/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --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_4-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 02:05:52,236 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 02:05:52,239 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 02:05:52,278 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 02:05:52,278 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 02:05:52,287 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 02:05:52,288 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 02:05:52,292 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 02:05:52,294 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 02:05:52,297 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 02:05:52,298 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 02:05:52,299 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 02:05:52,299 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 02:05:52,302 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 02:05:52,304 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 02:05:52,305 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 02:05:52,307 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 02:05:52,308 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 02:05:52,309 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 02:05:52,317 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 02:05:52,319 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 02:05:52,320 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 02:05:52,321 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 02:05:52,321 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 02:05:52,333 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 02:05:52,334 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 02:05:52,334 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 02:05:52,340 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 02:05:52,340 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 02:05:52,342 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 02:05:52,343 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 02:05:52,343 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 02:05:52,344 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 02:05:52,348 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 02:05:52,349 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 02:05:52,349 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 02:05:52,350 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 02:05:52,350 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 02:05:52,351 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 02:05:52,352 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 02:05:52,352 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 02:05:52,353 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 [2020-10-15 02:05:52,390 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 02:05:52,390 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 02:05:52,392 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 02:05:52,393 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 02:05:52,393 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 02:05:52,393 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 02:05:52,394 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 02:05:52,394 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 02:05:52,394 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 02:05:52,394 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 02:05:52,395 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 02:05:52,395 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 02:05:52,395 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 02:05:52,396 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 02:05:52,396 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 02:05:52,396 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 02:05:52,396 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 02:05:52,396 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 02:05:52,397 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 02:05:52,397 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 02:05:52,397 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 02:05:52,397 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 02:05:52,397 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 02:05:52,398 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 02:05:52,398 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 02:05:52,398 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 02:05:52,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 02:05:52,398 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 02:05:52,398 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 02:05:52,399 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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-15 02:05:52,706 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 02:05:52,723 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 02:05:52,727 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 02:05:52,728 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 02:05:52,728 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 02:05:52,729 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_4-1.c [2020-10-15 02:05:52,790 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fd29e79e1/3e50ae9e35a04fa0bde438327a19fc17/FLAGd5ad6cc9d [2020-10-15 02:05:53,219 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 02:05:53,220 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_2calls_4-1.c [2020-10-15 02:05:53,226 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fd29e79e1/3e50ae9e35a04fa0bde438327a19fc17/FLAGd5ad6cc9d [2020-10-15 02:05:53,602 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fd29e79e1/3e50ae9e35a04fa0bde438327a19fc17 [2020-10-15 02:05:53,611 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 02:05:53,612 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 02:05:53,613 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 02:05:53,614 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 02:05:53,617 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 02:05:53,618 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:05:53" (1/1) ... [2020-10-15 02:05:53,621 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78532141 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:05:53, skipping insertion in model container [2020-10-15 02:05:53,621 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:05:53" (1/1) ... [2020-10-15 02:05:53,629 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 02:05:53,648 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 02:05:53,806 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 02:05:53,810 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 02:05:53,825 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 02:05:53,837 INFO L208 MainTranslator]: Completed translation [2020-10-15 02:05:53,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:05:53 WrapperNode [2020-10-15 02:05:53,838 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 02:05:53,839 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 02:05:53,839 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 02:05:53,839 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 02:05:53,849 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:05:53" (1/1) ... [2020-10-15 02:05:53,850 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:05:53" (1/1) ... [2020-10-15 02:05:53,944 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:05:53" (1/1) ... [2020-10-15 02:05:53,944 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:05:53" (1/1) ... [2020-10-15 02:05:53,950 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:05:53" (1/1) ... [2020-10-15 02:05:53,952 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:05:53" (1/1) ... [2020-10-15 02:05:53,953 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:05:53" (1/1) ... [2020-10-15 02:05:53,955 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 02:05:53,955 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 02:05:53,955 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 02:05:53,955 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 02:05:53,956 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:05:53" (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 [2020-10-15 02:05:54,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 02:05:54,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 02:05:54,025 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-10-15 02:05:54,025 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-10-15 02:05:54,025 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 02:05:54,025 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-15 02:05:54,025 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 02:05:54,027 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-10-15 02:05:54,027 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-10-15 02:05:54,027 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 02:05:54,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 02:05:54,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 02:05:54,232 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 02:05:54,232 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-15 02:05:54,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:05:54 BoogieIcfgContainer [2020-10-15 02:05:54,238 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 02:05:54,240 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 02:05:54,240 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 02:05:54,243 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 02:05:54,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 02:05:53" (1/3) ... [2020-10-15 02:05:54,245 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52226f83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:05:54, skipping insertion in model container [2020-10-15 02:05:54,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:05:53" (2/3) ... [2020-10-15 02:05:54,245 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52226f83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:05:54, skipping insertion in model container [2020-10-15 02:05:54,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:05:54" (3/3) ... [2020-10-15 02:05:54,247 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_2calls_4-1.c [2020-10-15 02:05:54,260 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 02:05:54,270 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 02:05:54,299 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 02:05:54,360 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 02:05:54,360 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 02:05:54,361 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 02:05:54,361 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 02:05:54,361 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 02:05:54,364 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 02:05:54,364 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 02:05:54,364 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 02:05:54,385 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-10-15 02:05:54,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-15 02:05:54,391 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:05:54,392 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:05:54,392 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:05:54,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:05:54,398 INFO L82 PathProgramCache]: Analyzing trace with hash 1464461757, now seen corresponding path program 1 times [2020-10-15 02:05:54,404 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:05:54,405 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1892905526] [2020-10-15 02:05:54,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:05:54,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:05:54,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:54,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:05:54,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-15 02:05:54,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:05:54,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-15 02:05:54,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:05:54,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:05:54,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:05:54,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-15 02:05:54,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:05:54,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 02:05:54,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:05:54,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:05:54,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:54,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:05:54,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:05:54,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:05:54,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:05:54,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:05:54,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:05:54,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:05:54,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:05:54,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:05:54,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:05:54,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:05:54,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:05:54,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:54,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:05:54,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:05:54,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:05:54,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-15 02:05:54,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:05:54,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:05:54,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:05:54,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:05:54,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:05:54,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:05:54,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:05:54,715 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1892905526] [2020-10-15 02:05:54,717 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:05:54,718 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 02:05:54,719 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883601742] [2020-10-15 02:05:54,723 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 02:05:54,724 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:05:54,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 02:05:54,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-15 02:05:54,737 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 5 states. [2020-10-15 02:05:54,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:05:54,851 INFO L93 Difference]: Finished difference Result 44 states and 53 transitions. [2020-10-15 02:05:54,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-15 02:05:54,853 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-10-15 02:05:54,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:05:54,865 INFO L225 Difference]: With dead ends: 44 [2020-10-15 02:05:54,865 INFO L226 Difference]: Without dead ends: 30 [2020-10-15 02:05:54,869 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 [2020-10-15 02:05:54,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-10-15 02:05:54,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-10-15 02:05:54,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-15 02:05:54,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-10-15 02:05:54,922 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 13 [2020-10-15 02:05:54,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:05:54,923 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-10-15 02:05:54,923 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 02:05:54,924 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-10-15 02:05:54,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-15 02:05:54,926 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:05:54,926 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:05:54,926 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 02:05:54,927 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:05:54,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:05:54,927 INFO L82 PathProgramCache]: Analyzing trace with hash -1134800479, now seen corresponding path program 1 times [2020-10-15 02:05:54,928 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:05:54,928 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [878058616] [2020-10-15 02:05:54,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:05:54,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:05:54,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:55,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:05:55,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-15 02:05:55,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:05:55,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-15 02:05:55,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:05:55,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:05:55,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:05:55,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-15 02:05:55,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:05:55,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:05:55,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:05:55,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:05:55,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:55,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:05:55,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:05:55,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:05:55,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:05:55,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:05:55,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:05:55,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:05:55,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:05:55,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:05:55,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:05:55,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:05:55,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:05:55,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:55,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:05:55,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:05:55,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:05:55,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-15 02:05:55,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:05:55,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:05:55,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:05:55,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:05:55,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:05:55,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:05:55,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:05:55,166 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [878058616] [2020-10-15 02:05:55,166 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:05:55,166 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 02:05:55,167 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713581059] [2020-10-15 02:05:55,168 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 02:05:55,168 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:05:55,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 02:05:55,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-15 02:05:55,171 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 5 states. [2020-10-15 02:05:55,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:05:55,239 INFO L93 Difference]: Finished difference Result 36 states and 44 transitions. [2020-10-15 02:05:55,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-15 02:05:55,240 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-10-15 02:05:55,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:05:55,242 INFO L225 Difference]: With dead ends: 36 [2020-10-15 02:05:55,242 INFO L226 Difference]: Without dead ends: 32 [2020-10-15 02:05:55,243 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 [2020-10-15 02:05:55,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-10-15 02:05:55,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 30. [2020-10-15 02:05:55,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-15 02:05:55,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-10-15 02:05:55,253 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 14 [2020-10-15 02:05:55,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:05:55,253 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-10-15 02:05:55,254 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 02:05:55,254 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-10-15 02:05:55,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-15 02:05:55,256 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:05:55,256 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] [2020-10-15 02:05:55,256 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 02:05:55,256 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:05:55,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:05:55,257 INFO L82 PathProgramCache]: Analyzing trace with hash -1592795560, now seen corresponding path program 1 times [2020-10-15 02:05:55,257 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:05:55,258 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [994233540] [2020-10-15 02:05:55,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:05:55,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:05:55,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:55,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:55,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:55,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:05:55,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-15 02:05:55,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 02:05:55,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 510 [2020-10-15 02:05:55,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:05:55,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:05:55,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:05:55,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-15 02:05:55,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-15 02:05:55,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:05:55,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:05:55,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:05:55,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:55,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:05:55,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:05:55,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:05:55,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:05:55,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:05:55,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:05:55,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:05:55,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:05:55,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:05:55,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:05:55,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:05:55,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:05:55,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:55,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:55,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:55,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:05:55,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-15 02:05:55,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 02:05:55,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-10-15 02:05:55,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:05:55,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:05:55,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:05:55,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:05:55,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-15 02:05:55,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:05:55,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:05:55,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:05:55,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:55,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:05:55,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:05:55,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:05:55,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:05:55,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:05:55,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:05:55,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:05:55,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:05:55,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:05:55,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:05:55,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 02:05:56,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:05:56,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:56,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:05:56,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:05:56,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:05:56,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:05:56,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:05:56,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:05:56,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:05:56,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:05:56,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:05:56,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:05:56,015 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-15 02:05:56,015 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [994233540] [2020-10-15 02:05:56,016 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:05:56,016 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-15 02:05:56,016 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499517773] [2020-10-15 02:05:56,017 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 02:05:56,017 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:05:56,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 02:05:56,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-15 02:05:56,018 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 7 states. [2020-10-15 02:05:56,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:05:56,167 INFO L93 Difference]: Finished difference Result 41 states and 52 transitions. [2020-10-15 02:05:56,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-15 02:05:56,168 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-10-15 02:05:56,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:05:56,170 INFO L225 Difference]: With dead ends: 41 [2020-10-15 02:05:56,170 INFO L226 Difference]: Without dead ends: 37 [2020-10-15 02:05:56,171 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 [2020-10-15 02:05:56,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-10-15 02:05:56,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 35. [2020-10-15 02:05:56,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-10-15 02:05:56,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 45 transitions. [2020-10-15 02:05:56,182 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 45 transitions. Word has length 26 [2020-10-15 02:05:56,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:05:56,183 INFO L479 AbstractCegarLoop]: Abstraction has 35 states and 45 transitions. [2020-10-15 02:05:56,183 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 02:05:56,183 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2020-10-15 02:05:56,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-15 02:05:56,185 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:05:56,185 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:05:56,186 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 02:05:56,186 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:05:56,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:05:56,186 INFO L82 PathProgramCache]: Analyzing trace with hash 746633022, now seen corresponding path program 1 times [2020-10-15 02:05:56,187 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:05:56,187 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1646455572] [2020-10-15 02:05:56,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:05:56,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:05:56,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:56,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:56,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:05:56,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-15 02:05:56,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:05:56,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 187 [2020-10-15 02:05:56,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:05:56,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:05:56,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:05:56,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-15 02:05:56,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-15 02:05:56,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:05:56,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:05:56,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:05:56,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:56,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:05:56,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:05:56,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:05:56,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:05:56,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:05:56,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:05:56,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:05:56,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:05:56,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:05:56,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:05:56,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:05:56,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:05:56,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:56,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:56,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:05:56,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:05:56,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:05:56,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 185 [2020-10-15 02:05:56,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:05:56,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:05:56,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:05:56,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:05:56,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 02:05:56,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:05:56,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:05:56,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:05:56,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:56,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:05:56,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:05:56,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:05:56,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:05:56,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:05:56,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:05:56,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:05:56,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:05:56,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:05:56,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:05:56,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:05:56,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:05:56,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:56,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:05:56,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:05:56,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:05:56,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:05:56,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:05:56,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:05:56,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:05:56,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:05:56,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:05:56,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:05:56,675 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-15 02:05:56,676 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1646455572] [2020-10-15 02:05:56,676 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:05:56,676 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-15 02:05:56,676 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052357939] [2020-10-15 02:05:56,677 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 02:05:56,677 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:05:56,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 02:05:56,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-15 02:05:56,678 INFO L87 Difference]: Start difference. First operand 35 states and 45 transitions. Second operand 7 states. [2020-10-15 02:05:56,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:05:56,789 INFO L93 Difference]: Finished difference Result 42 states and 53 transitions. [2020-10-15 02:05:56,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-15 02:05:56,790 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2020-10-15 02:05:56,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:05:56,792 INFO L225 Difference]: With dead ends: 42 [2020-10-15 02:05:56,792 INFO L226 Difference]: Without dead ends: 38 [2020-10-15 02:05:56,793 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-15 02:05:56,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-10-15 02:05:56,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 35. [2020-10-15 02:05:56,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-10-15 02:05:56,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 45 transitions. [2020-10-15 02:05:56,801 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 45 transitions. Word has length 27 [2020-10-15 02:05:56,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:05:56,802 INFO L479 AbstractCegarLoop]: Abstraction has 35 states and 45 transitions. [2020-10-15 02:05:56,802 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 02:05:56,802 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2020-10-15 02:05:56,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-15 02:05:56,804 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:05:56,804 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] [2020-10-15 02:05:56,804 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 02:05:56,804 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:05:56,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:05:56,805 INFO L82 PathProgramCache]: Analyzing trace with hash -1725129826, now seen corresponding path program 1 times [2020-10-15 02:05:56,805 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:05:56,806 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [380216036] [2020-10-15 02:05:56,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:05:56,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:05:56,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:56,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:56,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:56,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:57,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:05:57,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-15 02:05:57,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 02:05:57,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 206 [2020-10-15 02:05:57,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:05:57,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:05:57,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:05:57,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-15 02:05:57,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-15 02:05:57,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:05:57,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:05:57,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:05:57,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:57,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:05:57,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:05:57,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:05:57,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:05:57,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:05:57,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:05:57,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:05:57,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:05:57,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:05:57,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:05:57,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:05:57,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:05:57,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:57,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:57,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:57,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:57,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:05:57,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-15 02:05:57,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 02:05:57,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 259 [2020-10-15 02:05:57,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:05:57,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:05:57,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:05:57,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:05:57,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 02:05:57,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:05:57,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:05:57,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:05:57,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:57,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:05:57,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:05:57,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:05:57,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:05:57,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:05:57,353 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:05:57,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:05:57,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:05:57,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:05:57,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:05:57,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:05:57,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:05:57,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:57,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:05:57,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:05:57,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:05:57,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 02:05:57,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:05:57,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:05:57,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:05:57,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:05:57,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:05:57,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:05:57,403 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-15 02:05:57,404 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [380216036] [2020-10-15 02:05:57,404 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:05:57,404 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-15 02:05:57,404 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251758138] [2020-10-15 02:05:57,405 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 02:05:57,405 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:05:57,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 02:05:57,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-15 02:05:57,406 INFO L87 Difference]: Start difference. First operand 35 states and 45 transitions. Second operand 7 states. [2020-10-15 02:05:57,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:05:57,555 INFO L93 Difference]: Finished difference Result 49 states and 66 transitions. [2020-10-15 02:05:57,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-15 02:05:57,556 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2020-10-15 02:05:57,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:05:57,558 INFO L225 Difference]: With dead ends: 49 [2020-10-15 02:05:57,558 INFO L226 Difference]: Without dead ends: 45 [2020-10-15 02:05:57,558 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 [2020-10-15 02:05:57,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-10-15 02:05:57,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 35. [2020-10-15 02:05:57,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-10-15 02:05:57,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 45 transitions. [2020-10-15 02:05:57,568 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 45 transitions. Word has length 28 [2020-10-15 02:05:57,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:05:57,568 INFO L479 AbstractCegarLoop]: Abstraction has 35 states and 45 transitions. [2020-10-15 02:05:57,568 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 02:05:57,568 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2020-10-15 02:05:57,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-15 02:05:57,570 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:05:57,571 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:05:57,571 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 02:05:57,571 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:05:57,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:05:57,571 INFO L82 PathProgramCache]: Analyzing trace with hash -910208130, now seen corresponding path program 1 times [2020-10-15 02:05:57,572 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:05:57,572 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1678449787] [2020-10-15 02:05:57,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:05:57,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:05:57,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:57,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:57,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:57,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:57,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:57,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:58,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:58,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:05:58,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:00,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:00,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:00,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:02,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:02,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-15 02:06:02,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-15 02:06:02,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-15 02:06:02,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:02,587 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:02,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 02:06:02,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-15 02:06:02,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-15 02:06:02,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:06:02,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:06:02,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:02,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:02,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:02,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:06:02,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:06:02,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:06:02,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:02,608 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:02,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:06:02,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:02,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:06:02,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:06:02,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:06:02,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:02,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:02,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:02,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:02,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:02,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:02,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:02,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:04,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:04,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:06,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:06,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:06,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:07,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:07,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-15 02:06:07,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-15 02:06:07,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-15 02:06:07,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:07,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:07,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 02:06:07,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:06:07,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-15 02:06:07,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:06:07,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:06:07,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:07,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:07,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:07,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:07,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-15 02:06:07,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:06:07,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-15 02:06:07,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:07,681 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:07,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:06:07,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:07,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 02:06:07,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:06:07,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:06:07,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:07,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:07,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:07,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:06:07,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:06:07,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:06:07,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:07,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:07,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:06:07,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:07,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:06:07,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:06:07,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 02:06:07,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:07,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:07,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:07,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:06:07,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:06:07,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:06:07,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:07,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:07,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:06:07,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:07,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:06:07,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:06:07,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 02:06:07,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:07,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:07,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:07,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:07,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-15 02:06:07,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:06:07,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-15 02:06:07,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:07,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:07,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:06:07,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:07,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-15 02:06:07,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:06:07,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:06:07,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:07,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:07,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:07,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:06:07,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:06:07,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:06:07,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:07,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:07,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:06:07,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:07,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:06:07,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:06:07,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 02:06:07,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:07,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:07,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:07,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:06:07,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:06:07,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:06:07,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:07,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:07,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:06:07,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:07,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:06:07,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:06:07,785 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 6 proven. 22 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-15 02:06:07,786 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1678449787] [2020-10-15 02:06:07,787 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:06:07,787 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-15 02:06:07,787 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840361184] [2020-10-15 02:06:07,788 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-15 02:06:07,788 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:06:07,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-15 02:06:07,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-15 02:06:07,789 INFO L87 Difference]: Start difference. First operand 35 states and 45 transitions. Second operand 8 states. [2020-10-15 02:06:07,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:06:07,949 INFO L93 Difference]: Finished difference Result 54 states and 77 transitions. [2020-10-15 02:06:07,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-15 02:06:07,950 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-10-15 02:06:07,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:06:07,952 INFO L225 Difference]: With dead ends: 54 [2020-10-15 02:06:07,952 INFO L226 Difference]: Without dead ends: 50 [2020-10-15 02:06:07,952 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-15 02:06:07,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-10-15 02:06:07,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 42. [2020-10-15 02:06:07,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-10-15 02:06:07,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 58 transitions. [2020-10-15 02:06:07,963 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 58 transitions. Word has length 52 [2020-10-15 02:06:07,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:06:07,964 INFO L479 AbstractCegarLoop]: Abstraction has 42 states and 58 transitions. [2020-10-15 02:06:07,964 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-15 02:06:07,964 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 58 transitions. [2020-10-15 02:06:07,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-15 02:06:07,966 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:06:07,966 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:06:07,966 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-15 02:06:07,967 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:06:07,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:06:07,967 INFO L82 PathProgramCache]: Analyzing trace with hash -955769098, now seen corresponding path program 1 times [2020-10-15 02:06:07,967 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:06:07,968 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [694002588] [2020-10-15 02:06:07,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:06:07,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:07,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:07,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:07,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:07,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:08,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:08,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:08,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:08,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:08,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:08,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:09,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:09,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:12,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:12,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-15 02:06:12,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-15 02:06:12,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-15 02:06:12,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:12,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:12,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 02:06:12,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-15 02:06:12,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-15 02:06:12,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:06:12,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:06:12,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:12,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:12,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:12,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:06:12,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:06:12,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:06:12,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:12,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:12,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:06:12,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:12,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:06:12,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:06:13,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:06:13,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:13,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:13,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:13,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:13,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:13,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:13,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:13,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:13,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:13,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:14,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:14,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:14,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:17,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:17,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-15 02:06:17,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-15 02:06:17,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4759 [2020-10-15 02:06:17,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:17,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:17,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 02:06:17,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:06:17,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-15 02:06:17,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:06:17,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:06:17,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:17,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:17,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:17,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:06:17,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:06:17,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:06:17,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:17,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:17,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:06:17,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:17,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 02:06:17,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:06:17,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:06:17,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:17,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:17,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:17,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:06:17,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:06:17,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:06:17,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:17,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:17,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:06:17,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:17,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:06:17,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:06:17,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:06:17,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:17,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:17,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:17,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:06:17,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:06:17,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:06:17,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:17,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:17,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:06:17,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:17,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:06:17,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:06:17,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 02:06:17,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:17,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:17,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:17,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:17,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-15 02:06:17,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:06:17,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-15 02:06:17,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:17,860 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:17,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:06:17,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:17,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 02:06:17,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:06:17,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:06:17,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:17,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:17,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:17,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:06:17,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:06:17,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:06:17,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:17,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:17,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:06:17,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:17,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:06:17,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:06:17,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 02:06:17,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:17,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:17,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:17,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:06:17,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:06:17,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:06:17,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:17,908 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:17,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:06:17,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:17,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:06:17,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:06:17,914 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 20 proven. 9 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-15 02:06:17,915 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [694002588] [2020-10-15 02:06:17,915 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:06:17,915 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-15 02:06:17,916 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989870886] [2020-10-15 02:06:17,916 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-15 02:06:17,916 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:06:17,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-15 02:06:17,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-15 02:06:17,917 INFO L87 Difference]: Start difference. First operand 42 states and 58 transitions. Second operand 8 states. [2020-10-15 02:06:18,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:06:18,074 INFO L93 Difference]: Finished difference Result 63 states and 89 transitions. [2020-10-15 02:06:18,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-15 02:06:18,074 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 53 [2020-10-15 02:06:18,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:06:18,076 INFO L225 Difference]: With dead ends: 63 [2020-10-15 02:06:18,076 INFO L226 Difference]: Without dead ends: 59 [2020-10-15 02:06:18,077 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-15 02:06:18,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-10-15 02:06:18,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 49. [2020-10-15 02:06:18,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-10-15 02:06:18,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 67 transitions. [2020-10-15 02:06:18,087 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 67 transitions. Word has length 53 [2020-10-15 02:06:18,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:06:18,087 INFO L479 AbstractCegarLoop]: Abstraction has 49 states and 67 transitions. [2020-10-15 02:06:18,088 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-15 02:06:18,088 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 67 transitions. [2020-10-15 02:06:18,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-15 02:06:18,089 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:06:18,090 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] [2020-10-15 02:06:18,090 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-15 02:06:18,090 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:06:18,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:06:18,091 INFO L82 PathProgramCache]: Analyzing trace with hash 794281190, now seen corresponding path program 2 times [2020-10-15 02:06:18,091 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:06:18,091 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [334312650] [2020-10-15 02:06:18,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:06:18,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:18,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:18,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:18,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:18,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:18,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:18,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:18,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:18,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:20,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:21,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:21,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:23,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:23,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-15 02:06:23,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-15 02:06:23,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-15 02:06:23,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:23,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:23,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 02:06:23,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-15 02:06:23,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-15 02:06:23,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:06:23,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:06:23,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:23,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:23,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:23,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:06:23,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:06:23,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:06:23,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:23,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:23,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:06:23,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:23,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:06:23,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:06:23,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:06:23,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:23,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:23,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:23,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:23,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:23,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:23,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:23,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:23,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:23,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:25,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:25,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-15 02:06:25,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-15 02:06:25,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1978 [2020-10-15 02:06:25,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:25,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:25,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 02:06:25,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 02:06:25,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-15 02:06:25,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:06:25,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:06:25,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:25,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:25,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:25,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:25,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:25,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:06:25,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 02:06:25,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 133 [2020-10-15 02:06:25,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:25,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:25,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:06:25,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:25,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 02:06:25,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:06:25,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:06:25,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:25,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:25,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:25,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:06:25,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:06:25,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:06:25,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:25,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:25,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:06:25,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:25,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:06:25,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:06:25,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:06:25,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:25,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:25,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:25,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:06:25,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:06:25,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:06:25,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:25,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:25,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:06:25,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:25,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:06:25,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:06:25,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 02:06:25,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:25,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:25,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:25,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:25,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:25,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:06:25,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 02:06:25,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-15 02:06:25,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:25,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:25,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:06:25,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:06:25,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 02:06:25,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:06:25,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:06:25,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:25,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:25,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:25,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:06:25,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:06:25,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:06:25,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:25,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:25,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:06:25,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:25,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:06:25,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:06:25,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:06:25,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:25,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:25,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:25,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:06:25,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:06:25,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:06:25,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:25,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:25,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:06:25,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:25,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:06:25,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:06:25,485 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 12 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-15 02:06:25,485 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [334312650] [2020-10-15 02:06:25,485 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:06:25,486 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-15 02:06:25,486 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954222586] [2020-10-15 02:06:25,488 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 02:06:25,488 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:06:25,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 02:06:25,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-15 02:06:25,489 INFO L87 Difference]: Start difference. First operand 49 states and 67 transitions. Second operand 9 states. [2020-10-15 02:06:25,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:06:25,684 INFO L93 Difference]: Finished difference Result 113 states and 193 transitions. [2020-10-15 02:06:25,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-15 02:06:25,685 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 54 [2020-10-15 02:06:25,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:06:25,687 INFO L225 Difference]: With dead ends: 113 [2020-10-15 02:06:25,687 INFO L226 Difference]: Without dead ends: 70 [2020-10-15 02:06:25,692 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2020-10-15 02:06:25,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2020-10-15 02:06:25,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 65. [2020-10-15 02:06:25,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-10-15 02:06:25,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 98 transitions. [2020-10-15 02:06:25,714 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 98 transitions. Word has length 54 [2020-10-15 02:06:25,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:06:25,718 INFO L479 AbstractCegarLoop]: Abstraction has 65 states and 98 transitions. [2020-10-15 02:06:25,718 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 02:06:25,718 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 98 transitions. [2020-10-15 02:06:25,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-10-15 02:06:25,720 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:06:25,721 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:06:25,721 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-15 02:06:25,721 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:06:25,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:06:25,721 INFO L82 PathProgramCache]: Analyzing trace with hash 968637085, now seen corresponding path program 1 times [2020-10-15 02:06:25,722 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:06:25,722 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1029472156] [2020-10-15 02:06:25,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:06:25,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:25,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:25,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:25,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:25,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:25,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:25,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:25,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:26,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:26,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:26,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:26,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:26,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:26,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:26,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:26,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:30,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:30,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-15 02:06:30,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-15 02:06:30,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-15 02:06:30,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:30,737 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:30,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 02:06:30,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-15 02:06:30,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-15 02:06:30,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:06:30,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:06:30,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:30,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:30,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:30,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:06:30,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:06:30,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:06:30,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:30,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:30,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:06:30,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:30,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:06:30,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:06:30,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:06:30,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:30,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:30,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:30,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:30,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:30,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:30,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:30,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:30,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:30,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:30,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:31,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:31,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:31,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:33,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:33,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:33,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:33,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:33,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:33,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:33,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:35,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:35,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-15 02:06:35,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-15 02:06:35,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-15 02:06:35,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:35,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:35,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-15 02:06:35,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 02:06:35,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-15 02:06:35,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:06:35,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:06:35,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:35,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:35,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:35,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:35,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:35,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:35,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:36,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:36,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-15 02:06:36,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 02:06:36,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 303 [2020-10-15 02:06:36,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:36,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:36,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:06:36,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:36,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-15 02:06:36,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:06:36,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:06:36,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:36,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:36,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:36,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:36,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-15 02:06:36,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:06:36,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-15 02:06:36,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:36,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:36,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:06:36,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:36,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-15 02:06:36,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:06:36,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:06:36,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:36,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:36,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:36,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:06:36,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:06:36,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:06:36,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:36,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:36,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:06:36,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:36,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:06:36,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:06:36,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 02:06:36,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:36,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:36,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:36,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:06:36,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:06:36,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:06:36,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:36,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:36,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:06:36,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:36,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:06:36,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:06:36,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 02:06:36,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:36,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:36,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:36,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:06:36,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:06:36,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:06:36,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:36,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:36,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:06:36,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:36,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:06:36,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:06:36,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-15 02:06:36,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:36,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:36,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:36,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:36,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:36,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:06:36,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 02:06:36,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-15 02:06:36,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:36,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:36,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:06:36,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:06:36,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 02:06:36,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:06:36,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:06:36,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:36,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:36,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:36,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:06:36,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:06:36,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:06:36,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:36,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:36,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:06:36,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:36,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:06:36,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:06:36,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:06:36,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:36,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:36,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:36,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:06:36,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:06:36,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:06:36,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:36,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:36,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:06:36,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:36,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:06:36,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:06:36,325 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 25 proven. 16 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-10-15 02:06:36,329 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1029472156] [2020-10-15 02:06:36,330 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:06:36,330 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-15 02:06:36,331 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994408975] [2020-10-15 02:06:36,331 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-15 02:06:36,331 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:06:36,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-15 02:06:36,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-10-15 02:06:36,332 INFO L87 Difference]: Start difference. First operand 65 states and 98 transitions. Second operand 11 states. [2020-10-15 02:06:36,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:06:36,722 INFO L93 Difference]: Finished difference Result 152 states and 280 transitions. [2020-10-15 02:06:36,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-15 02:06:36,723 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 66 [2020-10-15 02:06:36,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:06:36,726 INFO L225 Difference]: With dead ends: 152 [2020-10-15 02:06:36,726 INFO L226 Difference]: Without dead ends: 70 [2020-10-15 02:06:36,733 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=75, Invalid=267, Unknown=0, NotChecked=0, Total=342 [2020-10-15 02:06:36,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2020-10-15 02:06:36,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 62. [2020-10-15 02:06:36,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-10-15 02:06:36,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 84 transitions. [2020-10-15 02:06:36,756 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 84 transitions. Word has length 66 [2020-10-15 02:06:36,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:06:36,756 INFO L479 AbstractCegarLoop]: Abstraction has 62 states and 84 transitions. [2020-10-15 02:06:36,756 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-15 02:06:36,756 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 84 transitions. [2020-10-15 02:06:36,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-15 02:06:36,757 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:06:36,758 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 4, 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] [2020-10-15 02:06:36,758 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-15 02:06:36,758 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:06:36,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:06:36,761 INFO L82 PathProgramCache]: Analyzing trace with hash 1888634267, now seen corresponding path program 1 times [2020-10-15 02:06:36,761 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:06:36,761 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [472866224] [2020-10-15 02:06:36,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:06:36,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:36,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:36,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:36,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:36,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:36,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:36,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:36,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:36,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:36,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:37,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:37,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:37,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:37,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:37,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:37,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:37,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:37,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:37,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:39,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:39,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:39,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:39,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:39,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:39,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:39,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:40,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:40,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:40,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:40,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:40,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:40,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:41,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:41,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-15 02:06:41,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 31 [2020-10-15 02:06:41,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-15 02:06:41,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:41,784 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:41,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 02:06:41,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-15 02:06:41,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-15 02:06:41,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:06:41,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:06:41,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:41,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:41,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:41,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:06:41,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:06:41,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:06:41,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:41,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:41,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:06:41,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:41,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:06:41,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:06:41,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:06:41,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:41,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:41,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:41,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:41,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:41,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:41,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:41,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:42,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:42,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:42,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:42,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:42,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:42,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:42,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:42,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:42,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:42,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:44,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:44,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:44,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:45,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:46,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:46,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-15 02:06:46,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-15 02:06:46,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-15 02:06:46,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:46,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:46,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-15 02:06:46,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 02:06:46,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-15 02:06:46,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:06:46,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:06:46,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:46,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:46,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:46,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:46,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:46,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:46,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:46,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:47,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:47,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-15 02:06:47,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-15 02:06:47,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 539 [2020-10-15 02:06:47,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:47,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:47,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:06:47,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:47,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-15 02:06:47,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:06:47,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:06:47,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:47,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:47,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:47,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:47,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-15 02:06:47,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:06:47,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-15 02:06:47,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:47,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:47,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:06:47,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:47,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-15 02:06:47,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:06:47,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:06:47,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:47,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:47,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:47,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:06:47,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:06:47,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:06:47,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:47,410 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:47,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:06:47,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:47,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:06:47,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:06:47,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 02:06:47,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:47,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:47,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:47,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:06:47,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:06:47,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:06:47,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:47,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:47,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:06:47,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:47,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:06:47,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:06:47,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 02:06:47,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:47,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:47,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:47,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:06:47,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:06:47,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:06:47,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:47,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:47,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:06:47,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:47,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:06:47,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:06:47,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-15 02:06:47,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:47,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:47,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:47,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:47,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:47,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:47,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:47,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:47,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:47,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:47,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:47,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:47,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:47,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:47,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:52,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:52,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-15 02:06:52,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-15 02:06:52,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-15 02:06:52,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:52,453 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:52,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:06:52,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:06:52,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-15 02:06:52,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:06:52,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:06:52,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:52,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:52,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:52,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-15 02:06:52,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:06:52,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 02:06:52,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:52,500 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:52,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:06:52,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:52,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-15 02:06:52,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:06:52,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:06:52,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:52,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:52,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:52,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:06:52,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:06:52,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:06:52,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:52,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:52,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:06:52,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:52,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:06:52,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:06:52,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:06:52,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:52,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:52,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:52,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:06:52,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:06:52,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:06:52,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:52,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:52,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:06:52,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:52,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:06:52,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:06:52,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:06:52,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:52,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:52,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:52,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:06:52,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:06:52,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:06:52,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:52,515 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:52,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:06:52,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:52,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:06:52,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:06:52,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 02:06:52,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:52,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:52,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:52,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:06:52,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:06:52,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:06:52,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:52,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:52,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:06:52,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:52,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:06:52,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:06:52,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 02:06:52,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:52,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:52,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:52,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:52,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:06:52,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:06:52,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:06:52,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:52,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:52,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:06:52,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:52,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:06:52,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:06:52,563 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 61 proven. 39 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2020-10-15 02:06:52,563 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [472866224] [2020-10-15 02:06:52,563 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:06:52,564 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-15 02:06:52,564 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404398120] [2020-10-15 02:06:52,564 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 02:06:52,564 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:06:52,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 02:06:52,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2020-10-15 02:06:52,565 INFO L87 Difference]: Start difference. First operand 62 states and 84 transitions. Second operand 12 states. [2020-10-15 02:06:52,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:06:52,906 INFO L93 Difference]: Finished difference Result 135 states and 220 transitions. [2020-10-15 02:06:52,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-15 02:06:52,910 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 95 [2020-10-15 02:06:52,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:06:52,911 INFO L225 Difference]: With dead ends: 135 [2020-10-15 02:06:52,912 INFO L226 Difference]: Without dead ends: 78 [2020-10-15 02:06:52,914 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=304, Unknown=0, NotChecked=0, Total=380 [2020-10-15 02:06:52,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-10-15 02:06:52,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 69. [2020-10-15 02:06:52,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-10-15 02:06:52,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 97 transitions. [2020-10-15 02:06:52,935 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 97 transitions. Word has length 95 [2020-10-15 02:06:52,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:06:52,936 INFO L479 AbstractCegarLoop]: Abstraction has 69 states and 97 transitions. [2020-10-15 02:06:52,936 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 02:06:52,936 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 97 transitions. [2020-10-15 02:06:52,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-10-15 02:06:52,937 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:06:52,937 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:06:52,938 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-15 02:06:52,938 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:06:52,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:06:52,939 INFO L82 PathProgramCache]: Analyzing trace with hash 1261383985, now seen corresponding path program 2 times [2020-10-15 02:06:52,939 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:06:52,940 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [742006966] [2020-10-15 02:06:52,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:06:52,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:52,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:52,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:52,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:52,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:52,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:53,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:53,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:53,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:53,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:53,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:53,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:53,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:57,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:57,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-15 02:06:57,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-15 02:06:57,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-15 02:06:57,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:57,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:57,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-15 02:06:57,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-15 02:06:57,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-15 02:06:57,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:06:57,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:06:57,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:57,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:57,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:06:57,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:06:57,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:06:57,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:06:57,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:06:57,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:06:57,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:06:57,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:06:57,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:06:57,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:06:57,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:06:57,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:06:57,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:57,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:57,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:57,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:58,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:58,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:58,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:58,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:58,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:58,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:58,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:06:58,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:02,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:02,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-15 02:07:02,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-15 02:07:02,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-15 02:07:02,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:02,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:02,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-15 02:07:02,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 02:07:02,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-15 02:07:02,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:02,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:07:02,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:02,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:02,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:02,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:02,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:03,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:03,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:03,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-15 02:07:03,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 02:07:03,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 158 [2020-10-15 02:07:03,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:03,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:03,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 02:07:03,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:03,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-15 02:07:03,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:07:03,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:07:03,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:03,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:03,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:03,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:03,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-15 02:07:03,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:07:03,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-15 02:07:03,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:03,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:03,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:07:03,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:03,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 02:07:03,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:03,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:07:03,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:03,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:03,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:03,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:07:03,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:03,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:07:03,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:03,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:03,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:07:03,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:03,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:07:03,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:07:03,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 02:07:03,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:03,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:03,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:03,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:07:03,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:03,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:07:03,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:03,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:03,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:07:03,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:03,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:07:03,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:03,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 02:07:03,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:03,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:03,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:03,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:07:03,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:03,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:07:03,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:03,223 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:03,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:07:03,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:03,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:07:03,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:03,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-15 02:07:03,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:03,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:03,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:03,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:03,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:03,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:07:03,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 02:07:03,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-15 02:07:03,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:03,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:03,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:07:03,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:07:03,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 02:07:03,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:03,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:07:03,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:03,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:03,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:03,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:07:03,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:03,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:07:03,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:03,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:03,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:07:03,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:03,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:07:03,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:03,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:07:03,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:03,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:03,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:03,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:07:03,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:03,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:07:03,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:03,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:03,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:07:03,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:03,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:07:03,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:03,333 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 17 proven. 30 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-10-15 02:07:03,333 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [742006966] [2020-10-15 02:07:03,333 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:07:03,333 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-15 02:07:03,334 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36803041] [2020-10-15 02:07:03,334 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-15 02:07:03,334 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:07:03,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-15 02:07:03,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-10-15 02:07:03,335 INFO L87 Difference]: Start difference. First operand 69 states and 97 transitions. Second operand 11 states. [2020-10-15 02:07:03,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:07:03,738 INFO L93 Difference]: Finished difference Result 180 states and 320 transitions. [2020-10-15 02:07:03,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-15 02:07:03,739 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 67 [2020-10-15 02:07:03,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:07:03,742 INFO L225 Difference]: With dead ends: 180 [2020-10-15 02:07:03,742 INFO L226 Difference]: Without dead ends: 118 [2020-10-15 02:07:03,743 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=84, Invalid=296, Unknown=0, NotChecked=0, Total=380 [2020-10-15 02:07:03,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-10-15 02:07:03,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 101. [2020-10-15 02:07:03,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-10-15 02:07:03,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 158 transitions. [2020-10-15 02:07:03,759 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 158 transitions. Word has length 67 [2020-10-15 02:07:03,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:07:03,759 INFO L479 AbstractCegarLoop]: Abstraction has 101 states and 158 transitions. [2020-10-15 02:07:03,759 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-15 02:07:03,759 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 158 transitions. [2020-10-15 02:07:03,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-10-15 02:07:03,761 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:07:03,761 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] [2020-10-15 02:07:03,761 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-15 02:07:03,761 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:07:03,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:07:03,762 INFO L82 PathProgramCache]: Analyzing trace with hash -1156896337, now seen corresponding path program 2 times [2020-10-15 02:07:03,762 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:07:03,762 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1201656734] [2020-10-15 02:07:03,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:07:03,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:03,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:03,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:03,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-15 02:07:03,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:03,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-10-15 02:07:03,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:03,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:03,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-15 02:07:03,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-15 02:07:03,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-15 02:07:03,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:03,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:07:03,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:03,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:03,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:03,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:07:03,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:03,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:07:03,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:03,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:03,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:07:03,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:03,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:07:03,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:03,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:07:03,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:03,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:04,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:04,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-15 02:07:04,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:04,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 144 [2020-10-15 02:07:04,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:04,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:04,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-15 02:07:04,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:04,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-15 02:07:04,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:04,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:07:04,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:04,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:04,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:04,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-15 02:07:04,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:04,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-15 02:07:04,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:04,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:04,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-15 02:07:04,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:04,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-15 02:07:04,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:04,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:07:04,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:04,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:04,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:04,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:07:04,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:04,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 02:07:04,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:04,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:04,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:07:04,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:04,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-15 02:07:04,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:04,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:07:04,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:04,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:04,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:04,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:07:04,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:04,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:07:04,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:04,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:04,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:07:04,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:04,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:07:04,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:07:04,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:07:04,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:04,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:04,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:04,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:07:04,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:04,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:07:04,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:04,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:04,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:07:04,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:04,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:07:04,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:04,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 02:07:04,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:04,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:04,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:04,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:07:04,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:04,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:07:04,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:04,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:04,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:07:04,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:04,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:07:04,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:04,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 02:07:04,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:04,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:04,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:04,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:07:04,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:04,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 02:07:04,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:04,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:04,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 02:07:04,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:04,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 02:07:04,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:04,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:07:04,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:04,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:04,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:04,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:07:04,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:04,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:07:04,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:04,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:04,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:07:04,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:04,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:07:04,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:04,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:07:04,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:04,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:04,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:04,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:07:04,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:04,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:07:04,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:04,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:04,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:07:04,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:04,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:07:04,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:04,449 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2020-10-15 02:07:04,449 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1201656734] [2020-10-15 02:07:04,449 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:07:04,449 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-15 02:07:04,450 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330097498] [2020-10-15 02:07:04,450 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-15 02:07:04,450 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:07:04,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-15 02:07:04,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=239, Unknown=0, NotChecked=0, Total=272 [2020-10-15 02:07:04,451 INFO L87 Difference]: Start difference. First operand 101 states and 158 transitions. Second operand 17 states. [2020-10-15 02:07:04,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:07:04,674 INFO L93 Difference]: Finished difference Result 163 states and 272 transitions. [2020-10-15 02:07:04,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-15 02:07:04,676 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 68 [2020-10-15 02:07:04,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:07:04,679 INFO L225 Difference]: With dead ends: 163 [2020-10-15 02:07:04,679 INFO L226 Difference]: Without dead ends: 159 [2020-10-15 02:07:04,682 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 24 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=301, Unknown=0, NotChecked=0, Total=342 [2020-10-15 02:07:04,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2020-10-15 02:07:04,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 146. [2020-10-15 02:07:04,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2020-10-15 02:07:04,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 249 transitions. [2020-10-15 02:07:04,726 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 249 transitions. Word has length 68 [2020-10-15 02:07:04,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:07:04,727 INFO L479 AbstractCegarLoop]: Abstraction has 146 states and 249 transitions. [2020-10-15 02:07:04,727 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-15 02:07:04,727 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 249 transitions. [2020-10-15 02:07:04,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-10-15 02:07:04,736 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:07:04,736 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:07:04,737 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-15 02:07:04,737 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:07:04,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:07:04,738 INFO L82 PathProgramCache]: Analyzing trace with hash -1711191765, now seen corresponding path program 1 times [2020-10-15 02:07:04,739 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:07:04,739 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1638282501] [2020-10-15 02:07:04,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:07:04,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:04,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:04,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:04,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:04,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:04,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:04,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:04,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:05,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:05,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:05,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:09,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:09,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-15 02:07:09,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-15 02:07:09,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-15 02:07:09,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:09,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:09,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-15 02:07:09,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-15 02:07:09,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-15 02:07:09,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:09,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:07:09,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:09,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:09,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:09,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:07:09,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:09,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:07:09,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:09,760 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:09,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:07:09,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:09,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:07:09,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:09,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:07:09,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:09,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:09,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:09,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:09,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:09,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:09,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:09,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:09,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:13,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:13,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-15 02:07:13,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-15 02:07:13,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4232 [2020-10-15 02:07:13,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:14,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:14,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-15 02:07:14,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 02:07:14,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-15 02:07:14,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:14,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:07:14,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:14,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:14,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:14,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:14,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:14,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:14,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:14,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:14,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-15 02:07:14,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 02:07:14,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 173 [2020-10-15 02:07:14,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:14,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:14,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 02:07:14,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:14,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-15 02:07:14,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:14,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:07:14,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:14,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:14,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:14,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:14,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:14,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:14,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-15 02:07:14,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 02:07:14,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-15 02:07:14,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:14,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:14,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:07:14,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:14,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-15 02:07:14,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:14,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:07:14,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:14,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:14,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:14,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:07:14,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:14,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:07:14,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:14,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:14,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:07:14,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:14,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:07:14,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:07:14,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:07:14,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:14,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:14,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:14,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:14,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:07:14,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:07:14,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:07:14,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:14,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:14,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:07:14,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:14,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:07:14,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:14,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-15 02:07:14,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:14,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:14,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:14,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:07:14,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:14,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:07:14,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:14,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:14,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:07:14,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:14,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:07:14,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:07:14,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-15 02:07:14,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:14,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:14,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:14,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:14,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:07:14,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:07:14,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-15 02:07:14,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:14,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:14,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:07:14,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:07:14,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 02:07:14,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:14,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:07:14,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:14,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:14,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:14,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:07:14,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:14,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:07:14,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:14,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:14,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:07:14,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:14,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:07:14,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:14,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:07:14,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:14,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:14,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:14,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:07:14,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:14,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:07:14,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:14,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:14,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:07:14,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:14,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:07:14,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:14,417 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 31 proven. 29 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-15 02:07:14,417 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1638282501] [2020-10-15 02:07:14,418 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:07:14,418 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-15 02:07:14,418 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314005516] [2020-10-15 02:07:14,418 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-15 02:07:14,418 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:07:14,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-15 02:07:14,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2020-10-15 02:07:14,419 INFO L87 Difference]: Start difference. First operand 146 states and 249 transitions. Second operand 13 states. [2020-10-15 02:07:14,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:07:14,714 INFO L93 Difference]: Finished difference Result 325 states and 644 transitions. [2020-10-15 02:07:14,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-15 02:07:14,718 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 69 [2020-10-15 02:07:14,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:07:14,721 INFO L225 Difference]: With dead ends: 325 [2020-10-15 02:07:14,721 INFO L226 Difference]: Without dead ends: 173 [2020-10-15 02:07:14,723 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=310, Unknown=0, NotChecked=0, Total=380 [2020-10-15 02:07:14,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2020-10-15 02:07:14,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 167. [2020-10-15 02:07:14,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2020-10-15 02:07:14,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 300 transitions. [2020-10-15 02:07:14,746 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 300 transitions. Word has length 69 [2020-10-15 02:07:14,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:07:14,747 INFO L479 AbstractCegarLoop]: Abstraction has 167 states and 300 transitions. [2020-10-15 02:07:14,747 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-15 02:07:14,747 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 300 transitions. [2020-10-15 02:07:14,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-10-15 02:07:14,751 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:07:14,751 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:07:14,751 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-15 02:07:14,751 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:07:14,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:07:14,752 INFO L82 PathProgramCache]: Analyzing trace with hash -517102213, now seen corresponding path program 1 times [2020-10-15 02:07:14,752 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:07:14,752 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [302952835] [2020-10-15 02:07:14,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:07:14,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:14,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:14,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:14,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:14,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:14,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:14,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:14,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:14,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:14,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:14,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:14,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:14,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:14,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:14,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:14,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:14,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:16,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:17,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:17,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:18,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:18,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:18,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:18,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:18,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:18,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:18,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:19,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:19,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:19,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 158 [2020-10-15 02:07:19,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 27 [2020-10-15 02:07:19,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-15 02:07:19,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:19,774 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:19,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-15 02:07:19,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-15 02:07:19,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-15 02:07:19,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:19,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:07:19,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:19,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:19,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:19,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:07:19,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:19,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:07:19,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:19,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:19,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:07:19,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:19,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:07:19,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:19,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:07:19,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:19,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:19,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:19,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:19,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:19,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:19,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:19,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:19,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:19,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:19,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:19,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:20,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:20,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:20,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:20,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:21,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:21,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:22,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:22,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:22,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:22,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:22,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:22,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:22,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:24,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:24,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-15 02:07:24,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 24 [2020-10-15 02:07:24,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-15 02:07:24,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:24,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:24,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-15 02:07:24,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 02:07:24,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-15 02:07:24,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:24,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:07:24,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:24,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:24,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:24,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:24,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:24,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:24,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:24,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:25,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:25,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:25,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:25,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:25,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:28,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:28,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-15 02:07:28,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-15 02:07:28,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3384 [2020-10-15 02:07:28,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:28,199 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:28,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 02:07:28,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:28,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-15 02:07:28,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:28,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:07:28,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:28,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:28,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:28,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:28,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:07:28,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:07:28,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-15 02:07:28,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:28,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:28,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:07:28,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:28,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 02:07:28,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:07:28,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:07:28,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:28,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:28,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:28,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:07:28,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:28,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:07:28,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:28,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:28,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:07:28,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:28,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:07:28,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:28,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:07:28,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:28,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:28,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:28,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:07:28,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:28,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:07:28,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:28,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:28,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:07:28,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:28,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:07:28,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:28,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 02:07:28,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:28,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:28,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:28,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:28,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-15 02:07:28,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:07:28,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 02:07:28,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:28,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:28,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:07:28,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:28,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-15 02:07:28,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:28,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:07:28,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:28,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:28,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:28,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:07:28,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:28,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:07:28,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:28,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:28,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:07:28,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:28,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:07:28,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:28,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 02:07:28,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:28,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:28,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:28,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:07:28,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:28,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:07:28,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:28,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:28,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:07:28,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:28,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:07:28,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:28,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-15 02:07:28,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:28,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:28,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:28,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:28,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:28,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:28,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:28,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:28,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:28,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:28,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:28,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:28,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:28,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:31,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:31,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:31,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:33,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:33,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-15 02:07:33,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-15 02:07:33,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-15 02:07:33,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:33,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:33,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:07:33,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 02:07:33,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-15 02:07:33,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:33,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:07:33,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:33,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:33,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:33,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:33,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:33,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:33,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:33,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:33,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:33,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:34,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:34,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:34,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:37,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:37,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-15 02:07:37,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-15 02:07:37,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4290 [2020-10-15 02:07:37,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:37,672 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:37,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:07:37,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:37,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-15 02:07:37,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:37,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:07:37,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:37,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:37,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:37,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:37,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:37,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:37,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:37,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-15 02:07:37,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 02:07:37,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 175 [2020-10-15 02:07:37,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:37,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:37,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:07:37,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:37,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-15 02:07:37,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:37,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:07:37,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:37,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:37,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:37,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:37,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-15 02:07:37,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:07:37,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:07:37,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:37,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:37,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:07:37,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-15 02:07:37,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:07:37,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:37,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:07:37,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:37,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:37,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:37,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:07:37,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:37,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:07:37,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:37,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:37,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:07:37,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:07:37,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:07:37,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:37,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 02:07:37,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:37,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:37,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:37,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:07:37,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:37,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:07:37,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:37,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:37,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:07:37,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 02:07:37,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:07:37,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:37,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 02:07:37,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:37,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:37,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:37,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:07:37,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:37,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:07:37,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:37,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:37,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:07:37,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:37,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:07:37,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:37,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-15 02:07:37,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:37,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:37,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:37,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:07:37,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:37,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:07:37,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:37,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:37,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:07:37,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:37,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:07:37,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:07:37,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-15 02:07:37,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:37,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:37,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:37,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:07:37,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:37,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:07:37,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:37,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:37,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:07:37,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:07:37,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:07:37,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:38,018 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 103 proven. 91 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2020-10-15 02:07:38,019 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [302952835] [2020-10-15 02:07:38,019 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:07:38,019 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-15 02:07:38,019 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163968023] [2020-10-15 02:07:38,019 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-15 02:07:38,020 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:07:38,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-15 02:07:38,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2020-10-15 02:07:38,020 INFO L87 Difference]: Start difference. First operand 167 states and 300 transitions. Second operand 16 states. [2020-10-15 02:07:38,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:07:38,548 INFO L93 Difference]: Finished difference Result 291 states and 609 transitions. [2020-10-15 02:07:38,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-15 02:07:38,548 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 118 [2020-10-15 02:07:38,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:07:38,551 INFO L225 Difference]: With dead ends: 291 [2020-10-15 02:07:38,551 INFO L226 Difference]: Without dead ends: 113 [2020-10-15 02:07:38,559 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=136, Invalid=620, Unknown=0, NotChecked=0, Total=756 [2020-10-15 02:07:38,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2020-10-15 02:07:38,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 107. [2020-10-15 02:07:38,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-10-15 02:07:38,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 161 transitions. [2020-10-15 02:07:38,583 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 161 transitions. Word has length 118 [2020-10-15 02:07:38,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:07:38,584 INFO L479 AbstractCegarLoop]: Abstraction has 107 states and 161 transitions. [2020-10-15 02:07:38,584 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-15 02:07:38,584 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 161 transitions. [2020-10-15 02:07:38,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-10-15 02:07:38,587 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:07:38,587 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:07:38,587 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-15 02:07:38,587 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:07:38,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:07:38,588 INFO L82 PathProgramCache]: Analyzing trace with hash 1142408753, now seen corresponding path program 1 times [2020-10-15 02:07:38,588 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:07:38,588 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [985978451] [2020-10-15 02:07:38,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:07:38,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:38,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:38,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:38,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:38,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:38,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:38,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:38,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:39,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:39,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:39,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:39,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:40,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:40,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:41,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:41,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:43,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:43,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-15 02:07:43,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-15 02:07:43,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-15 02:07:43,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:43,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:43,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 02:07:43,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-15 02:07:43,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-15 02:07:43,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:43,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:07:43,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:43,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:43,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:43,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:07:43,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:43,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:07:43,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:43,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:43,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:07:43,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:43,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:07:43,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:43,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:07:43,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:43,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:43,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:43,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:43,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:43,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:43,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:43,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:44,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:44,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:44,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:44,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:44,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:44,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:44,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:45,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:45,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:45,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:45,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:48,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:48,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-15 02:07:48,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-15 02:07:48,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-15 02:07:48,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:48,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:48,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-15 02:07:48,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 02:07:48,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-15 02:07:48,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:48,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:07:48,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:48,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:48,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:48,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:48,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:48,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:48,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:48,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:48,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:48,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:49,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:49,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:49,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:52,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:52,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-15 02:07:52,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-15 02:07:52,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4036 [2020-10-15 02:07:52,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:52,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:52,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 02:07:52,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:52,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-15 02:07:52,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:52,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:07:52,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:52,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:52,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:52,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:52,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:52,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-15 02:07:52,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 02:07:52,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-15 02:07:52,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:52,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:52,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:07:52,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:52,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-15 02:07:52,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:52,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:07:52,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:52,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:52,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:52,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:07:52,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:52,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:07:52,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:52,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:52,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:07:52,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:52,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:07:52,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:52,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:07:52,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:52,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:52,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:52,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:07:52,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:52,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:07:52,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:52,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:52,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:07:52,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:52,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:07:52,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:52,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-15 02:07:52,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:52,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:52,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:52,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:52,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:52,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-15 02:07:52,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 02:07:52,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-15 02:07:52,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:52,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:52,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:07:52,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:52,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 02:07:52,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:52,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:07:52,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:52,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:52,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:52,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:07:52,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:52,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:07:52,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:52,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:52,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:07:52,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:52,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:07:52,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:52,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:07:52,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:52,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:52,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:52,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:07:52,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:52,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:07:52,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:52,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:52,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:07:52,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:52,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:07:52,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:52,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-15 02:07:52,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:52,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:52,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:52,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:52,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:52,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:53,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:53,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-15 02:07:53,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 02:07:53,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 253 [2020-10-15 02:07:53,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:53,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:53,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:07:53,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:07:53,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-15 02:07:53,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:07:53,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:07:53,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:53,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:53,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:53,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:53,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:53,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:07:53,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 02:07:53,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-15 02:07:53,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:53,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:53,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:07:53,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:53,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 02:07:53,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:07:53,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:07:53,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:53,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:53,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:53,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:07:53,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:53,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:07:53,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:53,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:53,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:07:53,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:53,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:07:53,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:07:53,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:07:53,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:53,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:53,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:53,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:07:53,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:53,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:07:53,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:53,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:53,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:07:53,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:53,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:07:53,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:07:53,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 02:07:53,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:53,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:53,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:53,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:07:53,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:53,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:07:53,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:53,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:53,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:07:53,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:53,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:07:53,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:07:53,247 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 51 proven. 70 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2020-10-15 02:07:53,248 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [985978451] [2020-10-15 02:07:53,248 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:07:53,248 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-15 02:07:53,248 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118945949] [2020-10-15 02:07:53,249 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 02:07:53,249 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:07:53,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 02:07:53,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2020-10-15 02:07:53,250 INFO L87 Difference]: Start difference. First operand 107 states and 161 transitions. Second operand 12 states. [2020-10-15 02:07:53,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:07:53,548 INFO L93 Difference]: Finished difference Result 210 states and 346 transitions. [2020-10-15 02:07:53,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-15 02:07:53,550 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 97 [2020-10-15 02:07:53,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:07:53,552 INFO L225 Difference]: With dead ends: 210 [2020-10-15 02:07:53,552 INFO L226 Difference]: Without dead ends: 110 [2020-10-15 02:07:53,556 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2020-10-15 02:07:53,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-10-15 02:07:53,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2020-10-15 02:07:53,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-10-15 02:07:53,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 161 transitions. [2020-10-15 02:07:53,569 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 161 transitions. Word has length 97 [2020-10-15 02:07:53,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:07:53,570 INFO L479 AbstractCegarLoop]: Abstraction has 110 states and 161 transitions. [2020-10-15 02:07:53,570 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 02:07:53,570 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 161 transitions. [2020-10-15 02:07:53,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-15 02:07:53,575 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:07:53,576 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 9, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:07:53,576 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-15 02:07:53,576 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:07:53,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:07:53,577 INFO L82 PathProgramCache]: Analyzing trace with hash 1247295993, now seen corresponding path program 3 times [2020-10-15 02:07:53,577 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:07:53,578 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [763551213] [2020-10-15 02:07:53,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:07:53,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:53,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:53,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:53,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:53,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:53,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:53,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:53,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:53,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:53,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:54,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:54,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:54,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:54,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:54,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:54,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:54,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:54,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:54,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:54,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:54,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:54,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:54,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:54,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:54,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:54,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:58,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:58,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-15 02:07:58,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 25 [2020-10-15 02:07:58,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-15 02:07:58,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:58,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:58,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-15 02:07:58,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-15 02:07:58,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-15 02:07:58,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:58,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:07:58,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:58,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:58,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:07:58,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:07:58,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:07:58,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:07:58,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:07:58,617 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:07:58,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:07:58,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:07:58,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:07:58,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:07:58,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:07:58,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:07:58,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:58,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:58,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:58,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:58,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:58,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:59,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:59,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:59,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:59,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:59,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:07:59,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:03,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:03,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-10-15 02:08:03,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-15 02:08:03,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-15 02:08:03,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:03,644 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:03,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-15 02:08:03,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 02:08:03,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-15 02:08:03,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:08:03,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:08:03,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:03,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:03,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:03,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:03,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:03,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:08,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:08,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-15 02:08:08,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 02:08:08,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-15 02:08:08,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:08,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:08,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 02:08:08,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:08:08,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-15 02:08:08,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:08:08,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:08:08,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:08,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:08,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:08,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-15 02:08:08,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:08:08,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:08:08,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:08,698 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:08,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:08:08,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:08:08,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-15 02:08:08,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:08:08,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:08:08,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:08,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:08,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:08,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:08:08,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:08:08,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:08:08,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:08,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:08,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:08:08,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:08:08,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:08:08,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:08:08,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:08:08,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:08,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:08,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:08,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:08:08,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:08:08,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:08:08,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:08,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:08,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:08:08,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:08:08,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:08:08,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:08:08,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:08:08,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:08,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:08,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:08,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:08:08,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:08:08,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:08:08,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:08,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:08,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:08:08,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:08:08,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:08:08,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:08:08,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 02:08:08,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:08,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:08,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:08,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:08:08,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:08:08,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:08:08,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:08,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:08,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:08:08,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:08:08,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:08:08,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:08:08,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 02:08:08,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:08,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:08,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:08,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:08,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:08:08,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:08:08,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-15 02:08:08,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:08,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:08,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:08:08,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:08:08,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 02:08:08,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:08:08,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:08:08,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:08,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:08,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:08,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:08:08,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:08:08,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:08:08,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:08,773 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:08,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:08:08,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:08:08,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:08:08,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:08:08,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:08:08,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:08,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:08,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:08,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:08:08,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:08:08,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:08:08,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:08,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:08,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:08:08,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:08:08,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:08:08,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:08:08,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-15 02:08:08,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:08,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:08,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:08,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:08,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:08,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:08,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:08,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:08,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:08,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:10,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:10,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:13,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:13,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-15 02:08:13,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-15 02:08:13,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-15 02:08:13,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:13,806 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:13,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 02:08:13,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:08:13,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-15 02:08:13,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:08:13,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:08:13,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:13,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:13,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:13,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:13,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:13,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:13,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:14,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:14,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:14,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:14,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:18,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:18,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-15 02:08:18,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-15 02:08:18,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-15 02:08:18,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:18,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:18,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:08:18,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:08:18,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-15 02:08:18,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:08:18,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:08:18,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:18,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:18,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:18,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-15 02:08:18,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:08:18,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:08:18,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:18,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:18,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:08:18,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:08:18,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-15 02:08:18,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:08:18,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:08:18,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:18,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:18,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:18,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:08:18,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:08:18,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:08:18,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:18,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:18,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:08:18,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:08:18,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:08:18,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:08:18,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:08:18,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:18,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:18,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:18,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:08:18,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:08:18,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:08:18,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:18,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:18,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:08:18,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:08:18,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:08:18,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:08:18,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:08:18,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:18,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:18,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:18,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:08:18,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:08:18,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:08:18,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:18,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:18,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:08:18,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:08:18,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:08:18,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:08:18,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 02:08:18,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:18,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:18,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:18,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:08:18,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:08:18,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:08:18,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:18,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:18,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:08:18,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:08:18,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:08:18,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:08:18,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 02:08:18,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:18,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:18,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:18,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:18,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:18,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:08:18,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 02:08:18,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-15 02:08:18,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:18,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:18,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:08:18,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:08:18,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 02:08:18,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:08:18,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:08:18,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:18,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:18,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:18,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:08:18,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:08:18,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:08:18,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:19,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:19,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:08:19,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:08:19,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:08:19,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 02:08:19,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:08:19,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:19,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:19,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:19,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:08:19,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:08:19,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:08:19,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:19,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:19,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:08:19,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:08:19,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:08:19,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:08:19,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-15 02:08:19,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:19,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:19,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:19,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:08:19,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:08:19,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:08:19,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:19,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:19,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:08:19,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:08:19,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:08:19,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:08:19,059 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 152 proven. 108 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2020-10-15 02:08:19,059 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [763551213] [2020-10-15 02:08:19,060 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:08:19,060 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-15 02:08:19,060 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3345015] [2020-10-15 02:08:19,060 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-15 02:08:19,061 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:08:19,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-15 02:08:19,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2020-10-15 02:08:19,061 INFO L87 Difference]: Start difference. First operand 110 states and 161 transitions. Second operand 13 states. [2020-10-15 02:08:19,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:08:19,467 INFO L93 Difference]: Finished difference Result 251 states and 455 transitions. [2020-10-15 02:08:19,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-15 02:08:19,467 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 150 [2020-10-15 02:08:19,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:08:19,470 INFO L225 Difference]: With dead ends: 251 [2020-10-15 02:08:19,470 INFO L226 Difference]: Without dead ends: 128 [2020-10-15 02:08:19,472 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=449, Unknown=0, NotChecked=0, Total=552 [2020-10-15 02:08:19,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2020-10-15 02:08:19,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 116. [2020-10-15 02:08:19,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-10-15 02:08:19,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 167 transitions. [2020-10-15 02:08:19,487 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 167 transitions. Word has length 150 [2020-10-15 02:08:19,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:08:19,487 INFO L479 AbstractCegarLoop]: Abstraction has 116 states and 167 transitions. [2020-10-15 02:08:19,487 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-15 02:08:19,488 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 167 transitions. [2020-10-15 02:08:19,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-10-15 02:08:19,490 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:08:19,490 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 10, 10, 10, 9, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:08:19,490 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-15 02:08:19,491 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:08:19,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:08:19,491 INFO L82 PathProgramCache]: Analyzing trace with hash -1919167910, now seen corresponding path program 4 times [2020-10-15 02:08:19,491 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:08:19,491 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1681837399] [2020-10-15 02:08:19,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:08:19,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:19,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:19,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:19,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:19,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:19,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:19,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:19,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:19,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:19,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:20,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:20,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:20,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:20,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:20,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:20,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:20,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:20,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:20,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:20,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:22,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:22,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:23,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:23,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:23,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:23,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:23,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:23,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:23,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:24,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:24,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-10-15 02:08:24,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 28 [2020-10-15 02:08:24,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-15 02:08:24,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:24,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:24,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-15 02:08:24,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-15 02:08:24,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-15 02:08:24,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:08:24,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:08:24,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:24,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:24,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:24,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:08:24,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:08:24,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:08:24,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:24,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:24,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:08:24,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:08:24,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:08:24,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:08:24,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:08:24,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:24,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:24,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:24,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:24,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:24,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:24,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:24,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:24,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:25,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:25,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:25,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:25,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:25,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:25,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:25,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:25,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:25,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:25,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:26,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:26,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:26,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:26,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:26,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:26,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:26,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:26,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:26,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:26,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:26,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:26,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:26,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:26,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:26,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:27,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:27,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:27,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:29,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:29,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 204 [2020-10-15 02:08:29,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 36 [2020-10-15 02:08:29,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-15 02:08:29,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:29,568 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:29,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-15 02:08:29,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 02:08:29,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-15 02:08:29,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:08:29,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:08:29,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:29,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:29,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:29,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:29,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:30,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:30,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:30,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:30,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:30,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:30,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:30,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:30,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:30,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:30,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:30,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:30,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:34,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:34,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:34,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:34,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:34,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-15 02:08:34,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-15 02:08:34,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-15 02:08:34,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:34,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:34,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 02:08:34,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 02:08:34,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-15 02:08:34,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:08:34,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:08:34,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:34,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:34,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:34,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:34,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:34,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-15 02:08:34,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 02:08:34,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 295 [2020-10-15 02:08:34,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:34,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:34,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:08:34,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:08:34,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-15 02:08:34,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:08:34,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:08:34,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:34,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:34,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:34,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:08:34,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:08:34,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:08:34,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:34,937 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:34,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:08:34,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:08:34,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 02:08:34,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:08:34,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:08:34,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:34,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:34,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:34,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:08:34,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:08:34,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:08:34,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:34,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:34,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:08:34,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:08:34,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:08:34,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:08:34,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:08:34,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:34,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:34,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:34,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:08:34,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:08:34,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:08:34,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:34,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:34,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:08:34,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:08:34,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:08:34,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:08:34,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 02:08:34,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:34,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:34,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:34,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:08:34,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:08:34,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:08:34,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:34,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:34,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:08:34,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:08:34,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:08:34,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:08:34,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 02:08:34,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:34,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:34,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:34,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:34,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:34,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:35,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:35,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:35,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-15 02:08:35,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 02:08:35,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 578 [2020-10-15 02:08:35,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:35,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:35,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:08:35,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:08:35,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-15 02:08:35,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:08:35,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:08:35,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:35,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:35,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:35,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:08:35,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:08:35,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:08:35,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:35,587 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:35,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:08:35,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:08:35,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 02:08:35,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:08:35,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:08:35,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:35,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:35,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:35,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:08:35,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:08:35,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:08:35,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:35,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:35,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:08:35,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:08:35,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:08:35,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:08:35,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:08:35,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:35,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:35,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:35,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:08:35,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:08:35,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:08:35,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:35,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:35,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:08:35,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:08:35,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:08:35,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:08:35,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 02:08:35,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:35,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:35,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:35,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:35,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:08:35,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:08:35,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:08:35,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:35,602 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:35,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:08:35,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:08:35,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:08:35,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:08:35,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-15 02:08:35,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:35,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:35,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:35,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:35,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:35,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:35,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:35,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:35,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:38,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:38,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:38,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:38,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:38,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:38,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:38,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:39,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:39,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:40,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:40,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-15 02:08:40,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-15 02:08:40,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-15 02:08:40,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:40,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:40,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 02:08:40,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:08:40,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-15 02:08:40,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:08:40,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:08:40,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:40,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:40,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:40,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:40,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:40,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:40,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:40,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:40,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:44,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:44,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-15 02:08:44,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-15 02:08:44,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4270 [2020-10-15 02:08:44,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:44,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:44,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:08:44,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:08:44,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-15 02:08:44,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:08:44,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:08:44,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:44,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:44,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:44,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-15 02:08:44,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:08:44,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:08:44,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:44,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:44,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:08:44,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:08:44,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-15 02:08:44,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:08:44,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:08:44,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:44,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:44,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:44,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:08:45,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:08:45,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:08:45,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:45,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:45,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:08:45,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:08:45,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:08:45,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:08:45,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:08:45,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:45,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:45,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:45,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:08:45,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:08:45,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:08:45,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:45,005 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:45,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:08:45,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:08:45,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:08:45,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:08:45,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:08:45,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:45,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:45,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:45,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:08:45,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:08:45,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:08:45,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:45,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:45,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:08:45,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:08:45,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:08:45,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:08:45,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 02:08:45,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:45,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:45,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:45,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:08:45,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:08:45,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:08:45,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:45,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:45,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:08:45,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:08:45,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:08:45,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:08:45,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 02:08:45,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:45,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:45,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:45,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:45,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:45,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:08:45,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 02:08:45,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-15 02:08:45,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:45,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:45,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:08:45,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:08:45,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 02:08:45,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:08:45,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:08:45,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:45,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:45,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:45,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:08:45,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:08:45,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:08:45,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:45,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:45,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:08:45,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:08:45,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:08:45,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:08:45,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:08:45,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:45,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:45,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:45,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:08:45,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:08:45,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:08:45,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:45,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:45,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:08:45,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:08:45,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:08:45,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:08:45,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-15 02:08:45,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:45,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:45,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:45,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:08:45,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:08:45,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:08:45,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:45,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:45,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:08:45,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:08:45,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:08:45,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:08:45,159 INFO L134 CoverageAnalysis]: Checked inductivity of 673 backedges. 173 proven. 171 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2020-10-15 02:08:45,160 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1681837399] [2020-10-15 02:08:45,160 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:08:45,160 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-15 02:08:45,160 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151889642] [2020-10-15 02:08:45,161 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-15 02:08:45,161 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:08:45,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-15 02:08:45,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2020-10-15 02:08:45,162 INFO L87 Difference]: Start difference. First operand 116 states and 167 transitions. Second operand 16 states. [2020-10-15 02:08:45,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:08:45,929 INFO L93 Difference]: Finished difference Result 275 states and 471 transitions. [2020-10-15 02:08:45,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-15 02:08:45,930 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 164 [2020-10-15 02:08:45,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:08:45,932 INFO L225 Difference]: With dead ends: 275 [2020-10-15 02:08:45,932 INFO L226 Difference]: Without dead ends: 134 [2020-10-15 02:08:45,935 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 46 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=186, Invalid=936, Unknown=0, NotChecked=0, Total=1122 [2020-10-15 02:08:45,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-10-15 02:08:45,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 124. [2020-10-15 02:08:45,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-10-15 02:08:45,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 179 transitions. [2020-10-15 02:08:45,953 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 179 transitions. Word has length 164 [2020-10-15 02:08:45,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:08:45,953 INFO L479 AbstractCegarLoop]: Abstraction has 124 states and 179 transitions. [2020-10-15 02:08:45,953 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-15 02:08:45,953 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 179 transitions. [2020-10-15 02:08:45,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-15 02:08:45,955 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:08:45,955 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] [2020-10-15 02:08:45,956 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-15 02:08:45,956 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:08:45,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:08:45,956 INFO L82 PathProgramCache]: Analyzing trace with hash -1540036056, now seen corresponding path program 5 times [2020-10-15 02:08:45,956 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:08:45,957 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1056196462] [2020-10-15 02:08:45,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:08:45,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:45,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:45,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:45,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:46,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:46,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:46,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:46,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:46,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:46,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:49,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:49,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:50,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:50,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-15 02:08:50,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-15 02:08:50,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-15 02:08:50,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:50,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:50,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 02:08:50,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-15 02:08:50,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-15 02:08:50,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:08:50,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:08:50,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:50,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:50,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:50,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:08:50,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:08:50,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:08:50,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:50,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:50,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:08:50,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:08:50,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:08:50,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:08:50,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:08:50,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:50,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:51,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:51,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:51,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:51,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:51,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:51,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:51,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:51,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:55,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:55,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-15 02:08:55,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-15 02:08:55,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-15 02:08:55,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:55,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:55,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 02:08:55,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:08:55,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-15 02:08:55,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:08:56,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:08:56,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:56,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:56,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:56,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-15 02:08:56,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:08:56,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 02:08:56,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:56,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:56,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:08:56,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:08:56,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-15 02:08:56,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:08:56,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:08:56,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:56,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:56,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:56,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-15 02:08:56,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:08:56,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:08:56,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:56,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:56,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:08:56,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:08:56,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:08:56,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:08:56,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:08:56,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:56,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:56,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:56,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:08:56,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:08:56,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:08:56,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:56,052 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:56,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:08:56,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:08:56,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:08:56,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:08:56,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:08:56,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:56,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:56,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:56,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:08:56,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:08:56,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:08:56,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:56,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:56,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:08:56,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:08:56,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:08:56,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:08:56,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:08:56,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:56,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:56,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:56,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:08:56,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:08:56,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:08:56,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:56,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:56,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:08:56,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:08:56,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:08:56,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:08:56,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 02:08:56,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:56,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:56,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:56,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:08:56,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:08:56,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:08:56,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:56,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:56,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:08:56,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:08:56,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:08:56,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:08:56,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 02:08:56,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:56,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:56,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:56,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:08:56,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:08:56,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:08:56,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:56,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:56,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:08:56,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:08:56,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:08:56,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:08:56,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:08:56,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:56,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:56,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:56,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:08:56,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:08:56,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:08:56,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:56,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:56,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:08:56,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:08:56,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:08:56,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:08:56,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:08:56,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:56,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:56,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:56,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:08:56,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:08:56,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:08:56,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:56,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:56,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:08:56,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:08:56,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:08:56,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:08:56,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-15 02:08:56,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:56,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:56,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:56,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:56,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:56,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:56,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:56,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-15 02:08:56,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 02:08:56,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 353 [2020-10-15 02:08:56,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:56,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:56,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:08:56,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:08:56,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-15 02:08:56,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:08:56,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:08:56,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:56,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:56,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:56,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:08:56,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:08:56,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:08:56,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:56,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:56,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:08:56,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:08:56,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 02:08:56,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:08:56,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:08:56,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:56,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:56,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:56,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:08:56,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:08:56,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:08:56,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:56,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:56,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:08:56,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:08:56,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:08:56,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:08:56,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:08:56,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:56,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:56,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:56,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:08:56,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:08:56,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:08:56,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:56,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:56,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:08:56,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:08:56,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:08:56,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:08:56,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 02:08:56,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:56,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:56,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:56,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:08:56,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:08:56,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:08:56,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:08:56,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:08:56,467 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:08:56,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:08:56,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:08:56,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:08:56,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:08:56,498 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 67 proven. 21 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2020-10-15 02:08:56,498 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1056196462] [2020-10-15 02:08:56,498 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:08:56,498 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-15 02:08:56,498 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832937171] [2020-10-15 02:08:56,499 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 02:08:56,499 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:08:56,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 02:08:56,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-15 02:08:56,500 INFO L87 Difference]: Start difference. First operand 124 states and 179 transitions. Second operand 9 states. [2020-10-15 02:08:56,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:08:56,662 INFO L93 Difference]: Finished difference Result 131 states and 188 transitions. [2020-10-15 02:08:56,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-15 02:08:56,663 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 109 [2020-10-15 02:08:56,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:08:56,666 INFO L225 Difference]: With dead ends: 131 [2020-10-15 02:08:56,667 INFO L226 Difference]: Without dead ends: 93 [2020-10-15 02:08:56,668 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2020-10-15 02:08:56,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-10-15 02:08:56,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 90. [2020-10-15 02:08:56,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-10-15 02:08:56,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 115 transitions. [2020-10-15 02:08:56,679 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 115 transitions. Word has length 109 [2020-10-15 02:08:56,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:08:56,679 INFO L479 AbstractCegarLoop]: Abstraction has 90 states and 115 transitions. [2020-10-15 02:08:56,679 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 02:08:56,679 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 115 transitions. [2020-10-15 02:08:56,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-15 02:08:56,681 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:08:56,681 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 7, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:08:56,681 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-15 02:08:56,682 INFO L427 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:08:56,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:08:56,682 INFO L82 PathProgramCache]: Analyzing trace with hash 1278204730, now seen corresponding path program 6 times [2020-10-15 02:08:56,682 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:08:56,682 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [801019789] [2020-10-15 02:08:56,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:08:56,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:08:56,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:56,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:56,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:56,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:56,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:56,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:56,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:56,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:57,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:08:57,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:09:00,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:09:00,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:09:00,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:09:00,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:09:00,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:09:01,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:09:01,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:09:01,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:09:01,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:09:01,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:09:01,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:09:01,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-15 02:09:01,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-15 02:09:01,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-15 02:09:01,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:09:01,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:09:01,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-15 02:09:01,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-15 02:09:01,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-15 02:09:01,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:09:01,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:09:01,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:09:01,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:09:01,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:09:01,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:09:01,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:09:01,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:09:01,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:09:01,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:09:01,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:09:01,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:09:01,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:09:01,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:09:01,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:09:01,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:09:01,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:09:01,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:09:01,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:09:01,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:09:01,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:09:01,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:09:01,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:09:01,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:09:01,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:09:01,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:09:02,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:09:02,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:09:02,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:09:02,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:09:02,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:09:02,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:09:02,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:09:02,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:09:06,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:09:06,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-15 02:09:06,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-15 02:09:06,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-15 02:09:06,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:09:06,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:09:06,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-15 02:09:06,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 02:09:06,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-15 02:09:06,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:09:06,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:09:06,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:09:06,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:09:06,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:09:06,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:09:06,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:09:06,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:09:06,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:09:06,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:09:06,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:09:06,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:09:06,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:09:06,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:09:11,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:09:11,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-15 02:09:11,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-15 02:09:11,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-15 02:09:11,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:09:11,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:09:11,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 02:09:11,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:09:11,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-15 02:09:11,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:09:11,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:09:11,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:09:11,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:09:11,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:09:11,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:09:11,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:09:11,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:09:11,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:09:12,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:09:12,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:09:13,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:09:13,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:09:16,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:09:16,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-15 02:09:16,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-15 02:09:16,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-15 02:09:16,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:09:16,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:09:16,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:09:16,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:09:16,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-15 02:09:16,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:09:16,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:09:16,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:09:16,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:09:16,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:09:16,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-15 02:09:16,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:09:16,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:09:16,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:09:16,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:09:16,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:09:16,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:09:16,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-15 02:09:16,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:09:16,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:09:16,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:09:16,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:09:16,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:09:16,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:09:16,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:09:16,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:09:16,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:09:16,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:09:16,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:09:16,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:09:16,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:09:16,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:09:16,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:09:16,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:09:16,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:09:16,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:09:16,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:09:16,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:09:16,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:09:16,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:09:16,794 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:09:16,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:09:16,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:09:16,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:09:16,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:09:16,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:09:16,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:09:16,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:09:16,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:09:16,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:09:16,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:09:16,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:09:16,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:09:16,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:09:16,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:09:16,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:09:16,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:09:16,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:09:16,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 02:09:16,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:09:16,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:09:16,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:09:16,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:09:16,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:09:16,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:09:16,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:09:16,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:09:16,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:09:16,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:09:16,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:09:16,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:09:16,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 02:09:16,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:09:16,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:09:16,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:09:16,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:09:16,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:09:16,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:09:16,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 02:09:16,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-15 02:09:16,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:09:16,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:09:16,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:09:16,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:09:16,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 02:09:16,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:09:16,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:09:16,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:09:16,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:09:16,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:09:16,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:09:16,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:09:16,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:09:16,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:09:16,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:09:16,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:09:16,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:09:16,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:09:16,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:09:16,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:09:16,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:09:16,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:09:16,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:09:16,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:09:16,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:09:16,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:09:16,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:09:16,860 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:09:16,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:09:16,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:09:16,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:09:16,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:09:16,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-15 02:09:16,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:09:16,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:09:16,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:09:16,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:09:16,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:09:16,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:09:16,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:09:16,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:09:16,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:09:16,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:09:16,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:09:16,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:09:16,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-15 02:09:16,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:09:16,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:09:16,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:09:16,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:09:16,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:09:16,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:09:16,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-15 02:09:16,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:09:16,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:09:16,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:09:16,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:09:16,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 02:09:16,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:09:16,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:09:16,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:09:16,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:09:16,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:09:16,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:09:16,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:09:16,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:09:16,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:09:16,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:09:16,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:09:16,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:09:16,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:09:16,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:09:16,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:09:16,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:09:16,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:09:16,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:09:16,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:09:16,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:09:16,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:09:16,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:09:16,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:09:16,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:09:16,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:09:16,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:09:16,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:09:16,963 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 100 proven. 45 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2020-10-15 02:09:16,963 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [801019789] [2020-10-15 02:09:16,963 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:09:16,963 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-15 02:09:16,963 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657293499] [2020-10-15 02:09:16,964 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 02:09:16,964 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:09:16,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 02:09:16,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-15 02:09:16,965 INFO L87 Difference]: Start difference. First operand 90 states and 115 transitions. Second operand 12 states. [2020-10-15 02:09:17,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:09:17,207 INFO L93 Difference]: Finished difference Result 158 states and 214 transitions. [2020-10-15 02:09:17,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-15 02:09:17,208 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 109 [2020-10-15 02:09:17,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:09:17,209 INFO L225 Difference]: With dead ends: 158 [2020-10-15 02:09:17,209 INFO L226 Difference]: Without dead ends: 0 [2020-10-15 02:09:17,211 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2020-10-15 02:09:17,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-15 02:09:17,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-15 02:09:17,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-15 02:09:17,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-15 02:09:17,212 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 109 [2020-10-15 02:09:17,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:09:17,212 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-15 02:09:17,212 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 02:09:17,212 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-15 02:09:17,213 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-15 02:09:17,213 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-15 02:09:17,215 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-15 02:09:18,715 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 6 [2020-10-15 02:09:19,056 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 14 [2020-10-15 02:09:19,377 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 20 [2020-10-15 02:09:19,382 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-10-15 02:09:19,382 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-15 02:09:19,382 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-15 02:09:19,382 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-15 02:09:19,382 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-15 02:09:19,382 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-15 02:09:19,382 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 39) no Hoare annotation was computed. [2020-10-15 02:09:19,382 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 35 42) the Hoare annotation is: true [2020-10-15 02:09:19,383 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 35 42) no Hoare annotation was computed. [2020-10-15 02:09:19,383 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 35 42) no Hoare annotation was computed. [2020-10-15 02:09:19,383 INFO L268 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-15 02:09:19,383 INFO L268 CegarLoopResult]: For program point L38(lines 38 40) no Hoare annotation was computed. [2020-10-15 02:09:19,383 INFO L264 CegarLoopResult]: At program point L37(line 37) the Hoare annotation is: (= main_~x~0 4) [2020-10-15 02:09:19,383 INFO L268 CegarLoopResult]: For program point L37-1(line 37) no Hoare annotation was computed. [2020-10-15 02:09:19,383 INFO L268 CegarLoopResult]: For program point L38-2(lines 38 40) no Hoare annotation was computed. [2020-10-15 02:09:19,383 INFO L271 CegarLoopResult]: At program point fibo2ENTRY(lines 17 25) the Hoare annotation is: true [2020-10-15 02:09:19,383 INFO L264 CegarLoopResult]: At program point L23(line 23) the Hoare annotation is: (and (= fibo2_~n |fibo2_#in~n|) (<= 2 |fibo2_#in~n|)) [2020-10-15 02:09:19,383 INFO L268 CegarLoopResult]: For program point L23-1(line 23) no Hoare annotation was computed. [2020-10-15 02:09:19,384 INFO L264 CegarLoopResult]: At program point L23-2(line 23) the Hoare annotation is: (let ((.cse0 (= fibo2_~n |fibo2_#in~n|))) (or (and (<= 4 |fibo2_#in~n|) .cse0) (and (<= |fibo2_#t~ret2| 1) .cse0 (<= 1 |fibo2_#t~ret2|) (<= 2 |fibo2_#in~n|)))) [2020-10-15 02:09:19,384 INFO L268 CegarLoopResult]: For program point L20(lines 20 24) no Hoare annotation was computed. [2020-10-15 02:09:19,384 INFO L268 CegarLoopResult]: For program point L23-3(line 23) no Hoare annotation was computed. [2020-10-15 02:09:19,384 INFO L268 CegarLoopResult]: For program point L18(lines 18 24) no Hoare annotation was computed. [2020-10-15 02:09:19,384 INFO L268 CegarLoopResult]: For program point fibo2FINAL(lines 17 25) no Hoare annotation was computed. [2020-10-15 02:09:19,384 INFO L268 CegarLoopResult]: For program point fibo2EXIT(lines 17 25) no Hoare annotation was computed. [2020-10-15 02:09:19,384 INFO L271 CegarLoopResult]: At program point fibo1ENTRY(lines 7 15) the Hoare annotation is: true [2020-10-15 02:09:19,384 INFO L264 CegarLoopResult]: At program point L13(line 13) the Hoare annotation is: (and (< 1 fibo1_~n) (= fibo1_~n |fibo1_#in~n|)) [2020-10-15 02:09:19,385 INFO L268 CegarLoopResult]: For program point L13-1(line 13) no Hoare annotation was computed. [2020-10-15 02:09:19,385 INFO L264 CegarLoopResult]: At program point L13-2(line 13) the Hoare annotation is: (and (or (not (= |fibo1_#in~n| 4)) (and (<= 2 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 2))) (or (= |fibo1_#t~ret0| 1) (= fibo1_~n 4) (<= 5 fibo1_~n)) (<= 2 |fibo1_#in~n|) (= fibo1_~n |fibo1_#in~n|)) [2020-10-15 02:09:19,385 INFO L268 CegarLoopResult]: For program point fibo1FINAL(lines 7 15) no Hoare annotation was computed. [2020-10-15 02:09:19,385 INFO L268 CegarLoopResult]: For program point L10(lines 10 14) no Hoare annotation was computed. [2020-10-15 02:09:19,385 INFO L268 CegarLoopResult]: For program point L13-3(line 13) no Hoare annotation was computed. [2020-10-15 02:09:19,385 INFO L268 CegarLoopResult]: For program point L8(lines 8 14) no Hoare annotation was computed. [2020-10-15 02:09:19,385 INFO L268 CegarLoopResult]: For program point fibo1EXIT(lines 7 15) no Hoare annotation was computed. [2020-10-15 02:09:19,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 02:09:19 BoogieIcfgContainer [2020-10-15 02:09:19,390 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-15 02:09:19,391 INFO L168 Benchmark]: Toolchain (without parser) took 205779.37 ms. Allocated memory was 148.4 MB in the beginning and 615.5 MB in the end (delta: 467.1 MB). Free memory was 104.8 MB in the beginning and 77.9 MB in the end (delta: 26.9 MB). Peak memory consumption was 494.0 MB. Max. memory is 7.1 GB. [2020-10-15 02:09:19,392 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 148.4 MB. Free memory was 122.9 MB in the beginning and 122.5 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. [2020-10-15 02:09:19,392 INFO L168 Benchmark]: CACSL2BoogieTranslator took 225.27 ms. Allocated memory is still 148.4 MB. Free memory was 104.4 MB in the beginning and 95.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2020-10-15 02:09:19,393 INFO L168 Benchmark]: Boogie Preprocessor took 115.68 ms. Allocated memory was 148.4 MB in the beginning and 205.0 MB in the end (delta: 56.6 MB). Free memory was 95.0 MB in the beginning and 183.4 MB in the end (delta: -88.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2020-10-15 02:09:19,394 INFO L168 Benchmark]: RCFGBuilder took 283.49 ms. Allocated memory is still 205.0 MB. Free memory was 183.4 MB in the beginning and 170.0 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. [2020-10-15 02:09:19,394 INFO L168 Benchmark]: TraceAbstraction took 205150.03 ms. Allocated memory was 205.0 MB in the beginning and 615.5 MB in the end (delta: 410.5 MB). Free memory was 169.1 MB in the beginning and 77.9 MB in the end (delta: 91.2 MB). Peak memory consumption was 501.7 MB. Max. memory is 7.1 GB. [2020-10-15 02:09:19,397 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 148.4 MB. Free memory was 122.9 MB in the beginning and 122.5 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 225.27 ms. Allocated memory is still 148.4 MB. Free memory was 104.4 MB in the beginning and 95.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.68 ms. Allocated memory was 148.4 MB in the beginning and 205.0 MB in the end (delta: 56.6 MB). Free memory was 95.0 MB in the beginning and 183.4 MB in the end (delta: -88.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 283.49 ms. Allocated memory is still 205.0 MB. Free memory was 183.4 MB in the beginning and 170.0 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 205150.03 ms. Allocated memory was 205.0 MB in the beginning and 615.5 MB in the end (delta: 410.5 MB). Free memory was 169.1 MB in the beginning and 77.9 MB in the end (delta: 91.2 MB). Peak memory consumption was 501.7 MB. 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: 202.8s, OverallIterations: 19, TraceHistogramMax: 13, AutomataDifference: 5.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 552 SDtfs, 609 SDslu, 3399 SDs, 0 SdLazy, 3640 SolverSat, 461 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 709 GetRequests, 436 SyntacticMatches, 3 SemanticMatches, 270 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 543 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=167occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 19 MinimizatonAttempts, 124 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 638 PreInvPairs, 1346 NumberOfFragments, 73 HoareAnnotationTreeSize, 638 FomulaSimplifications, 31074 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 11 FomulaSimplificationsInter, 4458 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 196.6s InterpolantComputationTime, 1379 NumberOfCodeBlocks, 1379 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 1360 ConstructedInterpolants, 0 QuantifiedInterpolants, 265241 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 4 PerfectInterpolantSequences, 2268/2966 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...