/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=DEEPEST --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_15-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 22:30:22,258 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 22:30:22,263 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 22:30:22,322 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 22:30:22,322 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 22:30:22,329 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 22:30:22,332 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 22:30:22,336 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 22:30:22,340 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 22:30:22,346 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 22:30:22,347 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 22:30:22,349 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 22:30:22,349 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 22:30:22,353 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 22:30:22,355 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 22:30:22,357 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 22:30:22,358 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 22:30:22,362 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 22:30:22,370 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 22:30:22,378 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 22:30:22,380 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 22:30:22,381 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 22:30:22,383 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 22:30:22,385 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 22:30:22,394 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 22:30:22,394 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 22:30:22,395 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 22:30:22,397 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 22:30:22,397 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 22:30:22,398 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 22:30:22,399 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 22:30:22,399 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 22:30:22,401 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 22:30:22,402 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 22:30:22,403 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 22:30:22,404 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 22:30:22,404 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 22:30:22,405 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 22:30:22,405 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 22:30:22,407 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 22:30:22,407 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 22:30:22,415 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 [2020-10-27 22:30:22,477 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 22:30:22,478 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 22:30:22,482 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 22:30:22,483 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 22:30:22,483 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 22:30:22,483 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 22:30:22,483 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 22:30:22,484 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 22:30:22,484 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 22:30:22,484 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 22:30:22,485 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 22:30:22,485 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 22:30:22,486 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 22:30:22,486 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 22:30:22,486 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 22:30:22,486 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 22:30:22,486 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 22:30:22,487 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 22:30:22,487 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 22:30:22,487 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 22:30:22,487 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 22:30:22,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 22:30:22,488 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 22:30:22,488 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 22:30:22,488 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 22:30:22,488 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 22:30:22,488 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 22:30:22,489 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 22:30:22,489 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 22:30:22,489 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 22:30:22,931 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 22:30:22,962 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 22:30:22,965 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 22:30:22,967 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 22:30:22,967 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 22:30:22,969 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_15-1.c [2020-10-27 22:30:23,045 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7a7dd9aa5/026a401d6bb14bffbb21da6b36f1f290/FLAG69cd4a861 [2020-10-27 22:30:23,597 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 22:30:23,598 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_15-1.c [2020-10-27 22:30:23,606 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7a7dd9aa5/026a401d6bb14bffbb21da6b36f1f290/FLAG69cd4a861 [2020-10-27 22:30:23,984 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7a7dd9aa5/026a401d6bb14bffbb21da6b36f1f290 [2020-10-27 22:30:23,991 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 22:30:24,000 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 22:30:24,006 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 22:30:24,006 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 22:30:24,011 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 22:30:24,012 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 10:30:23" (1/1) ... [2020-10-27 22:30:24,018 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cbd1600 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:30:24, skipping insertion in model container [2020-10-27 22:30:24,018 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 10:30:23" (1/1) ... [2020-10-27 22:30:24,028 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 22:30:24,045 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 22:30:24,238 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 22:30:24,250 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 22:30:24,268 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 22:30:24,285 INFO L208 MainTranslator]: Completed translation [2020-10-27 22:30:24,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:30:24 WrapperNode [2020-10-27 22:30:24,286 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 22:30:24,287 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 22:30:24,287 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 22:30:24,287 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 22:30:24,301 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:30:24" (1/1) ... [2020-10-27 22:30:24,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:30:24" (1/1) ... [2020-10-27 22:30:24,309 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:30:24" (1/1) ... [2020-10-27 22:30:24,309 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:30:24" (1/1) ... [2020-10-27 22:30:24,315 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:30:24" (1/1) ... [2020-10-27 22:30:24,317 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:30:24" (1/1) ... [2020-10-27 22:30:24,318 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:30:24" (1/1) ... [2020-10-27 22:30:24,320 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 22:30:24,322 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 22:30:24,322 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 22:30:24,322 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 22:30:24,323 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:30:24" (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 [2020-10-27 22:30:24,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 22:30:24,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 22:30:24,409 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 22:30:24,409 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo [2020-10-27 22:30:24,410 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 22:30:24,410 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 22:30:24,410 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 22:30:24,410 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 22:30:24,410 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 22:30:24,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 22:30:24,411 INFO L130 BoogieDeclarations]: Found specification of procedure fibo [2020-10-27 22:30:24,411 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 22:30:24,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 22:30:24,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 22:30:24,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 22:30:24,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 22:30:24,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 22:30:24,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 22:30:24,660 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 22:30:24,660 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-27 22:30:24,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:30:24 BoogieIcfgContainer [2020-10-27 22:30:24,662 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 22:30:24,664 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 22:30:24,665 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 22:30:24,669 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 22:30:24,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 10:30:23" (1/3) ... [2020-10-27 22:30:24,670 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4145e5bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:30:24, skipping insertion in model container [2020-10-27 22:30:24,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:30:24" (2/3) ... [2020-10-27 22:30:24,671 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4145e5bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:30:24, skipping insertion in model container [2020-10-27 22:30:24,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:30:24" (3/3) ... [2020-10-27 22:30:24,673 INFO L111 eAbstractionObserver]: Analyzing ICFG fibo_15-1.c [2020-10-27 22:30:24,688 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 22:30:24,694 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 22:30:24,712 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 22:30:24,746 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 22:30:24,746 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 22:30:24,747 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 22:30:24,747 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 22:30:24,747 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 22:30:24,747 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 22:30:24,747 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 22:30:24,747 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 22:30:24,818 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2020-10-27 22:30:24,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-27 22:30:24,849 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:30:24,850 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:30:24,851 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:30:24,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:30:24,857 INFO L82 PathProgramCache]: Analyzing trace with hash 1708859500, now seen corresponding path program 1 times [2020-10-27 22:30:24,872 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:30:24,875 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [382448917] [2020-10-27 22:30:24,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:30:25,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:25,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:25,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:25,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 22:30:25,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:25,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 328 [2020-10-27 22:30:25,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:25,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:30:25,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 22:30:25,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:30:25,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-27 22:30:25,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:30:25,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:25,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:25,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:25,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:30:25,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:25,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 22:30:25,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:25,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:30:25,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:25,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:30:25,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:30:25,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:30:25,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:25,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:25,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:25,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:30:25,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:25,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 22:30:25,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:25,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:30:25,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:30:25,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:30:25,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:25,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 22:30:25,634 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [382448917] [2020-10-27 22:30:25,636 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:30:25,636 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 22:30:25,637 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788924329] [2020-10-27 22:30:25,642 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 22:30:25,643 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:30:25,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 22:30:25,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-27 22:30:25,662 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 6 states. [2020-10-27 22:30:26,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:30:26,126 INFO L93 Difference]: Finished difference Result 41 states and 48 transitions. [2020-10-27 22:30:26,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 22:30:26,129 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-10-27 22:30:26,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:30:26,141 INFO L225 Difference]: With dead ends: 41 [2020-10-27 22:30:26,142 INFO L226 Difference]: Without dead ends: 23 [2020-10-27 22:30:26,147 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-27 22:30:26,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-10-27 22:30:26,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2020-10-27 22:30:26,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-10-27 22:30:26,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2020-10-27 22:30:26,234 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 15 [2020-10-27 22:30:26,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:30:26,235 INFO L481 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2020-10-27 22:30:26,235 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 22:30:26,235 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2020-10-27 22:30:26,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-27 22:30:26,237 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:30:26,237 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:30:26,237 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 22:30:26,238 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:30:26,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:30:26,239 INFO L82 PathProgramCache]: Analyzing trace with hash 2119969838, now seen corresponding path program 1 times [2020-10-27 22:30:26,239 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:30:26,239 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1719535716] [2020-10-27 22:30:26,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:30:26,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:26,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:26,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:26,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 22:30:26,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:26,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-27 22:30:26,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:26,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:30:26,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 22:30:26,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:30:26,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:26,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:30:26,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:26,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:26,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:26,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:30:26,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:26,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 22:30:26,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:26,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:30:26,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:26,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:30:26,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:26,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:30:26,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:26,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:26,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:26,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:30:26,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:26,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 22:30:26,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:26,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:30:26,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:30:26,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:30:26,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:26,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 22:30:26,500 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1719535716] [2020-10-27 22:30:26,500 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:30:26,500 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 22:30:26,500 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578659221] [2020-10-27 22:30:26,502 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 22:30:26,502 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:30:26,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 22:30:26,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-27 22:30:26,504 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand 6 states. [2020-10-27 22:30:26,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:30:26,864 INFO L93 Difference]: Finished difference Result 30 states and 35 transitions. [2020-10-27 22:30:26,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 22:30:26,865 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2020-10-27 22:30:26,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:30:26,867 INFO L225 Difference]: With dead ends: 30 [2020-10-27 22:30:26,867 INFO L226 Difference]: Without dead ends: 25 [2020-10-27 22:30:26,868 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 [2020-10-27 22:30:26,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2020-10-27 22:30:26,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 23. [2020-10-27 22:30:26,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-10-27 22:30:26,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2020-10-27 22:30:26,879 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 16 [2020-10-27 22:30:26,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:30:26,879 INFO L481 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2020-10-27 22:30:26,879 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 22:30:26,879 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2020-10-27 22:30:26,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-27 22:30:26,881 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:30:26,881 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:30:26,882 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 22:30:26,882 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:30:26,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:30:26,883 INFO L82 PathProgramCache]: Analyzing trace with hash -308126725, now seen corresponding path program 1 times [2020-10-27 22:30:26,883 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:30:26,883 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1883313449] [2020-10-27 22:30:26,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:30:26,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:26,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:26,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:27,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:27,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:27,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 22:30:27,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:30:27,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 841 [2020-10-27 22:30:27,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:27,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:30:27,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 22:30:27,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:30:27,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:30:27,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:30:27,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:27,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:27,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:27,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:30:27,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:27,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 22:30:27,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:27,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:30:27,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:27,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:30:27,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:27,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:30:27,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:27,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:27,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:27,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 22:30:27,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:27,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 22:30:27,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:27,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:30:27,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 22:30:27,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:30:27,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:30:27,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:30:27,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:27,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:27,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:27,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:30:27,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:27,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:30:27,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:27,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:30:27,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:30:27,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:30:27,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:27,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:30:27,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:27,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:27,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:27,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:30:27,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:27,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:30:27,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:27,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:30:27,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:30:27,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:30:27,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:27,984 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-27 22:30:27,985 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1883313449] [2020-10-27 22:30:27,986 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:30:27,990 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 22:30:27,990 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917556216] [2020-10-27 22:30:27,991 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 22:30:27,991 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:30:27,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 22:30:27,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-27 22:30:27,996 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand 7 states. [2020-10-27 22:30:28,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:30:28,439 INFO L93 Difference]: Finished difference Result 41 states and 52 transitions. [2020-10-27 22:30:28,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 22:30:28,441 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2020-10-27 22:30:28,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:30:28,442 INFO L225 Difference]: With dead ends: 41 [2020-10-27 22:30:28,442 INFO L226 Difference]: Without dead ends: 25 [2020-10-27 22:30:28,443 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-27 22:30:28,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2020-10-27 22:30:28,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2020-10-27 22:30:28,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-10-27 22:30:28,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2020-10-27 22:30:28,453 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 28 [2020-10-27 22:30:28,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:30:28,454 INFO L481 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2020-10-27 22:30:28,454 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 22:30:28,454 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2020-10-27 22:30:28,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-27 22:30:28,455 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:30:28,456 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:30:28,456 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 22:30:28,456 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:30:28,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:30:28,457 INFO L82 PathProgramCache]: Analyzing trace with hash 1144313053, now seen corresponding path program 1 times [2020-10-27 22:30:28,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:30:28,457 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1835179280] [2020-10-27 22:30:28,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:30:28,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:28,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:28,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:28,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:28,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-27 22:30:28,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:30:28,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 363 [2020-10-27 22:30:28,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:28,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:30:28,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 22:30:28,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 22:30:28,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:28,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:30:28,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:28,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:28,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:28,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:30:28,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:28,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:30:28,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:28,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:30:28,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:28,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:30:28,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:28,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:30:28,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:28,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:28,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:29,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:29,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:30:29,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:30:29,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-10-27 22:30:29,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:29,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:30:29,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:30:29,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:30:29,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:29,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:30:29,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:29,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:29,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:29,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:30:29,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:29,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:30:29,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:29,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:30:29,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:29,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:30:29,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:29,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:30:29,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:29,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:29,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:29,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:30:29,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:29,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:30:29,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:29,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:30:29,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:29,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:30:29,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:29,121 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-27 22:30:29,122 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1835179280] [2020-10-27 22:30:29,122 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:30:29,122 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-27 22:30:29,122 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111907298] [2020-10-27 22:30:29,123 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 22:30:29,123 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:30:29,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 22:30:29,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-27 22:30:29,124 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand 8 states. [2020-10-27 22:30:29,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:30:29,394 INFO L93 Difference]: Finished difference Result 33 states and 38 transitions. [2020-10-27 22:30:29,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 22:30:29,395 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 29 [2020-10-27 22:30:29,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:30:29,396 INFO L225 Difference]: With dead ends: 33 [2020-10-27 22:30:29,396 INFO L226 Difference]: Without dead ends: 28 [2020-10-27 22:30:29,399 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-27 22:30:29,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2020-10-27 22:30:29,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 26. [2020-10-27 22:30:29,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2020-10-27 22:30:29,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 30 transitions. [2020-10-27 22:30:29,415 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 30 transitions. Word has length 29 [2020-10-27 22:30:29,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:30:29,417 INFO L481 AbstractCegarLoop]: Abstraction has 26 states and 30 transitions. [2020-10-27 22:30:29,417 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 22:30:29,417 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2020-10-27 22:30:29,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-27 22:30:29,419 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:30:29,419 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:30:29,419 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 22:30:29,420 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:30:29,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:30:29,423 INFO L82 PathProgramCache]: Analyzing trace with hash 977084561, now seen corresponding path program 1 times [2020-10-27 22:30:29,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:30:29,424 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1633775536] [2020-10-27 22:30:29,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:30:29,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:29,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:29,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:29,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:29,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:29,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:29,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 22:30:29,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 22:30:29,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 493 [2020-10-27 22:30:29,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:29,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:30:29,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 22:30:29,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 22:30:29,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:29,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:30:29,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:29,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:29,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:29,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:30:29,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:29,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:30:29,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:29,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:30:29,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:29,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:30:29,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:29,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:30:29,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:29,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:30,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:30,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:30,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 22:30:30,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:30:30,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-27 22:30:30,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:30,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:30:30,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:30:30,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 22:30:30,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:30,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:30:30,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:30,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:30,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:30,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:30:30,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:30,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 22:30:30,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:30,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:30:30,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:30,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:30:30,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:30,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:30:30,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:30,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:30,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:30,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:30,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:30:30,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:30:30,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 22:30:30,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:30,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:30:30,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:30:30,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:30:30,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:30:30,159 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-27 22:30:30,159 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1633775536] [2020-10-27 22:30:30,160 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:30:30,160 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-27 22:30:30,160 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509494927] [2020-10-27 22:30:30,161 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 22:30:30,161 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:30:30,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 22:30:30,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-27 22:30:30,168 INFO L87 Difference]: Start difference. First operand 26 states and 30 transitions. Second operand 8 states. [2020-10-27 22:30:30,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:30:30,542 INFO L93 Difference]: Finished difference Result 52 states and 73 transitions. [2020-10-27 22:30:30,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 22:30:30,542 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 30 [2020-10-27 22:30:30,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:30:30,544 INFO L225 Difference]: With dead ends: 52 [2020-10-27 22:30:30,544 INFO L226 Difference]: Without dead ends: 33 [2020-10-27 22:30:30,546 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2020-10-27 22:30:30,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-10-27 22:30:30,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 30. [2020-10-27 22:30:30,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-27 22:30:30,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 36 transitions. [2020-10-27 22:30:30,555 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 36 transitions. Word has length 30 [2020-10-27 22:30:30,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:30:30,555 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 36 transitions. [2020-10-27 22:30:30,556 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 22:30:30,556 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2020-10-27 22:30:30,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-10-27 22:30:30,557 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:30:30,560 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:30:30,560 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 22:30:30,560 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:30:30,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:30:30,561 INFO L82 PathProgramCache]: Analyzing trace with hash -53636892, now seen corresponding path program 2 times [2020-10-27 22:30:30,561 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:30:30,562 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1913038977] [2020-10-27 22:30:30,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:30:30,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:30,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:30,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:30,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:32,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:32,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-27 22:30:32,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:30:32,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1680 [2020-10-27 22:30:32,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:32,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:30:32,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 22:30:32,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-27 22:30:32,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:30:32,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:30:32,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:32,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:32,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:32,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:30:32,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:32,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:30:32,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:32,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:30:32,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:32,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:30:32,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:32,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:30:32,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:32,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:32,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:32,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:33,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:33,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:30:33,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:30:33,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 826 [2020-10-27 22:30:33,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:33,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:30:33,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:30:33,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:30:33,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:33,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:30:33,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:33,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:33,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:33,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:33,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:30:33,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:30:33,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-10-27 22:30:33,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:33,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:30:33,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:33,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:30:33,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:33,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:30:33,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:33,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:33,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:33,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:30:33,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:33,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 22:30:33,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:33,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:30:33,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:33,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:30:33,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:33,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:30:33,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:33,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:33,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:33,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:30:33,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:33,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:30:33,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:33,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:30:33,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:33,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:30:33,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:33,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:30:33,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:33,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:33,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:33,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:30:33,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:33,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:30:33,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:33,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:30:33,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:33,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:30:33,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:33,417 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 27 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-27 22:30:33,418 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1913038977] [2020-10-27 22:30:33,418 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:30:33,418 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-27 22:30:33,418 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629236840] [2020-10-27 22:30:33,419 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 22:30:33,419 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:30:33,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 22:30:33,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-27 22:30:33,420 INFO L87 Difference]: Start difference. First operand 30 states and 36 transitions. Second operand 10 states. [2020-10-27 22:30:33,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:30:33,906 INFO L93 Difference]: Finished difference Result 70 states and 102 transitions. [2020-10-27 22:30:33,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 22:30:33,909 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 43 [2020-10-27 22:30:33,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:30:33,912 INFO L225 Difference]: With dead ends: 70 [2020-10-27 22:30:33,912 INFO L226 Difference]: Without dead ends: 40 [2020-10-27 22:30:33,913 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2020-10-27 22:30:33,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-10-27 22:30:33,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 37. [2020-10-27 22:30:33,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-10-27 22:30:33,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 49 transitions. [2020-10-27 22:30:33,926 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 49 transitions. Word has length 43 [2020-10-27 22:30:33,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:30:33,926 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 49 transitions. [2020-10-27 22:30:33,926 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 22:30:33,926 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 49 transitions. [2020-10-27 22:30:33,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-10-27 22:30:33,929 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:30:33,929 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 7, 5, 5, 5, 5, 5, 5, 5, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:30:33,929 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 22:30:33,930 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:30:33,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:30:33,930 INFO L82 PathProgramCache]: Analyzing trace with hash -2065181743, now seen corresponding path program 3 times [2020-10-27 22:30:33,930 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:30:33,931 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [341283955] [2020-10-27 22:30:33,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:30:33,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:33,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:33,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:34,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:34,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:34,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:34,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:34,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:34,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:35,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:38,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:38,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-27 22:30:38,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 22:30:38,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-27 22:30:38,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:38,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:30:38,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 22:30:38,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 22:30:38,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:39,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:30:39,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:39,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:39,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:39,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:30:39,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:39,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:30:39,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:39,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:30:39,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:39,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:30:39,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 22:30:39,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:30:39,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:39,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:39,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:39,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:39,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:39,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:39,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:39,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:39,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:39,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:39,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:40,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:44,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:44,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-27 22:30:44,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-27 22:30:44,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-27 22:30:44,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:44,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:30:44,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 22:30:44,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 22:30:44,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:44,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:30:44,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:44,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:44,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:44,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:44,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:44,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:44,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 22:30:44,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 22:30:44,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 452 [2020-10-27 22:30:44,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:44,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:30:44,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:30:44,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 22:30:44,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:44,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:30:44,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:44,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:44,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:44,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:44,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:44,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:30:44,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:30:44,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-10-27 22:30:44,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:44,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:30:44,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:44,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:30:44,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:44,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:30:44,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:44,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:44,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:44,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:30:44,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:44,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:30:44,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:44,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:30:44,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:44,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:30:44,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:30:44,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:30:44,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:44,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:44,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:44,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:30:44,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:44,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:30:44,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:44,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:30:44,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:44,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:30:44,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:44,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:30:44,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:44,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:44,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:44,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:30:44,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:44,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 22:30:44,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:44,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:30:44,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:30:44,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:30:44,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:30:44,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 22:30:44,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:44,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:44,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:44,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:44,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:44,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:45,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:45,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 22:30:45,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:30:45,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 877 [2020-10-27 22:30:45,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:45,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:30:45,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-27 22:30:45,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:30:45,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:45,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:30:45,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:45,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:45,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:45,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:30:45,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:45,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:30:45,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:45,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:30:45,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:45,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:30:45,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:45,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:30:45,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:45,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:45,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:45,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:30:45,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:45,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:30:45,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:45,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:30:45,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:45,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:30:45,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:45,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:30:45,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:45,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:45,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:45,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:30:45,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:45,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:30:45,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:45,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:30:45,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:45,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:30:45,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:45,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:30:45,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:45,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:45,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:45,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:30:45,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:45,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:30:45,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:45,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:30:45,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:45,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:30:45,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:45,811 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 53 proven. 68 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2020-10-27 22:30:45,812 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [341283955] [2020-10-27 22:30:45,812 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:30:45,812 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-27 22:30:45,812 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135097236] [2020-10-27 22:30:45,814 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 22:30:45,814 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:30:45,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 22:30:45,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-27 22:30:45,816 INFO L87 Difference]: Start difference. First operand 37 states and 49 transitions. Second operand 9 states. [2020-10-27 22:30:46,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:30:46,244 INFO L93 Difference]: Finished difference Result 67 states and 97 transitions. [2020-10-27 22:30:46,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 22:30:46,245 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 82 [2020-10-27 22:30:46,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:30:46,247 INFO L225 Difference]: With dead ends: 67 [2020-10-27 22:30:46,247 INFO L226 Difference]: Without dead ends: 37 [2020-10-27 22:30:46,251 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-10-27 22:30:46,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-10-27 22:30:46,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2020-10-27 22:30:46,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-10-27 22:30:46,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 47 transitions. [2020-10-27 22:30:46,267 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 47 transitions. Word has length 82 [2020-10-27 22:30:46,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:30:46,268 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 47 transitions. [2020-10-27 22:30:46,268 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 22:30:46,268 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2020-10-27 22:30:46,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-27 22:30:46,274 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:30:46,275 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 9, 5, 5, 5, 5, 5, 5, 5, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:30:46,275 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 22:30:46,277 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:30:46,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:30:46,277 INFO L82 PathProgramCache]: Analyzing trace with hash -756009077, now seen corresponding path program 4 times [2020-10-27 22:30:46,277 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:30:46,278 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [149178531] [2020-10-27 22:30:46,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:30:46,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:46,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:46,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:46,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:46,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:46,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:46,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:46,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:46,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:46,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:46,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:47,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:47,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:47,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:47,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:48,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:48,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:48,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:49,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:49,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:51,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:51,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-27 22:30:51,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-27 22:30:51,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 22:30:51,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:51,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 22:30:51,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 22:30:51,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-27 22:30:51,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:51,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:30:51,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:51,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:51,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:51,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:30:51,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:51,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:30:51,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:51,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:30:51,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:51,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:30:51,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:51,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:30:51,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:51,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:51,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:51,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:51,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:51,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:51,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:52,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:53,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:53,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:53,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:53,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:53,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:53,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:53,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:53,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:53,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:54,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:54,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:54,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:56,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:56,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:56,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:56,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-27 22:30:56,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-27 22:30:56,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-27 22:30:56,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:56,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 22:30:56,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:30:56,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-27 22:30:56,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:56,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:30:56,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:56,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:56,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:56,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:56,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:56,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:56,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:57,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:57,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:30:57,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:30:57,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1289 [2020-10-27 22:30:57,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:57,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:30:57,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:57,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 22:30:57,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:57,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:30:57,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:57,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:57,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:57,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:30:57,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:57,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:30:57,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:57,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:30:57,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:57,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:30:57,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:57,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:30:57,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:57,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:57,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:57,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:30:57,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:57,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:30:57,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:57,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:30:57,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:57,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:30:57,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:57,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:30:57,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:57,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:57,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:57,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:30:57,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:57,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:30:57,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:57,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:30:57,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:57,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:30:57,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:57,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:30:57,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:57,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:57,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:57,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:30:57,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:57,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:30:57,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:57,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:30:57,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:57,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:30:57,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:57,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:30:57,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:57,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:57,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:57,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:57,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:57,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:57,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:58,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:58,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:30:58,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:30:58,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 836 [2020-10-27 22:30:58,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:58,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:30:58,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:30:58,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:30:58,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:58,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:30:58,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:58,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:58,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:58,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:58,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:58,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:30:58,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:30:58,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-27 22:30:58,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:58,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:30:58,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:58,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:30:58,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:58,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:30:58,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:58,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:58,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:58,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:30:58,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:58,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:30:58,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:58,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:30:58,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:58,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:30:58,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:58,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:30:58,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:58,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:58,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:58,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:30:58,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:58,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:30:58,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:58,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:30:58,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:58,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:30:58,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:58,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:30:58,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:58,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:58,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:58,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:30:58,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:58,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:30:58,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:58,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:30:58,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:58,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:30:58,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:58,857 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 102 proven. 75 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2020-10-27 22:30:58,857 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [149178531] [2020-10-27 22:30:58,857 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:30:58,857 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 22:30:58,858 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900248716] [2020-10-27 22:30:58,859 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 22:30:58,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:30:58,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 22:30:58,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-10-27 22:30:58,861 INFO L87 Difference]: Start difference. First operand 37 states and 47 transitions. Second operand 12 states. [2020-10-27 22:30:59,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:30:59,696 INFO L93 Difference]: Finished difference Result 75 states and 113 transitions. [2020-10-27 22:30:59,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 22:30:59,697 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 84 [2020-10-27 22:30:59,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:30:59,699 INFO L225 Difference]: With dead ends: 75 [2020-10-27 22:30:59,699 INFO L226 Difference]: Without dead ends: 45 [2020-10-27 22:30:59,700 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-10-27 22:30:59,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-10-27 22:30:59,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 42. [2020-10-27 22:30:59,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-10-27 22:30:59,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 56 transitions. [2020-10-27 22:30:59,713 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 56 transitions. Word has length 84 [2020-10-27 22:30:59,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:30:59,714 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 56 transitions. [2020-10-27 22:30:59,714 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 22:30:59,714 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2020-10-27 22:30:59,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-27 22:30:59,721 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:30:59,721 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 13, 8, 8, 8, 8, 8, 8, 8, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:30:59,721 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 22:30:59,721 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:30:59,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:30:59,722 INFO L82 PathProgramCache]: Analyzing trace with hash -41235218, now seen corresponding path program 5 times [2020-10-27 22:30:59,722 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:30:59,722 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1928443390] [2020-10-27 22:30:59,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:30:59,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:59,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:59,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:59,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:59,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:59,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:59,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:59,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:59,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:59,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:00,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:00,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:00,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:01,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:01,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:01,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:01,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:03,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:04,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:04,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-10-27 22:31:04,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-27 22:31:04,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-27 22:31:04,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:04,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:31:04,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-27 22:31:04,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 22:31:04,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:04,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:31:04,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:04,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:04,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:04,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:31:04,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:31:04,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:31:04,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:04,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:31:04,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:04,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:31:04,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:04,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:31:04,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:04,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:04,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:04,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:04,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:04,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:04,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:04,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:05,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:05,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:05,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:05,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:05,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:05,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:05,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:05,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:05,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:05,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:05,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:05,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:05,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:05,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:05,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:05,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:05,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:05,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:05,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:05,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:05,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:05,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:05,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:06,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:09,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:09,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-27 22:31:09,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 31 [2020-10-27 22:31:09,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-27 22:31:09,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:09,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:31:09,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-27 22:31:09,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 22:31:09,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:09,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:31:09,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:09,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:09,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:09,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:09,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:09,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:09,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:10,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:10,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:10,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:10,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:14,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:14,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-27 22:31:14,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 22:31:14,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4347 [2020-10-27 22:31:14,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:14,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:31:14,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:31:14,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-27 22:31:14,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:14,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:31:14,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:14,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:14,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:14,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:14,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:31:14,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:31:14,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-27 22:31:14,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:14,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:31:14,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:14,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:31:14,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:14,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:31:14,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:14,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:14,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:14,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:31:14,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:31:14,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:31:14,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:14,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:31:14,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:14,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:31:14,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:14,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:31:14,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:14,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:14,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:14,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:31:14,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:31:14,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:31:14,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:14,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:31:14,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:14,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:31:14,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:14,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:31:14,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:14,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:14,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:14,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:14,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:14,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:31:14,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:31:14,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-27 22:31:14,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:14,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:31:14,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:31:14,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:31:14,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:14,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:31:14,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:14,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:14,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:14,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:14,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:31:14,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:31:14,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:31:14,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:14,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:31:14,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:14,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:31:14,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:14,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:31:14,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:14,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:14,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:14,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:31:14,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:31:14,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:31:14,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:14,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:31:14,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:14,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:31:14,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:14,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-27 22:31:14,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:14,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:14,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:14,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:14,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:14,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:14,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:14,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:14,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:15,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:15,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:15,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:16,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:16,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:16,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:16,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:16,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:16,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:19,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:19,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:31:19,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-27 22:31:19,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 22:31:19,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:19,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:31:19,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 22:31:19,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-27 22:31:19,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:19,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:31:19,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:19,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:19,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:19,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:19,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:19,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:19,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:19,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:20,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:20,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:21,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:21,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-27 22:31:21,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 22:31:21,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2519 [2020-10-27 22:31:21,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:21,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:31:21,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:31:21,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-27 22:31:21,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:21,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:31:21,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:21,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:21,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:22,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:22,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:31:22,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:31:22,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-27 22:31:22,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:22,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:31:22,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:22,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:31:22,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:22,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:31:22,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:22,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:22,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:22,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:31:22,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:31:22,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:31:22,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:22,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:31:22,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:22,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:31:22,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:22,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:31:22,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:22,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:22,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:22,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:31:22,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:31:22,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:31:22,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:22,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:31:22,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:22,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:31:22,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:22,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:31:22,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:22,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:22,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:22,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:22,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:22,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:31:22,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:31:22,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-27 22:31:22,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:22,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:31:22,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:31:22,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:31:22,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:22,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:31:22,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:22,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:22,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:22,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:22,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:31:22,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:31:22,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:31:22,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:22,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:31:22,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:22,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:31:22,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:22,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:31:22,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:22,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:22,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:22,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:31:22,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:31:22,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:31:22,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:22,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:31:22,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:22,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:31:22,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:22,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-27 22:31:22,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:22,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:22,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:22,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:31:22,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:31:22,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:31:22,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:22,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:31:22,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 22:31:22,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:31:22,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:22,188 INFO L134 CoverageAnalysis]: Checked inductivity of 734 backedges. 237 proven. 240 refuted. 0 times theorem prover too weak. 257 trivial. 0 not checked. [2020-10-27 22:31:22,189 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1928443390] [2020-10-27 22:31:22,189 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:31:22,189 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 22:31:22,189 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898291350] [2020-10-27 22:31:22,190 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 22:31:22,190 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:31:22,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 22:31:22,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2020-10-27 22:31:22,191 INFO L87 Difference]: Start difference. First operand 42 states and 56 transitions. Second operand 12 states. [2020-10-27 22:31:22,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:31:22,985 INFO L93 Difference]: Finished difference Result 82 states and 119 transitions. [2020-10-27 22:31:22,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 22:31:22,985 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 124 [2020-10-27 22:31:22,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:31:22,990 INFO L225 Difference]: With dead ends: 82 [2020-10-27 22:31:22,990 INFO L226 Difference]: Without dead ends: 47 [2020-10-27 22:31:22,991 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=137, Invalid=369, Unknown=0, NotChecked=0, Total=506 [2020-10-27 22:31:22,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-10-27 22:31:23,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2020-10-27 22:31:23,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-10-27 22:31:23,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 58 transitions. [2020-10-27 22:31:23,001 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 58 transitions. Word has length 124 [2020-10-27 22:31:23,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:31:23,002 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 58 transitions. [2020-10-27 22:31:23,002 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 22:31:23,002 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 58 transitions. [2020-10-27 22:31:23,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-10-27 22:31:23,005 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:31:23,005 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 17, 10, 10, 10, 10, 10, 10, 10, 7, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:31:23,005 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 22:31:23,005 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:31:23,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:31:23,006 INFO L82 PathProgramCache]: Analyzing trace with hash 564299598, now seen corresponding path program 6 times [2020-10-27 22:31:23,006 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:31:23,006 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [283699550] [2020-10-27 22:31:23,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:31:23,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:23,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:23,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:23,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:23,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:23,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:23,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:23,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:23,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:23,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:23,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:23,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:23,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:23,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:23,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:23,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:23,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:24,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:24,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:28,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:28,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 202 [2020-10-27 22:31:28,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-27 22:31:28,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-27 22:31:28,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:28,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 22:31:28,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 22:31:28,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-27 22:31:28,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:28,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:31:28,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:28,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:28,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:28,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:31:28,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:31:28,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:31:28,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:28,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:31:28,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:28,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:31:28,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:28,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:31:28,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:28,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:28,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:28,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:28,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:28,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:29,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:29,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:29,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:29,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:29,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:29,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:29,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:29,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:29,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:29,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:29,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:30,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:30,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:30,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:30,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:30,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:30,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:31,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:31,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:31,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:31,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:31,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:31,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:31,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:31,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:31,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:33,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:33,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-10-27 22:31:33,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 31 [2020-10-27 22:31:33,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-27 22:31:33,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:33,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 22:31:33,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:31:33,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-27 22:31:33,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:33,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:31:33,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:33,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:33,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:33,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:33,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:33,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:33,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:33,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:33,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:33,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:33,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:33,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:34,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:34,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:34,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:38,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:38,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:31:38,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-27 22:31:38,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 22:31:38,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:38,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 22:31:38,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:38,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 22:31:38,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:38,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:31:38,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:38,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:38,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:38,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:38,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:38,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:31:38,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:31:38,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 341 [2020-10-27 22:31:38,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:38,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:31:38,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:38,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 22:31:38,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:38,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:31:38,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:38,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:38,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:38,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:31:38,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:31:38,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:31:38,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:38,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:31:38,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:38,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:31:38,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:38,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:31:38,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:38,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:38,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:38,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:31:38,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:31:38,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:31:38,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:38,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:31:38,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:38,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:31:38,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:38,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:31:38,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:38,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:38,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:38,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:31:38,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:31:38,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:31:38,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:38,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:31:38,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:38,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:31:38,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:38,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:31:38,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:38,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:38,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:38,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:31:38,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:31:38,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:31:38,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:38,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:31:38,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:38,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:31:38,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:38,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:31:38,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:38,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:38,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:38,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:38,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:38,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:31:38,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:31:38,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-27 22:31:38,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:38,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:31:38,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:38,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:31:38,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:38,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:31:38,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:38,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:38,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:38,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:38,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:31:38,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:31:38,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:31:38,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:38,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:31:38,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:38,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:31:38,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:38,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:31:38,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:38,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:38,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:38,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:31:38,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:31:38,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:31:38,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:38,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:31:38,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:38,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:31:38,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:38,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 22:31:38,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:38,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:38,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:38,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:38,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:38,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:38,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:38,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:39,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:39,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:42,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:43,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:43,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:43,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:43,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:43,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:43,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:43,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:43,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:43,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:43,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-27 22:31:43,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-27 22:31:43,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 22:31:43,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:43,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:31:43,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:31:43,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-27 22:31:43,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:43,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:31:43,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:43,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:43,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:43,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:43,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:43,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:43,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:43,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:43,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:43,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:44,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:48,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:48,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:31:48,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 22:31:48,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 22:31:48,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:48,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:31:48,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:48,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 22:31:48,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:48,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:31:48,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:48,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:48,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:48,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:48,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:48,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:48,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:49,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:49,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:31:49,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:31:49,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 475 [2020-10-27 22:31:49,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:49,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:31:49,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:49,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 22:31:49,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:49,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:31:49,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:49,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:49,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:49,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:31:49,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:31:49,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:31:49,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:49,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:31:49,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:49,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:31:49,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:49,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:31:49,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:49,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:49,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:49,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:31:49,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:31:49,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:31:49,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:49,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:31:49,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:49,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:31:49,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:49,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:31:49,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:49,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:49,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:49,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:31:49,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:31:49,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:31:49,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:49,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:31:49,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:49,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:31:49,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:49,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:31:49,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:49,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:49,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:49,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:31:49,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:31:49,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:31:49,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:49,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:31:49,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:49,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:31:49,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:49,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:31:49,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:49,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:49,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:49,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:31:49,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:31:49,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:31:49,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:49,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:31:49,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:49,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:31:49,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:49,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:31:49,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:49,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:49,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:49,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:31:49,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:31:49,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:31:49,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:49,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:31:49,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:49,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:31:49,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:49,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:31:49,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:49,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:49,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:49,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:31:49,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:31:49,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:31:49,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:49,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:31:49,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:49,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:31:49,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:49,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 22:31:49,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:49,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:49,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:49,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:31:49,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:31:49,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:31:49,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:49,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:31:49,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:31:49,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:31:49,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:49,491 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 336 proven. 339 refuted. 0 times theorem prover too weak. 481 trivial. 0 not checked. [2020-10-27 22:31:49,492 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [283699550] [2020-10-27 22:31:49,492 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:31:49,492 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-27 22:31:49,492 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59653327] [2020-10-27 22:31:49,493 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-27 22:31:49,493 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:31:49,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-27 22:31:49,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2020-10-27 22:31:49,494 INFO L87 Difference]: Start difference. First operand 47 states and 58 transitions. Second operand 17 states. [2020-10-27 22:31:51,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:31:51,148 INFO L93 Difference]: Finished difference Result 116 states and 174 transitions. [2020-10-27 22:31:51,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-27 22:31:51,148 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 152 [2020-10-27 22:31:51,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:31:51,155 INFO L225 Difference]: With dead ends: 116 [2020-10-27 22:31:51,155 INFO L226 Difference]: Without dead ends: 76 [2020-10-27 22:31:51,157 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 41 SyntacticMatches, 4 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=286, Invalid=974, Unknown=0, NotChecked=0, Total=1260 [2020-10-27 22:31:51,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2020-10-27 22:31:51,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 66. [2020-10-27 22:31:51,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-10-27 22:31:51,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 79 transitions. [2020-10-27 22:31:51,172 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 79 transitions. Word has length 152 [2020-10-27 22:31:51,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:31:51,172 INFO L481 AbstractCegarLoop]: Abstraction has 66 states and 79 transitions. [2020-10-27 22:31:51,172 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-27 22:31:51,172 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 79 transitions. [2020-10-27 22:31:51,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-27 22:31:51,174 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:31:51,174 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 12, 7, 7, 7, 7, 7, 7, 7, 5, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:31:51,174 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 22:31:51,174 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:31:51,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:31:51,175 INFO L82 PathProgramCache]: Analyzing trace with hash 1296121057, now seen corresponding path program 7 times [2020-10-27 22:31:51,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:31:51,175 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [424454641] [2020-10-27 22:31:51,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:31:51,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:51,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:51,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:51,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:51,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:51,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:56,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:56,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-10-27 22:31:56,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:31:56,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 22:31:56,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:56,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:31:56,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 22:31:56,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-27 22:31:56,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:56,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:31:56,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:56,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:56,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:56,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:31:56,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:31:56,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:31:56,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:56,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:31:56,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:56,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:31:56,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:56,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:31:56,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:56,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:56,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:56,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:56,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:56,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:57,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:01,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:01,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 22:32:01,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:32:01,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 22:32:01,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:01,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:32:01,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:32:01,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-27 22:32:01,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:01,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:32:01,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:01,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:01,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:01,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:01,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:01,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:06,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:06,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:32:06,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:32:06,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-27 22:32:06,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:06,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:32:06,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:06,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 22:32:06,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:06,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:32:06,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:06,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:06,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:06,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:32:06,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:32:06,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:32:06,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:06,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:32:06,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:06,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:32:06,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:06,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:32:06,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:06,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:06,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:06,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:32:06,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:32:06,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:32:06,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:06,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:32:06,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:06,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:32:06,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:06,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:32:06,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:06,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:06,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:06,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:32:06,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:32:06,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:32:06,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:06,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:32:06,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:06,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:32:06,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:06,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:32:06,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:06,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:06,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:06,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:32:06,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:32:06,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:32:06,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:06,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:32:06,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:06,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:32:06,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:06,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:32:06,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:06,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:06,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:06,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:32:06,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:32:06,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:32:06,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:06,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:32:06,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:06,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:32:06,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:06,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:32:06,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:06,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:06,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:06,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:06,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:32:06,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:32:06,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-27 22:32:06,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:06,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:32:06,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:06,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:32:06,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:06,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:32:06,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:06,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:06,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:06,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:32:06,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:32:06,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:32:06,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:06,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:32:06,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:06,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:32:06,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:06,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:32:06,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:06,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:06,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:06,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:32:06,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:32:06,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:32:06,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:06,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:32:06,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:06,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:32:06,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:06,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 22:32:06,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:06,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:06,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:06,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:32:06,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:32:06,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 22:32:06,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:06,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:32:06,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:06,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:32:06,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:06,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:32:06,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:06,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:06,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:06,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:32:06,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:32:06,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:32:06,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:06,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:32:06,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:06,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:32:06,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:06,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:32:06,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:06,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:06,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:06,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:32:06,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:32:06,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:32:06,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:06,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:32:06,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:06,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:32:06,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:06,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:32:06,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:06,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:06,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:06,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:32:06,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:32:06,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:32:06,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:06,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:32:06,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:06,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:32:06,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:06,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:32:06,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:06,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:06,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:06,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:32:06,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:32:06,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:32:06,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:06,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:32:06,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:06,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:32:06,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:06,513 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 95 proven. 138 refuted. 0 times theorem prover too weak. 337 trivial. 0 not checked. [2020-10-27 22:32:06,514 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [424454641] [2020-10-27 22:32:06,514 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:32:06,514 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-27 22:32:06,514 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143083306] [2020-10-27 22:32:06,515 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 22:32:06,515 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:32:06,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 22:32:06,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-27 22:32:06,515 INFO L87 Difference]: Start difference. First operand 66 states and 79 transitions. Second operand 10 states. [2020-10-27 22:32:07,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:32:07,101 INFO L93 Difference]: Finished difference Result 158 states and 208 transitions. [2020-10-27 22:32:07,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 22:32:07,102 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 111 [2020-10-27 22:32:07,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:32:07,105 INFO L225 Difference]: With dead ends: 158 [2020-10-27 22:32:07,105 INFO L226 Difference]: Without dead ends: 91 [2020-10-27 22:32:07,106 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-10-27 22:32:07,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-10-27 22:32:07,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 78. [2020-10-27 22:32:07,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-10-27 22:32:07,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 99 transitions. [2020-10-27 22:32:07,122 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 99 transitions. Word has length 111 [2020-10-27 22:32:07,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:32:07,122 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 99 transitions. [2020-10-27 22:32:07,122 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 22:32:07,123 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 99 transitions. [2020-10-27 22:32:07,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-10-27 22:32:07,125 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:32:07,125 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 17, 10, 10, 10, 10, 10, 10, 10, 7, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:32:07,125 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-27 22:32:07,125 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:32:07,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:32:07,125 INFO L82 PathProgramCache]: Analyzing trace with hash -2099364178, now seen corresponding path program 8 times [2020-10-27 22:32:07,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:32:07,126 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [617640664] [2020-10-27 22:32:07,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:32:07,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:07,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:07,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:07,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:07,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:07,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:07,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:08,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:08,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:08,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:08,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:12,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:12,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 202 [2020-10-27 22:32:12,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 22:32:12,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 22:32:12,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:12,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 22:32:12,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 22:32:12,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-27 22:32:12,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:12,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:32:12,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:12,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:12,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:12,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:32:12,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:32:12,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:32:12,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:12,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:32:12,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:12,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:32:12,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:12,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:32:12,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:12,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:12,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:12,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:12,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:12,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:12,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:12,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:13,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:13,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:13,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:13,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:13,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:15,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:15,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:17,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:17,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-10-27 22:32:17,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-27 22:32:17,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 22:32:17,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:17,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-27 22:32:17,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:32:17,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 149 [2020-10-27 22:32:17,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:17,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:32:17,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:17,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:17,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:17,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:17,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:17,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:17,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:17,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:17,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:17,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:19,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:19,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:19,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:19,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:19,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:19,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:19,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:20,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:20,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:21,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:21,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:21,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:21,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:21,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:21,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:21,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:22,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:22,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 22:32:22,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 25 [2020-10-27 22:32:22,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-27 22:32:22,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:22,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-27 22:32:22,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:22,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-27 22:32:22,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:22,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:32:22,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:22,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:22,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:22,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:22,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:22,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:22,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:22,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:22,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:23,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:23,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:23,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:23,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:23,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:23,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:27,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:27,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:32:27,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-27 22:32:27,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 22:32:27,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:27,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:32:27,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:27,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 22:32:27,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:27,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:32:27,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:27,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:27,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:27,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:27,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:27,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:27,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:28,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:28,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:32:28,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:32:28,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 806 [2020-10-27 22:32:28,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:28,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:32:28,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:28,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 22:32:28,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:28,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:32:28,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:28,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:28,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:28,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:28,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:28,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:32:28,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:32:28,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-27 22:32:28,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:28,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:32:28,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:28,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:32:28,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:28,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:32:28,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:28,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:28,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:28,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:28,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:32:28,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:32:28,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 22:32:28,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:28,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:32:28,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:28,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:32:28,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:28,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:32:28,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:28,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:28,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:28,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:32:28,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:32:28,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:32:28,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:28,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:32:28,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:28,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:32:28,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:28,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:32:28,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:28,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:28,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:28,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:32:28,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:32:28,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:32:28,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:28,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:32:28,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:28,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:32:28,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:28,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:32:28,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:28,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:28,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:28,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:32:28,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:32:28,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:32:28,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:28,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:32:28,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:28,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:32:28,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:28,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:32:28,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:28,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:28,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:28,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:32:28,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:32:28,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:32:28,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:28,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:32:28,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:28,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:32:28,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:28,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:32:28,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:28,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:28,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:28,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:32:28,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:32:28,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:32:28,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:28,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:32:28,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:28,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:32:28,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:28,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 22:32:28,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:28,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:28,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:28,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:28,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:28,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:28,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:28,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:28,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:32:28,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:32:28,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 520 [2020-10-27 22:32:28,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:28,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:32:28,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:28,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 22:32:28,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:28,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:32:28,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:28,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:28,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:28,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:32:28,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:32:28,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:32:28,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:28,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:32:28,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:28,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:32:28,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:28,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:32:28,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:28,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:28,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:28,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:32:28,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:32:28,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:32:28,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:28,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:32:28,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:28,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:32:28,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:28,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:32:28,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:28,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:28,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:28,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:32:28,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:32:28,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:32:28,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:28,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:32:28,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:28,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:32:28,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:28,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:32:28,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:28,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:28,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:28,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:32:28,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:32:28,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:32:28,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:28,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:32:28,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:28,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:32:28,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:28,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-27 22:32:28,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:28,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:29,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:29,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:29,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:29,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:32:29,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:32:29,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 190 [2020-10-27 22:32:29,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:29,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:32:29,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:32:29,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:32:29,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:29,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:32:29,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:29,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:29,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:29,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:29,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:32:29,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:32:29,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-27 22:32:29,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:29,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:32:29,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:29,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:32:29,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:29,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:32:29,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:29,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:29,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:29,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:32:29,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:32:29,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:32:29,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:29,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:32:29,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:29,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:32:29,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:29,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:32:29,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:29,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:29,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:29,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:32:29,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:32:29,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:32:29,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:29,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:32:29,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:29,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:32:29,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:29,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:32:29,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:29,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:29,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:29,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:32:29,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:32:29,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:32:29,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:29,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:32:29,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:29,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:32:29,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:29,351 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 311 proven. 402 refuted. 0 times theorem prover too weak. 443 trivial. 0 not checked. [2020-10-27 22:32:29,352 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [617640664] [2020-10-27 22:32:29,352 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:32:29,352 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-27 22:32:29,352 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588082774] [2020-10-27 22:32:29,353 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-27 22:32:29,353 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:32:29,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-27 22:32:29,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=312, Unknown=0, NotChecked=0, Total=380 [2020-10-27 22:32:29,353 INFO L87 Difference]: Start difference. First operand 78 states and 99 transitions. Second operand 20 states. [2020-10-27 22:32:30,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:32:30,977 INFO L93 Difference]: Finished difference Result 143 states and 202 transitions. [2020-10-27 22:32:30,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-27 22:32:30,977 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 152 [2020-10-27 22:32:30,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:32:30,979 INFO L225 Difference]: With dead ends: 143 [2020-10-27 22:32:30,979 INFO L226 Difference]: Without dead ends: 74 [2020-10-27 22:32:30,982 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 284 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=346, Invalid=1136, Unknown=0, NotChecked=0, Total=1482 [2020-10-27 22:32:30,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-10-27 22:32:31,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2020-10-27 22:32:31,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-10-27 22:32:31,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 94 transitions. [2020-10-27 22:32:31,013 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 94 transitions. Word has length 152 [2020-10-27 22:32:31,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:32:31,013 INFO L481 AbstractCegarLoop]: Abstraction has 74 states and 94 transitions. [2020-10-27 22:32:31,013 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-27 22:32:31,014 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 94 transitions. [2020-10-27 22:32:31,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-10-27 22:32:31,019 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:32:31,019 INFO L422 BasicCegarLoop]: trace histogram [31, 31, 25, 15, 15, 15, 15, 15, 15, 15, 10, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:32:31,019 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-27 22:32:31,020 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:32:31,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:32:31,020 INFO L82 PathProgramCache]: Analyzing trace with hash 1011218065, now seen corresponding path program 9 times [2020-10-27 22:32:31,020 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:32:31,020 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2068714119] [2020-10-27 22:32:31,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:32:31,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:31,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:31,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:31,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:31,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:31,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:31,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:31,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:31,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:31,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:32,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:32,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:33,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:33,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:33,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:33,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:33,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:33,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:33,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:33,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:33,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:33,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:33,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:33,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:33,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:34,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:34,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:35,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:35,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:35,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:35,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:35,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:36,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:36,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:36,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 290 [2020-10-27 22:32:36,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 32 [2020-10-27 22:32:36,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-10-27 22:32:36,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:36,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 22:32:36,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 22:32:36,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 155 [2020-10-27 22:32:36,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:36,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:32:36,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:36,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:36,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:36,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:32:36,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:32:36,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:32:36,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:36,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:32:36,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:36,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:32:36,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:36,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:32:36,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:36,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:36,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:36,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:36,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:36,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:36,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:36,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:37,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:37,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:37,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:39,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:39,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:39,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:39,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:39,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:39,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:39,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:39,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:40,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:40,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:40,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:40,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:40,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:41,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:41,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-27 22:32:41,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 23 [2020-10-27 22:32:41,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-27 22:32:41,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:41,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-27 22:32:41,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:32:41,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 181 [2020-10-27 22:32:41,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:41,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:32:41,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:41,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:41,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:41,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:41,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:41,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:41,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:41,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:46,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:46,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 22:32:46,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 22:32:46,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 22:32:46,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:46,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 22:32:46,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:46,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-27 22:32:46,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:46,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:32:46,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:46,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:46,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:46,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:46,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:46,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:51,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:51,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:32:51,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:32:51,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 22:32:51,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:51,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:32:51,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:51,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 22:32:51,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:51,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:32:51,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:51,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:51,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:51,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:32:51,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:32:51,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:32:51,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:51,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:32:51,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:51,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:32:51,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:51,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:32:51,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:51,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:51,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:51,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:32:51,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:32:51,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:32:51,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:51,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:32:51,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:51,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:32:51,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:51,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:32:51,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:51,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:51,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:51,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:32:51,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:32:51,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:32:51,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:51,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:32:51,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:51,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:32:51,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:51,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:32:51,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:51,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:51,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:51,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:32:51,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:32:51,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:32:51,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:51,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:32:51,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:51,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:32:51,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:51,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:32:51,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:51,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:51,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:51,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:32:51,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:32:51,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:32:51,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:51,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:32:51,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:51,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:32:51,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:51,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:32:51,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:51,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:51,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:51,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:51,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:32:51,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:32:51,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-27 22:32:51,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:51,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:32:51,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:51,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:32:51,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:51,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:32:51,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:51,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:51,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:51,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:32:51,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:32:51,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:32:51,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:51,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:32:51,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:51,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:32:51,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:51,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:32:51,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:51,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:51,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:51,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:32:51,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:32:51,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:32:51,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:51,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:32:51,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:51,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:32:51,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:51,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 22:32:51,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:51,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:51,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:51,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:32:51,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:32:51,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:32:51,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:51,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:32:51,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:51,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:32:51,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:51,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:32:51,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:51,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:51,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:51,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:32:51,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:32:51,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:32:51,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:51,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:32:51,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:51,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:32:51,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:51,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:32:51,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:51,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:51,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:51,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:32:51,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:32:51,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:32:51,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:51,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:32:51,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:51,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:32:51,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:51,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:32:51,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:51,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:51,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:51,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:32:51,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:32:51,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:32:51,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:51,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:32:51,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:51,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:32:51,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:51,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:32:51,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:51,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:51,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:51,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:32:51,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:32:51,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:32:51,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:51,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:32:51,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:51,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:32:51,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:51,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-27 22:32:51,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:51,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:51,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:51,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:51,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:51,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:51,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:51,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:51,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:51,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:51,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:51,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:51,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:53,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:53,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:53,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:56,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:56,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 22:32:56,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-27 22:32:56,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-27 22:32:56,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:56,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 22:32:56,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:32:56,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-27 22:32:56,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:56,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:32:56,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:56,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:56,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:56,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:56,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:56,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:56,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:56,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:56,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:56,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:56,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:57,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:57,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:57,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:57,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:01,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:01,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:33:01,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-27 22:33:01,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 22:33:01,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:01,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 22:33:01,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:01,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 22:33:01,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:01,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:33:01,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:01,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:01,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:01,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:01,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:01,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:01,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:02,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:02,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:33:02,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:33:02,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 473 [2020-10-27 22:33:02,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:02,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:33:02,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:02,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 22:33:02,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:02,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:33:02,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:02,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:02,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:02,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:02,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:02,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:33:02,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:33:02,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-27 22:33:02,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:02,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:33:02,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:02,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:33:02,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:02,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:33:02,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:02,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:02,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:02,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:02,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:33:02,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:33:02,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:33:02,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:02,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:33:02,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:02,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:33:02,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:02,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:33:02,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:02,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:02,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:02,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:33:02,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:02,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:33:02,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:02,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:33:02,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:02,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:33:02,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:02,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:33:02,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:02,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:02,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:02,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:33:02,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:02,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:33:02,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:02,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:33:02,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:02,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:33:02,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:02,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:33:02,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:02,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:02,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:02,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:33:02,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:02,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:33:02,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:02,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:33:02,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:02,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:33:02,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:02,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:33:02,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:02,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:02,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:02,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:33:02,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:02,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:33:02,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:02,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:33:02,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:02,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:33:02,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:02,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:33:02,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:02,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:02,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:02,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:33:02,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:02,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:33:02,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:02,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:33:02,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:02,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:33:02,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:02,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 22:33:02,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:02,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:02,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:02,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:33:02,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:02,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:33:02,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:02,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:33:02,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:02,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:33:02,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:02,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:33:02,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:02,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:02,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:02,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:33:02,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:02,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:33:02,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:02,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:33:02,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:02,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:33:02,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:02,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:33:02,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:02,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:02,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:02,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:33:02,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:02,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:33:02,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:02,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:33:02,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:02,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:33:02,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:02,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:33:02,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:02,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:02,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:02,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:33:02,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:02,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:33:02,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:02,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:33:02,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:02,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:33:02,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:02,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:33:02,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:02,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:02,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:02,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:33:02,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:02,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:33:02,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:02,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:33:02,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:02,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:33:02,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:02,310 INFO L134 CoverageAnalysis]: Checked inductivity of 2580 backedges. 567 proven. 640 refuted. 0 times theorem prover too weak. 1373 trivial. 0 not checked. [2020-10-27 22:33:02,311 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2068714119] [2020-10-27 22:33:02,311 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:33:02,311 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-27 22:33:02,311 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256612289] [2020-10-27 22:33:02,312 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-27 22:33:02,312 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:33:02,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-27 22:33:02,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2020-10-27 22:33:02,313 INFO L87 Difference]: Start difference. First operand 74 states and 94 transitions. Second operand 18 states. [2020-10-27 22:33:04,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:33:04,484 INFO L93 Difference]: Finished difference Result 168 states and 237 transitions. [2020-10-27 22:33:04,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-27 22:33:04,485 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 220 [2020-10-27 22:33:04,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:33:04,486 INFO L225 Difference]: With dead ends: 168 [2020-10-27 22:33:04,487 INFO L226 Difference]: Without dead ends: 103 [2020-10-27 22:33:04,488 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 393 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=456, Invalid=1436, Unknown=0, NotChecked=0, Total=1892 [2020-10-27 22:33:04,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2020-10-27 22:33:04,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 86. [2020-10-27 22:33:04,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-10-27 22:33:04,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 110 transitions. [2020-10-27 22:33:04,504 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 110 transitions. Word has length 220 [2020-10-27 22:33:04,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:33:04,505 INFO L481 AbstractCegarLoop]: Abstraction has 86 states and 110 transitions. [2020-10-27 22:33:04,505 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-27 22:33:04,505 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 110 transitions. [2020-10-27 22:33:04,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-10-27 22:33:04,507 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:33:04,507 INFO L422 BasicCegarLoop]: trace histogram [25, 25, 20, 12, 12, 12, 12, 12, 12, 12, 8, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:33:04,508 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-27 22:33:04,508 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:33:04,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:33:04,508 INFO L82 PathProgramCache]: Analyzing trace with hash -732775580, now seen corresponding path program 10 times [2020-10-27 22:33:04,508 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:33:04,511 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2019269266] [2020-10-27 22:33:04,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:33:04,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:04,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:04,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:04,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:05,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:05,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:05,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:06,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:06,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:06,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:06,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:09,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:09,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-27 22:33:09,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 22:33:09,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 22:33:09,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:09,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 22:33:09,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 22:33:09,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-27 22:33:09,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:09,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:33:09,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:09,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:09,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:09,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:33:09,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:09,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:33:09,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:09,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:33:09,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:09,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:33:09,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:09,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:33:09,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:09,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:09,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:09,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:09,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:09,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:09,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:10,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:11,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:14,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:14,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-27 22:33:14,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 22:33:14,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 22:33:14,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:14,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 22:33:14,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:33:14,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 218 [2020-10-27 22:33:14,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:14,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:33:14,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:14,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:14,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:14,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:14,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:14,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:14,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:19,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:19,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 22:33:19,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:33:19,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 22:33:19,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:19,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 22:33:19,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:19,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-27 22:33:19,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:19,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:33:19,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:19,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:19,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:19,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:19,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:19,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:24,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:24,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:33:24,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:33:24,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 22:33:24,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:24,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:33:24,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:24,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 22:33:24,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:24,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:33:24,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:24,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:24,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:24,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:33:24,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:24,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:33:24,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:24,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:33:24,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:24,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:33:24,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:24,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:33:24,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:24,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:24,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:24,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:33:24,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:24,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:33:24,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:24,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:33:24,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:24,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:33:24,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:24,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:33:24,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:24,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:24,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:24,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:33:24,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:24,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:33:24,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:24,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:33:24,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:24,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:33:24,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:24,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:33:24,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:24,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:24,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:24,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:33:24,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:24,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:33:24,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:24,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:33:24,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:24,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:33:24,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:24,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:33:24,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:24,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:24,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:24,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:33:24,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:24,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:33:24,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:24,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:33:24,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:24,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:33:24,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:24,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:33:24,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:24,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:24,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:24,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:24,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:33:24,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:33:24,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-27 22:33:24,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:24,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:33:24,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:24,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:33:24,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:24,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:33:24,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:24,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:24,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:24,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:33:24,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:24,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:33:24,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:24,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:33:24,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:24,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:33:24,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:24,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:33:24,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:24,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:24,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:24,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:33:24,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:24,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:33:24,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:24,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:33:24,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:24,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:33:24,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:24,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 22:33:24,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:24,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:24,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:24,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:33:24,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:24,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:33:24,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:24,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:33:24,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:24,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:33:24,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:24,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:33:24,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:24,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:24,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:24,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:33:24,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:24,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:33:24,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:24,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:33:24,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:24,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:33:24,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:24,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:33:24,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:24,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:24,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:24,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:33:24,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:24,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:33:24,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:24,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:33:24,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:24,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:33:24,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:24,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:33:24,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:24,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:24,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:24,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:33:24,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:24,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:33:24,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:24,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:33:24,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:24,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:33:24,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:24,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:33:24,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:24,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:24,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:24,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:33:24,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:24,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:33:24,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:24,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:33:24,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:24,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:33:24,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:24,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-27 22:33:24,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:24,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:24,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:24,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:33:24,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:24,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 22:33:24,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:24,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:33:24,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:24,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 22:33:24,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:24,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:33:24,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:24,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:24,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:24,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:33:24,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:24,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:33:24,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:24,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:33:24,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:24,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:33:24,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:24,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:33:24,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:24,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:24,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:24,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:33:24,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:24,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:33:24,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:24,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:33:24,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:24,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:33:24,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:24,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:33:24,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:24,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:24,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:24,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:33:24,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:24,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:33:24,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:24,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:33:24,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:24,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:33:24,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:24,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:33:24,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:24,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:24,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:24,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:33:24,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:24,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:33:24,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:24,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:33:24,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:24,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:33:24,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:24,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:33:24,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:24,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:24,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:24,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:33:24,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:24,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:33:24,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:24,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:33:24,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:24,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:33:24,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:24,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:33:24,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:24,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:24,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:24,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:33:24,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:24,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:33:24,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:24,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:33:24,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:24,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:33:24,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:24,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:33:24,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:24,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:24,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:24,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:33:24,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:24,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:33:24,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:24,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:33:24,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:24,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:33:24,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:24,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:33:24,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:24,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:24,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:24,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:33:24,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:24,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:33:24,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:24,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:33:24,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:24,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:33:24,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:25,005 INFO L134 CoverageAnalysis]: Checked inductivity of 1654 backedges. 157 proven. 391 refuted. 0 times theorem prover too weak. 1106 trivial. 0 not checked. [2020-10-27 22:33:25,005 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2019269266] [2020-10-27 22:33:25,006 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:33:25,006 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 22:33:25,006 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188859052] [2020-10-27 22:33:25,006 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 22:33:25,007 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:33:25,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 22:33:25,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-10-27 22:33:25,007 INFO L87 Difference]: Start difference. First operand 86 states and 110 transitions. Second operand 12 states. [2020-10-27 22:33:25,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:33:25,556 INFO L93 Difference]: Finished difference Result 108 states and 138 transitions. [2020-10-27 22:33:25,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 22:33:25,556 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 179 [2020-10-27 22:33:25,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:33:25,559 INFO L225 Difference]: With dead ends: 108 [2020-10-27 22:33:25,560 INFO L226 Difference]: Without dead ends: 103 [2020-10-27 22:33:25,560 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=122, Invalid=298, Unknown=0, NotChecked=0, Total=420 [2020-10-27 22:33:25,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2020-10-27 22:33:25,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 89. [2020-10-27 22:33:25,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2020-10-27 22:33:25,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 116 transitions. [2020-10-27 22:33:25,591 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 116 transitions. Word has length 179 [2020-10-27 22:33:25,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:33:25,592 INFO L481 AbstractCegarLoop]: Abstraction has 89 states and 116 transitions. [2020-10-27 22:33:25,592 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 22:33:25,592 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 116 transitions. [2020-10-27 22:33:25,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2020-10-27 22:33:25,595 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:33:25,595 INFO L422 BasicCegarLoop]: trace histogram [51, 51, 41, 25, 25, 25, 25, 25, 25, 25, 16, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:33:25,595 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-27 22:33:25,595 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:33:25,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:33:25,596 INFO L82 PathProgramCache]: Analyzing trace with hash 1063352715, now seen corresponding path program 11 times [2020-10-27 22:33:25,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:33:25,596 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [350900985] [2020-10-27 22:33:25,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:33:25,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:25,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:25,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:25,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:25,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:25,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:25,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:25,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:25,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:26,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:26,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:26,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:26,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:26,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:26,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:26,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:26,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:26,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:28,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:28,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:28,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:28,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:28,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:30,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:30,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 466 [2020-10-27 22:33:30,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 22 [2020-10-27 22:33:30,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5073 [2020-10-27 22:33:30,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:30,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-27 22:33:30,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 22:33:30,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 249 [2020-10-27 22:33:30,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:30,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:33:30,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:30,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:30,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:30,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:33:30,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:30,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:33:30,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:30,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:33:30,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:30,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:33:30,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:30,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:33:30,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:30,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:30,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:31,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:31,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:31,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:31,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:31,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:33,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:33,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:33,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:34,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:34,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:34,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:34,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:34,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:34,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:34,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:35,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:35,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:35,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:35,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:35,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:35,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:35,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 450 [2020-10-27 22:33:35,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 22 [2020-10-27 22:33:35,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-27 22:33:35,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:35,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-27 22:33:35,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:33:35,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 287 [2020-10-27 22:33:35,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:35,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:33:35,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:35,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:35,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:35,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:36,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:36,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:36,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:36,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:36,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:36,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:36,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:36,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:36,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:39,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:39,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:39,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:40,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:40,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:40,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:40,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:40,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:40,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-27 22:33:40,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-27 22:33:40,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-27 22:33:40,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:40,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 22:33:40,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:40,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 219 [2020-10-27 22:33:40,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:40,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:33:40,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:40,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:40,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:41,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:41,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:41,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:41,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:41,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:41,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:41,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:41,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:41,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:41,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:41,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:41,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:42,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:42,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:42,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:42,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:42,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:42,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:43,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:43,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:43,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:43,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:43,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:43,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:43,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:43,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:44,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:44,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:44,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:44,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:44,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:44,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:44,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:45,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:45,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:45,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:45,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:45,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 22:33:45,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 38 [2020-10-27 22:33:45,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 22:33:45,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:45,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-27 22:33:45,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:45,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-27 22:33:45,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:46,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:33:46,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:46,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:46,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:46,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:46,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:46,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:46,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:46,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:46,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:46,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:46,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:46,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:46,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:46,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:50,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:51,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:51,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:51,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:33:51,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-27 22:33:51,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-27 22:33:51,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:51,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:33:51,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:51,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 22:33:51,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:51,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:33:51,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:51,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:51,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:51,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:33:51,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:51,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:33:51,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:51,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:33:51,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:51,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:33:51,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:51,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:33:51,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:51,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:51,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:51,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:33:51,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:51,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:33:51,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:51,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:33:51,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:51,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:33:51,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:51,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:33:51,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:51,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:51,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:51,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:33:51,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:51,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:33:51,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:51,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:33:51,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:51,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:33:51,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:51,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:33:51,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:51,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:51,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:51,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:33:51,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:51,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:33:51,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:51,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:33:51,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:51,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:33:51,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:51,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:33:51,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:51,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:51,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:51,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:33:51,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:51,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:33:51,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:51,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:33:51,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:51,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:33:51,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:51,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:33:51,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:51,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:51,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:51,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:51,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:51,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:33:51,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:33:51,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-27 22:33:51,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:51,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:33:51,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:51,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:33:51,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:51,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:33:51,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:51,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:51,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:51,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:33:51,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:51,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:33:51,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:51,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:33:51,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:51,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:33:51,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:51,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:33:51,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:51,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:51,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:51,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:33:51,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:51,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:33:51,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:51,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:33:51,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:51,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:33:51,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:51,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 22:33:51,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:51,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:51,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:51,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:33:51,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:51,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:33:51,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:51,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:33:51,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:51,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:33:51,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:51,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:33:51,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:51,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:51,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:51,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:33:51,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:51,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:33:51,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:51,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:33:51,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:51,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:33:51,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:51,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:33:51,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:51,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:51,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:51,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:33:51,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:51,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:33:51,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:51,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:33:51,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:51,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:33:51,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:51,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:33:51,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:51,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:51,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:51,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:33:51,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:51,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:33:51,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:51,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:33:51,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:51,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:33:51,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:51,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:33:51,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:51,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:51,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:51,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:33:51,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:51,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:33:51,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:51,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:33:51,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:51,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:33:51,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:51,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-27 22:33:51,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:51,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:51,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:51,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:33:51,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:51,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 22:33:51,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:51,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:33:51,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:51,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 22:33:51,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:51,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:33:51,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:51,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:51,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:51,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:33:51,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:51,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:33:51,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:51,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:33:51,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:51,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:33:51,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:51,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:33:51,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:51,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:51,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:51,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:33:51,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:51,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:33:51,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:51,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:33:51,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:51,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:33:51,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:51,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:33:51,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:51,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:51,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:51,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:33:51,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:51,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:33:51,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:51,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:33:51,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:51,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:33:51,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:51,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:33:51,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:51,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:51,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:51,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:33:51,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:51,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:33:51,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:51,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:33:51,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:51,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:33:51,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:51,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:33:51,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:51,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:51,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:51,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:33:51,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:51,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:33:51,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:51,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:33:51,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:51,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:33:51,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:51,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:33:51,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:51,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:51,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:51,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:33:51,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:51,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:33:51,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:51,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:33:51,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:51,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:33:51,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:51,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:33:51,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:51,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:51,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:51,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:33:51,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:51,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:33:51,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:51,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:33:51,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:51,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:33:51,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:51,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:33:51,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:51,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:51,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:51,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:33:51,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:51,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:33:51,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:51,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:33:51,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:51,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:33:51,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:51,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-27 22:33:51,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:51,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:51,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:51,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:51,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:51,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:51,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:51,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:51,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:51,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:52,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:56,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:56,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-27 22:33:56,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 22:33:56,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 22:33:56,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:56,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 22:33:56,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:33:56,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 218 [2020-10-27 22:33:56,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:56,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:33:56,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:56,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:56,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:56,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:56,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:56,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:56,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:56,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:57,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:57,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:57,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:57,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:01,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:01,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 22:34:01,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-27 22:34:01,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 22:34:01,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:01,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:34:01,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:34:01,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-27 22:34:01,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:01,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:34:01,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:01,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:01,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:01,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:34:01,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:34:01,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 22:34:01,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:01,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:34:01,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:34:01,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 22:34:01,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:01,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:34:01,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:01,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:01,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:01,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:34:01,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:34:01,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:34:01,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:01,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:34:01,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:34:01,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:34:01,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:01,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:34:01,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:01,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:01,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:01,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:34:01,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:34:01,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:34:01,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:01,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:34:01,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:34:01,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:34:01,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:01,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:34:01,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:01,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:01,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:01,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:34:01,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:34:01,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:34:01,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:01,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:34:01,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:34:01,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:34:01,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:01,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:34:01,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:01,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:01,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:01,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:34:01,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:34:01,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:34:01,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:01,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:34:01,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:34:01,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:34:01,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:01,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:34:01,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:01,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:01,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:01,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:34:01,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:34:01,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:34:01,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:01,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:34:01,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:34:01,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:34:01,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:01,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:34:01,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:01,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:01,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:01,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:34:01,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:34:01,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:34:01,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:01,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:34:01,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:34:01,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:34:01,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:01,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:34:01,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:01,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:01,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:01,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:34:01,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:34:01,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:34:01,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:01,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:34:01,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:34:01,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:34:01,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:01,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:34:01,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:01,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:01,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:01,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:34:01,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:34:01,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:34:01,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:01,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:34:01,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:34:01,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:34:01,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:01,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 22:34:01,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:01,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:01,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:01,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:01,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:01,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:01,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:01,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:34:01,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:34:01,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 287 [2020-10-27 22:34:01,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:01,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:34:01,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:34:01,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 22:34:01,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:01,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:34:01,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:01,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:01,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:01,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:01,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:01,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:34:01,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:34:01,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-27 22:34:01,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:01,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:34:01,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:34:01,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:34:01,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:02,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:34:02,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:02,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:02,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:02,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:34:02,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:34:02,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:34:02,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:02,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:34:02,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:34:02,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:34:02,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:02,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:34:02,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:02,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:02,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:02,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:34:02,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:34:02,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:34:02,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:02,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:34:02,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:34:02,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:34:02,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:02,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:34:02,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:02,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:02,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:02,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:34:02,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:34:02,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:34:02,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:02,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:34:02,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:34:02,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:34:02,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:02,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-27 22:34:02,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:02,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:02,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:02,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:34:02,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:34:02,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 22:34:02,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:02,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:34:02,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:34:02,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 22:34:02,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:02,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:34:02,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:02,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:02,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:02,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:34:02,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:34:02,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:34:02,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:02,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:34:02,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:34:02,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:34:02,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:02,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:34:02,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:02,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:02,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:02,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:34:02,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:34:02,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:34:02,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:02,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:34:02,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:34:02,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:34:02,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:02,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:34:02,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:02,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:02,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:02,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:34:02,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:34:02,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:34:02,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:02,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:34:02,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:34:02,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:34:02,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:02,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:34:02,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:02,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:02,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:02,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:34:02,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:34:02,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:34:02,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:02,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:34:02,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:34:02,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:34:02,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:02,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:34:02,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:02,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:02,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:02,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:34:02,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:34:02,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:34:02,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:02,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:34:02,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:34:02,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:34:02,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:02,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:34:02,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:02,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:02,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:02,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:34:02,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:34:02,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:34:02,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:02,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:34:02,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:34:02,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:34:02,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:02,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:34:02,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:02,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:02,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:02,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:34:02,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:34:02,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:34:02,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:02,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:34:02,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:34:02,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:34:02,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:02,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:34:02,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:02,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:02,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:02,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:34:02,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:34:02,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:34:02,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:02,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:34:02,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:34:02,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:34:02,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:02,266 INFO L134 CoverageAnalysis]: Checked inductivity of 7120 backedges. 965 proven. 1318 refuted. 0 times theorem prover too weak. 4837 trivial. 0 not checked. [2020-10-27 22:34:02,266 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [350900985] [2020-10-27 22:34:02,266 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:34:02,266 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-27 22:34:02,267 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978870730] [2020-10-27 22:34:02,267 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-27 22:34:02,267 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:34:02,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-27 22:34:02,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=277, Unknown=0, NotChecked=0, Total=342 [2020-10-27 22:34:02,268 INFO L87 Difference]: Start difference. First operand 89 states and 116 transitions. Second operand 19 states. [2020-10-27 22:34:04,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:34:04,796 INFO L93 Difference]: Finished difference Result 233 states and 373 transitions. [2020-10-27 22:34:04,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-27 22:34:04,797 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 356 [2020-10-27 22:34:04,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:34:04,800 INFO L225 Difference]: With dead ends: 233 [2020-10-27 22:34:04,800 INFO L226 Difference]: Without dead ends: 134 [2020-10-27 22:34:04,803 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 101 SyntacticMatches, 4 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 368 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=446, Invalid=1534, Unknown=0, NotChecked=0, Total=1980 [2020-10-27 22:34:04,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-10-27 22:34:04,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 110. [2020-10-27 22:34:04,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-10-27 22:34:04,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 145 transitions. [2020-10-27 22:34:04,823 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 145 transitions. Word has length 356 [2020-10-27 22:34:04,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:34:04,824 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 145 transitions. [2020-10-27 22:34:04,824 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-27 22:34:04,824 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 145 transitions. [2020-10-27 22:34:04,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 466 [2020-10-27 22:34:04,827 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:34:04,828 INFO L422 BasicCegarLoop]: trace histogram [67, 67, 54, 33, 33, 33, 33, 33, 33, 33, 21, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:34:04,828 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-27 22:34:04,828 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:34:04,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:34:04,829 INFO L82 PathProgramCache]: Analyzing trace with hash -222185435, now seen corresponding path program 12 times [2020-10-27 22:34:04,829 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:34:04,829 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [696472118] [2020-10-27 22:34:04,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:34:04,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:05,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:05,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:05,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:05,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:05,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:06,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:07,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:09,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:09,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 607 [2020-10-27 22:34:09,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 22:34:09,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-27 22:34:09,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:09,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 22:34:09,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 22:34:09,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 442 [2020-10-27 22:34:09,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:10,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:34:10,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:10,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:10,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:10,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:34:10,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:34:10,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:34:10,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:10,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:34:10,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:34:10,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:34:10,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:10,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:34:10,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:10,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:10,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:10,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:10,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:10,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:10,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:10,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:10,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:10,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:12,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:15,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:15,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 591 [2020-10-27 22:34:15,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 22:34:15,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-27 22:34:15,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:15,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-27 22:34:15,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:34:15,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 588 [2020-10-27 22:34:15,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:15,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:34:15,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:15,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:15,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:15,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:15,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:15,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:15,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:18,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:19,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:20,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:20,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 362 [2020-10-27 22:34:20,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 22:34:20,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-27 22:34:20,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:20,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 22:34:20,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:34:20,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 360 [2020-10-27 22:34:20,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:20,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:34:20,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:20,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:20,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:20,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:20,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:20,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:20,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:20,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:20,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:20,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking...