/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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=0.3 --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 language data_model -i ../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_8-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 12:07:36,300 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 12:07:36,303 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 12:07:36,353 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 12:07:36,353 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 12:07:36,360 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 12:07:36,363 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 12:07:36,367 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 12:07:36,371 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 12:07:36,377 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 12:07:36,378 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 12:07:36,380 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 12:07:36,381 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 12:07:36,385 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 12:07:36,389 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 12:07:36,391 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 12:07:36,392 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 12:07:36,397 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 12:07:36,405 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 12:07:36,413 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 12:07:36,416 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 12:07:36,418 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 12:07:36,419 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 12:07:36,422 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 12:07:36,443 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 12:07:36,443 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 12:07:36,444 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 12:07:36,446 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 12:07:36,446 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 12:07:36,447 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 12:07:36,448 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 12:07:36,449 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 12:07:36,451 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 12:07:36,452 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 12:07:36,453 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 12:07:36,453 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 12:07:36,454 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 12:07:36,454 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 12:07:36,454 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 12:07:36,455 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 12:07:36,456 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 12:07:36,464 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 [2020-10-29 12:07:36,516 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 12:07:36,516 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 12:07:36,520 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 12:07:36,521 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 12:07:36,521 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 12:07:36,521 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 12:07:36,521 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 12:07:36,521 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 12:07:36,522 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 12:07:36,522 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 12:07:36,523 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 12:07:36,523 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 12:07:36,523 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 12:07:36,524 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 12:07:36,524 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 12:07:36,524 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 12:07:36,524 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 12:07:36,525 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 12:07:36,525 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 12:07:36,525 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 12:07:36,525 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 12:07:36,525 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 12:07:36,526 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 12:07:36,526 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 12:07:36,526 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 12:07:36,526 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 12:07:36,526 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 12:07:36,527 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 12:07:36,527 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 12:07:36,527 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 12:07:36,945 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 12:07:36,975 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 12:07:36,978 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 12:07:36,979 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 12:07:36,980 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 12:07:36,981 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_8-1.c [2020-10-29 12:07:37,062 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/03af4a8c5/2b8c74d827b34b4aab857ab04b02917d/FLAG89e78e384 [2020-10-29 12:07:37,713 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 12:07:37,713 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_2calls_8-1.c [2020-10-29 12:07:37,722 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/03af4a8c5/2b8c74d827b34b4aab857ab04b02917d/FLAG89e78e384 [2020-10-29 12:07:38,097 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/03af4a8c5/2b8c74d827b34b4aab857ab04b02917d [2020-10-29 12:07:38,102 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 12:07:38,110 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 12:07:38,115 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 12:07:38,115 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 12:07:38,120 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 12:07:38,121 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 12:07:38" (1/1) ... [2020-10-29 12:07:38,129 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fd1bf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:07:38, skipping insertion in model container [2020-10-29 12:07:38,129 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 12:07:38" (1/1) ... [2020-10-29 12:07:38,139 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 12:07:38,159 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 12:07:38,356 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 12:07:38,367 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 12:07:38,387 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 12:07:38,404 INFO L208 MainTranslator]: Completed translation [2020-10-29 12:07:38,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:07:38 WrapperNode [2020-10-29 12:07:38,405 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 12:07:38,406 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 12:07:38,406 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 12:07:38,406 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 12:07:38,421 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:07:38" (1/1) ... [2020-10-29 12:07:38,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:07:38" (1/1) ... [2020-10-29 12:07:38,429 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:07:38" (1/1) ... [2020-10-29 12:07:38,430 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:07:38" (1/1) ... [2020-10-29 12:07:38,436 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:07:38" (1/1) ... [2020-10-29 12:07:38,438 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:07:38" (1/1) ... [2020-10-29 12:07:38,439 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:07:38" (1/1) ... [2020-10-29 12:07:38,442 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 12:07:38,443 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 12:07:38,443 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 12:07:38,443 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 12:07:38,444 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:07:38" (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 [2020-10-29 12:07:38,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 12:07:38,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 12:07:38,530 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 12:07:38,530 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-10-29 12:07:38,530 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-10-29 12:07:38,531 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 12:07:38,531 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 12:07:38,531 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 12:07:38,531 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 12:07:38,531 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 12:07:38,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 12:07:38,532 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-10-29 12:07:38,532 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-10-29 12:07:38,532 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 12:07:38,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 12:07:38,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 12:07:38,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 12:07:38,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 12:07:38,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 12:07:38,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 12:07:38,938 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 12:07:38,938 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-29 12:07:38,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:07:38 BoogieIcfgContainer [2020-10-29 12:07:38,940 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 12:07:38,961 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 12:07:38,963 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 12:07:38,981 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 12:07:38,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 12:07:38" (1/3) ... [2020-10-29 12:07:38,982 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@627e67b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 12:07:38, skipping insertion in model container [2020-10-29 12:07:38,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:07:38" (2/3) ... [2020-10-29 12:07:38,983 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@627e67b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 12:07:38, skipping insertion in model container [2020-10-29 12:07:38,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:07:38" (3/3) ... [2020-10-29 12:07:38,988 INFO L111 eAbstractionObserver]: Analyzing ICFG fibo_2calls_8-1.c [2020-10-29 12:07:39,030 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 12:07:39,041 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 12:07:39,057 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 12:07:39,086 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 12:07:39,086 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 12:07:39,086 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 12:07:39,086 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 12:07:39,087 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 12:07:39,087 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 12:07:39,087 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 12:07:39,087 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 12:07:39,108 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2020-10-29 12:07:39,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-29 12:07:39,114 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:07:39,115 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:07:39,116 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:07:39,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:07:39,123 INFO L82 PathProgramCache]: Analyzing trace with hash 219823047, now seen corresponding path program 1 times [2020-10-29 12:07:39,134 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:07:39,135 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [650129394] [2020-10-29 12:07:39,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:07:39,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:39,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:39,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:39,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 12:07:39,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:39,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 264 [2020-10-29 12:07:39,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:39,574 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:39,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:07:39,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:07:39,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:07:39,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-29 12:07:39,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:07:39,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:39,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:39,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:39,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:07:39,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:39,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 12:07:39,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:39,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:39,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:39,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:39,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:39,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:07:39,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:07:39,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:39,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:39,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:39,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:39,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:39,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-29 12:07:39,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:39,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:39,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:07:39,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:07:39,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:07:39,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-29 12:07:39,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 12:07:39,851 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [650129394] [2020-10-29 12:07:39,854 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 12:07:39,854 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-29 12:07:39,856 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934605781] [2020-10-29 12:07:39,861 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 12:07:39,864 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:07:39,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 12:07:39,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-29 12:07:39,881 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 6 states. [2020-10-29 12:07:40,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:07:40,208 INFO L93 Difference]: Finished difference Result 50 states and 60 transitions. [2020-10-29 12:07:40,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-29 12:07:40,210 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-10-29 12:07:40,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:07:40,222 INFO L225 Difference]: With dead ends: 50 [2020-10-29 12:07:40,223 INFO L226 Difference]: Without dead ends: 32 [2020-10-29 12:07:40,227 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-29 12:07:40,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-10-29 12:07:40,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2020-10-29 12:07:40,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-10-29 12:07:40,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-10-29 12:07:40,292 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 15 [2020-10-29 12:07:40,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:07:40,293 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-10-29 12:07:40,293 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 12:07:40,293 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-10-29 12:07:40,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-29 12:07:40,295 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:07:40,296 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:07:40,296 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 12:07:40,296 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:07:40,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:07:40,297 INFO L82 PathProgramCache]: Analyzing trace with hash -1220716726, now seen corresponding path program 1 times [2020-10-29 12:07:40,298 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:07:40,298 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1193878441] [2020-10-29 12:07:40,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:07:40,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:40,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:40,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:40,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:07:40,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:40,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 154 [2020-10-29 12:07:40,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:40,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:40,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:07:40,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:07:40,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:07:40,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 12:07:40,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:07:40,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:40,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:40,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:40,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:07:40,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:40,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 12:07:40,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:40,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:40,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:40,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:40,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:40,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:07:40,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:07:40,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:40,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:40,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:40,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:40,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:40,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-29 12:07:40,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:40,643 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:40,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:07:40,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:07:40,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:07:40,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:07:40,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 12:07:40,673 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1193878441] [2020-10-29 12:07:40,673 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 12:07:40,673 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-29 12:07:40,674 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269609971] [2020-10-29 12:07:40,675 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 12:07:40,676 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:07:40,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 12:07:40,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-29 12:07:40,678 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 6 states. [2020-10-29 12:07:41,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:07:41,117 INFO L93 Difference]: Finished difference Result 39 states and 47 transitions. [2020-10-29 12:07:41,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-29 12:07:41,118 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2020-10-29 12:07:41,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:07:41,120 INFO L225 Difference]: With dead ends: 39 [2020-10-29 12:07:41,120 INFO L226 Difference]: Without dead ends: 34 [2020-10-29 12:07:41,122 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-29 12:07:41,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-10-29 12:07:41,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2020-10-29 12:07:41,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-10-29 12:07:41,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-10-29 12:07:41,134 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 16 [2020-10-29 12:07:41,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:07:41,135 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-10-29 12:07:41,135 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 12:07:41,135 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-10-29 12:07:41,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-29 12:07:41,137 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:07:41,137 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, 1, 1] [2020-10-29 12:07:41,137 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 12:07:41,137 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:07:41,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:07:41,138 INFO L82 PathProgramCache]: Analyzing trace with hash 2083135015, now seen corresponding path program 1 times [2020-10-29 12:07:41,138 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:07:41,139 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1440793827] [2020-10-29 12:07:41,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:07:41,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:41,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:41,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:41,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:41,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:41,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-29 12:07:41,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:07:41,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 686 [2020-10-29 12:07:41,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:41,841 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:41,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:07:41,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:07:41,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-29 12:07:41,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:07:41,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:07:41,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:41,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:41,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:41,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:07:41,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:41,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:07:41,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:41,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:41,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:41,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:41,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:41,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:07:41,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:07:41,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:41,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:41,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:41,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:42,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:42,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:07:42,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:07:42,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 158 [2020-10-29 12:07:42,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:42,058 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:42,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:07:42,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:07:42,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:07:42,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:07:42,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:42,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:42,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:42,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:42,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:42,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:42,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 12:07:42,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:42,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:42,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:07:42,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:42,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:07:42,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:07:42,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 12:07:42,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:42,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:42,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:42,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:42,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:42,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:07:42,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:42,141 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:42,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:07:42,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:42,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:07:42,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:07:42,148 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 12:07:42,149 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1440793827] [2020-10-29 12:07:42,149 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:07:42,149 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-29 12:07:42,149 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786113716] [2020-10-29 12:07:42,150 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 12:07:42,150 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:07:42,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 12:07:42,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-29 12:07:42,151 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 8 states. [2020-10-29 12:07:42,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:07:42,578 INFO L93 Difference]: Finished difference Result 51 states and 69 transitions. [2020-10-29 12:07:42,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 12:07:42,578 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2020-10-29 12:07:42,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:07:42,582 INFO L225 Difference]: With dead ends: 51 [2020-10-29 12:07:42,582 INFO L226 Difference]: Without dead ends: 46 [2020-10-29 12:07:42,583 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2020-10-29 12:07:42,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-10-29 12:07:42,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 44. [2020-10-29 12:07:42,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-10-29 12:07:42,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 59 transitions. [2020-10-29 12:07:42,599 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 59 transitions. Word has length 28 [2020-10-29 12:07:42,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:07:42,599 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 59 transitions. [2020-10-29 12:07:42,599 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 12:07:42,599 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 59 transitions. [2020-10-29 12:07:42,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-29 12:07:42,604 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:07:42,604 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, 1, 1] [2020-10-29 12:07:42,604 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 12:07:42,604 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:07:42,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:07:42,605 INFO L82 PathProgramCache]: Analyzing trace with hash 752879968, now seen corresponding path program 1 times [2020-10-29 12:07:42,605 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:07:42,605 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [732217013] [2020-10-29 12:07:42,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:07:42,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:42,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:42,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:42,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:42,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-29 12:07:42,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:07:42,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 358 [2020-10-29 12:07:42,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:42,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:42,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:07:42,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:07:42,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-29 12:07:42,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:43,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:07:43,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:43,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:43,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:43,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:07:43,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:43,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 12:07:43,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:43,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:43,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:43,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:43,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:43,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:07:43,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:07:43,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:43,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:43,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:43,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:43,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:07:43,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:07:43,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-10-29 12:07:43,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:43,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:43,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:07:43,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:07:43,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:07:43,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:43,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:43,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:43,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:43,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:43,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:43,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:43,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-29 12:07:43,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:43,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:43,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:07:43,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:43,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:07:43,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:07:43,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:07:43,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:43,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:43,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:43,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:43,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:43,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 12:07:43,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:43,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:43,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:07:43,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:43,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:07:43,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:07:43,272 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 12:07:43,272 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [732217013] [2020-10-29 12:07:43,273 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 12:07:43,273 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 12:07:43,274 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480807529] [2020-10-29 12:07:43,275 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 12:07:43,277 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:07:43,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 12:07:43,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-29 12:07:43,278 INFO L87 Difference]: Start difference. First operand 44 states and 59 transitions. Second operand 8 states. [2020-10-29 12:07:43,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:07:43,739 INFO L93 Difference]: Finished difference Result 54 states and 72 transitions. [2020-10-29 12:07:43,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-29 12:07:43,742 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 29 [2020-10-29 12:07:43,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:07:43,744 INFO L225 Difference]: With dead ends: 54 [2020-10-29 12:07:43,747 INFO L226 Difference]: Without dead ends: 49 [2020-10-29 12:07:43,748 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-29 12:07:43,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-10-29 12:07:43,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 46. [2020-10-29 12:07:43,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-10-29 12:07:43,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 61 transitions. [2020-10-29 12:07:43,774 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 61 transitions. Word has length 29 [2020-10-29 12:07:43,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:07:43,774 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 61 transitions. [2020-10-29 12:07:43,775 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 12:07:43,775 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 61 transitions. [2020-10-29 12:07:43,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-29 12:07:43,782 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:07:43,782 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, 1, 1] [2020-10-29 12:07:43,782 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 12:07:43,783 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:07:43,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:07:43,783 INFO L82 PathProgramCache]: Analyzing trace with hash 1703344845, now seen corresponding path program 1 times [2020-10-29 12:07:43,783 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:07:43,784 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [157013950] [2020-10-29 12:07:43,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:07:43,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:43,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:43,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:43,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:44,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:44,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:44,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-29 12:07:44,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 12:07:44,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 566 [2020-10-29 12:07:44,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:44,376 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:44,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:07:44,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:07:44,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-29 12:07:44,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:07:44,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:07:44,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:44,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:44,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:44,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:07:44,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:44,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:07:44,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:44,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:44,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:44,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:44,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:44,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:07:44,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:07:44,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:44,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:44,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:44,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:44,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:44,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:44,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-29 12:07:44,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 12:07:44,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 149 [2020-10-29 12:07:44,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:44,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:44,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:07:44,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:07:44,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:07:44,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:44,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:44,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:44,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:44,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:44,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:44,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:44,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-29 12:07:44,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:44,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:44,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:07:44,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:44,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:07:44,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:44,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:07:44,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:44,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:44,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:44,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:44,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:44,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 12:07:44,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:44,656 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:44,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:07:44,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:44,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:07:44,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:07:44,685 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 12:07:44,685 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [157013950] [2020-10-29 12:07:44,686 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 12:07:44,686 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 12:07:44,686 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292819412] [2020-10-29 12:07:44,687 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 12:07:44,687 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:07:44,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 12:07:44,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-29 12:07:44,688 INFO L87 Difference]: Start difference. First operand 46 states and 61 transitions. Second operand 8 states. [2020-10-29 12:07:45,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:07:45,186 INFO L93 Difference]: Finished difference Result 65 states and 94 transitions. [2020-10-29 12:07:45,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 12:07:45,186 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 30 [2020-10-29 12:07:45,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:07:45,188 INFO L225 Difference]: With dead ends: 65 [2020-10-29 12:07:45,189 INFO L226 Difference]: Without dead ends: 60 [2020-10-29 12:07:45,189 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2020-10-29 12:07:45,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-10-29 12:07:45,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 57. [2020-10-29 12:07:45,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-10-29 12:07:45,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 81 transitions. [2020-10-29 12:07:45,206 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 81 transitions. Word has length 30 [2020-10-29 12:07:45,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:07:45,207 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 81 transitions. [2020-10-29 12:07:45,207 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 12:07:45,207 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 81 transitions. [2020-10-29 12:07:45,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-29 12:07:45,212 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:07:45,212 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, 1, 1] [2020-10-29 12:07:45,212 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 12:07:45,213 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:07:45,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:07:45,214 INFO L82 PathProgramCache]: Analyzing trace with hash 1887052013, now seen corresponding path program 1 times [2020-10-29 12:07:45,214 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:07:45,214 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [539456610] [2020-10-29 12:07:45,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:07:45,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:45,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:45,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:45,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:45,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:45,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:45,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:47,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:47,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:47,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:47,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:50,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:50,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-29 12:07:50,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-29 12:07:50,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-29 12:07:50,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:50,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:50,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:07:50,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:07:50,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-29 12:07:50,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:50,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:07:50,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:50,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:50,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:50,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:07:50,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:50,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 12:07:50,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:50,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:50,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:50,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:50,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:50,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:07:50,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:07:50,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:50,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:50,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:50,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:50,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:50,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:50,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:50,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:50,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:50,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:52,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:52,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:52,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:52,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:55,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:55,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-29 12:07:55,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-29 12:07:55,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 12:07:55,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:55,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:55,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:07:55,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:07:55,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-29 12:07:55,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:07:55,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:55,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:55,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:55,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:55,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:55,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:07:55,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:07:55,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-29 12:07:55,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:55,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:55,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:07:55,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:55,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:07:55,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:07:55,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:55,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:55,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:55,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:55,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:55,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:55,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:07:55,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:55,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:55,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:55,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:55,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:55,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:07:55,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 12:07:55,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:55,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:55,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:55,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:55,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:55,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:07:55,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:55,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:55,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:55,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:55,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:55,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:07:55,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 12:07:55,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:55,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:55,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:55,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:55,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:55,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:07:55,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:07:55,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-29 12:07:55,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:55,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:55,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:07:55,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:55,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:07:55,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:07:55,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:55,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:55,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:55,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:55,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:55,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:55,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:07:55,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:55,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:55,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:07:55,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:55,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:07:55,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:07:55,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 12:07:55,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:55,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:55,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:55,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:55,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:55,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:07:55,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:55,643 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:55,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:07:55,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:55,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:07:55,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 12:07:55,686 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 23 proven. 6 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-29 12:07:55,686 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [539456610] [2020-10-29 12:07:55,688 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:07:55,688 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-29 12:07:55,688 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877750628] [2020-10-29 12:07:55,689 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 12:07:55,690 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:07:55,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 12:07:55,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-29 12:07:55,691 INFO L87 Difference]: Start difference. First operand 57 states and 81 transitions. Second operand 10 states. [2020-10-29 12:07:56,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:07:56,261 INFO L93 Difference]: Finished difference Result 78 states and 126 transitions. [2020-10-29 12:07:56,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 12:07:56,262 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 54 [2020-10-29 12:07:56,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:07:56,267 INFO L225 Difference]: With dead ends: 78 [2020-10-29 12:07:56,268 INFO L226 Difference]: Without dead ends: 73 [2020-10-29 12:07:56,269 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2020-10-29 12:07:56,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-10-29 12:07:56,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 59. [2020-10-29 12:07:56,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-10-29 12:07:56,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 88 transitions. [2020-10-29 12:07:56,294 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 88 transitions. Word has length 54 [2020-10-29 12:07:56,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:07:56,294 INFO L481 AbstractCegarLoop]: Abstraction has 59 states and 88 transitions. [2020-10-29 12:07:56,294 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-29 12:07:56,295 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 88 transitions. [2020-10-29 12:07:56,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-29 12:07:56,297 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:07:56,298 INFO L422 BasicCegarLoop]: trace histogram [5, 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, 1] [2020-10-29 12:07:56,298 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 12:07:56,298 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:07:56,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:07:56,299 INFO L82 PathProgramCache]: Analyzing trace with hash -58455699, now seen corresponding path program 1 times [2020-10-29 12:07:56,299 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:07:56,299 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1188792949] [2020-10-29 12:07:56,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:07:56,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:56,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:56,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:56,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:56,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:56,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:57,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:57,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:57,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:57,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:57,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:58,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:58,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:58,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:58,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:01,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:01,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 12:08:01,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-29 12:08:01,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-29 12:08:01,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:01,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:01,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:08:01,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:08:01,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-29 12:08:01,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:01,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:08:01,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:01,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:01,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:01,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:08:01,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:01,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:08:01,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:01,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:01,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:01,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:01,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:01,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:01,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:08:01,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:01,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:01,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:01,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:01,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:01,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:01,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:01,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:01,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:01,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:01,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:01,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:03,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:04,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:06,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:06,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-29 12:08:06,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-29 12:08:06,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 12:08:06,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:06,385 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:06,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:08:06,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:08:06,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-29 12:08:06,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:08:06,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:06,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:06,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:06,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:06,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:06,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:06,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-29 12:08:06,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:08:06,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-29 12:08:06,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:06,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:06,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:06,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:06,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:08:06,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:06,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:06,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:06,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:06,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:06,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:06,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:06,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:08:06,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:06,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:06,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:06,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:06,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:06,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:06,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:08:06,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:06,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:06,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:06,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:06,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:06,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:08:06,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:06,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:06,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:06,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:06,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:06,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:08:06,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-29 12:08:06,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:06,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:06,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:06,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:06,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:06,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:06,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-29 12:08:06,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 12:08:06,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-29 12:08:06,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:06,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:06,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:08:06,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:06,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-29 12:08:06,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:08:06,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:06,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:06,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:06,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:06,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:06,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:06,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:08:06,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:06,681 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:06,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:08:06,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:06,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:08:06,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:08:06,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:08:06,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:06,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:06,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:06,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:06,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:06,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:08:06,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:06,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:06,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:06,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:06,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:08:06,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:08:06,714 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 22 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-10-29 12:08:06,714 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1188792949] [2020-10-29 12:08:06,714 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:08:06,715 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-29 12:08:06,715 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311810471] [2020-10-29 12:08:06,715 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 12:08:06,716 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:08:06,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 12:08:06,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-29 12:08:06,717 INFO L87 Difference]: Start difference. First operand 59 states and 88 transitions. Second operand 9 states. [2020-10-29 12:08:07,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:08:07,256 INFO L93 Difference]: Finished difference Result 142 states and 275 transitions. [2020-10-29 12:08:07,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 12:08:07,257 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 58 [2020-10-29 12:08:07,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:08:07,259 INFO L225 Difference]: With dead ends: 142 [2020-10-29 12:08:07,259 INFO L226 Difference]: Without dead ends: 90 [2020-10-29 12:08:07,262 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2020-10-29 12:08:07,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2020-10-29 12:08:07,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 84. [2020-10-29 12:08:07,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-10-29 12:08:07,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 147 transitions. [2020-10-29 12:08:07,284 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 147 transitions. Word has length 58 [2020-10-29 12:08:07,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:08:07,285 INFO L481 AbstractCegarLoop]: Abstraction has 84 states and 147 transitions. [2020-10-29 12:08:07,285 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 12:08:07,285 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 147 transitions. [2020-10-29 12:08:07,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-10-29 12:08:07,289 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:08:07,289 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:08:07,290 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 12:08:07,290 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:08:07,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:08:07,290 INFO L82 PathProgramCache]: Analyzing trace with hash 252533325, now seen corresponding path program 1 times [2020-10-29 12:08:07,291 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:08:07,291 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [542362550] [2020-10-29 12:08:07,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:08:07,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:07,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:07,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:07,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:07,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:07,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:07,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:07,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:07,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:07,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:07,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:07,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:08,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:08,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:09,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:09,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:12,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:12,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-29 12:08:12,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-29 12:08:12,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-29 12:08:12,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:12,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:12,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 12:08:12,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-29 12:08:12,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-29 12:08:12,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:12,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:08:12,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:12,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:12,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:12,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:08:12,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:12,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:08:12,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:12,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:12,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:12,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:12,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:12,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:12,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:08:12,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:12,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:12,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:12,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:12,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:12,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:12,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:12,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:12,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:13,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:14,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:14,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:14,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:14,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:14,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:14,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:14,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:15,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:15,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:15,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:15,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:15,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:16,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:16,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:17,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:17,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-29 12:08:17,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 23 [2020-10-29 12:08:17,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-29 12:08:17,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:17,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:17,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 12:08:17,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:08:17,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-29 12:08:17,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:08:17,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:17,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:17,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:17,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:17,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:17,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:17,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:17,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:17,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:17,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:18,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:18,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-29 12:08:18,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-29 12:08:18,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 800 [2020-10-29 12:08:18,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:18,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:18,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:08:18,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:18,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-29 12:08:18,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:08:18,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:18,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:18,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:18,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:18,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:18,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:08:18,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:08:18,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-29 12:08:18,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:18,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:18,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:18,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:18,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:08:18,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:08:18,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:18,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:18,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:18,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:18,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:18,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:18,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:18,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:18,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:18,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:18,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:18,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:18,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:08:18,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 12:08:18,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:18,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:18,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:18,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:18,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:18,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:18,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:18,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:18,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:18,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:18,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:18,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:18,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 12:08:18,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:18,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:18,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:18,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:18,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:18,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:08:18,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:18,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:18,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:08:18,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:18,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:08:18,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:08:18,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 12:08:18,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:18,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:18,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:18,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:18,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:18,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:18,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:18,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:18,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:18,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-29 12:08:18,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-29 12:08:18,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 370 [2020-10-29 12:08:18,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:18,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:18,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:08:18,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:08:18,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-29 12:08:18,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:18,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:18,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:18,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:18,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:18,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:18,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:08:18,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:08:18,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-29 12:08:18,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:18,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:18,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:08:18,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:18,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:08:18,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:18,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:18,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:18,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:18,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:18,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:18,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:18,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:08:18,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:18,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:18,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:18,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:18,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:08:18,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:08:18,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 12:08:18,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:18,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:18,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:18,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:18,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:18,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:08:18,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:18,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:18,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:18,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:18,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:08:18,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:18,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 12:08:18,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:18,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:18,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:18,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:18,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:18,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:08:18,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:18,937 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:18,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:18,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:18,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:08:18,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:18,961 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 43 proven. 29 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-10-29 12:08:18,962 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [542362550] [2020-10-29 12:08:18,962 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:08:18,962 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-29 12:08:18,962 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88654766] [2020-10-29 12:08:18,963 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-29 12:08:18,963 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:08:18,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-29 12:08:18,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-10-29 12:08:18,964 INFO L87 Difference]: Start difference. First operand 84 states and 147 transitions. Second operand 11 states. [2020-10-29 12:08:19,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:08:19,724 INFO L93 Difference]: Finished difference Result 190 states and 416 transitions. [2020-10-29 12:08:19,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 12:08:19,727 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 82 [2020-10-29 12:08:19,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:08:19,730 INFO L225 Difference]: With dead ends: 190 [2020-10-29 12:08:19,730 INFO L226 Difference]: Without dead ends: 113 [2020-10-29 12:08:19,733 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=67, Invalid=239, Unknown=0, NotChecked=0, Total=306 [2020-10-29 12:08:19,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2020-10-29 12:08:19,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 103. [2020-10-29 12:08:19,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-10-29 12:08:19,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 193 transitions. [2020-10-29 12:08:19,790 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 193 transitions. Word has length 82 [2020-10-29 12:08:19,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:08:19,791 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 193 transitions. [2020-10-29 12:08:19,791 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-29 12:08:19,791 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 193 transitions. [2020-10-29 12:08:19,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2020-10-29 12:08:19,795 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:08:19,795 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 10, 10, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 5, 5, 5, 5, 5, 5, 5, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:08:19,795 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 12:08:19,795 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:08:19,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:08:19,796 INFO L82 PathProgramCache]: Analyzing trace with hash -962584394, now seen corresponding path program 1 times [2020-10-29 12:08:19,796 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:08:19,797 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1433276673] [2020-10-29 12:08:19,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:08:19,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:19,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:19,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:19,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:19,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:19,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:19,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:20,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:20,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:20,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:22,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:22,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:22,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:22,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:24,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:24,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 249 [2020-10-29 12:08:24,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-29 12:08:24,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-29 12:08:24,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:24,852 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:24,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-29 12:08:24,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:08:24,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-29 12:08:24,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:24,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:08:24,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:24,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:24,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:24,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:08:24,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:24,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:08:24,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:24,907 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:24,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:24,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:24,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:24,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:24,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:08:24,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:24,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:24,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:24,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:25,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:25,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:25,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:25,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:25,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:25,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:25,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:29,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:29,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 233 [2020-10-29 12:08:29,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-29 12:08:29,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-29 12:08:29,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:29,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:29,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 12:08:29,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:08:29,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-29 12:08:29,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:29,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:29,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:29,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:29,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:30,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:30,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:30,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:30,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:30,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:30,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:30,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:30,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:30,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:30,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:30,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:30,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:30,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:30,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:31,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:31,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:32,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:34,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:34,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-29 12:08:34,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-29 12:08:34,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-29 12:08:34,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:34,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:34,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 12:08:34,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:08:34,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-29 12:08:34,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:35,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:35,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:35,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:35,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:35,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:35,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:35,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:08:35,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:08:35,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-29 12:08:35,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:35,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:35,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:08:35,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:35,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:08:35,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:35,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:35,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:35,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:35,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:35,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:35,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:35,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:08:35,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:35,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:35,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:08:35,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:35,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:08:35,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:35,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 12:08:35,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:35,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:35,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:35,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:35,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:35,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:35,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:35,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:35,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:35,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:35,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:08:35,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:35,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 12:08:35,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:35,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:35,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:35,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:35,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:35,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:35,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:35,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:35,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:35,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:35,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:35,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:35,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:35,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:35,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:40,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-29 12:08:40,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-29 12:08:40,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 12:08:40,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:40,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:40,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:08:40,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:08:40,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-29 12:08:40,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:40,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:40,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:40,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:40,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:08:40,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:40,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:08:40,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:40,235 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:40,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:40,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:40,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:08:40,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:40,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:40,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:40,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:40,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:40,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:40,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:40,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:40,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:40,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:40,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:40,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:40,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:40,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:08:40,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:40,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:40,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:40,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:40,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:40,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:40,245 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:40,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:40,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:40,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:40,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:40,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:08:40,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:40,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:40,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:08:40,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:08:40,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-29 12:08:40,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:40,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:40,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:40,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:40,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:08:40,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:40,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:40,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:40,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:40,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:40,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:40,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:40,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:40,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:40,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:40,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:40,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:40,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:40,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 12:08:40,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:40,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:40,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:40,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:40,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:40,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:40,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:40,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:40,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:40,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:40,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:40,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-29 12:08:40,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:40,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:41,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:41,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:41,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:41,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:43,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:43,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:43,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:43,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:43,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:43,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:44,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:44,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:44,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:44,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:44,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:44,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:45,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:45,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-29 12:08:45,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 40 [2020-10-29 12:08:45,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-29 12:08:45,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:45,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:45,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:08:45,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:08:45,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-29 12:08:45,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:45,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:45,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:45,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:45,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:45,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:45,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:45,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:45,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:45,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:45,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:45,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:45,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:50,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:50,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-29 12:08:50,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-29 12:08:50,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-29 12:08:50,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:50,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:50,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:50,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:50,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-29 12:08:50,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:50,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:50,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:50,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:50,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:50,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:50,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:08:50,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:08:50,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-29 12:08:50,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:50,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:50,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:08:50,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-29 12:08:50,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:08:50,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:50,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:50,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:50,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:50,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:50,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:50,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:50,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:08:50,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:50,515 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:50,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:08:50,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:08:50,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:08:50,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:50,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 12:08:50,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:50,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:50,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:50,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:50,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:50,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:50,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:50,547 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:50,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:50,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:08:50,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:50,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:50,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 12:08:50,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:50,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:50,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:50,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:50,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:08:50,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:08:50,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 12:08:50,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:50,569 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:50,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:08:50,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-29 12:08:50,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:08:50,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:50,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:50,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:50,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:50,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:50,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:50,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:50,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:08:50,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:50,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:50,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:08:50,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:08:50,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:08:50,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:08:50,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 12:08:50,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:50,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:50,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:50,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:50,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:50,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:50,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:50,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:50,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:50,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:08:50,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:50,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:50,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-29 12:08:50,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:50,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:50,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:50,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:50,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:50,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:50,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:50,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:50,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:55,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:55,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-29 12:08:55,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-29 12:08:55,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-29 12:08:55,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:55,602 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:55,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:55,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:55,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-29 12:08:55,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:55,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:55,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:55,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:55,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:55,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:55,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:55,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:55,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:08:55,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 12:08:55,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-29 12:08:55,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:55,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:55,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:08:55,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:08:55,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-29 12:08:55,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:55,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:55,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:55,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:55,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:55,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:55,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:55,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:08:55,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:55,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:55,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:08:55,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:55,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:08:55,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:55,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 12:08:55,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:55,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:55,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:55,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:55,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:55,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:08:55,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:08:55,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:55,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:55,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:08:55,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:08:55,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:08:55,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:55,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:08:55,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:55,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:55,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:55,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:08:55,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:55,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:08:55,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:55,784 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:55,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:55,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:55,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:55,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:55,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:55,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:55,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:55,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:55,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:55,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:55,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:55,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:55,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:55,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:55,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:55,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:55,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:55,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:08:55,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:55,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:55,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:55,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:55,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:55,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:55,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:55,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:55,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:55,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:55,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:55,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:55,862 INFO L134 CoverageAnalysis]: Checked inductivity of 932 backedges. 238 proven. 249 refuted. 0 times theorem prover too weak. 445 trivial. 0 not checked. [2020-10-29 12:08:55,863 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1433276673] [2020-10-29 12:08:55,863 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:08:55,863 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-29 12:08:55,863 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285755141] [2020-10-29 12:08:55,864 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-29 12:08:55,864 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:08:55,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-29 12:08:55,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2020-10-29 12:08:55,866 INFO L87 Difference]: Start difference. First operand 103 states and 193 transitions. Second operand 22 states. [2020-10-29 12:08:57,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:08:57,632 INFO L93 Difference]: Finished difference Result 187 states and 379 transitions. [2020-10-29 12:08:57,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-29 12:08:57,632 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 187 [2020-10-29 12:08:57,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:08:57,634 INFO L225 Difference]: With dead ends: 187 [2020-10-29 12:08:57,634 INFO L226 Difference]: Without dead ends: 90 [2020-10-29 12:08:57,637 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 224 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=207, Invalid=1275, Unknown=0, NotChecked=0, Total=1482 [2020-10-29 12:08:57,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2020-10-29 12:08:57,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 74. [2020-10-29 12:08:57,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-10-29 12:08:57,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 103 transitions. [2020-10-29 12:08:57,654 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 103 transitions. Word has length 187 [2020-10-29 12:08:57,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:08:57,654 INFO L481 AbstractCegarLoop]: Abstraction has 74 states and 103 transitions. [2020-10-29 12:08:57,654 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-29 12:08:57,654 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 103 transitions. [2020-10-29 12:08:57,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-10-29 12:08:57,656 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:08:57,656 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:08:57,656 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-29 12:08:57,657 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:08:57,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:08:57,657 INFO L82 PathProgramCache]: Analyzing trace with hash 1565484629, now seen corresponding path program 1 times [2020-10-29 12:08:57,657 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:08:57,658 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [13461771] [2020-10-29 12:08:57,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:08:57,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:57,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:57,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:57,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:57,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:57,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:57,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:57,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:57,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:58,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:59,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:59,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:59,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:59,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:59,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:59,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:59,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:59,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:59,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:59,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:59,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:59,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:02,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:02,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-29 12:09:02,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-29 12:09:02,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-29 12:09:02,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:02,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:02,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 12:09:02,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-29 12:09:02,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-29 12:09:02,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:02,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:09:02,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:02,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:02,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:02,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:09:02,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:02,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:09:02,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:02,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:02,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:02,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:02,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:02,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:02,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:09:02,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:02,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:02,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:02,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:02,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:02,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:02,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:02,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:02,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:02,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:02,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:03,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:03,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:03,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:05,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:05,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:05,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:07,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:07,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-29 12:09:07,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-29 12:09:07,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-29 12:09:07,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:07,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:07,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-29 12:09:07,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:09:07,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-29 12:09:07,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:07,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:07,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:07,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:07,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:07,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:07,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:07,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:07,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:07,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:07,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:07,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:09,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:09,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:09,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:09,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:09,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:12,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:12,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-29 12:09:12,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-29 12:09:12,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 12:09:12,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:12,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:12,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:09:12,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:12,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-29 12:09:12,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:12,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:12,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:12,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:12,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:12,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:12,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:12,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:09:12,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:09:12,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 178 [2020-10-29 12:09:12,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:12,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:12,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:09:12,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:12,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:09:12,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:13,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:13,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:13,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:13,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:13,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:09:13,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:13,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 12:09:13,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:13,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:13,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:09:13,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:13,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:09:13,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:13,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:09:13,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:13,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:13,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:13,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:09:13,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:13,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:09:13,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:13,041 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:13,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:09:13,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:13,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:09:13,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:13,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:09:13,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:13,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:13,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:13,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:09:13,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:13,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:09:13,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:13,056 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:13,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:09:13,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:13,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:09:13,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:13,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:13,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:13,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:13,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:13,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:09:13,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:13,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:09:13,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:13,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:13,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:13,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:13,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:13,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:13,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:09:13,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:13,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:13,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:13,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:09:13,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:13,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:09:13,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:13,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:13,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:13,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:13,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:13,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:13,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-29 12:09:13,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:13,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:13,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:13,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:13,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:13,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:13,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:13,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:09:13,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 12:09:13,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 301 [2020-10-29 12:09:13,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:13,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:13,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:09:13,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:09:13,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-29 12:09:13,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:13,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:13,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:13,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:13,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:13,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:09:13,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:13,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 12:09:13,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:13,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:13,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:09:13,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:13,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:09:13,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:13,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:13,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:13,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:13,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:13,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:09:13,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:13,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:09:13,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:13,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:13,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:13,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:13,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:13,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:13,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:09:13,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:13,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:13,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:13,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:09:13,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:13,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:09:13,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:13,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:13,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:13,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:13,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:13,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:13,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:09:13,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:13,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:13,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:13,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:09:13,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:13,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:09:13,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:13,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:13,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:09:13,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:13,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:09:13,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:13,499 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 46 proven. 67 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2020-10-29 12:09:13,499 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [13461771] [2020-10-29 12:09:13,499 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:09:13,499 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-29 12:09:13,499 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309792638] [2020-10-29 12:09:13,500 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-29 12:09:13,500 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:09:13,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-29 12:09:13,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-10-29 12:09:13,501 INFO L87 Difference]: Start difference. First operand 74 states and 103 transitions. Second operand 12 states. [2020-10-29 12:09:14,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:09:14,462 INFO L93 Difference]: Finished difference Result 167 states and 276 transitions. [2020-10-29 12:09:14,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-29 12:09:14,462 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 97 [2020-10-29 12:09:14,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:09:14,464 INFO L225 Difference]: With dead ends: 167 [2020-10-29 12:09:14,465 INFO L226 Difference]: Without dead ends: 103 [2020-10-29 12:09:14,466 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 31 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=80, Invalid=340, Unknown=0, NotChecked=0, Total=420 [2020-10-29 12:09:14,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2020-10-29 12:09:14,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 84. [2020-10-29 12:09:14,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-10-29 12:09:14,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 117 transitions. [2020-10-29 12:09:14,483 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 117 transitions. Word has length 97 [2020-10-29 12:09:14,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:09:14,483 INFO L481 AbstractCegarLoop]: Abstraction has 84 states and 117 transitions. [2020-10-29 12:09:14,483 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-29 12:09:14,484 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 117 transitions. [2020-10-29 12:09:14,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-10-29 12:09:14,485 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:09:14,486 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 6, 5, 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, 1, 1] [2020-10-29 12:09:14,486 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-29 12:09:14,486 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:09:14,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:09:14,487 INFO L82 PathProgramCache]: Analyzing trace with hash 1692422123, now seen corresponding path program 1 times [2020-10-29 12:09:14,487 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:09:14,489 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1898686413] [2020-10-29 12:09:14,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:09:14,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:14,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:14,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:14,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:14,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:14,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:14,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:19,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:19,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-29 12:09:19,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 12:09:19,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-29 12:09:19,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:19,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:19,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 12:09:19,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:09:19,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-29 12:09:19,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:19,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:09:19,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:19,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:19,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:19,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:09:19,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:19,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:09:19,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:19,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:19,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:19,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:19,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:19,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:19,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:09:19,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:19,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:19,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:19,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:19,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:19,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:19,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:19,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:19,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:19,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:19,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:20,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:20,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:20,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:20,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:20,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:22,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:22,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:22,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:22,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:23,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:23,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:23,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:23,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:23,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:23,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:23,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:24,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:24,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-29 12:09:24,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 26 [2020-10-29 12:09:24,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-29 12:09:24,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:24,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:24,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 12:09:24,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:09:24,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-29 12:09:24,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:24,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:24,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:24,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:24,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:24,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:24,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:24,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:24,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:24,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:24,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:25,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:28,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:28,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:28,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:29,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:29,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-29 12:09:29,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-29 12:09:29,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-29 12:09:29,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:29,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:29,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 12:09:29,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:09:29,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-29 12:09:29,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:29,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:29,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:29,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:29,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:29,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:29,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:29,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:29,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:29,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-29 12:09:29,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 12:09:29,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 297 [2020-10-29 12:09:29,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:29,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:29,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:09:29,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:29,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-29 12:09:29,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:29,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:29,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:29,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:29,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:29,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:09:29,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:29,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:09:29,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:29,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:29,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:09:29,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:29,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:09:29,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:29,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:29,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:29,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:29,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:29,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:09:29,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:29,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:09:29,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:29,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:29,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:29,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:29,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:29,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:29,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:09:29,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:29,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:29,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:29,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:09:29,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:29,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:09:29,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:29,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:29,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:29,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:29,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:29,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:29,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:09:29,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:29,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:29,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:29,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:09:29,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:29,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:09:29,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:29,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:29,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:09:29,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:29,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:09:29,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:30,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 12:09:30,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:30,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:30,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:30,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:30,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:30,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:09:30,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:09:30,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-29 12:09:30,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:30,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:30,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:09:30,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:09:30,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:09:30,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:30,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:30,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:30,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:30,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:30,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:09:30,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:30,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:09:30,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:30,169 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:30,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:09:30,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:30,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:09:30,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:30,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:09:30,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:30,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:30,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:30,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:09:30,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:30,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:09:30,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:30,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:30,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:09:30,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:30,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:09:30,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:30,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-29 12:09:30,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:30,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:30,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:30,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:30,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:30,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:30,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:30,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:30,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:09:30,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 12:09:30,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 758 [2020-10-29 12:09:30,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:30,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:30,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:09:30,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:09:30,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-29 12:09:30,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:30,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:30,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:30,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:30,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:30,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:09:30,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:30,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:09:30,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:30,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:30,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:09:30,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:30,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:09:30,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:31,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:31,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:31,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:31,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:31,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:09:31,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:31,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:09:31,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:31,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:31,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:31,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:31,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:31,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:31,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:09:31,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:31,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:31,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:31,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:09:31,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:31,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:09:31,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:31,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:31,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:31,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:31,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:31,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:31,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:09:31,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:31,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:31,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:31,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:31,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:09:31,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:09:31,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:09:31,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:31,019 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:31,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:09:31,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:31,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:09:31,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:31,086 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 83 proven. 67 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2020-10-29 12:09:31,086 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1898686413] [2020-10-29 12:09:31,087 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:09:31,087 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-29 12:09:31,087 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074554979] [2020-10-29 12:09:31,087 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-29 12:09:31,087 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:09:31,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-29 12:09:31,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2020-10-29 12:09:31,088 INFO L87 Difference]: Start difference. First operand 84 states and 117 transitions. Second operand 17 states. [2020-10-29 12:09:32,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:09:32,879 INFO L93 Difference]: Finished difference Result 183 states and 300 transitions. [2020-10-29 12:09:32,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-29 12:09:32,879 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 110 [2020-10-29 12:09:32,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:09:32,881 INFO L225 Difference]: With dead ends: 183 [2020-10-29 12:09:32,882 INFO L226 Difference]: Without dead ends: 90 [2020-10-29 12:09:32,884 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=193, Invalid=997, Unknown=0, NotChecked=0, Total=1190 [2020-10-29 12:09:32,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2020-10-29 12:09:32,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 72. [2020-10-29 12:09:32,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-10-29 12:09:32,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 92 transitions. [2020-10-29 12:09:32,895 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 92 transitions. Word has length 110 [2020-10-29 12:09:32,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:09:32,896 INFO L481 AbstractCegarLoop]: Abstraction has 72 states and 92 transitions. [2020-10-29 12:09:32,896 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-29 12:09:32,896 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 92 transitions. [2020-10-29 12:09:32,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-10-29 12:09:32,898 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:09:32,898 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, 1, 1] [2020-10-29 12:09:32,898 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-29 12:09:32,898 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:09:32,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:09:32,899 INFO L82 PathProgramCache]: Analyzing trace with hash -1488981652, now seen corresponding path program 2 times [2020-10-29 12:09:32,899 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:09:32,899 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1833329074] [2020-10-29 12:09:32,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:09:32,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:32,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:32,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:32,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:33,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:33,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:33,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:34,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:37,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:37,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 202 [2020-10-29 12:09:37,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-29 12:09:37,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-29 12:09:37,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:37,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:37,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-29 12:09:37,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:09:37,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-29 12:09:37,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:37,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:09:37,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:37,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:37,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:37,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:09:37,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:37,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:09:37,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:37,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:37,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:37,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:37,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:37,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:37,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:09:37,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:38,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:38,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:38,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:38,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:38,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:38,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:38,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:38,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:38,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:38,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:39,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:39,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:42,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:42,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:42,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:42,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:42,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:43,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:43,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-10-29 12:09:43,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-29 12:09:43,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-29 12:09:43,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:43,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:43,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-29 12:09:43,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:09:43,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 183 [2020-10-29 12:09:43,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:43,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:43,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:43,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:43,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:43,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:43,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:43,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:43,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:43,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:43,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:43,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:43,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:43,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:43,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:43,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:43,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:43,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:43,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:45,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:45,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:45,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:45,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:45,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:45,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:45,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:45,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:45,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:45,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:45,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:45,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:48,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:48,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-29 12:09:48,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 28 [2020-10-29 12:09:48,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-29 12:09:48,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:48,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:48,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 12:09:48,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:09:48,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-29 12:09:48,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:48,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:48,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:48,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:48,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:48,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:48,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:48,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:09:48,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:09:48,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 598 [2020-10-29 12:09:48,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:48,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:48,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:09:48,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:48,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 12:09:48,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:48,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:48,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:48,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:48,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:48,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:09:48,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:48,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:09:48,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:48,718 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:48,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:09:48,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:48,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:09:48,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:48,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:48,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:48,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:48,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:48,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:09:48,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:48,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:09:48,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:48,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:48,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:48,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:48,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:48,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:48,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:09:48,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:48,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:48,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:48,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:09:48,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:48,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:09:48,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:48,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:48,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:48,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:48,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:48,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:48,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:09:48,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:48,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:48,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:48,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:09:48,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:48,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:09:48,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:48,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:48,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:09:48,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:48,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:09:48,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:09:48,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 12:09:48,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:48,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:48,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:48,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:48,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:48,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:48,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:48,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:48,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:48,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:49,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:53,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:53,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 12:09:53,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-29 12:09:53,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-29 12:09:53,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:53,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:53,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:09:53,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:09:53,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-29 12:09:53,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:53,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:53,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:53,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:53,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:53,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:09:53,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:53,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 12:09:53,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:53,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:53,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:09:53,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:53,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-29 12:09:53,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:53,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:53,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:53,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:53,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:53,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:09:53,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:53,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:09:53,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:53,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:53,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:53,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:53,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:53,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:53,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:53,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:53,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:53,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:53,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:09:53,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:53,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:09:53,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:53,841 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:53,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:53,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:53,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:53,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:53,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:09:53,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:53,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:53,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:53,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:09:53,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:53,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:09:53,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:53,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:53,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:53,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:53,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:53,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:53,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:09:53,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:53,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:53,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:53,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:09:53,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:53,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:09:53,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:53,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:53,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:53,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:53,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:53,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:53,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 12:09:53,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:53,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:53,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:53,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:53,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:53,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:09:53,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:09:53,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-29 12:09:53,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:53,937 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:53,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:09:53,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:53,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:09:53,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:53,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:53,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:53,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:53,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:53,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:09:53,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:53,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:09:53,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:53,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:53,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:09:53,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:53,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:09:53,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:53,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:09:53,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:53,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:53,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:53,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:09:53,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:53,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:09:53,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:53,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:53,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:09:53,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:53,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:09:53,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:53,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-29 12:09:53,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:53,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:54,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:54,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:09:54,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:54,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 12:09:54,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:54,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:54,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:09:54,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:54,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-29 12:09:54,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:54,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:54,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:54,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:54,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:54,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:09:54,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:54,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:09:54,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:54,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:54,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:54,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:54,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:54,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:54,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:54,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:54,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:54,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:54,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:09:54,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:54,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:09:54,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:54,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:54,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:54,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:54,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:54,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:54,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:09:54,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:54,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:54,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:54,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:09:54,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:54,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:09:54,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:54,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:54,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:54,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:54,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:54,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:09:54,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:09:54,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:54,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:54,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:54,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:09:54,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:54,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:09:54,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:54,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:54,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:54,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:54,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:54,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:54,084 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 91 proven. 138 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2020-10-29 12:09:54,085 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1833329074] [2020-10-29 12:09:54,085 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:09:54,085 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-29 12:09:54,085 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921797408] [2020-10-29 12:09:54,086 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-29 12:09:54,086 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:09:54,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-29 12:09:54,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-10-29 12:09:54,087 INFO L87 Difference]: Start difference. First operand 72 states and 92 transitions. Second operand 12 states. [2020-10-29 12:09:55,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:09:55,340 INFO L93 Difference]: Finished difference Result 194 states and 324 transitions. [2020-10-29 12:09:55,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-29 12:09:55,341 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 152 [2020-10-29 12:09:55,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:09:55,346 INFO L225 Difference]: With dead ends: 194 [2020-10-29 12:09:55,347 INFO L226 Difference]: Without dead ends: 117 [2020-10-29 12:09:55,349 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=129, Invalid=573, Unknown=0, NotChecked=0, Total=702 [2020-10-29 12:09:55,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2020-10-29 12:09:55,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 96. [2020-10-29 12:09:55,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-10-29 12:09:55,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 137 transitions. [2020-10-29 12:09:55,370 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 137 transitions. Word has length 152 [2020-10-29 12:09:55,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:09:55,372 INFO L481 AbstractCegarLoop]: Abstraction has 96 states and 137 transitions. [2020-10-29 12:09:55,372 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-29 12:09:55,372 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 137 transitions. [2020-10-29 12:09:55,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-10-29 12:09:55,374 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:09:55,375 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 8, 8, 8, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:09:55,375 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-29 12:09:55,375 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:09:55,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:09:55,375 INFO L82 PathProgramCache]: Analyzing trace with hash -1286479890, now seen corresponding path program 3 times [2020-10-29 12:09:55,376 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:09:55,376 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1751672310] [2020-10-29 12:09:55,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:09:55,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:55,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:55,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:55,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:55,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:55,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:55,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:55,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:55,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:55,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:55,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:55,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:55,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:56,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:58,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:58,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:58,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:58,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:59,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:00,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:00,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-29 12:10:00,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-29 12:10:00,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-29 12:10:00,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:00,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:00,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 12:10:00,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-29 12:10:00,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-29 12:10:00,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:00,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:10:00,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:00,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:00,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:00,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:10:00,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:00,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:10:00,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:00,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:00,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:10:00,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:00,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:10:00,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:00,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:10:00,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:00,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:00,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:00,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:00,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:00,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:00,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:00,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:00,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:00,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:01,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:01,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:01,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:01,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:01,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:02,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:02,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:02,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:02,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:03,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:03,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:03,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:03,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:03,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:03,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:04,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:04,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:04,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:04,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:04,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:05,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:05,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:05,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:05,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:05,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-29 12:10:05,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 32 [2020-10-29 12:10:05,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-29 12:10:05,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:05,485 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:05,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-29 12:10:05,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:10:05,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-29 12:10:05,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:05,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:10:05,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:05,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:05,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:05,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:05,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:05,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:05,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:05,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:05,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:05,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:05,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:05,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:06,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:06,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:06,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:06,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:06,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:10,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:10,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-29 12:10:10,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-29 12:10:10,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-29 12:10:10,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:10,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:10,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-29 12:10:10,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:10:10,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-29 12:10:10,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:10,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:10:10,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:10,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:10,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:10,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:10,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:10,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:10,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:10,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:10,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:10,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:11,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:11,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:11,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:11,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:11,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:15,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:15,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-29 12:10:15,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-29 12:10:15,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 12:10:15,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:15,532 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:15,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:10:15,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:15,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-29 12:10:15,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:15,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:10:15,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:15,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:15,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:15,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:15,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:15,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:10:15,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:10:15,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-10-29 12:10:15,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:15,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:15,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:10:15,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:15,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:10:15,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:15,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:10:15,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:15,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:15,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:15,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:10:15,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:15,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:10:15,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:15,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:15,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:10:15,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:15,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:10:15,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:15,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:10:15,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:15,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:15,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:15,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:10:15,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:15,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:10:15,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:15,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:15,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:10:15,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:15,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:10:15,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:15,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:10:15,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:15,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:15,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:15,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:10:15,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:15,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:10:15,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:15,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:15,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:10:15,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:15,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:10:15,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:15,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:10:15,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:15,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:15,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:15,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:10:15,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:15,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:10:15,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:15,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:15,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:10:15,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:15,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:10:15,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:15,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:10:15,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:15,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:15,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:15,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:10:15,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:15,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:10:15,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:15,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:15,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:10:15,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:15,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:10:15,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:15,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-29 12:10:15,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:15,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:15,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:15,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:15,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:15,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:16,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:16,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:16,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:16,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-29 12:10:16,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-29 12:10:16,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 447 [2020-10-29 12:10:16,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:16,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:16,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:10:16,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:10:16,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-29 12:10:16,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:16,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:10:16,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:16,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:16,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:16,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:16,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:16,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:10:16,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:10:16,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-29 12:10:16,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:16,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:16,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:10:16,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:16,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:10:16,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:16,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:10:16,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:16,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:16,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:16,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:10:16,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:16,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:10:16,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:16,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:16,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:10:16,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:16,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:10:16,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:16,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:10:16,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:16,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:16,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:16,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:10:16,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:16,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:10:16,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:16,361 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:16,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:10:16,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:16,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:10:16,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:16,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:10:16,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:16,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:16,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:16,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:10:16,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:16,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:10:16,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:16,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:16,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:10:16,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:16,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:10:16,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:16,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-29 12:10:16,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:16,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:16,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:16,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:16,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:16,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:16,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:17,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:17,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:10:17,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 12:10:17,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1082 [2020-10-29 12:10:17,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:17,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:17,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:10:17,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:10:17,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-29 12:10:17,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:17,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:10:17,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:17,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:17,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:17,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:10:17,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:17,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:10:17,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:17,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:17,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:10:17,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:17,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:10:17,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:17,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:10:17,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:17,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:17,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:17,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:10:17,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:17,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:10:17,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:17,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:17,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:10:17,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:17,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:10:17,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:17,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:10:17,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:17,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:17,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:17,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:10:17,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:17,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:10:17,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:17,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:17,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:10:17,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:17,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:10:17,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:17,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:10:17,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:17,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:17,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:17,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:10:17,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:17,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:10:17,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:17,521 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:17,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:10:17,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:17,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:10:17,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:17,568 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 126 proven. 128 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2020-10-29 12:10:17,569 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1751672310] [2020-10-29 12:10:17,569 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:10:17,569 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-29 12:10:17,569 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398969784] [2020-10-29 12:10:17,569 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-29 12:10:17,570 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:10:17,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-29 12:10:17,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2020-10-29 12:10:17,571 INFO L87 Difference]: Start difference. First operand 96 states and 137 transitions. Second operand 14 states. [2020-10-29 12:10:18,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:10:18,794 INFO L93 Difference]: Finished difference Result 200 states and 318 transitions. [2020-10-29 12:10:18,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-29 12:10:18,795 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 137 [2020-10-29 12:10:18,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:10:18,802 INFO L225 Difference]: With dead ends: 200 [2020-10-29 12:10:18,802 INFO L226 Difference]: Without dead ends: 112 [2020-10-29 12:10:18,805 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 40 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=115, Invalid=485, Unknown=0, NotChecked=0, Total=600 [2020-10-29 12:10:18,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2020-10-29 12:10:18,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 103. [2020-10-29 12:10:18,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-10-29 12:10:18,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 141 transitions. [2020-10-29 12:10:18,830 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 141 transitions. Word has length 137 [2020-10-29 12:10:18,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:10:18,830 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 141 transitions. [2020-10-29 12:10:18,830 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-29 12:10:18,831 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 141 transitions. [2020-10-29 12:10:18,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2020-10-29 12:10:18,836 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:10:18,836 INFO L422 BasicCegarLoop]: trace histogram [24, 24, 21, 21, 19, 17, 12, 12, 12, 12, 12, 12, 12, 10, 10, 10, 10, 10, 10, 10, 9, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:10:18,836 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-29 12:10:18,836 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:10:18,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:10:18,837 INFO L82 PathProgramCache]: Analyzing trace with hash -1377014941, now seen corresponding path program 4 times [2020-10-29 12:10:18,837 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:10:18,844 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [731508888] [2020-10-29 12:10:18,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:10:18,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:18,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:19,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:19,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:19,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:19,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:19,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:19,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:19,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:19,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:21,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:22,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:22,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:23,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:23,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 413 [2020-10-29 12:10:23,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-29 12:10:23,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-29 12:10:23,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:23,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:23,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 12:10:23,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:10:23,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 183 [2020-10-29 12:10:23,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:23,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:10:23,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:23,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:23,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:23,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:10:23,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:23,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:10:23,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:23,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:23,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:10:23,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:23,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:10:23,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:23,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:10:24,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:24,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:24,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:24,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:24,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:24,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:24,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:24,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:24,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:24,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:26,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:26,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:26,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:27,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:27,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:29,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:29,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 397 [2020-10-29 12:10:29,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-29 12:10:29,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-29 12:10:29,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:29,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:29,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-29 12:10:29,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:10:29,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 394 [2020-10-29 12:10:29,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:29,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:10:29,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:29,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:29,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:29,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:29,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:29,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:29,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:29,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:29,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:29,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:29,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:29,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:29,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:29,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:29,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:29,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:29,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:29,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:29,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:29,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:29,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:29,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:29,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:29,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:29,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:30,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:30,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:30,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:30,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:30,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:30,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:30,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:30,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:30,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:30,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:30,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:30,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:30,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:30,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:30,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:31,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:34,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:34,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-10-29 12:10:34,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 40 [2020-10-29 12:10:34,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-29 12:10:34,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:34,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:34,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 12:10:34,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:34,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 184 [2020-10-29 12:10:34,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:34,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:10:34,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:34,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:34,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:34,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:34,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:34,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:39,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:39,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 12:10:39,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 12:10:39,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-29 12:10:39,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:39,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:39,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 12:10:39,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:39,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-29 12:10:39,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:39,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:10:39,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:39,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:39,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:39,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:39,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:39,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:10:39,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:10:39,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 349 [2020-10-29 12:10:39,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:39,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:39,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:10:39,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:39,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 12:10:39,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:39,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:10:39,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:39,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:39,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:39,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:10:39,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:39,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:10:39,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:39,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:39,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:10:39,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:39,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:10:39,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:39,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:10:39,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:39,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:39,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:39,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:10:39,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:39,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:10:39,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:39,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:39,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:10:39,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:39,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:10:39,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:39,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:10:39,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:39,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:39,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:39,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:10:39,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:39,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:10:39,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:39,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:39,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:10:39,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:39,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:10:39,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:39,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:10:39,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:39,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:39,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:39,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:10:39,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:39,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:10:39,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:39,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:39,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:10:39,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:39,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:10:39,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:39,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 12:10:39,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:39,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:39,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:39,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:10:39,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:39,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:10:39,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:39,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:39,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:10:39,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:39,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:10:39,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:39,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:10:39,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:39,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:39,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:39,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:10:39,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:39,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:10:39,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:39,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:39,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:10:39,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:39,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:10:39,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:39,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:10:39,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:39,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:39,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:39,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:10:39,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:39,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:10:39,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:39,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:39,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:10:39,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:39,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:10:39,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:39,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-29 12:10:39,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:39,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:39,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:39,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:39,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:39,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:39,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:39,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:39,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:39,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:39,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:44,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:44,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-29 12:10:44,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-29 12:10:44,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-29 12:10:44,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:44,601 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:44,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:10:44,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:44,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-29 12:10:44,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:44,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:10:44,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:44,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:44,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:44,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 12:10:44,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:44,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:10:44,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:44,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:44,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:10:44,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:44,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:10:44,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:44,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:10:44,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:44,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:44,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:44,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:10:44,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:44,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:10:44,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:44,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:44,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:10:44,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:44,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:10:44,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:44,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:10:44,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:44,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:44,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:44,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:10:44,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:44,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:10:44,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:44,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:44,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:10:44,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:44,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:10:44,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:44,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:10:44,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:44,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:44,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:44,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:10:44,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:44,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:10:44,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:44,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:44,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:10:44,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:44,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:10:44,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:44,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:10:44,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:44,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:44,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:44,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:10:44,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:44,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:10:44,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:44,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:44,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:10:44,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:44,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:10:44,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:44,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:10:44,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:44,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:44,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:44,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:10:44,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:44,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:10:44,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:44,642 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:44,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:10:44,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:44,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:10:44,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:44,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 12:10:44,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:44,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:44,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:44,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:10:44,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:44,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:10:44,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:44,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:44,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:10:44,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:44,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:10:44,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:44,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:10:44,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:44,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:44,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:44,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:10:44,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:44,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:10:44,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:44,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:44,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:10:44,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:44,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:10:44,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:44,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:10:44,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:44,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:44,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:44,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:10:44,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:44,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:10:44,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:44,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:44,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:10:44,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:44,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:10:44,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:44,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-29 12:10:44,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:44,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:44,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:44,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:10:44,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:44,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:10:44,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:44,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:44,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:10:44,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:44,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:10:44,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:44,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-29 12:10:44,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:44,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:44,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:44,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:44,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:44,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:44,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:44,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:44,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:44,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:44,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:44,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:46,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:46,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:47,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:47,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:47,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:49,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:49,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 203 [2020-10-29 12:10:49,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-29 12:10:49,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-29 12:10:49,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:49,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:49,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:10:49,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:49,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 200 [2020-10-29 12:10:49,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:49,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:10:49,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:49,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:49,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:49,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:49,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:49,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:49,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:49,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:49,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:49,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:49,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:54,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:54,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-29 12:10:54,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-29 12:10:54,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 12:10:54,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:54,716 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:54,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:10:54,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:10:54,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-29 12:10:54,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:54,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:10:54,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:54,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:54,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:54,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:54,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:54,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:54,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:54,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:54,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:55,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:55,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:59,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:59,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 12:10:59,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-29 12:10:59,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-29 12:10:59,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:59,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:59,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:10:59,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:59,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-29 12:10:59,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:59,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:10:59,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:59,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:59,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:59,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:10:59,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:59,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 12:10:59,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:59,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:59,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:10:59,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:59,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-29 12:10:59,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:59,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:10:59,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:59,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:59,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:59,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:10:59,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:59,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:10:59,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:59,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:59,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:10:59,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:59,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:10:59,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:59,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:10:59,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:59,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:59,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:59,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:10:59,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:59,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:10:59,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:59,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:59,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:10:59,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:59,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:10:59,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:59,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:10:59,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:59,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:59,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:59,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:10:59,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:59,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:10:59,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:59,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:59,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:10:59,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:59,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:10:59,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:59,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:10:59,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:59,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:59,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:59,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:10:59,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:59,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:10:59,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:59,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:59,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:10:59,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:59,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:10:59,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:59,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 12:10:59,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:59,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:59,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:59,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:59,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:59,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:10:59,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:10:59,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-29 12:10:59,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:59,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:59,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:10:59,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:59,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:10:59,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:59,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:10:59,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:59,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:59,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:59,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:10:59,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:59,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:10:59,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:59,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:59,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:10:59,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:59,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:10:59,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:59,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:10:59,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:59,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:59,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:59,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:10:59,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:59,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:10:59,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:59,911 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:59,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:10:59,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:59,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:10:59,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:59,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-29 12:10:59,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:59,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:59,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:59,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:10:59,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:59,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:10:59,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:59,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:59,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:10:59,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:10:59,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:10:59,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:59,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-29 12:10:59,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:59,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:59,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:59,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:00,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:00,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:00,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:00,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:00,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:00,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:00,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:01,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:01,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:04,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:11:04,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-29 12:11:04,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-29 12:11:04,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-29 12:11:04,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:11:04,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:11:04,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:11:04,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:11:04,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-29 12:11:04,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:11:05,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:11:05,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:11:05,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:05,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:05,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:05,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:05,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:05,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:05,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:05,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:05,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:05,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:10,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:11:10,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 12:11:10,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-29 12:11:10,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-29 12:11:10,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:11:10,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:11:10,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:11:10,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:11:10,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-29 12:11:10,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:11:10,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:11:10,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:11:10,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:10,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:11:10,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:11:10,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:11:10,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 12:11:10,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:11:10,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:11:10,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:11:10,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:11:10,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-29 12:11:10,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:11:10,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:11:10,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:11:10,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:10,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:11:10,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:11:10,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:11:10,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:11:10,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:11:10,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:11:10,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:11:10,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:11:10,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:11:10,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:11:10,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:11:10,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:11:10,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:10,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:11:10,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:11:10,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:11:10,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:11:10,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:11:10,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:11:10,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:11:10,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:11:10,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:11:10,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:11:10,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:11:10,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:11:10,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:10,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:11:10,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:11:10,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:11:10,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:11:10,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:11:10,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:11:10,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:11:10,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:11:10,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:11:10,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:11:10,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:11:10,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:11:10,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:10,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:11:10,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:11:10,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:11:10,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:11:10,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:11:10,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:11:10,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:11:10,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:11:10,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:11:10,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:11:10,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 12:11:10,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:11:10,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:10,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:11:10,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:11:10,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:11:10,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:11:10,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:11:10,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:11:10,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:11:10,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:11:10,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:11:10,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:11:10,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:11:10,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:11:10,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:10,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:11:10,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:11:10,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:11:10,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:11:10,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:11:10,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:11:10,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:11:10,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:11:10,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:11:10,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:11:10,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:11:10,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:11:10,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:10,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:11:10,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:11:10,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:11:10,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:11:10,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:11:10,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:11:10,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:11:10,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:11:10,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:11:10,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:11:10,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-29 12:11:10,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:11:10,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:10,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:11:10,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:11:10,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:11:10,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:11:10,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:11:10,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:11:10,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:11:10,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:11:10,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:11:10,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:11:10,390 INFO L134 CoverageAnalysis]: Checked inductivity of 2695 backedges. 521 proven. 543 refuted. 0 times theorem prover too weak. 1631 trivial. 0 not checked. [2020-10-29 12:11:10,391 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [731508888] [2020-10-29 12:11:10,391 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:11:10,391 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-29 12:11:10,392 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505643744] [2020-10-29 12:11:10,393 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-29 12:11:10,393 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:11:10,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-29 12:11:10,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=446, Unknown=0, NotChecked=0, Total=506 [2020-10-29 12:11:10,394 INFO L87 Difference]: Start difference. First operand 103 states and 141 transitions. Second operand 23 states. [2020-10-29 12:11:13,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:11:13,328 INFO L93 Difference]: Finished difference Result 224 states and 376 transitions. [2020-10-29 12:11:13,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-29 12:11:13,329 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 315 [2020-10-29 12:11:13,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:11:13,334 INFO L225 Difference]: With dead ends: 224 [2020-10-29 12:11:13,334 INFO L226 Difference]: Without dead ends: 128 [2020-10-29 12:11:13,338 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 602 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=396, Invalid=2360, Unknown=0, NotChecked=0, Total=2756 [2020-10-29 12:11:13,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2020-10-29 12:11:13,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 113. [2020-10-29 12:11:13,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-10-29 12:11:13,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 154 transitions. [2020-10-29 12:11:13,355 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 154 transitions. Word has length 315 [2020-10-29 12:11:13,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:11:13,356 INFO L481 AbstractCegarLoop]: Abstraction has 113 states and 154 transitions. [2020-10-29 12:11:13,356 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-29 12:11:13,356 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 154 transitions. [2020-10-29 12:11:13,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-10-29 12:11:13,359 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:11:13,359 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 11, 10, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:11:13,360 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-29 12:11:13,360 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:11:13,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:11:13,360 INFO L82 PathProgramCache]: Analyzing trace with hash 865645865, now seen corresponding path program 5 times [2020-10-29 12:11:13,360 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:11:13,361 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1201934447] [2020-10-29 12:11:13,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:11:13,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:11:13,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:13,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:13,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:13,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:13,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:13,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:13,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:13,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:13,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:13,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:13,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:14,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:14,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:14,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:18,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:11:18,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-10-29 12:11:18,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-29 12:11:18,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-29 12:11:18,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:11:18,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:11:18,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-29 12:11:18,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-29 12:11:18,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-29 12:11:18,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:11:18,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:11:18,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:11:18,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:18,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:11:18,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:11:18,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:11:18,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:11:18,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:11:18,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:11:18,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:11:18,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:11:18,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:11:18,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:11:18,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:11:18,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:11:18,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:18,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:18,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:18,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:18,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:18,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:18,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:18,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:19,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:22,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:22,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:22,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:22,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:22,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:22,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:22,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:23,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:11:23,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 238 [2020-10-29 12:11:23,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-29 12:11:23,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-29 12:11:23,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:11:23,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:11:23,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 12:11:23,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 12:11:23,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-29 12:11:23,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:11:23,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:11:23,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:11:23,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:23,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:23,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:23,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:23,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:23,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:23,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:23,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:25,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:25,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:28,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:11:28,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-29 12:11:28,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-29 12:11:28,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-29 12:11:28,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:11:28,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:11:28,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-29 12:11:28,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:11:28,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-29 12:11:28,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:11:28,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:11:28,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:11:28,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:28,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:28,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:28,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:28,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:28,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:28,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:28,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:28,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:29,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:29,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:29,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking...