation was computed. [2020-10-14 00:17:05,318 INFO L264 CegarLoopResult]: At program point L186(lines 182 600) the Hoare annotation is: (let ((.cse7 (+ (* ssl3_accept_~ag_X~0 2) (* ssl3_accept_~ag_Y~0 2)))) (let ((.cse8 (* (div .cse7 4294967296) 4294967296))) (let ((.cse0 (<= ssl3_accept_~s__state~0 8656)) (.cse3 (not (= ssl3_accept_~s__state~0 8640))) (.cse1 (<= 8512 ssl3_accept_~s__state~0)) (.cse5 (not (= .cse7 (+ .cse8 8656)))) (.cse2 (<= ssl3_accept_~blastFlag~0 2)) (.cse4 (not (= ssl3_accept_~s__state~0 8656))) (.cse6 (not (= .cse7 (+ .cse8 8672))))) (or (and .cse0 .cse1 (not (= ssl3_accept_~s__hit~0 0)) .cse2) (and .cse0 .cse1 .cse3 .cse4 (<= ssl3_accept_~blastFlag~0 0)) (and (<= ssl3_accept_~blastFlag~0 1) .cse0 .cse3 .cse1 .cse5 .cse4 .cse6) (and .cse0 .cse3 .cse1 .cse5 .cse2 .cse4 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse6))))) [2020-10-14 00:17:05,318 INFO L264 CegarLoopResult]: At program point L153(lines 149 611) the Hoare annotation is: (let ((.cse2 (<= ssl3_accept_~s__state~0 8544)) (.cse0 (<= 8512 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~blastFlag~0 2))) (or (and (<= ssl3_accept_~s__state~0 8656) .cse0 (not (= ssl3_accept_~s__hit~0 0)) .cse1) (and .cse2 .cse0 (<= ssl3_accept_~blastFlag~0 0)) (let ((.cse3 (+ (* ssl3_accept_~ag_X~0 2) (* ssl3_accept_~ag_Y~0 2)))) (let ((.cse4 (* (div .cse3 4294967296) 4294967296))) (and .cse2 .cse0 (not (= .cse3 (+ .cse4 8656))) .cse1 (not (= .cse3 (+ .cse4 8672)))))))) [2020-10-14 00:17:05,318 INFO L268 CegarLoopResult]: For program point L219-2(lines 211 588) no Hoare annotation was computed. [2020-10-14 00:17:05,318 INFO L268 CegarLoopResult]: For program point L551(lines 551 555) no Hoare annotation was computed. [2020-10-14 00:17:05,318 INFO L268 CegarLoopResult]: For program point L485(lines 485 489) no Hoare annotation was computed. [2020-10-14 00:17:05,318 INFO L268 CegarLoopResult]: For program point L188(lines 188 598) no Hoare annotation was computed. [2020-10-14 00:17:05,318 INFO L268 CegarLoopResult]: For program point L155(lines 155 609) no Hoare annotation was computed. [2020-10-14 00:17:05,319 INFO L268 CegarLoopResult]: For program point L122(lines 122 620) no Hoare annotation was computed. [2020-10-14 00:17:05,319 INFO L264 CegarLoopResult]: At program point L552(lines 66 675) the Hoare annotation is: false [2020-10-14 00:17:05,319 INFO L268 CegarLoopResult]: For program point ssl3_acceptEXIT(lines 9 676) no Hoare annotation was computed. [2020-10-14 00:17:05,319 INFO L264 CegarLoopResult]: At program point L123(lines 119 621) the Hoare annotation is: (let ((.cse4 (+ (* ssl3_accept_~ag_X~0 2) (* ssl3_accept_~ag_Y~0 2)))) (let ((.cse5 (* (div .cse4 4294967296) 4294967296))) (let ((.cse0 (<= ssl3_accept_~s__state~0 8512)) (.cse2 (not (= .cse4 (+ .cse5 8656)))) (.cse1 (<= ssl3_accept_~blastFlag~0 2)) (.cse3 (not (= .cse4 (+ .cse5 8672))))) (or (and .cse0 (not (= ssl3_accept_~s__hit~0 0)) .cse1) (and .cse0 (<= ssl3_accept_~blastFlag~0 0)) (and .cse0 (<= ssl3_accept_~blastFlag~0 1) .cse2 .cse3) (and .cse0 .cse2 .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse3))))) [2020-10-14 00:17:05,319 INFO L268 CegarLoopResult]: For program point L256(lines 256 269) no Hoare annotation was computed. [2020-10-14 00:17:05,319 INFO L268 CegarLoopResult]: For program point L356(lines 356 387) no Hoare annotation was computed. [2020-10-14 00:17:05,319 INFO L268 CegarLoopResult]: For program point L323(lines 323 327) no Hoare annotation was computed. [2020-10-14 00:17:05,319 INFO L268 CegarLoopResult]: For program point L257(lines 257 262) no Hoare annotation was computed. [2020-10-14 00:17:05,320 INFO L268 CegarLoopResult]: For program point L323-2(lines 323 327) no Hoare annotation was computed. [2020-10-14 00:17:05,320 INFO L268 CegarLoopResult]: For program point L191(lines 191 597) no Hoare annotation was computed. [2020-10-14 00:17:05,320 INFO L268 CegarLoopResult]: For program point L158(lines 158 608) no Hoare annotation was computed. [2020-10-14 00:17:05,320 INFO L268 CegarLoopResult]: For program point L125(lines 125 619) no Hoare annotation was computed. [2020-10-14 00:17:05,320 INFO L268 CegarLoopResult]: For program point ssl3_acceptFINAL(lines 9 676) no Hoare annotation was computed. [2020-10-14 00:17:05,320 INFO L268 CegarLoopResult]: For program point L522(lines 522 527) no Hoare annotation was computed. [2020-10-14 00:17:05,320 INFO L264 CegarLoopResult]: At program point L192(lines 188 598) the Hoare annotation is: (let ((.cse7 (+ (* ssl3_accept_~ag_X~0 2) (* ssl3_accept_~ag_Y~0 2)))) (let ((.cse8 (* (div .cse7 4294967296) 4294967296))) (let ((.cse2 (not (= ssl3_accept_~s__hit~0 0))) (.cse0 (<= ssl3_accept_~s__state~0 8656)) (.cse1 (<= 8640 ssl3_accept_~s__state~0)) (.cse4 (not (= .cse7 (+ .cse8 8656)))) (.cse3 (<= ssl3_accept_~blastFlag~0 2)) (.cse5 (not (= ssl3_accept_~s__state~0 8656))) (.cse6 (not (= .cse7 (+ .cse8 8672))))) (or (and .cse0 .cse1 (<= 8640 ssl3_accept_~s__s3__tmp__next_state___0~0) .cse2 (<= ssl3_accept_~blastFlag~0 3)) (and .cse0 .cse1 .cse2 .cse3) (and (<= ssl3_accept_~blastFlag~0 1) .cse0 .cse1 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse5 (<= ssl3_accept_~blastFlag~0 0)) (and .cse0 .cse1 .cse4 .cse3 .cse5 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse6))))) [2020-10-14 00:17:05,320 INFO L264 CegarLoopResult]: At program point L159(lines 155 609) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8560)) (.cse1 (<= 8512 ssl3_accept_~s__state~0)) (.cse2 (<= ssl3_accept_~blastFlag~0 2))) (or (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 0)) (and (<= ssl3_accept_~s__state~0 8656) .cse1 (not (= ssl3_accept_~s__hit~0 0)) .cse2) (let ((.cse3 (+ (* ssl3_accept_~ag_X~0 2) (* ssl3_accept_~ag_Y~0 2)))) (let ((.cse4 (* (div .cse3 4294967296) 4294967296))) (and .cse0 .cse1 (not (= .cse3 (+ .cse4 8656))) .cse2 (not (= .cse3 (+ .cse4 8672)))))))) [2020-10-14 00:17:05,321 INFO L264 CegarLoopResult]: At program point L126(lines 125 619) the Hoare annotation is: (let ((.cse4 (+ (* ssl3_accept_~ag_X~0 2) (* ssl3_accept_~ag_Y~0 2)))) (let ((.cse5 (* (div .cse4 4294967296) 4294967296))) (let ((.cse0 (<= ssl3_accept_~s__state~0 8512)) (.cse2 (not (= .cse4 (+ .cse5 8656)))) (.cse1 (<= ssl3_accept_~blastFlag~0 2)) (.cse3 (not (= .cse4 (+ .cse5 8672))))) (or (and .cse0 (not (= ssl3_accept_~s__hit~0 0)) .cse1) (and .cse0 (<= ssl3_accept_~blastFlag~0 0)) (and .cse0 (<= ssl3_accept_~blastFlag~0 1) .cse2 .cse3) (and .cse0 .cse2 .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse3))))) [2020-10-14 00:17:05,321 INFO L264 CegarLoopResult]: At program point L589(lines 101 657) the Hoare annotation is: (let ((.cse20 (+ (* ssl3_accept_~ag_X~0 2) (* ssl3_accept_~ag_Y~0 2)))) (let ((.cse24 (div .cse20 4294967296))) (let ((.cse18 (= ssl3_accept_~s__hit~0 0)) (.cse21 (* .cse24 4294967296))) (let ((.cse6 (<= ssl3_accept_~s__state~0 8656)) (.cse12 (<= 8640 ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse11 (= ssl3_accept_~s__state~0 8672)) (.cse7 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse0 (<= ssl3_accept_~s__state~0 8560)) (.cse13 (<= ssl3_accept_~s__state~0 8448)) (.cse19 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 3)) (.cse10 (<= ssl3_accept_~blastFlag~0 1)) (.cse15 (let ((.cse23 (+ (* 2 ssl3_accept_~ag_X~0) (* 2 ssl3_accept_~ag_Y~0))) (.cse22 (+ (* 4294967296 .cse24) 2147483647))) (or (and (= (+ .cse21 ssl3_accept_~s__state~0 4294967296) .cse20) (< .cse22 .cse23)) (and (<= .cse23 .cse22) (= .cse20 (+ .cse21 ssl3_accept_~s__state~0)))))) (.cse1 (<= 8512 ssl3_accept_~s__state~0)) (.cse2 (not (= .cse20 (+ .cse21 8656)))) (.cse3 (<= ssl3_accept_~blastFlag~0 2)) (.cse5 (not (= .cse20 (+ .cse21 8672)))) (.cse8 (not .cse18)) (.cse9 (<= ssl3_accept_~blastFlag~0 3))) (or (and .cse0 .cse1 .cse2 .cse3 (let ((.cse4 (+ ssl3_accept_~s__verify_mode~0 1))) (= (* (div .cse4 4294967296) 4294967296) .cse4)) .cse5) (and .cse6 .cse2 .cse3 .cse7 .cse5) (and (<= 8656 ssl3_accept_~s__state~0) .cse6 .cse8 .cse9) (and .cse10 .cse11) (and .cse12 .cse8 .cse13 .cse9) (and .cse8 .cse3) (<= ssl3_accept_~blastFlag~0 0) (and (<= 8640 ssl3_accept_~s__state~0) .cse12 .cse8 .cse9) (and .cse0 .cse1 .cse2 (not (= ssl3_accept_~s__session__peer~0 0)) .cse3 (not (let ((.cse14 (+ ssl3_accept_~s__verify_mode~0 4))) (= .cse14 (* (div .cse14 4294967296) 4294967296)))) .cse5) (and .cse2 .cse11 .cse9 .cse7 .cse5) (and .cse10 .cse2 .cse5) (and .cse3 .cse15 (not (= ssl3_accept_~s__state~0 8656)) .cse7 .cse5) (and .cse0 (let ((.cse16 (+ ssl3_accept_~s__verify_mode~0 2))) (= (* (div .cse16 4294967296) 4294967296) .cse16)) .cse1 .cse2 .cse3 (not (let ((.cse17 (+ ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0 256))) (= (* (div .cse17 4294967296) 4294967296) .cse17))) .cse5) (and .cse18 .cse2 .cse13 .cse9 .cse19 .cse5) (and .cse10 .cse13 .cse19) (and .cse10 .cse15) (and (<= ssl3_accept_~s__state~0 8544) .cse1 .cse2 .cse3 .cse5) (and .cse8 .cse9 (<= 8672 ssl3_accept_~s__state~0))))))) [2020-10-14 00:17:05,321 INFO L268 CegarLoopResult]: For program point L556(lines 556 560) no Hoare annotation was computed. [2020-10-14 00:17:05,321 INFO L268 CegarLoopResult]: For program point L292(lines 292 296) no Hoare annotation was computed. [2020-10-14 00:17:05,321 INFO L268 CegarLoopResult]: For program point L292-2(lines 211 588) no Hoare annotation was computed. [2020-10-14 00:17:05,322 INFO L268 CegarLoopResult]: For program point L359(lines 359 386) no Hoare annotation was computed. [2020-10-14 00:17:05,322 INFO L268 CegarLoopResult]: For program point L359-1(lines 359 386) no Hoare annotation was computed. [2020-10-14 00:17:05,322 INFO L268 CegarLoopResult]: For program point L194(lines 194 596) no Hoare annotation was computed. [2020-10-14 00:17:05,322 INFO L268 CegarLoopResult]: For program point L161(lines 161 607) no Hoare annotation was computed. [2020-10-14 00:17:05,322 INFO L268 CegarLoopResult]: For program point L128(lines 128 618) no Hoare annotation was computed. [2020-10-14 00:17:05,322 INFO L268 CegarLoopResult]: For program point L360(lines 360 383) no Hoare annotation was computed. [2020-10-14 00:17:05,322 INFO L271 CegarLoopResult]: At program point L658(lines 100 659) the Hoare annotation is: true [2020-10-14 00:17:05,322 INFO L268 CegarLoopResult]: For program point L395(lines 395 426) no Hoare annotation was computed. [2020-10-14 00:17:05,322 INFO L268 CegarLoopResult]: For program point L197(lines 197 595) no Hoare annotation was computed. [2020-10-14 00:17:05,322 INFO L268 CegarLoopResult]: For program point L164(lines 164 606) no Hoare annotation was computed. [2020-10-14 00:17:05,323 INFO L268 CegarLoopResult]: For program point L131(lines 131 617) no Hoare annotation was computed. [2020-10-14 00:17:05,323 INFO L268 CegarLoopResult]: For program point ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION(line 669) no Hoare annotation was computed. [2020-10-14 00:17:05,323 INFO L268 CegarLoopResult]: For program point L627(lines 627 655) no Hoare annotation was computed. [2020-10-14 00:17:05,323 INFO L268 CegarLoopResult]: For program point L396(lines 396 402) no Hoare annotation was computed. [2020-10-14 00:17:05,323 INFO L268 CegarLoopResult]: For program point L363(lines 363 382) no Hoare annotation was computed. [2020-10-14 00:17:05,323 INFO L268 CegarLoopResult]: For program point L231(lines 231 248) no Hoare annotation was computed. [2020-10-14 00:17:05,323 INFO L264 CegarLoopResult]: At program point L198(lines 194 596) the Hoare annotation is: (let ((.cse4 (+ (* ssl3_accept_~ag_X~0 2) (* ssl3_accept_~ag_Y~0 2)))) (let ((.cse5 (* (div .cse4 4294967296) 4294967296))) (let ((.cse3 (not (= .cse4 (+ .cse5 8672)))) (.cse1 (<= 8656 ssl3_accept_~s__state~0)) (.cse0 (or (<= 8674 ssl3_accept_~s__state~0) (<= ssl3_accept_~s__state~0 8672))) (.cse2 (not (= ssl3_accept_~s__state~0 8672)))) (or (and (<= ssl3_accept_~blastFlag~0 1) .cse0 .cse1 .cse2 .cse3) (and .cse1 (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~blastFlag~0 3)) (and .cse1 .cse0 (not (= .cse4 (+ .cse5 8656))) (<= ssl3_accept_~blastFlag~0 2) .cse2 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse3) (and .cse1 .cse0 (<= ssl3_accept_~blastFlag~0 0) .cse2))))) [2020-10-14 00:17:05,324 INFO L264 CegarLoopResult]: At program point L165(lines 161 607) the Hoare annotation is: (let ((.cse9 (+ (* ssl3_accept_~ag_X~0 2) (* ssl3_accept_~ag_Y~0 2)))) (let ((.cse10 (* (div .cse9 4294967296) 4294967296))) (let ((.cse2 (not (= .cse9 (+ .cse10 8656)))) (.cse3 (<= ssl3_accept_~blastFlag~0 2)) (.cse5 (not (= .cse9 (+ .cse10 8672)))) (.cse0 (<= ssl3_accept_~s__state~0 8576)) (.cse1 (<= 8512 ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 (not (= ssl3_accept_~s__session__peer~0 0)) .cse2 .cse3 (not (let ((.cse4 (+ ssl3_accept_~s__verify_mode~0 4))) (= .cse4 (* (div .cse4 4294967296) 4294967296)))) .cse5) (and .cse0 (<= ssl3_accept_~blastFlag~0 1) .cse1 .cse2 .cse5) (and (<= ssl3_accept_~s__state~0 8656) .cse1 (not (= ssl3_accept_~s__hit~0 0)) .cse3) (and .cse0 .cse1 .cse2 .cse3 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse5) (and .cse0 .cse1 .cse2 .cse3 (let ((.cse6 (+ ssl3_accept_~s__verify_mode~0 1))) (= (* (div .cse6 4294967296) 4294967296) .cse6)) .cse5) (and .cse0 (let ((.cse7 (+ ssl3_accept_~s__verify_mode~0 2))) (= (* (div .cse7 4294967296) 4294967296) .cse7)) .cse1 .cse2 .cse3 (not (let ((.cse8 (+ ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0 256))) (= (* (div .cse8 4294967296) 4294967296) .cse8))) .cse5) (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 0)))))) [2020-10-14 00:17:05,324 INFO L268 CegarLoopResult]: For program point L231-2(lines 211 588) no Hoare annotation was computed. [2020-10-14 00:17:05,324 INFO L268 CegarLoopResult]: For program point L628(lines 628 652) no Hoare annotation was computed. [2020-10-14 00:17:05,324 INFO L268 CegarLoopResult]: For program point L562(lines 562 566) no Hoare annotation was computed. [2020-10-14 00:17:05,324 INFO L268 CegarLoopResult]: For program point L529(lines 529 533) no Hoare annotation was computed. [2020-10-14 00:17:05,324 INFO L268 CegarLoopResult]: For program point L496(lines 496 500) no Hoare annotation was computed. [2020-10-14 00:17:05,324 INFO L268 CegarLoopResult]: For program point L562-2(lines 562 566) no Hoare annotation was computed. [2020-10-14 00:17:05,324 INFO L268 CegarLoopResult]: For program point L529-2(lines 211 588) no Hoare annotation was computed. [2020-10-14 00:17:05,324 INFO L268 CegarLoopResult]: For program point L364(lines 364 368) no Hoare annotation was computed. [2020-10-14 00:17:05,325 INFO L268 CegarLoopResult]: For program point L364-2(lines 363 380) no Hoare annotation was computed. [2020-10-14 00:17:05,325 INFO L268 CegarLoopResult]: For program point L662(lines 662 666) no Hoare annotation was computed. [2020-10-14 00:17:05,325 INFO L268 CegarLoopResult]: For program point L629(lines 629 638) no Hoare annotation was computed. [2020-10-14 00:17:05,325 INFO L268 CegarLoopResult]: For program point L662-2(lines 662 666) no Hoare annotation was computed. [2020-10-14 00:17:05,325 INFO L268 CegarLoopResult]: For program point L629-2(lines 628 650) no Hoare annotation was computed. [2020-10-14 00:17:05,325 INFO L268 CegarLoopResult]: For program point L464(lines 464 468) no Hoare annotation was computed. [2020-10-14 00:17:05,325 INFO L268 CegarLoopResult]: For program point L332-1(lines 332 341) no Hoare annotation was computed. [2020-10-14 00:17:05,325 INFO L268 CegarLoopResult]: For program point L233(lines 233 238) no Hoare annotation was computed. [2020-10-14 00:17:05,325 INFO L268 CegarLoopResult]: For program point L200(lines 200 594) no Hoare annotation was computed. [2020-10-14 00:17:05,325 INFO L268 CegarLoopResult]: For program point L167(lines 167 605) no Hoare annotation was computed. [2020-10-14 00:17:05,326 INFO L268 CegarLoopResult]: For program point L134(lines 134 616) no Hoare annotation was computed. [2020-10-14 00:17:05,326 INFO L264 CegarLoopResult]: At program point L101-2(lines 101 657) the Hoare annotation is: (let ((.cse20 (+ (* ssl3_accept_~ag_X~0 2) (* ssl3_accept_~ag_Y~0 2)))) (let ((.cse24 (div .cse20 4294967296))) (let ((.cse18 (= ssl3_accept_~s__hit~0 0)) (.cse21 (* .cse24 4294967296))) (let ((.cse6 (<= ssl3_accept_~s__state~0 8656)) (.cse12 (<= 8640 ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse11 (= ssl3_accept_~s__state~0 8672)) (.cse7 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse0 (<= ssl3_accept_~s__state~0 8560)) (.cse13 (<= ssl3_accept_~s__state~0 8448)) (.cse19 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 3)) (.cse10 (<= ssl3_accept_~blastFlag~0 1)) (.cse15 (let ((.cse23 (+ (* 2 ssl3_accept_~ag_X~0) (* 2 ssl3_accept_~ag_Y~0))) (.cse22 (+ (* 4294967296 .cse24) 2147483647))) (or (and (= (+ .cse21 ssl3_accept_~s__state~0 4294967296) .cse20) (< .cse22 .cse23)) (and (<= .cse23 .cse22) (= .cse20 (+ .cse21 ssl3_accept_~s__state~0)))))) (.cse1 (<= 8512 ssl3_accept_~s__state~0)) (.cse2 (not (= .cse20 (+ .cse21 8656)))) (.cse3 (<= ssl3_accept_~blastFlag~0 2)) (.cse5 (not (= .cse20 (+ .cse21 8672)))) (.cse8 (not .cse18)) (.cse9 (<= ssl3_accept_~blastFlag~0 3))) (or (and .cse0 .cse1 .cse2 .cse3 (let ((.cse4 (+ ssl3_accept_~s__verify_mode~0 1))) (= (* (div .cse4 4294967296) 4294967296) .cse4)) .cse5) (and .cse6 .cse2 .cse3 .cse7 .cse5) (and (<= 8656 ssl3_accept_~s__state~0) .cse6 .cse8 .cse9) (and .cse10 .cse11) (and .cse12 .cse8 .cse13 .cse9) (and .cse8 .cse3) (<= ssl3_accept_~blastFlag~0 0) (and (<= 8640 ssl3_accept_~s__state~0) .cse12 .cse8 .cse9) (and .cse0 .cse1 .cse2 (not (= ssl3_accept_~s__session__peer~0 0)) .cse3 (not (let ((.cse14 (+ ssl3_accept_~s__verify_mode~0 4))) (= .cse14 (* (div .cse14 4294967296) 4294967296)))) .cse5) (and .cse2 .cse11 .cse9 .cse7 .cse5) (and .cse10 .cse2 .cse5) (and .cse3 .cse15 (not (= ssl3_accept_~s__state~0 8656)) .cse7 .cse5) (and .cse0 (let ((.cse16 (+ ssl3_accept_~s__verify_mode~0 2))) (= (* (div .cse16 4294967296) 4294967296) .cse16)) .cse1 .cse2 .cse3 (not (let ((.cse17 (+ ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0 256))) (= (* (div .cse17 4294967296) 4294967296) .cse17))) .cse5) (and .cse18 .cse2 .cse13 .cse9 .cse19 .cse5) (and .cse10 .cse13 .cse19) (and .cse10 .cse15) (and (<= ssl3_accept_~s__state~0 8544) .cse1 .cse2 .cse3 .cse5) (and .cse8 .cse9 (<= 8672 ssl3_accept_~s__state~0))))))) [2020-10-14 00:17:05,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 12:17:05 BoogieIcfgContainer [2020-10-14 00:17:05,381 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 00:17:05,382 INFO L168 Benchmark]: Toolchain (without parser) took 226561.53 ms. Allocated memory was 147.3 MB in the beginning and 3.4 GB in the end (delta: 3.2 GB). Free memory was 102.5 MB in the beginning and 729.8 MB in the end (delta: -627.3 MB). Peak memory consumption was 2.8 GB. Max. memory is 7.1 GB. [2020-10-14 00:17:05,383 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 147.3 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-14 00:17:05,384 INFO L168 Benchmark]: CACSL2BoogieTranslator took 608.95 ms. Allocated memory was 147.3 MB in the beginning and 205.0 MB in the end (delta: 57.7 MB). Free memory was 102.3 MB in the beginning and 180.1 MB in the end (delta: -77.8 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. [2020-10-14 00:17:05,384 INFO L168 Benchmark]: Boogie Preprocessor took 81.89 ms. Allocated memory is still 205.0 MB. Free memory was 180.1 MB in the beginning and 177.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2020-10-14 00:17:05,384 INFO L168 Benchmark]: RCFGBuilder took 771.84 ms. Allocated memory is still 205.0 MB. Free memory was 177.1 MB in the beginning and 128.1 MB in the end (delta: 48.9 MB). Peak memory consumption was 48.9 MB. Max. memory is 7.1 GB. [2020-10-14 00:17:05,385 INFO L168 Benchmark]: TraceAbstraction took 225094.02 ms. Allocated memory was 205.0 MB in the beginning and 3.4 GB in the end (delta: 3.2 GB). Free memory was 127.5 MB in the beginning and 729.8 MB in the end (delta: -602.3 MB). Peak memory consumption was 2.8 GB. Max. memory is 7.1 GB. [2020-10-14 00:17:05,386 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 147.3 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 608.95 ms. Allocated memory was 147.3 MB in the beginning and 205.0 MB in the end (delta: 57.7 MB). Free memory was 102.3 MB in the beginning and 180.1 MB in the end (delta: -77.8 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 81.89 ms. Allocated memory is still 205.0 MB. Free memory was 180.1 MB in the beginning and 177.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 771.84 ms. Allocated memory is still 205.0 MB. Free memory was 177.1 MB in the beginning and 128.1 MB in the end (delta: 48.9 MB). Peak memory consumption was 48.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 225094.02 ms. Allocated memory was 205.0 MB in the beginning and 3.4 GB in the end (delta: 3.2 GB). Free memory was 127.5 MB in the beginning and 729.8 MB in the end (delta: -602.3 MB). Peak memory consumption was 2.8 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 669]: 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: 200]: Loop Invariant Derived loop invariant: ((((blastFlag <= 0 && 8672 <= s__state) || ((((!(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8656) && s__state == 8672) && blastFlag <= 3) && s__s3__tmp__next_state___0 <= 8576) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672))) || (blastFlag <= 1 && s__state == 8672)) || (((blastFlag <= 1 && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8656)) && 8672 <= s__state) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672))) || ((!(s__hit == 0) && blastFlag <= 3) && 8672 <= s__state) - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: ((((s__state <= 8656 && 8512 <= s__state) && !(s__hit == 0)) && blastFlag <= 2) || ((s__state <= 8544 && 8512 <= s__state) && blastFlag <= 0)) || ((((s__state <= 8544 && 8512 <= s__state) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8656)) && blastFlag <= 2) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672)) - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: (((((s__state <= 8656 && 8512 <= s__state) && !(s__hit == 0)) && blastFlag <= 2) || ((((s__state <= 8656 && 8512 <= s__state) && !(s__state == 8640)) && !(s__state == 8656)) && blastFlag <= 0)) || ((((((blastFlag <= 1 && s__state <= 8656) && !(s__state == 8640)) && 8512 <= s__state) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8656)) && !(s__state == 8656)) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672))) || (((((((s__state <= 8656 && !(s__state == 8640)) && 8512 <= s__state) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8656)) && blastFlag <= 2) && !(s__state == 8656)) && s__s3__tmp__next_state___0 <= 8576) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672)) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((((((!(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8656) && blastFlag <= 2) && s__state <= 8466) && s__s3__tmp__next_state___0 <= 8576) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672)) || ((s__state <= 8512 && !(s__hit == 0)) && blastFlag <= 2)) || (s__state <= 8466 && blastFlag <= 0)) || (((blastFlag <= 1 && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8656)) && s__state <= 8466) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672)) - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: (((((((!(s__hit == 0) && blastFlag <= 2) && s__state <= 8448) || (((blastFlag <= 1 && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8656)) && s__state <= 8448) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672))) || (((((s__hit == 0 && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8656)) && s__state <= 8448) && blastFlag <= 3) && s__s3__tmp__next_state___0 <= 3) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672))) || ((blastFlag <= 1 && s__state <= 8448) && s__s3__tmp__next_state___0 <= 3)) || (((8640 <= s__s3__tmp__next_state___0 && !(s__hit == 0)) && s__state <= 8448) && blastFlag <= 3)) || (s__state <= 8448 && blastFlag <= 0)) || ((((!(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8656) && blastFlag <= 2) && s__state <= 8448) && s__s3__tmp__next_state___0 <= 8576) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672)) - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: ((((s__state <= 8512 && !(s__hit == 0)) && blastFlag <= 2) || (s__state <= 8512 && blastFlag <= 0)) || (((s__state <= 8512 && blastFlag <= 1) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8656)) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672))) || ((((s__state <= 8512 && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8656)) && blastFlag <= 2) && s__s3__tmp__next_state___0 <= 8576) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672)) - InvariantResult [Line: 395]: Loop Invariant Derived loop invariant: (((s__state <= 8560 && 8512 <= s__state) && blastFlag <= 0) || (((s__state <= 8656 && 8512 <= s__state) && !(s__hit == 0)) && blastFlag <= 2)) || ((((s__state <= 8560 && 8512 <= s__state) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8656)) && blastFlag <= 2) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672)) - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: (((s__state <= 8560 && 8512 <= s__state) && blastFlag <= 0) || (((s__state <= 8656 && 8512 <= s__state) && !(s__hit == 0)) && blastFlag <= 2)) || ((((s__state <= 8560 && 8512 <= s__state) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8656)) && blastFlag <= 2) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672)) - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: (((((((s__state <= 8656 && 8640 <= s__state) && 8640 <= s__s3__tmp__next_state___0) && !(s__hit == 0)) && blastFlag <= 3) || (((s__state <= 8656 && 8640 <= s__state) && !(s__hit == 0)) && blastFlag <= 2)) || (((((blastFlag <= 1 && s__state <= 8656) && 8640 <= s__state) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8656)) && !(s__state == 8656)) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672))) || (((s__state <= 8656 && 8640 <= s__state) && !(s__state == 8656)) && blastFlag <= 0)) || ((((((s__state <= 8656 && 8640 <= s__state) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8656)) && blastFlag <= 2) && !(s__state == 8656)) && s__s3__tmp__next_state___0 <= 8576) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672)) - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (((((((((((((((((((((s__state <= 8560 && 8512 <= s__state) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8656)) && blastFlag <= 2) && (s__verify_mode + 1) / 4294967296 * 4294967296 == s__verify_mode + 1) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672)) || ((((s__state <= 8656 && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8656)) && blastFlag <= 2) && s__s3__tmp__next_state___0 <= 8576) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672))) || (((8656 <= s__state && s__state <= 8656) && !(s__hit == 0)) && blastFlag <= 3)) || (blastFlag <= 1 && s__state == 8672)) || (((8640 <= s__s3__tmp__next_state___0 && !(s__hit == 0)) && s__state <= 8448) && blastFlag <= 3)) || (!(s__hit == 0) && blastFlag <= 2)) || blastFlag <= 0) || (((8640 <= s__state && 8640 <= s__s3__tmp__next_state___0) && !(s__hit == 0)) && blastFlag <= 3)) || ((((((s__state <= 8560 && 8512 <= s__state) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8656)) && !(s__session__peer == 0)) && blastFlag <= 2) && !(s__verify_mode + 4 == (s__verify_mode + 4) / 4294967296 * 4294967296)) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672))) || ((((!(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8656) && s__state == 8672) && blastFlag <= 3) && s__s3__tmp__next_state___0 <= 8576) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672))) || ((blastFlag <= 1 && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8656)) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672))) || ((((blastFlag <= 2 && (((ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + s__state + 4294967296 == ag_X * 2 + ag_Y * 2 && 4294967296 * ((ag_X * 2 + ag_Y * 2) / 4294967296) + 2147483647 < 2 * ag_X + 2 * ag_Y) || (2 * ag_X + 2 * ag_Y <= 4294967296 * ((ag_X * 2 + ag_Y * 2) / 4294967296) + 2147483647 && ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + s__state))) && !(s__state == 8656)) && s__s3__tmp__next_state___0 <= 8576) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672))) || ((((((s__state <= 8560 && (s__verify_mode + 2) / 4294967296 * 4294967296 == s__verify_mode + 2) && 8512 <= s__state) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8656)) && blastFlag <= 2) && !((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296 * 4294967296 == s__s3__tmp__new_cipher__algorithms + 256)) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672))) || (((((s__hit == 0 && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8656)) && s__state <= 8448) && blastFlag <= 3) && s__s3__tmp__next_state___0 <= 3) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672))) || ((blastFlag <= 1 && s__state <= 8448) && s__s3__tmp__next_state___0 <= 3)) || (blastFlag <= 1 && (((ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + s__state + 4294967296 == ag_X * 2 + ag_Y * 2 && 4294967296 * ((ag_X * 2 + ag_Y * 2) / 4294967296) + 2147483647 < 2 * ag_X + 2 * ag_Y) || (2 * ag_X + 2 * ag_Y <= 4294967296 * ((ag_X * 2 + ag_Y * 2) / 4294967296) + 2147483647 && ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + s__state)))) || ((((s__state <= 8544 && 8512 <= s__state) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8656)) && blastFlag <= 2) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672))) || ((!(s__hit == 0) && blastFlag <= 3) && 8672 <= s__state) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: ((((s__state <= 8512 && !(s__hit == 0)) && blastFlag <= 2) || (s__state <= 8512 && blastFlag <= 0)) || (((s__state <= 8512 && blastFlag <= 1) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8656)) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672))) || ((((s__state <= 8512 && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8656)) && blastFlag <= 2) && s__s3__tmp__next_state___0 <= 8576) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672)) - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (((((((((((((((((((((s__state <= 8560 && 8512 <= s__state) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8656)) && blastFlag <= 2) && (s__verify_mode + 1) / 4294967296 * 4294967296 == s__verify_mode + 1) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672)) || ((((s__state <= 8656 && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8656)) && blastFlag <= 2) && s__s3__tmp__next_state___0 <= 8576) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672))) || (((8656 <= s__state && s__state <= 8656) && !(s__hit == 0)) && blastFlag <= 3)) || (blastFlag <= 1 && s__state == 8672)) || (((8640 <= s__s3__tmp__next_state___0 && !(s__hit == 0)) && s__state <= 8448) && blastFlag <= 3)) || (!(s__hit == 0) && blastFlag <= 2)) || blastFlag <= 0) || (((8640 <= s__state && 8640 <= s__s3__tmp__next_state___0) && !(s__hit == 0)) && blastFlag <= 3)) || ((((((s__state <= 8560 && 8512 <= s__state) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8656)) && !(s__session__peer == 0)) && blastFlag <= 2) && !(s__verify_mode + 4 == (s__verify_mode + 4) / 4294967296 * 4294967296)) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672))) || ((((!(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8656) && s__state == 8672) && blastFlag <= 3) && s__s3__tmp__next_state___0 <= 8576) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672))) || ((blastFlag <= 1 && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8656)) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672))) || ((((blastFlag <= 2 && (((ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + s__state + 4294967296 == ag_X * 2 + ag_Y * 2 && 4294967296 * ((ag_X * 2 + ag_Y * 2) / 4294967296) + 2147483647 < 2 * ag_X + 2 * ag_Y) || (2 * ag_X + 2 * ag_Y <= 4294967296 * ((ag_X * 2 + ag_Y * 2) / 4294967296) + 2147483647 && ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + s__state))) && !(s__state == 8656)) && s__s3__tmp__next_state___0 <= 8576) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672))) || ((((((s__state <= 8560 && (s__verify_mode + 2) / 4294967296 * 4294967296 == s__verify_mode + 2) && 8512 <= s__state) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8656)) && blastFlag <= 2) && !((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296 * 4294967296 == s__s3__tmp__new_cipher__algorithms + 256)) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672))) || (((((s__hit == 0 && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8656)) && s__state <= 8448) && blastFlag <= 3) && s__s3__tmp__next_state___0 <= 3) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672))) || ((blastFlag <= 1 && s__state <= 8448) && s__s3__tmp__next_state___0 <= 3)) || (blastFlag <= 1 && (((ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + s__state + 4294967296 == ag_X * 2 + ag_Y * 2 && 4294967296 * ((ag_X * 2 + ag_Y * 2) / 4294967296) + 2147483647 < 2 * ag_X + 2 * ag_Y) || (2 * ag_X + 2 * ag_Y <= 4294967296 * ((ag_X * 2 + ag_Y * 2) / 4294967296) + 2147483647 && ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + s__state)))) || ((((s__state <= 8544 && 8512 <= s__state) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8656)) && blastFlag <= 2) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672))) || ((!(s__hit == 0) && blastFlag <= 3) && 8672 <= s__state) - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: (((((s__state <= 8656 && 8512 <= s__state) && !(s__hit == 0)) && blastFlag <= 2) || ((((blastFlag <= 1 && 8512 <= s__state) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8656)) && s__state <= 8592) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672))) || ((8512 <= s__state && s__state <= 8592) && blastFlag <= 0)) || (((((8512 <= s__state && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8656)) && blastFlag <= 2) && s__state <= 8592) && s__s3__tmp__next_state___0 <= 8576) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672)) - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: (((((((((((s__state <= 8576 && 8512 <= s__state) && !(s__session__peer == 0)) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8656)) && blastFlag <= 2) && !(s__verify_mode + 4 == (s__verify_mode + 4) / 4294967296 * 4294967296)) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672)) || ((((s__state <= 8576 && blastFlag <= 1) && 8512 <= s__state) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8656)) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672))) || (((s__state <= 8656 && 8512 <= s__state) && !(s__hit == 0)) && blastFlag <= 2)) || (((((s__state <= 8576 && 8512 <= s__state) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8656)) && blastFlag <= 2) && s__s3__tmp__next_state___0 <= 8576) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672))) || (((((s__state <= 8576 && 8512 <= s__state) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8656)) && blastFlag <= 2) && (s__verify_mode + 1) / 4294967296 * 4294967296 == s__verify_mode + 1) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672))) || ((((((s__state <= 8576 && (s__verify_mode + 2) / 4294967296 * 4294967296 == s__verify_mode + 2) && 8512 <= s__state) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8656)) && blastFlag <= 2) && !((s__s3__tmp__new_cipher__algorithms + 256) / 4294967296 * 4294967296 == s__s3__tmp__new_cipher__algorithms + 256)) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672))) || ((s__state <= 8576 && 8512 <= s__state) && blastFlag <= 0) - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: ((((s__state <= 8512 && !(s__hit == 0)) && blastFlag <= 2) || (s__state <= 8512 && blastFlag <= 0)) || (((s__state <= 8512 && blastFlag <= 1) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8656)) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672))) || ((((s__state <= 8512 && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8656)) && blastFlag <= 2) && s__s3__tmp__next_state___0 <= 8576) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672)) - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: ((((((blastFlag <= 1 && (8674 <= s__state || s__state <= 8672)) && 8656 <= s__state) && !(s__state == 8672)) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672)) || ((8656 <= s__state && !(s__hit == 0)) && blastFlag <= 3)) || ((((((8656 <= s__state && (8674 <= s__state || s__state <= 8672)) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8656)) && blastFlag <= 2) && !(s__state == 8672)) && s__s3__tmp__next_state___0 <= 8576) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672))) || (((8656 <= s__state && (8674 <= s__state || s__state <= 8672)) && blastFlag <= 0) && !(s__state == 8672)) - InvariantResult [Line: 353]: Loop Invariant Derived loop invariant: ((((s__state <= 8656 && 8512 <= s__state) && !(s__hit == 0)) && blastFlag <= 2) || ((s__state <= 8544 && 8512 <= s__state) && blastFlag <= 0)) || ((((s__state <= 8544 && 8512 <= s__state) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8656)) && blastFlag <= 2) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672)) - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: ((((s__state <= 8656 && 8512 <= s__state) && !(s__hit == 0)) && blastFlag <= 2) || ((s__state <= 8528 && 8512 <= s__state) && blastFlag <= 0)) || ((((8512 <= s__state && s__state <= 8528) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8656)) && blastFlag <= 2) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672)) - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: (((s__state <= 8560 && 8512 <= s__state) && blastFlag <= 0) || (((s__state <= 8656 && 8512 <= s__state) && !(s__hit == 0)) && blastFlag <= 2)) || ((((s__state <= 8560 && 8512 <= s__state) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8656)) && blastFlag <= 2) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672)) - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: (((((((((s__state <= 8656 && 8512 <= s__state) && !(s__state == 8640)) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8656)) && blastFlag <= 2) && !(s__state == 8656)) && s__s3__tmp__next_state___0 <= 8576) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672)) || (((s__state <= 8656 && 8512 <= s__state) && !(s__hit == 0)) && blastFlag <= 2)) || ((((s__state <= 8656 && !(s__state == 8640)) && 8512 <= s__state) && !(s__state == 8656)) && blastFlag <= 0)) || ((((((blastFlag <= 1 && s__state <= 8656) && !(s__state == 8640)) && 8512 <= s__state) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8656)) && !(s__state == 8656)) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 146 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 123.9s, OverallIterations: 31, TraceHistogramMax: 21, AutomataDifference: 24.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 101.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 7757 SDtfs, 3235 SDslu, 5565 SDs, 0 SdLazy, 4925 SolverSat, 796 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 188 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=122061occurred in iteration=29, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 18.1s AutomataMinimizationTime, 31 MinimizatonAttempts, 45062 StatesRemovedByMinimization, 25 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 33 PreInvPairs, 5840 NumberOfFragments, 3971 HoareAnnotationTreeSize, 33 FomulaSimplifications, 2037376 FormulaSimplificationTreeSizeReduction, 53.0s HoareSimplificationTime, 33 FomulaSimplificationsInter, 796571 FormulaSimplificationTreeSizeReductionInter, 47.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 70.5s InterpolantComputationTime, 10585 NumberOfCodeBlocks, 10585 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 10554 ConstructedInterpolants, 0 QuantifiedInterpolants, 32586422 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 31 InterpolantComputations, 23 PerfectInterpolantSequences, 46974/48862 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...