/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=BIGGEST --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/recursive-simple/fibo_2calls_5-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 18:21:51,915 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 18:21:51,919 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 18:21:51,955 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 18:21:51,956 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 18:21:51,957 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 18:21:51,958 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 18:21:51,960 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 18:21:51,962 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 18:21:51,962 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 18:21:51,963 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 18:21:51,965 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 18:21:51,965 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 18:21:51,966 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 18:21:51,967 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 18:21:51,968 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 18:21:51,969 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 18:21:51,970 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 18:21:51,971 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 18:21:51,973 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 18:21:51,974 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 18:21:51,975 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 18:21:51,976 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 18:21:51,977 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 18:21:51,979 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 18:21:51,979 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 18:21:51,980 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 18:21:51,981 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 18:21:51,981 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 18:21:51,982 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 18:21:51,982 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 18:21:51,983 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 18:21:51,984 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 18:21:51,984 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 18:21:51,985 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 18:21:51,985 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 18:21:51,986 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 18:21:51,986 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 18:21:51,986 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 18:21:51,987 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 18:21:51,988 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 18:21:51,989 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 [2020-10-12 18:21:52,010 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 18:21:52,010 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 18:21:52,012 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 18:21:52,012 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 18:21:52,012 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 18:21:52,012 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 18:21:52,013 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 18:21:52,013 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 18:21:52,013 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 18:21:52,013 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 18:21:52,013 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 18:21:52,013 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 18:21:52,014 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 18:21:52,014 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 18:21:52,014 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 18:21:52,014 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 18:21:52,014 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 18:21:52,015 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 18:21:52,015 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 18:21:52,015 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 18:21:52,015 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 18:21:52,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 18:21:52,016 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 18:21:52,016 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 18:21:52,016 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 18:21:52,016 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 18:21:52,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 18:21:52,016 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 18:21:52,017 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 18:21:52,017 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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 18:21:52,326 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 18:21:52,344 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 18:21:52,349 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 18:21:52,351 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 18:21:52,352 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 18:21:52,353 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_5-1.c [2020-10-12 18:21:52,409 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5e16da0da/9ea00110b94544b591b0bf87f2efd17f/FLAGdec1dcdde [2020-10-12 18:21:52,877 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 18:21:52,878 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_2calls_5-1.c [2020-10-12 18:21:52,886 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5e16da0da/9ea00110b94544b591b0bf87f2efd17f/FLAGdec1dcdde [2020-10-12 18:21:53,265 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5e16da0da/9ea00110b94544b591b0bf87f2efd17f [2020-10-12 18:21:53,274 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 18:21:53,276 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 18:21:53,277 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 18:21:53,277 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 18:21:53,282 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 18:21:53,283 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 06:21:53" (1/1) ... [2020-10-12 18:21:53,286 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2356d200 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:21:53, skipping insertion in model container [2020-10-12 18:21:53,286 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 06:21:53" (1/1) ... [2020-10-12 18:21:53,295 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 18:21:53,316 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 18:21:53,477 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 18:21:53,480 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 18:21:53,496 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 18:21:53,512 INFO L208 MainTranslator]: Completed translation [2020-10-12 18:21:53,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:21:53 WrapperNode [2020-10-12 18:21:53,512 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 18:21:53,513 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 18:21:53,513 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 18:21:53,514 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 18:21:53,526 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:21:53" (1/1) ... [2020-10-12 18:21:53,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:21:53" (1/1) ... [2020-10-12 18:21:53,624 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:21:53" (1/1) ... [2020-10-12 18:21:53,624 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:21:53" (1/1) ... [2020-10-12 18:21:53,629 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:21:53" (1/1) ... [2020-10-12 18:21:53,631 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:21:53" (1/1) ... [2020-10-12 18:21:53,632 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:21:53" (1/1) ... [2020-10-12 18:21:53,634 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 18:21:53,635 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 18:21:53,635 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 18:21:53,635 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 18:21:53,636 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:21:53" (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 [2020-10-12 18:21:53,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 18:21:53,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 18:21:53,705 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-10-12 18:21:53,706 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-10-12 18:21:53,707 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 18:21:53,707 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 18:21:53,708 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 18:21:53,708 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-10-12 18:21:53,709 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-10-12 18:21:53,709 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 18:21:53,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 18:21:53,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 18:21:53,900 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 18:21:53,901 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-12 18:21:53,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 06:21:53 BoogieIcfgContainer [2020-10-12 18:21:53,905 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 18:21:53,906 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 18:21:53,906 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 18:21:53,910 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 18:21:53,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 06:21:53" (1/3) ... [2020-10-12 18:21:53,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@522cfdae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 06:21:53, skipping insertion in model container [2020-10-12 18:21:53,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:21:53" (2/3) ... [2020-10-12 18:21:53,912 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@522cfdae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 06:21:53, skipping insertion in model container [2020-10-12 18:21:53,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 06:21:53" (3/3) ... [2020-10-12 18:21:53,913 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_2calls_5-1.c [2020-10-12 18:21:53,924 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 18:21:53,932 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 18:21:53,946 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 18:21:53,971 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 18:21:53,972 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 18:21:53,972 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 18:21:53,972 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 18:21:53,972 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 18:21:53,972 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 18:21:53,973 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 18:21:53,973 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 18:21:53,991 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-10-12 18:21:53,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-12 18:21:53,998 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:21:53,999 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:21:53,999 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:21:54,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:21:54,005 INFO L82 PathProgramCache]: Analyzing trace with hash 1464461757, now seen corresponding path program 1 times [2020-10-12 18:21:54,011 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:21:54,012 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1654942886] [2020-10-12 18:21:54,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:21:54,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:54,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:54,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:54,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 18:21:54,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:21:54,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-10-12 18:21:54,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:54,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:21:54,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 18:21:54,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:21:54,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 18:21:54,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:21:54,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:54,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:54,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:54,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:21:54,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:21:54,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:21:54,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:54,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:21:54,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:54,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:21:54,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:21:54,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:21:54,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:54,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:54,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:54,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:21:54,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:21:54,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-12 18:21:54,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:54,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:21:54,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 18:21:54,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:21:54,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:21:54,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 18:21:54,404 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1654942886] [2020-10-12 18:21:54,408 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 18:21:54,409 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-12 18:21:54,422 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977715469] [2020-10-12 18:21:54,438 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 18:21:54,438 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:21:54,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 18:21:54,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-12 18:21:54,469 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 5 states. [2020-10-12 18:21:54,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:21:54,588 INFO L93 Difference]: Finished difference Result 44 states and 53 transitions. [2020-10-12 18:21:54,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 18:21:54,590 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-10-12 18:21:54,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:21:54,602 INFO L225 Difference]: With dead ends: 44 [2020-10-12 18:21:54,602 INFO L226 Difference]: Without dead ends: 30 [2020-10-12 18:21:54,606 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-12 18:21:54,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-10-12 18:21:54,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-10-12 18:21:54,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-12 18:21:54,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-10-12 18:21:54,654 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 13 [2020-10-12 18:21:54,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:21:54,654 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-10-12 18:21:54,654 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 18:21:54,655 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-10-12 18:21:54,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-12 18:21:54,657 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:21:54,657 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:21:54,658 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 18:21:54,658 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:21:54,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:21:54,658 INFO L82 PathProgramCache]: Analyzing trace with hash -1134800479, now seen corresponding path program 1 times [2020-10-12 18:21:54,659 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:21:54,659 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1165284098] [2020-10-12 18:21:54,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:21:54,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:54,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:54,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:54,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-12 18:21:54,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:21:54,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-12 18:21:54,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:54,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:21:54,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 18:21:54,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:21:54,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-12 18:21:54,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:21:54,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:54,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:54,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:54,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:21:54,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:21:54,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 18:21:54,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:54,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:21:54,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:54,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:21:54,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:21:54,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:21:54,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:54,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:54,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:54,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:21:54,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:21:54,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-12 18:21:54,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:54,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:21:54,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 18:21:54,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:21:54,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:21:54,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 18:21:54,870 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1165284098] [2020-10-12 18:21:54,870 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 18:21:54,870 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-12 18:21:54,871 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105439617] [2020-10-12 18:21:54,872 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 18:21:54,872 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:21:54,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 18:21:54,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-12 18:21:54,873 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 5 states. [2020-10-12 18:21:54,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:21:54,949 INFO L93 Difference]: Finished difference Result 36 states and 44 transitions. [2020-10-12 18:21:54,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 18:21:54,950 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-10-12 18:21:54,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:21:54,952 INFO L225 Difference]: With dead ends: 36 [2020-10-12 18:21:54,952 INFO L226 Difference]: Without dead ends: 32 [2020-10-12 18:21:54,953 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-12 18:21:54,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-10-12 18:21:54,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 30. [2020-10-12 18:21:54,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-12 18:21:54,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-10-12 18:21:54,962 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 14 [2020-10-12 18:21:54,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:21:54,963 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-10-12 18:21:54,963 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 18:21:54,963 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-10-12 18:21:54,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-12 18:21:54,965 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:21:54,965 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:21:54,965 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 18:21:54,965 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:21:54,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:21:54,966 INFO L82 PathProgramCache]: Analyzing trace with hash -1592795560, now seen corresponding path program 1 times [2020-10-12 18:21:54,966 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:21:54,966 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1440275360] [2020-10-12 18:21:54,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:21:54,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:54,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:55,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:55,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:55,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:55,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-12 18:21:55,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:21:55,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 478 [2020-10-12 18:21:55,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:55,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 18:21:55,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 18:21:55,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 18:21:55,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:21:55,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:21:55,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:55,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:55,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:55,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:21:55,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:21:55,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:21:55,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:55,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:21:55,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:55,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:21:55,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:55,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:21:55,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:55,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:55,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:55,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:55,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:55,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-12 18:21:55,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:21:55,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 161 [2020-10-12 18:21:55,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:55,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 18:21:55,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 18:21:55,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-12 18:21:55,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:55,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:21:55,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:55,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:55,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:55,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:21:55,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:21:55,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 18:21:55,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:55,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:21:55,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:55,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:21:55,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:21:55,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 18:21:55,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:55,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:55,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:55,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:21:55,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:21:55,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 18:21:55,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:55,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:21:55,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:55,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:21:55,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:21:55,756 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-12 18:21:55,756 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1440275360] [2020-10-12 18:21:55,757 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 18:21:55,757 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-12 18:21:55,757 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457001701] [2020-10-12 18:21:55,758 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 18:21:55,758 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:21:55,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 18:21:55,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-12 18:21:55,759 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 7 states. [2020-10-12 18:21:55,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:21:55,893 INFO L93 Difference]: Finished difference Result 41 states and 52 transitions. [2020-10-12 18:21:55,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-12 18:21:55,894 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-10-12 18:21:55,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:21:55,896 INFO L225 Difference]: With dead ends: 41 [2020-10-12 18:21:55,897 INFO L226 Difference]: Without dead ends: 37 [2020-10-12 18:21:55,897 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-12 18:21:55,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-10-12 18:21:55,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 35. [2020-10-12 18:21:55,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-10-12 18:21:55,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 45 transitions. [2020-10-12 18:21:55,908 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 45 transitions. Word has length 26 [2020-10-12 18:21:55,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:21:55,909 INFO L479 AbstractCegarLoop]: Abstraction has 35 states and 45 transitions. [2020-10-12 18:21:55,909 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 18:21:55,909 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2020-10-12 18:21:55,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-12 18:21:55,911 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:21:55,911 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:21:55,911 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 18:21:55,911 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:21:55,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:21:55,912 INFO L82 PathProgramCache]: Analyzing trace with hash -1725129826, now seen corresponding path program 1 times [2020-10-12 18:21:55,912 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:21:55,913 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [47683652] [2020-10-12 18:21:55,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:21:55,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:55,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:55,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:55,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:55,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:56,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:56,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-12 18:21:56,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 18:21:56,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 244 [2020-10-12 18:21:56,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:56,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 18:21:56,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 18:21:56,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 18:21:56,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:21:56,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:21:56,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:56,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:56,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:56,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:21:56,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:21:56,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:21:56,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:56,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:21:56,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:56,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:21:56,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:21:56,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:21:56,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:56,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:56,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:56,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:56,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 18:21:56,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:21:56,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-12 18:21:56,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:56,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 18:21:56,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 18:21:56,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 18:21:56,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:56,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:21:56,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:56,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:56,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:56,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:21:56,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:21:56,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 18:21:56,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:56,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:21:56,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:56,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:21:56,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:21:56,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:21:56,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:56,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:56,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:56,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:56,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:21:56,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:21:56,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 18:21:56,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:56,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:21:56,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 18:21:56,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:21:56,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:21:56,345 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-12 18:21:56,346 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [47683652] [2020-10-12 18:21:56,346 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:21:56,347 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 18:21:56,347 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545614300] [2020-10-12 18:21:56,348 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 18:21:56,348 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:21:56,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 18:21:56,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-12 18:21:56,349 INFO L87 Difference]: Start difference. First operand 35 states and 45 transitions. Second operand 7 states. [2020-10-12 18:21:56,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:21:56,520 INFO L93 Difference]: Finished difference Result 71 states and 105 transitions. [2020-10-12 18:21:56,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-12 18:21:56,522 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2020-10-12 18:21:56,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:21:56,525 INFO L225 Difference]: With dead ends: 71 [2020-10-12 18:21:56,525 INFO L226 Difference]: Without dead ends: 42 [2020-10-12 18:21:56,531 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-12 18:21:56,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-10-12 18:21:56,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 39. [2020-10-12 18:21:56,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-10-12 18:21:56,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 52 transitions. [2020-10-12 18:21:56,553 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 52 transitions. Word has length 28 [2020-10-12 18:21:56,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:21:56,554 INFO L479 AbstractCegarLoop]: Abstraction has 39 states and 52 transitions. [2020-10-12 18:21:56,554 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 18:21:56,554 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 52 transitions. [2020-10-12 18:21:56,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-10-12 18:21:56,561 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:21:56,563 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:21:56,563 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 18:21:56,564 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:21:56,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:21:56,564 INFO L82 PathProgramCache]: Analyzing trace with hash 1428455685, now seen corresponding path program 1 times [2020-10-12 18:21:56,565 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:21:56,566 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1543940434] [2020-10-12 18:21:56,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:21:56,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:56,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:56,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:56,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:56,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:56,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:56,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:56,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:00,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:00,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-12 18:22:00,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 18:22:00,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3837 [2020-10-12 18:22:00,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:00,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 18:22:00,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 18:22:00,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 18:22:00,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:22:00,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:22:00,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:00,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:00,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:00,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:22:00,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:22:00,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:22:00,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:00,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:22:00,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:22:00,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:22:00,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:22:00,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:22:00,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:00,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:00,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:00,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:00,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:00,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:00,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:00,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:02,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:02,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-12 18:22:02,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 18:22:02,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1631 [2020-10-12 18:22:02,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:02,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 18:22:02,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 18:22:02,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-12 18:22:02,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:22:02,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:22:02,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:02,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:02,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:02,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:02,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:02,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-12 18:22:02,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:22:02,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-10-12 18:22:02,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:02,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:22:02,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:22:02,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-12 18:22:02,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:22:02,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:22:02,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:02,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:02,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:02,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:22:02,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:22:02,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 18:22:02,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:02,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:22:02,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:22:02,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:22:02,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:22:02,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 18:22:02,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:02,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:02,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:02,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:22:02,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:22:02,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:22:02,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:02,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:22:02,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:22:02,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:22:02,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:22:02,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 18:22:02,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:02,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:02,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:02,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:22:02,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:22:02,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 18:22:02,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:02,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:22:02,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:22:02,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:22:02,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:22:02,346 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-12 18:22:02,347 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1543940434] [2020-10-12 18:22:02,347 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:22:02,347 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-12 18:22:02,347 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221881946] [2020-10-12 18:22:02,348 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 18:22:02,348 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:22:02,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 18:22:02,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-12 18:22:02,350 INFO L87 Difference]: Start difference. First operand 39 states and 52 transitions. Second operand 9 states. [2020-10-12 18:22:02,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:22:02,541 INFO L93 Difference]: Finished difference Result 59 states and 88 transitions. [2020-10-12 18:22:02,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-12 18:22:02,542 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 40 [2020-10-12 18:22:02,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:22:02,544 INFO L225 Difference]: With dead ends: 59 [2020-10-12 18:22:02,544 INFO L226 Difference]: Without dead ends: 55 [2020-10-12 18:22:02,545 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-10-12 18:22:02,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-10-12 18:22:02,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 50. [2020-10-12 18:22:02,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2020-10-12 18:22:02,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 73 transitions. [2020-10-12 18:22:02,560 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 73 transitions. Word has length 40 [2020-10-12 18:22:02,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:22:02,561 INFO L479 AbstractCegarLoop]: Abstraction has 50 states and 73 transitions. [2020-10-12 18:22:02,561 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 18:22:02,561 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 73 transitions. [2020-10-12 18:22:02,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-12 18:22:02,563 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:22:02,564 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 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] [2020-10-12 18:22:02,564 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 18:22:02,564 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:22:02,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:22:02,565 INFO L82 PathProgramCache]: Analyzing trace with hash 794281190, now seen corresponding path program 1 times [2020-10-12 18:22:02,565 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:22:02,565 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1670246134] [2020-10-12 18:22:02,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:22:02,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:02,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:02,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:02,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:02,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:02,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:02,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:02,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:02,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:02,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:05,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:05,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:06,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:06,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:07,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:07,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-12 18:22:07,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-12 18:22:07,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-12 18:22:07,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:07,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:22:07,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-12 18:22:07,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-12 18:22:07,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:22:07,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:22:07,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:07,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:07,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:07,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:22:07,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:22:07,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:22:07,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:07,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:22:07,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:22:07,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:22:07,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:22:07,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:22:07,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:07,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:07,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:07,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:07,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:07,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:08,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:08,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:08,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:08,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:12,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:12,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-12 18:22:12,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-12 18:22:12,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4533 [2020-10-12 18:22:12,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:12,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:22:12,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-12 18:22:12,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-12 18:22:12,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:22:12,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:22:12,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:12,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:12,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:12,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:12,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:12,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:12,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:22:12,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 18:22:12,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 169 [2020-10-12 18:22:12,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:12,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:22:12,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:22:12,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:22:12,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:22:12,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:22:12,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:12,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:12,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:12,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:12,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:22:12,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:22:12,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 18:22:12,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:12,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:22:12,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:22:12,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:22:12,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:22:12,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:22:12,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:12,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:12,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:12,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:22:12,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:22:12,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 18:22:12,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:12,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:22:12,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:22:12,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:22:12,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:22:12,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 18:22:12,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:12,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:12,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:12,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:12,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:12,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:22:12,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:22:12,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-12 18:22:12,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:12,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 18:22:12,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 18:22:12,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-12 18:22:12,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:22:12,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:22:12,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:12,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:12,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:12,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:12,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:22:12,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:22:12,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 18:22:12,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:12,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:22:12,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:22:12,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:22:12,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:22:12,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:22:12,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:12,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:12,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:12,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:22:12,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:22:12,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:22:12,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:12,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:22:12,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:22:12,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:22:12,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:22:12,649 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 16 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-12 18:22:12,650 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1670246134] [2020-10-12 18:22:12,651 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:22:12,651 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-12 18:22:12,652 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670418478] [2020-10-12 18:22:12,653 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-12 18:22:12,653 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:22:12,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-12 18:22:12,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2020-10-12 18:22:12,654 INFO L87 Difference]: Start difference. First operand 50 states and 73 transitions. Second operand 16 states. [2020-10-12 18:22:13,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:22:13,063 INFO L93 Difference]: Finished difference Result 118 states and 208 transitions. [2020-10-12 18:22:13,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-12 18:22:13,064 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 54 [2020-10-12 18:22:13,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:22:13,067 INFO L225 Difference]: With dead ends: 118 [2020-10-12 18:22:13,067 INFO L226 Difference]: Without dead ends: 74 [2020-10-12 18:22:13,069 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=89, Invalid=373, Unknown=0, NotChecked=0, Total=462 [2020-10-12 18:22:13,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-10-12 18:22:13,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 71. [2020-10-12 18:22:13,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-10-12 18:22:13,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 109 transitions. [2020-10-12 18:22:13,084 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 109 transitions. Word has length 54 [2020-10-12 18:22:13,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:22:13,085 INFO L479 AbstractCegarLoop]: Abstraction has 71 states and 109 transitions. [2020-10-12 18:22:13,085 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-12 18:22:13,085 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 109 transitions. [2020-10-12 18:22:13,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-10-12 18:22:13,088 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:22:13,089 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:22:13,089 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 18:22:13,089 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:22:13,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:22:13,090 INFO L82 PathProgramCache]: Analyzing trace with hash 1316787934, now seen corresponding path program 1 times [2020-10-12 18:22:13,090 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:22:13,090 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1078397840] [2020-10-12 18:22:13,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:22:13,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:13,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:13,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:13,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:13,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:13,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:13,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:13,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:13,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:13,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:13,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:13,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:13,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:13,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:13,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:14,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:18,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:18,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:18,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:18,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:18,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:18,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:18,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:18,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-12 18:22:18,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-12 18:22:18,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-12 18:22:18,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:18,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-12 18:22:18,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-12 18:22:18,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-12 18:22:18,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:22:18,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:22:18,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:18,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:18,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:18,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:22:18,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:22:18,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:22:18,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:18,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:22:18,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:22:18,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:22:18,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:22:18,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:22:18,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:18,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:18,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:18,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:18,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:18,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:18,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:18,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:18,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:18,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:18,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:18,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:18,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:18,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:18,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:18,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:22,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:23,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:23,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-12 18:22:23,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-12 18:22:23,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-12 18:22:23,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:23,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-12 18:22:23,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-12 18:22:23,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-12 18:22:23,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:22:23,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:22:23,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:23,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:23,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:23,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:23,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:23,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:23,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:23,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:23,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:23,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:23,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:23,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:23,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:23,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:24,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:24,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-12 18:22:24,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-12 18:22:24,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 859 [2020-10-12 18:22:24,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:24,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:22:24,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:22:24,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-12 18:22:24,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:22:24,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:22:24,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:24,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:24,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:24,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:24,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:24,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-12 18:22:24,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:22:24,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-12 18:22:24,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:24,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:22:24,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:22:24,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-12 18:22:24,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:22:24,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:22:24,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:24,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:24,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:24,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:22:24,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:22:24,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:22:24,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:24,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:22:24,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:22:24,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:22:24,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:22:24,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 18:22:24,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:24,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:24,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:24,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:22:24,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:22:24,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:22:24,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:24,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:22:24,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:22:24,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:22:24,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:22:24,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 18:22:24,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:24,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:24,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:24,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:24,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:22:24,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:22:24,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 18:22:24,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:24,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:22:24,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:22:24,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:22:24,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:22:24,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-12 18:22:24,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:24,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:24,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:24,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:24,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:24,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:24,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:24,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:24,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:24,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:24,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-12 18:22:24,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 18:22:24,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 436 [2020-10-12 18:22:24,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:24,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 18:22:24,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-12 18:22:24,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 18:22:24,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:22:24,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:22:24,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:24,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:24,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:24,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:24,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-12 18:22:24,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:22:24,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-12 18:22:24,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:24,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:22:24,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 18:22:24,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-12 18:22:24,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:22:24,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:22:24,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:24,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:24,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:24,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:22:24,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:22:24,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:22:24,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:24,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:22:24,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:22:24,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:22:24,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:22:24,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 18:22:24,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:24,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:24,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:24,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:22:24,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:22:24,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:22:24,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:24,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:22:24,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:22:24,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:22:24,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:22:24,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 18:22:24,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:24,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:24,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:24,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:22:24,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:22:24,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:22:24,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:24,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:22:24,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 18:22:24,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:22:24,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:22:24,927 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 38 proven. 53 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-10-12 18:22:24,927 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1078397840] [2020-10-12 18:22:24,928 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:22:24,928 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-12 18:22:24,929 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174544364] [2020-10-12 18:22:24,930 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-12 18:22:24,930 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:22:24,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-12 18:22:24,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2020-10-12 18:22:24,931 INFO L87 Difference]: Start difference. First operand 71 states and 109 transitions. Second operand 18 states. [2020-10-12 18:22:25,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:22:25,599 INFO L93 Difference]: Finished difference Result 160 states and 283 transitions. [2020-10-12 18:22:25,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-12 18:22:25,600 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 80 [2020-10-12 18:22:25,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:22:25,601 INFO L225 Difference]: With dead ends: 160 [2020-10-12 18:22:25,601 INFO L226 Difference]: Without dead ends: 73 [2020-10-12 18:22:25,604 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 31 SyntacticMatches, 2 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=172, Invalid=884, Unknown=0, NotChecked=0, Total=1056 [2020-10-12 18:22:25,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-10-12 18:22:25,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 67. [2020-10-12 18:22:25,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2020-10-12 18:22:25,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 86 transitions. [2020-10-12 18:22:25,614 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 86 transitions. Word has length 80 [2020-10-12 18:22:25,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:22:25,614 INFO L479 AbstractCegarLoop]: Abstraction has 67 states and 86 transitions. [2020-10-12 18:22:25,614 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-12 18:22:25,614 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 86 transitions. [2020-10-12 18:22:25,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-10-12 18:22:25,616 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:22:25,616 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 3, 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] [2020-10-12 18:22:25,617 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 18:22:25,617 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:22:25,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:22:25,617 INFO L82 PathProgramCache]: Analyzing trace with hash -1156896337, now seen corresponding path program 1 times [2020-10-12 18:22:25,617 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:22:25,618 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1272415688] [2020-10-12 18:22:25,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:22:25,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:25,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:25,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:25,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:25,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:25,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:30,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:30,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-12 18:22:30,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 18:22:30,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-12 18:22:30,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:30,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 18:22:30,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 18:22:30,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:22:30,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:22:30,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:22:30,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:30,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:30,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:30,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:22:30,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:22:30,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:22:30,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:30,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:22:30,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:22:30,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:22:30,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:22:30,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:22:30,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:30,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:30,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:30,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:30,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:30,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:35,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:35,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-12 18:22:35,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 18:22:35,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-12 18:22:35,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:35,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 18:22:35,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 18:22:35,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-12 18:22:35,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:22:35,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:22:35,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:35,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:35,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:35,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:35,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:35,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:22:35,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:22:35,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 293 [2020-10-12 18:22:35,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:35,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:22:35,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:22:35,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 18:22:35,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:22:35,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:22:35,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:35,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:35,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:36,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:36,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:22:36,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:22:36,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-12 18:22:36,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:36,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:22:36,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:22:36,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:22:36,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:22:36,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:22:36,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:36,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:36,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:36,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:22:36,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:22:36,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 18:22:36,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:36,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:22:36,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:22:36,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:22:36,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:22:36,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:22:36,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:36,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:36,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:36,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:22:36,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:22:36,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:22:36,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:36,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:22:36,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:22:36,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:22:36,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:22:36,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 18:22:36,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:36,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:36,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:36,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:22:36,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:22:36,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:22:36,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:36,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:22:36,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:22:36,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:22:36,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:22:36,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 18:22:36,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:36,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:36,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:36,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:22:36,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:22:36,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 18:22:36,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:36,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:22:36,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:22:36,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-12 18:22:36,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:22:36,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:22:36,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:36,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:36,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:36,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:22:36,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:22:36,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:22:36,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:36,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:22:36,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:22:36,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:22:36,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:22:36,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:22:36,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:36,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:36,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:36,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:22:36,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:22:36,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:22:36,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:36,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:22:36,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:22:36,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:22:36,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:22:36,141 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 10 proven. 42 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-10-12 18:22:36,142 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1272415688] [2020-10-12 18:22:36,142 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:22:36,142 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-12 18:22:36,142 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481859084] [2020-10-12 18:22:36,143 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-12 18:22:36,143 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:22:36,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-12 18:22:36,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-10-12 18:22:36,144 INFO L87 Difference]: Start difference. First operand 67 states and 86 transitions. Second operand 11 states. [2020-10-12 18:22:36,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:22:36,357 INFO L93 Difference]: Finished difference Result 92 states and 122 transitions. [2020-10-12 18:22:36,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-12 18:22:36,358 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 68 [2020-10-12 18:22:36,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:22:36,360 INFO L225 Difference]: With dead ends: 92 [2020-10-12 18:22:36,360 INFO L226 Difference]: Without dead ends: 88 [2020-10-12 18:22:36,361 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2020-10-12 18:22:36,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2020-10-12 18:22:36,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 77. [2020-10-12 18:22:36,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-10-12 18:22:36,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 102 transitions. [2020-10-12 18:22:36,383 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 102 transitions. Word has length 68 [2020-10-12 18:22:36,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:22:36,383 INFO L479 AbstractCegarLoop]: Abstraction has 77 states and 102 transitions. [2020-10-12 18:22:36,383 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-12 18:22:36,384 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 102 transitions. [2020-10-12 18:22:36,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-12 18:22:36,385 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:22:36,385 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:22:36,385 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 18:22:36,386 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:22:36,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:22:36,386 INFO L82 PathProgramCache]: Analyzing trace with hash -60364660, now seen corresponding path program 1 times [2020-10-12 18:22:36,386 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:22:36,386 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1168634265] [2020-10-12 18:22:36,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:22:36,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:36,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:36,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:36,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:36,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:36,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:36,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:36,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:36,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:36,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:36,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:36,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:36,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:36,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:37,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:37,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:37,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:37,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:37,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:37,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:37,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:37,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:37,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:37,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:37,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:37,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:37,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:40,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:40,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:41,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:41,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-12 18:22:41,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 28 [2020-10-12 18:22:41,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-12 18:22:41,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:41,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-12 18:22:41,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-12 18:22:41,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-12 18:22:41,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:22:41,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:22:41,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:41,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:41,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:41,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:22:41,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:22:41,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:22:41,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:41,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:22:41,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:22:41,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:22:41,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:22:41,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:22:41,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:41,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:41,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:41,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:41,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:41,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:41,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:41,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:41,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:41,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:41,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:41,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:41,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:42,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:43,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:43,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:43,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:43,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:43,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:43,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:43,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:43,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:43,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:43,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:43,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:43,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:43,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:44,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:44,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:44,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:46,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:46,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-12 18:22:46,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 29 [2020-10-12 18:22:46,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-12 18:22:46,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:46,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-12 18:22:46,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-12 18:22:46,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-12 18:22:46,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:22:46,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:22:46,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:46,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:46,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:46,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:46,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:46,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:46,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:46,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:46,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:46,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:46,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:46,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:46,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:46,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:46,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:51,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:51,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-12 18:22:51,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-12 18:22:51,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-12 18:22:51,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:51,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-12 18:22:51,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:22:51,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-12 18:22:51,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:22:51,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:22:51,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:51,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:51,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:51,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:51,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:51,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:51,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:52,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:52,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:22:52,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 18:22:52,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 858 [2020-10-12 18:22:52,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:52,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 18:22:52,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:22:52,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 18:22:52,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:22:52,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:22:52,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:52,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:52,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:52,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:52,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:52,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:22:52,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:22:52,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-12 18:22:52,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:52,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 18:22:52,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:22:52,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:22:52,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:22:52,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:22:52,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:52,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:52,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:52,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:52,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:22:52,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:22:52,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 18:22:52,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:52,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:22:52,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:22:52,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:22:52,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:22:52,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:22:52,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:52,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:52,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:52,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:22:52,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:22:52,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:22:52,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:52,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:22:52,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:22:52,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:22:52,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:22:52,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 18:22:52,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:52,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:52,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:52,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:22:52,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:22:52,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:22:52,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:52,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:22:52,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:22:52,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:22:52,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:22:52,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 18:22:52,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:52,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:52,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:52,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:22:52,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:22:52,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:22:52,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:52,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:22:52,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:22:52,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:22:52,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:22:52,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-12 18:22:52,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:52,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:52,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:52,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:52,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:52,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:52,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:52,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:52,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:52,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:55,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:55,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:55,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:55,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:57,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:57,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-12 18:22:57,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-12 18:22:57,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-12 18:22:57,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:57,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 18:22:57,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 18:22:57,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-12 18:22:57,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:22:57,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:22:57,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:57,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:57,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:57,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:57,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:57,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:57,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:58,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:58,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:22:58,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 18:22:58,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 655 [2020-10-12 18:22:58,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:58,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 18:22:58,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:22:58,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 18:22:58,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:22:58,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:22:58,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:58,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:58,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:58,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:58,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:58,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:22:58,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:22:58,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-12 18:22:58,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:58,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:22:58,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:22:58,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:22:58,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:22:58,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:22:58,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:58,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:58,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:58,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:58,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:22:58,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:22:58,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 18:22:58,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:58,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:22:58,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:22:58,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:22:58,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:22:58,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:22:58,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:58,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:58,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:58,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:22:58,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:22:58,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:22:58,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:58,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:22:58,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:22:58,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:22:58,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:22:58,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 18:22:58,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:58,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:58,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:58,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:22:58,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:22:58,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:22:58,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:58,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:22:58,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:22:58,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:22:58,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:22:58,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 18:22:58,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:58,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:58,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:58,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:22:58,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:22:58,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:22:58,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:58,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:22:58,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 18:22:58,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:22:58,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:22:58,498 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 68 proven. 122 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2020-10-12 18:22:58,499 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1168634265] [2020-10-12 18:22:58,499 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:22:58,499 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-12 18:22:58,499 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283620842] [2020-10-12 18:22:58,500 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-12 18:22:58,500 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:22:58,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-12 18:22:58,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2020-10-12 18:22:58,501 INFO L87 Difference]: Start difference. First operand 77 states and 102 transitions. Second operand 19 states. [2020-10-12 18:22:59,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:22:59,066 INFO L93 Difference]: Finished difference Result 171 states and 277 transitions. [2020-10-12 18:22:59,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-12 18:22:59,066 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 109 [2020-10-12 18:22:59,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:22:59,070 INFO L225 Difference]: With dead ends: 171 [2020-10-12 18:22:59,070 INFO L226 Difference]: Without dead ends: 100 [2020-10-12 18:22:59,072 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 40 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=136, Invalid=676, Unknown=0, NotChecked=0, Total=812 [2020-10-12 18:22:59,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2020-10-12 18:22:59,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 91. [2020-10-12 18:22:59,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-10-12 18:22:59,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 123 transitions. [2020-10-12 18:22:59,085 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 123 transitions. Word has length 109 [2020-10-12 18:22:59,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:22:59,086 INFO L479 AbstractCegarLoop]: Abstraction has 91 states and 123 transitions. [2020-10-12 18:22:59,086 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-12 18:22:59,086 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 123 transitions. [2020-10-12 18:22:59,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-10-12 18:22:59,088 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:22:59,088 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 6, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:22:59,088 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-12 18:22:59,088 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:22:59,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:22:59,089 INFO L82 PathProgramCache]: Analyzing trace with hash 705068706, now seen corresponding path program 1 times [2020-10-12 18:22:59,089 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:22:59,089 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [906910334] [2020-10-12 18:22:59,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:22:59,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:59,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:59,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:59,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:59,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:59,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:59,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:59,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:59,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:59,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:59,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:59,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:59,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:59,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:59,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:59,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:59,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:59,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:59,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:59,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:59,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:59,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:59,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:04,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:04,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-12 18:23:04,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 22 [2020-10-12 18:23:04,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-12 18:23:04,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:04,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-12 18:23:04,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 18:23:04,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-12 18:23:04,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:04,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:23:04,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:04,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:04,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:04,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:23:04,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:23:04,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:23:04,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:04,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:23:04,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:04,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:23:04,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:04,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:23:04,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:04,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:04,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:04,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:04,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:04,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:04,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:04,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:04,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:04,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:04,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:04,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:05,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:05,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:05,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:05,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:05,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:05,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:05,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:05,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:05,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:05,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:07,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:07,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:07,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:09,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:09,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-12 18:23:09,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 24 [2020-10-12 18:23:09,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-12 18:23:09,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:09,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-12 18:23:09,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 18:23:09,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-12 18:23:09,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:09,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:23:09,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:09,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:09,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:09,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:09,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:09,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:09,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:09,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:09,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:09,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:10,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:10,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:10,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:10,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:14,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:14,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-12 18:23:14,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-12 18:23:14,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-12 18:23:14,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:14,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 18:23:14,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 18:23:14,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-12 18:23:14,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:23:14,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:23:14,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:14,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:14,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:14,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:14,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:14,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:14,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:14,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:14,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:14,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:15,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:15,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:15,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:15,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:18,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:18,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-12 18:23:18,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-12 18:23:18,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4743 [2020-10-12 18:23:18,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:18,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 18:23:18,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 18:23:18,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-12 18:23:18,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:18,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:23:18,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:18,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:18,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:18,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:18,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:18,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:18,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:19,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:19,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:23:19,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 18:23:19,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 615 [2020-10-12 18:23:19,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:19,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 18:23:19,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:19,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 18:23:19,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:19,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:23:19,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:19,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:19,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:19,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:19,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:19,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:23:19,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:23:19,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-12 18:23:19,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:19,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:23:19,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:19,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:23:19,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:19,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:23:19,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:19,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:19,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:19,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:19,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:23:19,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:23:19,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 18:23:19,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:19,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:23:19,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:19,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:23:19,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:19,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:23:19,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:19,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:19,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:19,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:23:19,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:23:19,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:23:19,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:19,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:23:19,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:19,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:23:19,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:19,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 18:23:19,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:19,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:19,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:19,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:23:19,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:23:19,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:23:19,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:19,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:23:19,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:19,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:23:19,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:19,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 18:23:19,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:19,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:19,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:19,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:23:19,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:23:19,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:23:19,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:19,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:23:19,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 18:23:19,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:23:19,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:19,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-12 18:23:19,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:19,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:19,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:19,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:23:19,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:23:19,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:23:19,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:19,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:23:19,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 18:23:19,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:23:19,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:19,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-12 18:23:19,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:19,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:19,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:19,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:20,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:20,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:23:20,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:23:20,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 231 [2020-10-12 18:23:20,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:20,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 18:23:20,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 18:23:20,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-12 18:23:20,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:20,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:23:20,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:20,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:20,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:20,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:20,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:23:20,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:23:20,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-12 18:23:20,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:20,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:23:20,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:20,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:23:20,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:20,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:23:20,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:20,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:20,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:20,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:23:20,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:23:20,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:23:20,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:20,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:23:20,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:20,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:23:20,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:20,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:23:20,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:20,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:20,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:20,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:23:20,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:23:20,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:23:20,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:20,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:23:20,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:20,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:23:20,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:20,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 18:23:20,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:20,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:20,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:20,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:23:20,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:23:20,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:23:20,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:20,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:23:20,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:20,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:23:20,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:20,110 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 88 proven. 101 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-10-12 18:23:20,110 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [906910334] [2020-10-12 18:23:20,110 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:23:20,110 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-12 18:23:20,111 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170098059] [2020-10-12 18:23:20,111 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-12 18:23:20,111 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:23:20,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-12 18:23:20,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2020-10-12 18:23:20,112 INFO L87 Difference]: Start difference. First operand 91 states and 123 transitions. Second operand 19 states. [2020-10-12 18:23:20,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:23:20,795 INFO L93 Difference]: Finished difference Result 179 states and 261 transitions. [2020-10-12 18:23:20,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-12 18:23:20,796 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 110 [2020-10-12 18:23:20,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:23:20,798 INFO L225 Difference]: With dead ends: 179 [2020-10-12 18:23:20,798 INFO L226 Difference]: Without dead ends: 96 [2020-10-12 18:23:20,800 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=171, Invalid=885, Unknown=0, NotChecked=0, Total=1056 [2020-10-12 18:23:20,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2020-10-12 18:23:20,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 87. [2020-10-12 18:23:20,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-10-12 18:23:20,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 113 transitions. [2020-10-12 18:23:20,812 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 113 transitions. Word has length 110 [2020-10-12 18:23:20,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:23:20,812 INFO L479 AbstractCegarLoop]: Abstraction has 87 states and 113 transitions. [2020-10-12 18:23:20,812 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-12 18:23:20,812 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 113 transitions. [2020-10-12 18:23:20,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-10-12 18:23:20,814 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:23:20,814 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:23:20,814 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-12 18:23:20,814 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:23:20,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:23:20,815 INFO L82 PathProgramCache]: Analyzing trace with hash 1229769625, now seen corresponding path program 2 times [2020-10-12 18:23:20,815 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:23:20,815 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [267305288] [2020-10-12 18:23:20,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:23:20,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:20,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:20,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:20,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:20,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:20,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:21,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:21,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:22,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:22,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:22,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:25,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:25,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-12 18:23:25,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-12 18:23:25,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-12 18:23:25,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:25,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 18:23:25,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 18:23:25,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-12 18:23:25,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:25,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:23:25,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:25,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:25,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:25,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:23:25,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:23:25,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:23:25,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:25,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:23:25,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:25,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:23:25,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:25,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:23:25,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:25,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:25,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:25,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:25,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:25,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:25,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:26,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:26,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:26,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:26,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:30,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:30,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-12 18:23:30,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-12 18:23:30,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-12 18:23:30,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:30,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 18:23:30,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 18:23:30,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-12 18:23:30,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:30,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:23:30,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:30,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:30,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:30,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:30,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:30,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:31,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:31,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:31,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-12 18:23:31,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 18:23:31,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 834 [2020-10-12 18:23:31,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:31,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 18:23:31,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 18:23:31,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-12 18:23:31,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:31,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:23:31,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:31,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:31,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:31,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:31,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:31,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:31,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:31,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:23:31,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 18:23:31,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 203 [2020-10-12 18:23:31,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:31,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 18:23:31,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:31,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 18:23:31,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:31,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:23:31,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:31,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:31,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:31,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:31,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:31,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:23:31,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:23:31,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-12 18:23:31,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:31,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:23:31,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:31,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:23:31,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:32,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:23:32,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:32,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:32,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:32,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:32,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:23:32,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:23:32,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 18:23:32,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:32,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:23:32,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:32,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:23:32,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:32,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:23:32,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:32,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:32,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:32,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:23:32,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:23:32,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:23:32,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:32,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:23:32,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:32,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:23:32,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:32,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 18:23:32,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:32,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:32,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:32,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:23:32,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:23:32,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:23:32,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:32,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:23:32,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:32,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:23:32,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:32,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 18:23:32,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:32,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:32,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:32,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:23:32,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:23:32,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:23:32,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:32,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:23:32,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 18:23:32,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:23:32,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:32,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-12 18:23:32,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:32,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:32,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:32,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:32,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:32,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:32,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:32,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:32,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:23:32,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 18:23:32,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 552 [2020-10-12 18:23:32,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:32,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 18:23:32,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 18:23:32,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-12 18:23:32,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:32,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:23:32,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:32,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:32,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:32,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:32,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:32,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:23:32,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:23:32,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-12 18:23:32,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:32,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:23:32,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:32,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:23:32,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:32,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:23:32,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:32,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:32,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:32,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:32,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:23:32,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:23:32,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 18:23:32,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:32,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:23:32,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:32,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:23:32,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:32,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:23:32,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:32,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:32,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:32,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:23:32,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:23:32,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:23:32,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:32,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:23:32,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:32,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:23:32,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:32,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 18:23:32,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:32,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:32,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:32,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:23:32,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:23:32,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:23:32,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:32,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:23:32,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:32,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:23:32,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:32,848 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 72 proven. 65 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2020-10-12 18:23:32,848 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [267305288] [2020-10-12 18:23:32,848 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:23:32,849 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-12 18:23:32,849 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451474126] [2020-10-12 18:23:32,849 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-12 18:23:32,849 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:23:32,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-12 18:23:32,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-10-12 18:23:32,850 INFO L87 Difference]: Start difference. First operand 87 states and 113 transitions. Second operand 17 states. [2020-10-12 18:23:33,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:23:33,298 INFO L93 Difference]: Finished difference Result 172 states and 244 transitions. [2020-10-12 18:23:33,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-12 18:23:33,299 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 96 [2020-10-12 18:23:33,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:23:33,300 INFO L225 Difference]: With dead ends: 172 [2020-10-12 18:23:33,300 INFO L226 Difference]: Without dead ends: 93 [2020-10-12 18:23:33,303 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 31 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=145, Invalid=611, Unknown=0, NotChecked=0, Total=756 [2020-10-12 18:23:33,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-10-12 18:23:33,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 91. [2020-10-12 18:23:33,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-10-12 18:23:33,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 117 transitions. [2020-10-12 18:23:33,315 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 117 transitions. Word has length 96 [2020-10-12 18:23:33,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:23:33,316 INFO L479 AbstractCegarLoop]: Abstraction has 91 states and 117 transitions. [2020-10-12 18:23:33,316 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-12 18:23:33,316 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 117 transitions. [2020-10-12 18:23:33,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-12 18:23:33,317 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:23:33,318 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:23:33,318 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-12 18:23:33,318 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:23:33,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:23:33,319 INFO L82 PathProgramCache]: Analyzing trace with hash -1540036056, now seen corresponding path program 3 times [2020-10-12 18:23:33,319 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:23:33,319 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1904777604] [2020-10-12 18:23:33,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:23:33,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:33,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:33,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:33,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-12 18:23:33,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:23:33,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 294 [2020-10-12 18:23:33,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:33,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-10-12 18:23:33,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-12 18:23:33,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-12 18:23:33,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:33,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:23:33,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:33,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:33,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:33,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:23:33,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:23:33,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:23:33,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:33,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:23:33,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:33,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:23:33,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:33,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:23:33,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:33,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:34,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:34,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-12 18:23:34,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:23:34,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 389 [2020-10-12 18:23:34,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:34,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-12 18:23:34,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:34,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-10-12 18:23:34,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 22 [2020-10-12 18:23:34,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:23:34,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:34,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:34,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:34,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-12 18:23:34,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:23:34,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 129 [2020-10-12 18:23:34,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:34,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-12 18:23:34,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:34,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-12 18:23:34,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:34,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:23:34,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:34,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:34,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:34,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:23:34,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:23:34,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-12 18:23:34,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:34,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:23:34,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:34,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-12 18:23:34,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:34,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:23:34,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:34,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:34,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:34,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:23:34,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:23:34,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 18:23:34,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:34,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:23:34,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:34,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-12 18:23:34,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:34,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:23:34,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:34,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:34,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:34,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:23:34,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:23:34,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:23:34,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:34,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 18:23:34,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:34,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:23:34,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:34,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:23:34,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:34,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:34,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:34,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:23:34,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:23:34,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:23:34,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:34,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:23:34,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:34,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:23:34,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:34,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 18:23:34,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:34,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:34,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:34,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:23:34,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:23:34,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 18:23:34,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:34,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:23:34,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:34,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:23:34,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:34,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 18:23:34,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:34,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:34,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:34,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:23:34,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:23:34,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 18:23:34,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:34,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 18:23:34,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:34,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-12 18:23:34,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:34,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:23:34,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:34,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:34,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:34,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:23:34,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:23:34,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:23:34,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:34,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 18:23:34,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:34,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:23:34,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:34,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:23:34,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:34,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:34,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:34,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:23:34,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:23:34,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:23:34,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:34,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:23:34,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:34,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:23:34,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:34,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 18:23:34,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:34,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:34,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:34,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:23:34,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:23:34,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-12 18:23:34,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:34,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 18:23:34,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:34,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-12 18:23:34,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:34,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:23:34,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:34,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:34,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:34,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:23:34,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:23:34,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 18:23:34,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:34,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:23:34,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:34,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-12 18:23:34,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:34,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:23:34,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:34,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:34,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:34,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:23:34,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:23:34,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:23:34,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:34,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 18:23:34,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:34,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:23:34,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:34,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:23:34,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:34,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:34,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:34,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:23:34,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:23:34,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:23:34,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:34,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:23:34,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:34,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:23:34,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:34,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 18:23:34,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:34,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:34,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:34,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:23:34,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:23:34,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:23:34,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:34,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:23:34,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:34,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:23:34,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:34,861 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2020-10-12 18:23:34,861 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1904777604] [2020-10-12 18:23:34,862 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:23:34,862 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-12 18:23:34,862 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132150587] [2020-10-12 18:23:34,863 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-12 18:23:34,863 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:23:34,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-12 18:23:34,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=420, Unknown=0, NotChecked=0, Total=462 [2020-10-12 18:23:34,863 INFO L87 Difference]: Start difference. First operand 91 states and 117 transitions. Second operand 22 states. [2020-10-12 18:23:35,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:23:35,225 INFO L93 Difference]: Finished difference Result 98 states and 125 transitions. [2020-10-12 18:23:35,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-12 18:23:35,226 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 109 [2020-10-12 18:23:35,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:23:35,227 INFO L225 Difference]: With dead ends: 98 [2020-10-12 18:23:35,227 INFO L226 Difference]: Without dead ends: 94 [2020-10-12 18:23:35,228 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 42 SyntacticMatches, 3 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=62, Invalid=640, Unknown=0, NotChecked=0, Total=702 [2020-10-12 18:23:35,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-10-12 18:23:35,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 91. [2020-10-12 18:23:35,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-10-12 18:23:35,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 117 transitions. [2020-10-12 18:23:35,254 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 117 transitions. Word has length 109 [2020-10-12 18:23:35,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:23:35,254 INFO L479 AbstractCegarLoop]: Abstraction has 91 states and 117 transitions. [2020-10-12 18:23:35,254 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-12 18:23:35,254 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 117 transitions. [2020-10-12 18:23:35,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-12 18:23:35,257 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:23:35,257 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 7, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:23:35,257 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-12 18:23:35,257 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:23:35,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:23:35,258 INFO L82 PathProgramCache]: Analyzing trace with hash -1188454539, now seen corresponding path program 4 times [2020-10-12 18:23:35,258 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:23:35,258 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [117858004] [2020-10-12 18:23:35,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:23:35,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:35,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:35,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:35,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:35,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:35,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:35,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:35,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:36,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:36,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:36,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:36,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:36,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:36,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:36,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:36,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:36,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:36,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:37,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:37,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:37,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:37,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:37,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:37,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:37,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:40,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:40,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-12 18:23:40,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 24 [2020-10-12 18:23:40,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-12 18:23:40,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:40,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-12 18:23:40,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-12 18:23:40,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-12 18:23:40,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:40,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:23:40,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:40,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:40,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:40,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:23:40,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:23:40,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:23:40,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:40,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:23:40,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:40,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:23:40,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:40,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:23:40,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:40,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:40,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:40,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:40,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:40,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:40,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:40,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:40,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:40,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:40,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:40,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:40,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:40,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:40,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:40,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:40,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:40,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:41,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:43,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:45,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:45,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-12 18:23:45,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-12 18:23:45,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-12 18:23:45,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:45,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-12 18:23:45,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-12 18:23:45,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-12 18:23:45,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:45,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:23:45,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:45,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:45,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:45,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:45,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:45,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:45,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:45,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:45,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:47,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:47,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:47,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:47,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:47,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:47,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:47,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:47,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:48,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:48,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:49,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:49,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:49,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:49,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:49,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:49,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:49,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:49,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:49,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:50,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:50,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-12 18:23:50,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 27 [2020-10-12 18:23:50,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-10-12 18:23:50,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:50,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-12 18:23:50,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-12 18:23:50,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-12 18:23:50,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 18:23:50,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:23:50,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:50,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:50,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:50,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:50,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:50,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:50,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:50,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:50,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:50,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:50,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:50,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:50,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:51,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:51,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:55,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:55,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-12 18:23:55,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-12 18:23:55,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-12 18:23:55,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:55,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:23:55,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:55,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-12 18:23:55,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:55,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:23:55,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:55,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:55,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:55,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:55,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:55,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:55,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:55,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:23:55,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 18:23:55,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 278 [2020-10-12 18:23:55,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:55,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:23:55,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:55,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 18:23:55,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:55,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:23:55,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:55,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:55,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:55,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:55,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:55,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:23:55,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:23:55,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-12 18:23:55,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:55,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:23:55,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:55,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:23:55,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:23:55,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:23:55,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:55,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:55,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:55,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:55,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:23:55,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:23:55,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 18:23:55,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:55,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:23:55,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:55,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:23:55,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:23:55,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:23:55,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:55,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:55,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:55,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:23:55,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:23:55,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:23:55,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:55,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:23:55,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:55,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:23:55,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:23:56,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 18:23:56,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:56,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:56,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:56,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:23:56,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:23:56,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:23:56,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:56,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:23:56,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:56,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:23:56,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:23:56,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 18:23:56,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:56,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:56,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:56,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:56,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:56,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:23:56,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:23:56,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-12 18:23:56,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:56,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:23:56,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:56,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:23:56,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:56,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:23:56,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:56,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:56,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:56,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:56,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:23:56,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:23:56,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 18:23:56,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:56,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:23:56,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:56,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:23:56,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:23:56,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:23:56,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:56,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:56,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:56,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:23:56,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:23:56,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:23:56,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:56,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:23:56,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:56,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:23:56,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:56,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 18:23:56,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:56,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:56,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:56,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:56,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:56,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:23:56,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:23:56,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-10-12 18:23:56,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:56,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:23:56,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 18:23:56,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-12 18:23:56,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:23:56,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:23:56,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:56,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:56,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:56,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:56,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:23:56,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:23:56,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 18:23:56,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:56,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:23:56,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:56,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:23:56,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:56,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:23:56,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:56,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:56,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:56,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:23:56,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:23:56,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:23:56,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:56,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:23:56,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:56,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:23:56,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:56,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 18:23:56,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:56,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:56,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:56,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:23:56,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:23:56,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 18:23:56,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:56,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:23:56,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-12 18:23:56,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:23:56,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:56,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:23:56,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:56,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:56,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:56,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:23:56,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:23:56,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:23:56,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:56,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:23:56,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:56,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:23:56,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:56,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:23:56,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:56,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:56,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:56,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:23:56,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:23:56,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:23:56,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:56,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:23:56,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:56,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:23:56,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:56,402 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 99 proven. 139 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2020-10-12 18:23:56,403 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [117858004] [2020-10-12 18:23:56,403 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:23:56,403 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-12 18:23:56,403 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850951015] [2020-10-12 18:23:56,404 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-12 18:23:56,405 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:23:56,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-12 18:23:56,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=398, Unknown=0, NotChecked=0, Total=462 [2020-10-12 18:23:56,406 INFO L87 Difference]: Start difference. First operand 91 states and 117 transitions. Second operand 22 states. [2020-10-12 18:23:56,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:23:56,825 INFO L93 Difference]: Finished difference Result 179 states and 239 transitions. [2020-10-12 18:23:56,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-12 18:23:56,825 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 122 [2020-10-12 18:23:56,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:23:56,827 INFO L225 Difference]: With dead ends: 179 [2020-10-12 18:23:56,827 INFO L226 Difference]: Without dead ends: 96 [2020-10-12 18:23:56,828 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=154, Invalid=776, Unknown=0, NotChecked=0, Total=930 [2020-10-12 18:23:56,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2020-10-12 18:23:56,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 92. [2020-10-12 18:23:56,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-10-12 18:23:56,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 115 transitions. [2020-10-12 18:23:56,839 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 115 transitions. Word has length 122 [2020-10-12 18:23:56,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:23:56,839 INFO L479 AbstractCegarLoop]: Abstraction has 92 states and 115 transitions. [2020-10-12 18:23:56,840 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-12 18:23:56,840 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 115 transitions. [2020-10-12 18:23:56,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-12 18:23:56,843 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:23:56,843 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 14, 14, 13, 12, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 6, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:23:56,843 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-12 18:23:56,844 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:23:56,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:23:56,844 INFO L82 PathProgramCache]: Analyzing trace with hash -678687486, now seen corresponding path program 5 times [2020-10-12 18:23:56,844 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:23:56,845 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [509393573] [2020-10-12 18:23:56,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:23:56,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:56,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:56,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:56,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:56,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:56,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:57,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:57,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:57,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:59,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:59,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:00,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:01,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:01,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 286 [2020-10-12 18:24:01,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-12 18:24:01,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-12 18:24:01,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:01,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-12 18:24:01,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 18:24:01,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-12 18:24:01,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:01,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:24:01,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:01,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:01,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:01,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:24:01,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:24:01,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:24:01,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:01,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:24:01,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:01,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:24:01,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:01,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:24:01,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:01,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:01,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:02,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:02,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:02,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:02,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:02,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:02,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:02,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:04,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:06,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:06,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-12 18:24:06,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-12 18:24:06,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-12 18:24:06,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:06,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-12 18:24:06,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 18:24:06,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-12 18:24:06,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:06,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:24:06,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:06,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:06,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:07,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:07,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:07,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:07,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:07,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:11,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:11,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-12 18:24:11,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 18:24:11,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-12 18:24:11,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:11,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 18:24:11,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:11,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-12 18:24:11,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:11,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:24:11,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:11,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:12,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:12,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:12,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:12,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:16,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:16,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-12 18:24:16,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 18:24:16,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-12 18:24:16,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:16,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:24:16,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:16,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-12 18:24:16,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:17,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:24:17,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:17,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:17,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:17,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:17,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:17,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:24:17,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:24:17,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 267 [2020-10-12 18:24:17,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:17,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:24:17,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:17,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 18:24:17,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:17,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:24:17,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:17,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:17,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:17,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:17,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:24:17,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:24:17,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-12 18:24:17,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:17,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:24:17,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:17,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:24:17,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:17,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:24:17,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:17,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:17,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:17,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:24:17,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:24:17,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:24:17,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:17,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:24:17,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:17,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:24:17,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:17,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:24:17,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:17,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:17,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:17,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:24:17,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:24:17,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:24:17,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:17,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:24:17,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:17,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:24:17,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:17,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 18:24:17,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:17,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:17,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:17,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:24:17,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:24:17,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:24:17,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:17,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:24:17,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:17,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:24:17,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:17,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 18:24:17,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:17,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:17,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:17,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:24:17,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:24:17,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 18:24:17,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:17,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:24:17,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:17,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-12 18:24:17,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:17,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:24:17,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:17,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:17,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:17,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:24:17,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:24:17,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:24:17,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:17,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:24:17,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:17,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:24:17,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:17,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:24:17,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:17,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:17,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:17,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:24:17,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:24:17,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:24:17,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:17,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:24:17,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:17,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:24:17,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:17,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 18:24:17,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:17,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:17,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:17,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:24:17,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:24:17,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 18:24:17,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:17,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:24:17,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:17,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-12 18:24:17,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:17,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:24:17,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:17,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:17,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:17,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:24:17,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:24:17,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:24:17,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:17,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:24:17,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:17,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:24:17,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:17,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:24:17,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:17,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:17,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:17,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:24:17,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:24:17,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:24:17,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:17,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:24:17,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:17,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:24:17,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:17,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:24:17,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:17,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:17,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:17,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:24:17,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:24:17,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:24:17,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:17,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:24:17,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:17,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:24:17,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:17,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 18:24:17,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:17,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:17,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:17,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:24:17,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:24:17,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:24:17,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:17,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:24:17,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:17,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:24:17,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:17,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-12 18:24:17,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:17,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:17,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:17,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:17,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:17,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:17,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:17,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:17,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:17,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:18,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:18,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:18,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:18,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:18,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:18,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:22,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:22,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-12 18:24:22,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-12 18:24:22,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-12 18:24:22,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:22,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-12 18:24:22,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 18:24:22,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-12 18:24:22,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:22,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:24:22,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:22,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:22,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:22,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:22,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:22,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:22,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:22,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:22,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:22,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:22,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:22,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:23,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:23,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:26,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:27,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:27,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-12 18:24:27,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-12 18:24:27,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-12 18:24:27,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:27,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 18:24:27,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:27,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-12 18:24:27,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:27,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:24:27,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:27,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:27,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:27,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:27,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:27,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:27,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:28,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:28,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:24:28,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 18:24:28,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 639 [2020-10-12 18:24:28,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:28,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:24:28,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:28,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 18:24:28,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:28,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:24:28,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:28,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:28,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:28,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:28,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:28,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:24:28,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:24:28,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-12 18:24:28,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:28,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:24:28,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:28,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:24:28,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:28,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:24:28,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:28,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:28,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:28,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:28,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:24:28,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:24:28,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 18:24:28,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:28,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:24:28,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:28,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:24:28,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:28,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:24:28,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:28,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:28,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:28,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:24:28,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:24:28,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:24:28,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:28,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:24:28,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:28,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:24:28,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:28,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 18:24:28,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:28,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:28,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:28,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:24:28,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:24:28,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:24:28,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:28,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:24:28,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:28,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:24:28,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:28,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 18:24:28,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:28,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:28,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:28,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:28,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:28,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:24:28,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:24:28,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-12 18:24:28,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:28,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:24:28,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:28,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:24:28,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:28,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:24:28,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:28,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:28,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:28,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:24:28,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:24:28,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 18:24:28,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:28,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:24:28,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:28,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:24:28,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:28,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:24:28,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:28,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:28,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:28,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:24:28,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:24:28,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:24:28,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:28,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:24:28,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:28,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:24:28,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:28,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 18:24:28,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:28,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:28,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:28,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:28,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:28,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:28,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:28,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:28,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:24:28,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 18:24:28,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 241 [2020-10-12 18:24:28,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:28,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:24:28,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:28,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 18:24:28,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:28,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:24:28,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:28,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:28,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:28,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:28,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:28,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:24:28,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:24:28,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-12 18:24:28,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:28,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:24:28,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:28,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:24:28,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:28,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:24:28,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:28,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:28,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:28,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:28,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:24:28,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:24:28,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:24:28,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:28,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:24:28,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:28,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:24:28,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:28,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:24:28,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:28,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:28,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:28,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:24:28,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:24:28,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:24:28,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:28,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:24:28,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:28,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:24:28,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:28,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 18:24:28,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:28,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:28,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:28,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:24:28,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:24:28,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:24:28,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:28,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:24:28,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:28,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:24:28,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:29,010 INFO L134 CoverageAnalysis]: Checked inductivity of 1248 backedges. 418 proven. 384 refuted. 0 times theorem prover too weak. 446 trivial. 0 not checked. [2020-10-12 18:24:29,010 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [509393573] [2020-10-12 18:24:29,010 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:24:29,011 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2020-10-12 18:24:29,011 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652095573] [2020-10-12 18:24:29,011 INFO L459 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-10-12 18:24:29,012 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:24:29,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-10-12 18:24:29,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=767, Unknown=0, NotChecked=0, Total=870 [2020-10-12 18:24:29,012 INFO L87 Difference]: Start difference. First operand 92 states and 115 transitions. Second operand 30 states. [2020-10-12 18:24:30,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:24:30,458 INFO L93 Difference]: Finished difference Result 231 states and 347 transitions. [2020-10-12 18:24:30,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2020-10-12 18:24:30,459 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 218 [2020-10-12 18:24:30,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:24:30,461 INFO L225 Difference]: With dead ends: 231 [2020-10-12 18:24:30,461 INFO L226 Difference]: Without dead ends: 142 [2020-10-12 18:24:30,466 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 58 SyntacticMatches, 2 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 842 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=489, Invalid=3051, Unknown=0, NotChecked=0, Total=3540 [2020-10-12 18:24:30,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2020-10-12 18:24:30,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 130. [2020-10-12 18:24:30,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-10-12 18:24:30,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 171 transitions. [2020-10-12 18:24:30,488 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 171 transitions. Word has length 218 [2020-10-12 18:24:30,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:24:30,491 INFO L479 AbstractCegarLoop]: Abstraction has 130 states and 171 transitions. [2020-10-12 18:24:30,491 INFO L480 AbstractCegarLoop]: Interpolant automaton has 30 states. [2020-10-12 18:24:30,491 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 171 transitions. [2020-10-12 18:24:30,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-12 18:24:30,493 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:24:30,493 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 8, 8, 8, 7, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:24:30,493 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-12 18:24:30,494 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:24:30,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:24:30,495 INFO L82 PathProgramCache]: Analyzing trace with hash 551579060, now seen corresponding path program 6 times [2020-10-12 18:24:30,495 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:24:30,496 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [892016130] [2020-10-12 18:24:30,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:24:30,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:30,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:30,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:30,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:30,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:30,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:30,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:30,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:30,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:30,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:30,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:30,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:33,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:33,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:35,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:35,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-12 18:24:35,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-12 18:24:35,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-12 18:24:35,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:35,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-12 18:24:35,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 18:24:35,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-12 18:24:35,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:35,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:24:35,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:35,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:35,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:35,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:24:35,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:24:35,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:24:35,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:35,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:24:35,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:35,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:24:35,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:35,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:24:35,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:35,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:35,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:35,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:35,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:35,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:35,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:35,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:35,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:35,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:35,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:35,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:35,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:36,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:36,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:36,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:37,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:40,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:40,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-10-12 18:24:40,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-12 18:24:40,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-12 18:24:40,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:40,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-12 18:24:40,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 18:24:40,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 165 [2020-10-12 18:24:40,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:40,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:24:40,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:40,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:40,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:40,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:40,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:40,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:40,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:40,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:40,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:40,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:40,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:40,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:41,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:41,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:41,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:41,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:45,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:45,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-12 18:24:45,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-12 18:24:45,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-12 18:24:45,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:45,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-12 18:24:45,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:45,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-12 18:24:45,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:45,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:24:45,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:45,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:45,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:45,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:45,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:45,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:45,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:45,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:45,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:45,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:45,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:45,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:46,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:46,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:47,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:50,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:50,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-12 18:24:50,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-12 18:24:50,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-12 18:24:50,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:50,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 18:24:50,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:50,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-12 18:24:50,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:50,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:24:50,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:50,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:50,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:50,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:50,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:50,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:50,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:51,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:51,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:24:51,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 18:24:51,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 571 [2020-10-12 18:24:51,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:51,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:24:51,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:51,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 18:24:51,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:51,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:24:51,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:51,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:51,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:51,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:51,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:51,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:24:51,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:24:51,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-12 18:24:51,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:51,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:24:51,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:51,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:24:51,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:51,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:24:51,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:51,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:51,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:51,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:51,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:24:51,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:24:51,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 18:24:51,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:51,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:24:51,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:51,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:24:51,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:51,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:24:51,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:51,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:51,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:51,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:24:51,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:24:51,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:24:51,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:51,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:24:51,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:51,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:24:51,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:51,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 18:24:51,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:51,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:51,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:51,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:24:51,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:24:51,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:24:51,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:51,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:24:51,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:51,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:24:51,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:51,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 18:24:51,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:51,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:51,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:51,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:51,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:51,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:24:51,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:24:51,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-12 18:24:51,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:51,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:24:51,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:51,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:24:51,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:51,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:24:51,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:51,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:51,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:51,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:51,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:24:51,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:24:51,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 18:24:51,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:51,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:24:51,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:51,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:24:51,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:51,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:24:51,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:51,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:51,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:51,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:24:51,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:24:51,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:24:51,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:51,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:24:51,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:51,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:24:51,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:51,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 18:24:51,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:51,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:51,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:51,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:51,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:51,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:51,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:51,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:51,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:24:51,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 18:24:51,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-10-12 18:24:51,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:51,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:24:51,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:51,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 18:24:51,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:51,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:24:51,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:51,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:51,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:51,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:51,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:51,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:24:51,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:24:51,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-12 18:24:51,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:51,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:24:51,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:51,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:24:51,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:51,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:24:51,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:51,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:51,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:51,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:51,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:24:51,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:24:51,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:24:51,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:51,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:24:51,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:51,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:24:51,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:51,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:24:51,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:51,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:51,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:51,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:24:51,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:24:51,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:24:51,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:51,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:24:51,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:51,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:24:51,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:51,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 18:24:51,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:51,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:51,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:51,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:24:51,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:24:51,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:24:51,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:51,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:24:51,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:51,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:24:51,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:51,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-12 18:24:51,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:51,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:51,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:51,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:24:51,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:24:51,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 18:24:51,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:51,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:24:51,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:51,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-12 18:24:51,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:51,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:24:51,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:51,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:51,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:51,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:24:51,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:24:51,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:24:51,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:51,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:24:51,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:51,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:24:51,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:51,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:24:51,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:51,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:51,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:51,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:24:51,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:24:51,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:24:51,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:51,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:24:51,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:51,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:24:51,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:51,761 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 104 proven. 194 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2020-10-12 18:24:51,762 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [892016130] [2020-10-12 18:24:51,762 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:24:51,762 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-10-12 18:24:51,762 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514324230] [2020-10-12 18:24:51,763 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-12 18:24:51,763 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:24:51,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-12 18:24:51,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=349, Unknown=0, NotChecked=0, Total=420 [2020-10-12 18:24:51,764 INFO L87 Difference]: Start difference. First operand 130 states and 171 transitions. Second operand 21 states. [2020-10-12 18:24:52,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:24:52,326 INFO L93 Difference]: Finished difference Result 249 states and 343 transitions. [2020-10-12 18:24:52,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-12 18:24:52,327 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 136 [2020-10-12 18:24:52,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:24:52,327 INFO L225 Difference]: With dead ends: 249 [2020-10-12 18:24:52,327 INFO L226 Difference]: Without dead ends: 0 [2020-10-12 18:24:52,329 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=169, Invalid=761, Unknown=0, NotChecked=0, Total=930 [2020-10-12 18:24:52,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-12 18:24:52,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-12 18:24:52,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-12 18:24:52,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-12 18:24:52,330 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 136 [2020-10-12 18:24:52,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:24:52,331 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-12 18:24:52,331 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-12 18:24:52,331 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-12 18:24:52,331 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-12 18:24:52,331 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-12 18:24:52,334 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-12 18:24:53,592 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 27 [2020-10-12 18:24:54,015 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 28 [2020-10-12 18:24:54,020 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-10-12 18:24:54,020 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-12 18:24:54,020 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-12 18:24:54,020 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-12 18:24:54,020 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-12 18:24:54,020 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-12 18:24:54,021 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 39) no Hoare annotation was computed. [2020-10-12 18:24:54,021 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 35 42) the Hoare annotation is: true [2020-10-12 18:24:54,021 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 35 42) no Hoare annotation was computed. [2020-10-12 18:24:54,021 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 35 42) no Hoare annotation was computed. [2020-10-12 18:24:54,021 INFO L268 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-12 18:24:54,021 INFO L268 CegarLoopResult]: For program point L38(lines 38 40) no Hoare annotation was computed. [2020-10-12 18:24:54,022 INFO L264 CegarLoopResult]: At program point L37(line 37) the Hoare annotation is: (and (<= main_~x~0 5) (<= 5 main_~x~0)) [2020-10-12 18:24:54,022 INFO L268 CegarLoopResult]: For program point L37-1(line 37) no Hoare annotation was computed. [2020-10-12 18:24:54,022 INFO L268 CegarLoopResult]: For program point L38-2(lines 38 40) no Hoare annotation was computed. [2020-10-12 18:24:54,022 INFO L271 CegarLoopResult]: At program point fibo2ENTRY(lines 17 25) the Hoare annotation is: true [2020-10-12 18:24:54,022 INFO L264 CegarLoopResult]: At program point L23(line 23) the Hoare annotation is: (and (= fibo2_~n |fibo2_#in~n|) (< 1 fibo2_~n)) [2020-10-12 18:24:54,022 INFO L268 CegarLoopResult]: For program point L23-1(line 23) no Hoare annotation was computed. [2020-10-12 18:24:54,023 INFO L264 CegarLoopResult]: At program point L23-2(line 23) the Hoare annotation is: (let ((.cse0 (<= |fibo2_#t~ret2| 1))) (and (or (and .cse0 (< 1 fibo2_~n) (<= fibo2_~n |fibo2_#in~n|) (<= |fibo2_#in~n| 2)) (and (<= 3 |fibo2_#in~n|) (= fibo2_~n |fibo2_#in~n|))) (or (and (<= |fibo2_#in~n| 3) .cse0 (<= 1 |fibo2_#t~ret2|)) (and (not (= fibo2_~n 3)) (<= 2 |fibo2_#t~ret2|) (<= |fibo2_#t~ret2| 2)) (<= 5 |fibo2_#in~n|)))) [2020-10-12 18:24:54,024 INFO L268 CegarLoopResult]: For program point L20(lines 20 24) no Hoare annotation was computed. [2020-10-12 18:24:54,024 INFO L268 CegarLoopResult]: For program point L23-3(line 23) no Hoare annotation was computed. [2020-10-12 18:24:54,024 INFO L268 CegarLoopResult]: For program point L18(lines 18 24) no Hoare annotation was computed. [2020-10-12 18:24:54,024 INFO L268 CegarLoopResult]: For program point fibo2FINAL(lines 17 25) no Hoare annotation was computed. [2020-10-12 18:24:54,024 INFO L268 CegarLoopResult]: For program point fibo2EXIT(lines 17 25) no Hoare annotation was computed. [2020-10-12 18:24:54,024 INFO L271 CegarLoopResult]: At program point fibo1ENTRY(lines 7 15) the Hoare annotation is: true [2020-10-12 18:24:54,024 INFO L264 CegarLoopResult]: At program point L13(line 13) the Hoare annotation is: (and (< 1 fibo1_~n) (= fibo1_~n |fibo1_#in~n|)) [2020-10-12 18:24:54,025 INFO L268 CegarLoopResult]: For program point L13-1(line 13) no Hoare annotation was computed. [2020-10-12 18:24:54,026 INFO L264 CegarLoopResult]: At program point L13-2(line 13) the Hoare annotation is: (let ((.cse1 (<= |fibo1_#in~n| 4)) (.cse5 (<= |fibo1_#t~ret0| 1)) (.cse6 (<= 1 |fibo1_#t~ret0|)) (.cse4 (= fibo1_~n |fibo1_#in~n|))) (let ((.cse0 (and .cse5 .cse6 (<= 2 fibo1_~n) .cse4 (<= fibo1_~n 2))) (.cse2 (and .cse5 (<= fibo1_~n 4) .cse6 .cse4 (<= 3 |fibo1_#in~n|))) (.cse3 (and (<= 4 |fibo1_#in~n|) .cse4 .cse1))) (and (or .cse0 (not .cse1) .cse2 .cse3) (or .cse0 (and (<= 3 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 3)) .cse2 .cse3 (<= 6 |fibo1_#in~n|)) .cse4))) [2020-10-12 18:24:54,026 INFO L268 CegarLoopResult]: For program point fibo1FINAL(lines 7 15) no Hoare annotation was computed. [2020-10-12 18:24:54,026 INFO L268 CegarLoopResult]: For program point L10(lines 10 14) no Hoare annotation was computed. [2020-10-12 18:24:54,026 INFO L268 CegarLoopResult]: For program point L13-3(line 13) no Hoare annotation was computed. [2020-10-12 18:24:54,027 INFO L268 CegarLoopResult]: For program point L8(lines 8 14) no Hoare annotation was computed. [2020-10-12 18:24:54,027 INFO L268 CegarLoopResult]: For program point fibo1EXIT(lines 7 15) no Hoare annotation was computed. [2020-10-12 18:24:54,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 06:24:54 BoogieIcfgContainer [2020-10-12 18:24:54,035 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-12 18:24:54,037 INFO L168 Benchmark]: Toolchain (without parser) took 180761.02 ms. Allocated memory was 145.2 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 101.5 MB in the beginning and 1.0 GB in the end (delta: -922.4 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2020-10-12 18:24:54,038 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 145.2 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-12 18:24:54,043 INFO L168 Benchmark]: CACSL2BoogieTranslator took 236.09 ms. Allocated memory is still 145.2 MB. Free memory was 101.3 MB in the beginning and 91.6 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2020-10-12 18:24:54,051 INFO L168 Benchmark]: Boogie Preprocessor took 120.96 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 91.6 MB in the beginning and 181.3 MB in the end (delta: -89.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. [2020-10-12 18:24:54,052 INFO L168 Benchmark]: RCFGBuilder took 270.59 ms. Allocated memory is still 202.4 MB. Free memory was 181.3 MB in the beginning and 167.3 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. [2020-10-12 18:24:54,053 INFO L168 Benchmark]: TraceAbstraction took 180128.60 ms. Allocated memory was 202.4 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 166.6 MB in the beginning and 1.0 GB in the end (delta: -857.3 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2020-10-12 18:24:54,058 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 145.2 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 236.09 ms. Allocated memory is still 145.2 MB. Free memory was 101.3 MB in the beginning and 91.6 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 120.96 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 91.6 MB in the beginning and 181.3 MB in the end (delta: -89.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 270.59 ms. Allocated memory is still 202.4 MB. Free memory was 181.3 MB in the beginning and 167.3 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 180128.60 ms. Allocated memory was 202.4 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 166.6 MB in the beginning and 1.0 GB in the end (delta: -857.3 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 39]: 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 33 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 178.3s, OverallIterations: 15, TraceHistogramMax: 17, AutomataDifference: 6.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 506 SDtfs, 742 SDslu, 3848 SDs, 0 SdLazy, 4245 SolverSat, 827 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 735 GetRequests, 402 SyntacticMatches, 12 SemanticMatches, 321 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1846 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=130occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 15 MinimizatonAttempts, 71 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 434 PreInvPairs, 983 NumberOfFragments, 178 HoareAnnotationTreeSize, 434 FomulaSimplifications, 12416 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 11 FomulaSimplificationsInter, 3340 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 170.9s InterpolantComputationTime, 1223 NumberOfCodeBlocks, 1223 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1208 ConstructedInterpolants, 0 QuantifiedInterpolants, 365986 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 3 PerfectInterpolantSequences, 2083/3312 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...