/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_2calls_5-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 22:35:02,203 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 22:35:02,206 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 22:35:02,251 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 22:35:02,252 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 22:35:02,254 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 22:35:02,256 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 22:35:02,258 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 22:35:02,261 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 22:35:02,262 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 22:35:02,263 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 22:35:02,265 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 22:35:02,265 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 22:35:02,267 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 22:35:02,268 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 22:35:02,269 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 22:35:02,270 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 22:35:02,272 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 22:35:02,274 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 22:35:02,276 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 22:35:02,278 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 22:35:02,280 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 22:35:02,282 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 22:35:02,283 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 22:35:02,294 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 22:35:02,294 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 22:35:02,294 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 22:35:02,295 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 22:35:02,298 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 22:35:02,300 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 22:35:02,303 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 22:35:02,304 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 22:35:02,305 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 22:35:02,308 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 22:35:02,310 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 22:35:02,310 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 22:35:02,312 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 22:35:02,312 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 22:35:02,312 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 22:35:02,314 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 22:35:02,315 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 22:35:02,316 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 22:35:02,377 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 22:35:02,377 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 22:35:02,380 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 22:35:02,381 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 22:35:02,381 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 22:35:02,382 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 22:35:02,383 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 22:35:02,383 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 22:35:02,383 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 22:35:02,383 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 22:35:02,384 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 22:35:02,385 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 22:35:02,385 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 22:35:02,385 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 22:35:02,385 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 22:35:02,385 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 22:35:02,386 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 22:35:02,386 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 22:35:02,386 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 22:35:02,387 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 22:35:02,387 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 22:35:02,387 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 22:35:02,387 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 22:35:02,387 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 22:35:02,388 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 22:35:02,388 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 22:35:02,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 22:35:02,388 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 22:35:02,388 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 22:35:02,389 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 22:35:02,802 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 22:35:02,829 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 22:35:02,832 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 22:35:02,834 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 22:35:02,834 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 22:35:02,835 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_5-1.c [2020-10-27 22:35:02,926 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/921ab607a/680627c662d9411f957909e52a22bfe3/FLAG0fa2fe2fd [2020-10-27 22:35:03,644 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 22:35:03,644 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_2calls_5-1.c [2020-10-27 22:35:03,652 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/921ab607a/680627c662d9411f957909e52a22bfe3/FLAG0fa2fe2fd [2020-10-27 22:35:04,014 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/921ab607a/680627c662d9411f957909e52a22bfe3 [2020-10-27 22:35:04,020 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 22:35:04,031 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 22:35:04,035 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 22:35:04,035 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 22:35:04,039 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 22:35:04,040 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 10:35:04" (1/1) ... [2020-10-27 22:35:04,045 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ef68179 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:35:04, skipping insertion in model container [2020-10-27 22:35:04,045 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 10:35:04" (1/1) ... [2020-10-27 22:35:04,054 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 22:35:04,073 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 22:35:04,248 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 22:35:04,260 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 22:35:04,281 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 22:35:04,299 INFO L208 MainTranslator]: Completed translation [2020-10-27 22:35:04,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:35:04 WrapperNode [2020-10-27 22:35:04,300 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 22:35:04,301 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 22:35:04,301 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 22:35:04,301 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 22:35:04,316 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:35:04" (1/1) ... [2020-10-27 22:35:04,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:35:04" (1/1) ... [2020-10-27 22:35:04,324 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:35:04" (1/1) ... [2020-10-27 22:35:04,325 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:35:04" (1/1) ... [2020-10-27 22:35:04,332 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:35:04" (1/1) ... [2020-10-27 22:35:04,334 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:35:04" (1/1) ... [2020-10-27 22:35:04,336 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:35:04" (1/1) ... [2020-10-27 22:35:04,338 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 22:35:04,339 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 22:35:04,339 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 22:35:04,340 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 22:35:04,341 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:35:04" (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 22:35:04,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 22:35:04,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 22:35:04,428 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 22:35:04,428 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-10-27 22:35:04,428 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-10-27 22:35:04,429 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 22:35:04,429 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 22:35:04,429 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 22:35:04,429 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 22:35:04,429 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 22:35:04,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 22:35:04,430 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-10-27 22:35:04,430 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-10-27 22:35:04,430 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 22:35:04,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 22:35:04,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 22:35:04,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 22:35:04,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 22:35:04,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 22:35:04,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 22:35:04,857 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 22:35:04,858 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-27 22:35:04,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:35:04 BoogieIcfgContainer [2020-10-27 22:35:04,860 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 22:35:04,863 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 22:35:04,865 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 22:35:04,869 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 22:35:04,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 10:35:04" (1/3) ... [2020-10-27 22:35:04,870 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e070b5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:35:04, skipping insertion in model container [2020-10-27 22:35:04,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:35:04" (2/3) ... [2020-10-27 22:35:04,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e070b5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:35:04, skipping insertion in model container [2020-10-27 22:35:04,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:35:04" (3/3) ... [2020-10-27 22:35:04,875 INFO L111 eAbstractionObserver]: Analyzing ICFG fibo_2calls_5-1.c [2020-10-27 22:35:04,890 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 22:35:04,897 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 22:35:04,914 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 22:35:04,966 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 22:35:04,967 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 22:35:04,967 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 22:35:04,967 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 22:35:04,967 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 22:35:04,968 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 22:35:04,968 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 22:35:04,968 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 22:35:04,995 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2020-10-27 22:35:05,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-27 22:35:05,004 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:35:05,005 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:35:05,005 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:35:05,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:35:05,015 INFO L82 PathProgramCache]: Analyzing trace with hash 219823047, now seen corresponding path program 1 times [2020-10-27 22:35:05,033 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:35:05,036 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1026632039] [2020-10-27 22:35:05,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:35:05,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:05,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:05,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:05,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 22:35:05,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:05,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 347 [2020-10-27 22:35:05,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:05,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:35:05,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 22:35:05,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:35:05,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-27 22:35:05,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:35:05,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:05,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:05,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:05,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:35:05,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:05,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 22:35:05,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:05,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:35:05,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:05,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:35:05,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:05,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:35:05,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:05,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:05,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:05,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:35:05,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:05,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 22:35:05,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:05,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:35:05,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:35:05,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:35:05,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:05,827 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 22:35:05,828 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1026632039] [2020-10-27 22:35:05,831 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:35:05,831 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 22:35:05,833 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675703290] [2020-10-27 22:35:05,838 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 22:35:05,839 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:35:05,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 22:35:05,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-27 22:35:05,857 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 6 states. [2020-10-27 22:35:06,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:35:06,262 INFO L93 Difference]: Finished difference Result 50 states and 60 transitions. [2020-10-27 22:35:06,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 22:35:06,264 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-10-27 22:35:06,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:35:06,275 INFO L225 Difference]: With dead ends: 50 [2020-10-27 22:35:06,275 INFO L226 Difference]: Without dead ends: 32 [2020-10-27 22:35:06,279 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 22:35:06,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-10-27 22:35:06,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2020-10-27 22:35:06,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-10-27 22:35:06,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-10-27 22:35:06,337 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 15 [2020-10-27 22:35:06,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:35:06,337 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-10-27 22:35:06,338 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 22:35:06,338 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-10-27 22:35:06,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-27 22:35:06,340 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:35:06,340 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:35:06,340 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 22:35:06,340 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:35:06,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:35:06,341 INFO L82 PathProgramCache]: Analyzing trace with hash -1220716726, now seen corresponding path program 1 times [2020-10-27 22:35:06,342 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:35:06,342 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1826275551] [2020-10-27 22:35:06,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:35:06,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:06,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:06,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:06,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 22:35:06,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:06,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 184 [2020-10-27 22:35:06,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:06,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:35:06,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 22:35:06,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:35:06,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:35:06,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:35:06,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:06,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:06,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:06,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:35:06,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:06,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 22:35:06,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:06,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:35:06,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:06,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:35:06,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:06,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:35:06,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:06,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:06,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:06,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:35:06,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:06,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 22:35:06,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:06,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:35:06,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:35:06,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:35:06,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:06,763 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 22:35:06,764 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1826275551] [2020-10-27 22:35:06,764 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:35:06,764 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 22:35:06,765 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248007717] [2020-10-27 22:35:06,766 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 22:35:06,767 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:35:06,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 22:35:06,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-27 22:35:06,768 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 6 states. [2020-10-27 22:35:07,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:35:07,157 INFO L93 Difference]: Finished difference Result 39 states and 47 transitions. [2020-10-27 22:35:07,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 22:35:07,159 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2020-10-27 22:35:07,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:35:07,161 INFO L225 Difference]: With dead ends: 39 [2020-10-27 22:35:07,162 INFO L226 Difference]: Without dead ends: 34 [2020-10-27 22:35:07,163 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 22:35:07,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-10-27 22:35:07,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2020-10-27 22:35:07,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-10-27 22:35:07,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-10-27 22:35:07,190 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 16 [2020-10-27 22:35:07,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:35:07,191 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-10-27 22:35:07,192 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 22:35:07,192 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-10-27 22:35:07,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-27 22:35:07,196 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:35:07,196 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:35:07,197 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 22:35:07,197 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:35:07,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:35:07,198 INFO L82 PathProgramCache]: Analyzing trace with hash 2083135015, now seen corresponding path program 1 times [2020-10-27 22:35:07,198 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:35:07,199 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [7569057] [2020-10-27 22:35:07,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:35:07,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:07,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:07,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:07,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:07,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:07,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 22:35:07,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:35:07,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 747 [2020-10-27 22:35:07,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:07,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:35:07,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 22:35:07,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:35:07,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:35:08,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:35:08,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:08,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:08,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:08,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:35:08,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:08,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:35:08,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:08,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:35:08,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:08,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:35:08,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:08,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:35:08,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:08,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:08,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:08,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 22:35:08,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:08,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 22:35:08,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:08,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:35:08,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 22:35:08,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:35:08,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:08,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:35:08,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:08,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:08,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:08,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:35:08,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:08,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:35:08,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:08,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:35:08,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:35:08,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:35:08,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:08,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:35:08,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:08,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:08,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:08,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:35:08,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:08,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:35:08,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:08,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:35:08,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:35:08,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:35:08,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:08,127 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-27 22:35:08,127 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [7569057] [2020-10-27 22:35:08,127 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:35:08,128 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 22:35:08,128 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205385619] [2020-10-27 22:35:08,128 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 22:35:08,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:35:08,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 22:35:08,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-27 22:35:08,130 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 7 states. [2020-10-27 22:35:08,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:35:08,406 INFO L93 Difference]: Finished difference Result 61 states and 81 transitions. [2020-10-27 22:35:08,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 22:35:08,407 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2020-10-27 22:35:08,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:35:08,409 INFO L225 Difference]: With dead ends: 61 [2020-10-27 22:35:08,409 INFO L226 Difference]: Without dead ends: 36 [2020-10-27 22:35:08,410 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2020-10-27 22:35:08,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2020-10-27 22:35:08,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 34. [2020-10-27 22:35:08,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2020-10-27 22:35:08,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 41 transitions. [2020-10-27 22:35:08,421 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 41 transitions. Word has length 28 [2020-10-27 22:35:08,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:35:08,421 INFO L481 AbstractCegarLoop]: Abstraction has 34 states and 41 transitions. [2020-10-27 22:35:08,421 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 22:35:08,421 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2020-10-27 22:35:08,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-27 22:35:08,424 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:35:08,424 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:35:08,424 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 22:35:08,424 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:35:08,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:35:08,425 INFO L82 PathProgramCache]: Analyzing trace with hash 752879968, now seen corresponding path program 1 times [2020-10-27 22:35:08,425 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:35:08,426 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1754105287] [2020-10-27 22:35:08,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:35:08,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:08,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:08,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:08,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:08,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-27 22:35:08,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:35:08,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 310 [2020-10-27 22:35:08,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:08,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:35:08,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 22:35:08,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 22:35:08,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:08,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:35:08,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:08,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:08,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:08,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:35:08,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:08,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:35:08,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:08,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:35:08,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:08,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:35:08,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:08,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:35:08,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:08,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:08,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:08,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:08,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:35:08,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:35:08,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-27 22:35:08,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:08,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:35:08,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:35:08,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:35:08,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:08,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:35:08,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:08,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:08,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:08,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:35:08,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:08,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:35:08,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:08,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:35:08,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:08,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:35:08,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:08,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:35:08,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:08,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:08,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:08,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:35:08,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:08,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:35:08,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:08,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:35:08,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:08,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:35:08,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:08,965 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-27 22:35:08,966 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1754105287] [2020-10-27 22:35:08,966 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:35:08,966 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 22:35:08,967 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727025239] [2020-10-27 22:35:08,967 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 22:35:08,967 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:35:08,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 22:35:08,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-27 22:35:08,968 INFO L87 Difference]: Start difference. First operand 34 states and 41 transitions. Second operand 8 states. [2020-10-27 22:35:09,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:35:09,344 INFO L93 Difference]: Finished difference Result 42 states and 50 transitions. [2020-10-27 22:35:09,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 22:35:09,345 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 29 [2020-10-27 22:35:09,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:35:09,347 INFO L225 Difference]: With dead ends: 42 [2020-10-27 22:35:09,347 INFO L226 Difference]: Without dead ends: 37 [2020-10-27 22:35:09,348 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-27 22:35:09,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-10-27 22:35:09,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 35. [2020-10-27 22:35:09,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-10-27 22:35:09,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 42 transitions. [2020-10-27 22:35:09,358 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 42 transitions. Word has length 29 [2020-10-27 22:35:09,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:35:09,358 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 42 transitions. [2020-10-27 22:35:09,359 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 22:35:09,359 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 42 transitions. [2020-10-27 22:35:09,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-27 22:35:09,360 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:35:09,360 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:35:09,360 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 22:35:09,361 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:35:09,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:35:09,361 INFO L82 PathProgramCache]: Analyzing trace with hash 1703344845, now seen corresponding path program 1 times [2020-10-27 22:35:09,362 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:35:09,362 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2098615781] [2020-10-27 22:35:09,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:35:09,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:09,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:09,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:09,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:09,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:09,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:09,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 22:35:09,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 22:35:09,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 439 [2020-10-27 22:35:09,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:09,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:35:09,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 22:35:09,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 22:35:09,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:09,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:35:09,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:09,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:09,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:09,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:35:09,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:09,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:35:09,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:09,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:35:09,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:09,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:35:09,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:09,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:35:09,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:09,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:09,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:09,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:09,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 22:35:09,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:35:09,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-27 22:35:09,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:09,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:35:09,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:35:09,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 22:35:09,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:09,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:35:09,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:09,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:09,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:09,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:35:09,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:09,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:35:09,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:09,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:35:09,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:09,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:35:09,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:09,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:35:09,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:09,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:09,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:09,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:09,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:35:09,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:35:09,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 22:35:09,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:09,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:35:09,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:35:09,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:35:09,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:10,025 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-27 22:35:10,026 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2098615781] [2020-10-27 22:35:10,026 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:35:10,026 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-27 22:35:10,027 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497516622] [2020-10-27 22:35:10,027 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 22:35:10,027 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:35:10,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 22:35:10,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-27 22:35:10,029 INFO L87 Difference]: Start difference. First operand 35 states and 42 transitions. Second operand 8 states. [2020-10-27 22:35:10,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:35:10,456 INFO L93 Difference]: Finished difference Result 70 states and 96 transitions. [2020-10-27 22:35:10,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 22:35:10,458 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 30 [2020-10-27 22:35:10,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:35:10,460 INFO L225 Difference]: With dead ends: 70 [2020-10-27 22:35:10,460 INFO L226 Difference]: Without dead ends: 42 [2020-10-27 22:35:10,461 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-27 22:35:10,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-10-27 22:35:10,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 39. [2020-10-27 22:35:10,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-10-27 22:35:10,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 48 transitions. [2020-10-27 22:35:10,489 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 48 transitions. Word has length 30 [2020-10-27 22:35:10,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:35:10,489 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 48 transitions. [2020-10-27 22:35:10,489 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 22:35:10,489 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 48 transitions. [2020-10-27 22:35:10,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-27 22:35:10,493 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:35:10,494 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:35:10,494 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 22:35:10,494 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:35:10,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:35:10,495 INFO L82 PathProgramCache]: Analyzing trace with hash -388953478, now seen corresponding path program 1 times [2020-10-27 22:35:10,496 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:35:10,496 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1076278182] [2020-10-27 22:35:10,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:35:10,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:10,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:10,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:10,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:10,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:10,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:11,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:11,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:14,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:14,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-27 22:35:14,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 22:35:14,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4129 [2020-10-27 22:35:14,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:14,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:35:14,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-27 22:35:14,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:35:14,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:14,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:35:14,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:14,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:14,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:14,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:35:14,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:14,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:35:14,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:14,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:35:14,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:14,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:35:14,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:14,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:35:14,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:14,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:14,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:14,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:14,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:15,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:15,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 22:35:15,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 22:35:15,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 495 [2020-10-27 22:35:15,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:15,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:35:15,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-27 22:35:15,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:35:15,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:15,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:35:15,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:15,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:15,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:15,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 22:35:15,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:15,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 22:35:15,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:15,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:35:15,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 22:35:15,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:35:15,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:15,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:35:15,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:15,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:15,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:15,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:35:15,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:15,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:35:15,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:15,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:35:15,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:35:15,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:35:15,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:15,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:35:15,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:15,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:15,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:15,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:35:15,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:15,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:35:15,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:15,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:35:15,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:35:15,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:35:15,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:15,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 22:35:15,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:15,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:15,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:15,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:35:15,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:15,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:35:15,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:15,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:35:15,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 22:35:15,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:35:15,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:15,291 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-27 22:35:15,291 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1076278182] [2020-10-27 22:35:15,292 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:35:15,292 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 22:35:15,292 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870715195] [2020-10-27 22:35:15,292 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 22:35:15,293 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:35:15,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 22:35:15,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-27 22:35:15,293 INFO L87 Difference]: Start difference. First operand 39 states and 48 transitions. Second operand 7 states. [2020-10-27 22:35:15,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:35:15,636 INFO L93 Difference]: Finished difference Result 73 states and 98 transitions. [2020-10-27 22:35:15,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 22:35:15,636 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 42 [2020-10-27 22:35:15,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:35:15,638 INFO L225 Difference]: With dead ends: 73 [2020-10-27 22:35:15,638 INFO L226 Difference]: Without dead ends: 41 [2020-10-27 22:35:15,639 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2020-10-27 22:35:15,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-10-27 22:35:15,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2020-10-27 22:35:15,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-10-27 22:35:15,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 50 transitions. [2020-10-27 22:35:15,650 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 50 transitions. Word has length 42 [2020-10-27 22:35:15,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:35:15,651 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 50 transitions. [2020-10-27 22:35:15,651 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 22:35:15,651 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2020-10-27 22:35:15,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-10-27 22:35:15,653 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:35:15,653 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:35:15,653 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 22:35:15,653 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:35:15,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:35:15,654 INFO L82 PathProgramCache]: Analyzing trace with hash 488187527, now seen corresponding path program 1 times [2020-10-27 22:35:15,654 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:35:15,654 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [670160534] [2020-10-27 22:35:15,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:35:15,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:15,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:15,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:15,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:17,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:17,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-27 22:35:17,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:35:17,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1428 [2020-10-27 22:35:17,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:17,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:35:17,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 22:35:17,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-27 22:35:17,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:17,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:35:17,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:17,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:17,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:17,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:35:17,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:17,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:35:17,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:17,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:35:17,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:17,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:35:17,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:17,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:35:17,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:17,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:17,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:17,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:17,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:17,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:35:17,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:35:17,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 841 [2020-10-27 22:35:17,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:17,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:35:17,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:35:17,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:35:17,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:18,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:35:18,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:18,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:18,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:18,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:18,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:35:18,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:35:18,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-27 22:35:18,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:18,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:35:18,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:18,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:35:18,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:18,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:35:18,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:18,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:18,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:18,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:35:18,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:18,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 22:35:18,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:18,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:35:18,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:18,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:35:18,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:18,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:35:18,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:18,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:18,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:18,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:35:18,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:18,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:35:18,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:18,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:35:18,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:18,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:35:18,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:18,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:35:18,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:18,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:18,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:18,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:35:18,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:18,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:35:18,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:18,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:35:18,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:18,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:35:18,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:18,244 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-27 22:35:18,244 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [670160534] [2020-10-27 22:35:18,245 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:35:18,245 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-27 22:35:18,245 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650186414] [2020-10-27 22:35:18,246 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 22:35:18,246 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:35:18,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 22:35:18,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-27 22:35:18,248 INFO L87 Difference]: Start difference. First operand 41 states and 50 transitions. Second operand 10 states. [2020-10-27 22:35:18,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:35:18,712 INFO L93 Difference]: Finished difference Result 61 states and 84 transitions. [2020-10-27 22:35:18,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 22:35:18,712 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 43 [2020-10-27 22:35:18,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:35:18,714 INFO L225 Difference]: With dead ends: 61 [2020-10-27 22:35:18,715 INFO L226 Difference]: Without dead ends: 56 [2020-10-27 22:35:18,716 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2020-10-27 22:35:18,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-10-27 22:35:18,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 50. [2020-10-27 22:35:18,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2020-10-27 22:35:18,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 69 transitions. [2020-10-27 22:35:18,730 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 69 transitions. Word has length 43 [2020-10-27 22:35:18,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:35:18,730 INFO L481 AbstractCegarLoop]: Abstraction has 50 states and 69 transitions. [2020-10-27 22:35:18,731 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 22:35:18,731 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 69 transitions. [2020-10-27 22:35:18,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-27 22:35:18,733 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:35:18,734 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:35:18,734 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 22:35:18,734 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:35:18,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:35:18,735 INFO L82 PathProgramCache]: Analyzing trace with hash -751460799, now seen corresponding path program 1 times [2020-10-27 22:35:18,735 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:35:18,735 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [465929674] [2020-10-27 22:35:18,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:35:18,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:18,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:18,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:18,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:18,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:18,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:18,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:19,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:19,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:19,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:19,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:19,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:19,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:23,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:23,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-27 22:35:23,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-27 22:35:23,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 22:35:23,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:23,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:35:23,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 22:35:23,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 22:35:23,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:23,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:35:23,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:23,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:23,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:23,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:35:23,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:23,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:35:23,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:23,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:35:23,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:23,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:35:23,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:23,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:35:23,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:23,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:23,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:23,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:23,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:24,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:24,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:24,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:24,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:24,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:26,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:26,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-27 22:35:26,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 22:35:26,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3105 [2020-10-27 22:35:26,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:26,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:35:26,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 22:35:26,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 22:35:26,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:26,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:35:26,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:26,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:26,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:26,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:26,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:27,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:27,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 22:35:27,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 22:35:27,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 289 [2020-10-27 22:35:27,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:27,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:35:27,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:35:27,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 22:35:27,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:27,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:35:27,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:27,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:27,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:27,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:27,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:27,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:35:27,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:35:27,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-27 22:35:27,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:27,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:35:27,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:27,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:35:27,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:27,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:35:27,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:27,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:27,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:27,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:27,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:35:27,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:35:27,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 22:35:27,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:27,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:35:27,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:27,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:35:27,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:27,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:35:27,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:27,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:27,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:27,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:35:27,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:27,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:35:27,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:27,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:35:27,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:27,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:35:27,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:27,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:35:27,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:27,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:27,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:27,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:35:27,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:27,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:35:27,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:27,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:35:27,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:35:27,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:35:27,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:27,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 22:35:27,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:27,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:27,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:27,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:35:27,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:27,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:35:27,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:27,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:35:27,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 22:35:27,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:35:27,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:27,455 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-27 22:35:27,456 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [465929674] [2020-10-27 22:35:27,456 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:35:27,456 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-27 22:35:27,456 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578972751] [2020-10-27 22:35:27,460 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 22:35:27,460 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:35:27,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 22:35:27,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-10-27 22:35:27,461 INFO L87 Difference]: Start difference. First operand 50 states and 69 transitions. Second operand 10 states. [2020-10-27 22:35:27,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:35:27,985 INFO L93 Difference]: Finished difference Result 96 states and 148 transitions. [2020-10-27 22:35:27,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 22:35:27,986 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 56 [2020-10-27 22:35:27,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:35:27,988 INFO L225 Difference]: With dead ends: 96 [2020-10-27 22:35:27,988 INFO L226 Difference]: Without dead ends: 53 [2020-10-27 22:35:27,990 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2020-10-27 22:35:27,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-10-27 22:35:28,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 50. [2020-10-27 22:35:28,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2020-10-27 22:35:28,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 68 transitions. [2020-10-27 22:35:28,003 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 68 transitions. Word has length 56 [2020-10-27 22:35:28,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:35:28,003 INFO L481 AbstractCegarLoop]: Abstraction has 50 states and 68 transitions. [2020-10-27 22:35:28,004 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 22:35:28,004 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 68 transitions. [2020-10-27 22:35:28,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-10-27 22:35:28,006 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:35:28,006 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:35:28,006 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 22:35:28,007 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:35:28,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:35:28,007 INFO L82 PathProgramCache]: Analyzing trace with hash -2073039210, now seen corresponding path program 1 times [2020-10-27 22:35:28,007 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:35:28,008 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1034158510] [2020-10-27 22:35:28,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:35:28,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:28,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:28,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:28,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:28,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:28,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:28,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:29,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:29,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:29,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:33,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:33,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-27 22:35:33,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 22:35:33,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 22:35:33,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:33,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:35:33,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 22:35:33,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-27 22:35:33,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:33,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:35:33,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:33,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:33,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:33,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:35:33,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:33,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:35:33,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:33,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:35:33,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:33,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:35:33,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:33,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:35:33,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:33,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:33,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:33,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:33,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:33,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:33,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:33,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-27 22:35:33,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:35:33,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 762 [2020-10-27 22:35:33,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:33,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:35:33,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:35:33,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-27 22:35:33,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:33,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:35:33,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:33,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:33,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:33,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:33,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:33,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:34,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:35,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:35,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:35:35,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:35:35,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1165 [2020-10-27 22:35:35,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:35,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:35:35,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:35,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 22:35:35,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:35,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:35:35,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:35,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:35,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:35,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:35:35,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:35,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:35:35,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:35,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:35:35,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:35,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:35:35,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:35,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:35:35,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:35,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:35,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:35,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:35:35,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:35,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:35:35,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:35,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:35:35,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:35,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:35:35,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:35,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:35:35,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:35,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:35,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:35,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:35:35,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:35,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:35:35,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:35,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:35:35,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:35,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:35:35,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:35,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:35:35,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:35,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:35,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:35,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:35,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:35:35,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:35:35,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 22:35:35,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:35,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:35:35,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:35,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:35:35,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:35,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:35:35,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:35,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:35,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:35,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:35:35,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:35,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:35:35,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:35,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:35:35,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:35:35,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:35:35,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:35,179 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 24 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-27 22:35:35,179 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1034158510] [2020-10-27 22:35:35,179 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:35:35,180 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-27 22:35:35,180 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823240039] [2020-10-27 22:35:35,180 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 22:35:35,181 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:35:35,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 22:35:35,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-10-27 22:35:35,181 INFO L87 Difference]: Start difference. First operand 50 states and 68 transitions. Second operand 10 states. [2020-10-27 22:35:35,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:35:35,843 INFO L93 Difference]: Finished difference Result 107 states and 172 transitions. [2020-10-27 22:35:35,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 22:35:35,844 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2020-10-27 22:35:35,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:35:35,846 INFO L225 Difference]: With dead ends: 107 [2020-10-27 22:35:35,846 INFO L226 Difference]: Without dead ends: 62 [2020-10-27 22:35:35,847 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2020-10-27 22:35:35,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-10-27 22:35:35,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2020-10-27 22:35:35,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-10-27 22:35:35,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 89 transitions. [2020-10-27 22:35:35,861 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 89 transitions. Word has length 57 [2020-10-27 22:35:35,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:35:35,861 INFO L481 AbstractCegarLoop]: Abstraction has 62 states and 89 transitions. [2020-10-27 22:35:35,861 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 22:35:35,861 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2020-10-27 22:35:35,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-27 22:35:35,863 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:35:35,863 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:35:35,864 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 22:35:35,864 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:35:35,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:35:35,864 INFO L82 PathProgramCache]: Analyzing trace with hash 1562902855, now seen corresponding path program 2 times [2020-10-27 22:35:35,865 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:35:35,865 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1542403246] [2020-10-27 22:35:35,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:35:35,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:35,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:35,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:35,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:35,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:36,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:36,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:36,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:36,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:36,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:36,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:36,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:36,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:36,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:37,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:37,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:37,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:38,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:39,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:40,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:40,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:40,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-27 22:35:40,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-27 22:35:40,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-27 22:35:40,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:40,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 22:35:40,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 22:35:40,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-27 22:35:40,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:40,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:35:40,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:40,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:40,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:40,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:35:40,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:40,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:35:40,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:40,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:35:40,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:40,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:35:40,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:40,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:35:40,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:40,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:40,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:41,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:41,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:41,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:41,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:41,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:41,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:42,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:42,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:42,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:42,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:42,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:42,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:42,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:42,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:42,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:42,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:42,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:44,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:44,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:44,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:45,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:45,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:45,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:45,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:45,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-27 22:35:45,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 25 [2020-10-27 22:35:45,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 22:35:45,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:45,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 22:35:45,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:35:45,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-27 22:35:45,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:45,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:35:45,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:45,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:45,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:46,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:46,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:46,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:46,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:47,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:47,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:35:47,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:35:47,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1550 [2020-10-27 22:35:47,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:47,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:35:47,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:47,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 22:35:47,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:47,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:35:47,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:47,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:47,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:47,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:47,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:47,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:35:47,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:35:47,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-10-27 22:35:47,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:47,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:35:47,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:47,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:35:47,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:47,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:35:47,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:47,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:47,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:47,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:35:47,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:47,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:35:47,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:47,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:35:47,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:47,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:35:47,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:47,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:35:47,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:47,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:47,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:47,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:35:47,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:47,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 22:35:47,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:47,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:35:47,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:47,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:35:47,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:47,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:35:47,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:47,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:47,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:47,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:35:47,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:47,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:35:47,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:47,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:35:47,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:47,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:35:47,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:47,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:35:47,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:47,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:47,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:47,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:47,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:47,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:48,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:48,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:35:48,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:35:48,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 554 [2020-10-27 22:35:48,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:48,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:35:48,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:35:48,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:35:48,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:48,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:35:48,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:48,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:48,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:48,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:35:48,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:48,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 22:35:48,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:48,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:35:48,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:48,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:35:48,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:48,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:35:48,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:48,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:48,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:48,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:35:48,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:48,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:35:48,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:48,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:35:48,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:48,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:35:48,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:48,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:35:48,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:48,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:48,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:48,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:35:48,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:48,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:35:48,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:48,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:35:48,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:48,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:35:48,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:48,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:35:48,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:48,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:48,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:48,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:35:48,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:48,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:35:48,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:48,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:35:48,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:48,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:35:48,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:48,594 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 37 proven. 51 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-10-27 22:35:48,595 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1542403246] [2020-10-27 22:35:48,595 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:35:48,595 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-27 22:35:48,595 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970551663] [2020-10-27 22:35:48,597 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-27 22:35:48,597 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:35:48,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-27 22:35:48,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2020-10-27 22:35:48,599 INFO L87 Difference]: Start difference. First operand 62 states and 89 transitions. Second operand 16 states. [2020-10-27 22:35:49,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:35:49,827 INFO L93 Difference]: Finished difference Result 138 states and 240 transitions. [2020-10-27 22:35:49,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 22:35:49,827 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 84 [2020-10-27 22:35:49,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:35:49,829 INFO L225 Difference]: With dead ends: 138 [2020-10-27 22:35:49,829 INFO L226 Difference]: Without dead ends: 83 [2020-10-27 22:35:49,831 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=128, Invalid=574, Unknown=0, NotChecked=0, Total=702 [2020-10-27 22:35:49,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-10-27 22:35:49,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 78. [2020-10-27 22:35:49,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-10-27 22:35:49,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 116 transitions. [2020-10-27 22:35:49,865 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 116 transitions. Word has length 84 [2020-10-27 22:35:49,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:35:49,865 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 116 transitions. [2020-10-27 22:35:49,865 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-27 22:35:49,865 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 116 transitions. [2020-10-27 22:35:49,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-27 22:35:49,873 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:35:49,874 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 10, 9, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:35:49,874 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 22:35:49,874 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:35:49,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:35:49,875 INFO L82 PathProgramCache]: Analyzing trace with hash 976536269, now seen corresponding path program 1 times [2020-10-27 22:35:49,875 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:35:49,875 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [81960807] [2020-10-27 22:35:49,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:35:49,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:49,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:49,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:49,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:49,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:50,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:50,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:50,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:50,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:51,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:51,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:51,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:51,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:51,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:52,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:52,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:52,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:52,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:52,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:54,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:54,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:54,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 220 [2020-10-27 22:35:54,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-27 22:35:54,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-27 22:35:54,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:54,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:35:54,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-27 22:35:54,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 22:35:54,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:54,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:35:54,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:54,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:54,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:54,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:35:54,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:54,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:35:54,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:54,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:35:54,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:54,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:35:54,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:54,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:35:54,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:54,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:55,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:55,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:55,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:55,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:55,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:55,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:55,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:55,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:55,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:56,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:56,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:56,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:56,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:56,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:59,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:59,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 204 [2020-10-27 22:35:59,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-27 22:35:59,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-27 22:35:59,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:59,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:35:59,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 112 [2020-10-27 22:35:59,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 22:35:59,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:00,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:00,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:00,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:00,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:00,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:00,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:00,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:00,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:00,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:00,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:00,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:00,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:00,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:00,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:00,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:00,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:00,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:00,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:01,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:01,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:01,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:05,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:05,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-27 22:36:05,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-27 22:36:05,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-27 22:36:05,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:05,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:36:05,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-27 22:36:05,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-27 22:36:05,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:05,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:05,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:05,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:05,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:05,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:36:05,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:05,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:36:05,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:05,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:05,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:05,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:05,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:05,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:05,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:05,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:05,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:05,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:36:05,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:05,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:36:05,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:05,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:05,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:05,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:05,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:05,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:05,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:05,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:05,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:05,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:05,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:05,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:36:05,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:05,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:05,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:05,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:05,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:05,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:36:05,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:05,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:05,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:05,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:36:05,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:05,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:36:05,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:05,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:05,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:05,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:05,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:05,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:36:05,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:05,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:05,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:05,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:05,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:05,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:36:05,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:05,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:05,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:05,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:05,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:05,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:36:05,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:05,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:05,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:05,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:05,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:05,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:05,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:05,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:05,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:05,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:05,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:05,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:05,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:05,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:05,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:05,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:05,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:06,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:06,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:07,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:07,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:07,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:08,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:08,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:08,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:08,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:09,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:10,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:10,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-27 22:36:10,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 26 [2020-10-27 22:36:10,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 22:36:10,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:10,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:36:10,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-27 22:36:10,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 22:36:10,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:10,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:10,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:10,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:10,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:10,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:10,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:10,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:10,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:36:10,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 22:36:10,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-10-27 22:36:10,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:10,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:36:10,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:36:10,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 22:36:10,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:10,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:10,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:10,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:10,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:10,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:10,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:10,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:36:10,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:10,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:36:10,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:10,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:36:10,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:10,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:36:10,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:10,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:10,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:10,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:10,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:10,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:36:10,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:36:10,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 22:36:10,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:10,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:36:10,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:36:10,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:36:10,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:10,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:10,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:10,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:10,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:10,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:10,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:10,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:36:10,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:36:10,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:10,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:36:10,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:10,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:36:10,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:10,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:36:10,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:10,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:10,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:10,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:36:10,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:10,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:36:10,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:10,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:36:10,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:10,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:36:10,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:10,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:36:10,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:10,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:10,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:10,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:10,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:10,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:36:10,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:36:10,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-27 22:36:10,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:10,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:36:10,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:36:10,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 22:36:10,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:10,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:10,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:10,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:10,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:10,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:10,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:10,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:36:10,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:10,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:36:10,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:10,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:36:10,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:10,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:36:10,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:10,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:10,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:10,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:10,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:10,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:36:10,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:36:10,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-27 22:36:10,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:10,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:36:10,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:36:10,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:36:10,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:10,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:10,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:10,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:10,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:10,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:10,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:10,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:36:10,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:10,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:36:10,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:10,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:36:10,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:10,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:36:10,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:10,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:10,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:10,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:36:10,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:10,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:36:10,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:10,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:36:10,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:10,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:36:10,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:10,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-27 22:36:10,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:10,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:10,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:10,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:36:10,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:10,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:36:10,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:10,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:10,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 22:36:10,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:10,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:10,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:10,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:10,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:10,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:10,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:36:10,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:10,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:36:10,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:10,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:10,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:10,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:10,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:10,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:10,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:10,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:10,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:10,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:10,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:10,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:36:10,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:10,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:10,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:10,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:10,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:10,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:36:10,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:10,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:10,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:10,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:36:10,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:10,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:36:10,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:10,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:10,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:10,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:10,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:10,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:36:10,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:10,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:10,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:10,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:10,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:10,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:36:10,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:10,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:10,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:10,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:10,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:10,663 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 202 proven. 129 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2020-10-27 22:36:10,664 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [81960807] [2020-10-27 22:36:10,664 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:36:10,664 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-27 22:36:10,664 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597638140] [2020-10-27 22:36:10,665 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-27 22:36:10,665 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:36:10,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-27 22:36:10,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2020-10-27 22:36:10,666 INFO L87 Difference]: Start difference. First operand 78 states and 116 transitions. Second operand 15 states. [2020-10-27 22:36:11,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:36:11,461 INFO L93 Difference]: Finished difference Result 144 states and 231 transitions. [2020-10-27 22:36:11,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 22:36:11,462 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 166 [2020-10-27 22:36:11,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:36:11,464 INFO L225 Difference]: With dead ends: 144 [2020-10-27 22:36:11,464 INFO L226 Difference]: Without dead ends: 72 [2020-10-27 22:36:11,467 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=118, Invalid=482, Unknown=0, NotChecked=0, Total=600 [2020-10-27 22:36:11,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-10-27 22:36:11,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2020-10-27 22:36:11,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-10-27 22:36:11,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 96 transitions. [2020-10-27 22:36:11,500 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 96 transitions. Word has length 166 [2020-10-27 22:36:11,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:36:11,501 INFO L481 AbstractCegarLoop]: Abstraction has 72 states and 96 transitions. [2020-10-27 22:36:11,501 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-27 22:36:11,501 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 96 transitions. [2020-10-27 22:36:11,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-10-27 22:36:11,506 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:36:11,506 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 12, 12, 12, 10, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:36:11,507 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-27 22:36:11,507 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:36:11,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:36:11,510 INFO L82 PathProgramCache]: Analyzing trace with hash -98230846, now seen corresponding path program 2 times [2020-10-27 22:36:11,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:36:11,511 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [359970521] [2020-10-27 22:36:11,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:36:11,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:11,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:11,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:11,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:11,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:11,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:11,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:11,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:11,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:11,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:11,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:13,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:13,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:16,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:16,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 255 [2020-10-27 22:36:16,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-27 22:36:16,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-27 22:36:16,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:16,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:36:16,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 22:36:16,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-27 22:36:16,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:16,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:36:16,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:16,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:16,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:16,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:36:16,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:16,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:36:16,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:16,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:16,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:16,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:16,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:16,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:36:16,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:16,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:16,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:16,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:16,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:16,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:16,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:16,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:16,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:17,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:17,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:17,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:17,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:17,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:18,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:18,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:18,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:19,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:21,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:21,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:21,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-10-27 22:36:21,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-27 22:36:21,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-27 22:36:21,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:21,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 22:36:21,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 22:36:21,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-27 22:36:21,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:21,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:21,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:21,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:21,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:21,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:21,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:21,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:21,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:21,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:21,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:21,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:21,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:21,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:21,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:21,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:22,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:22,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:24,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:26,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:26,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:26,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 22:36:26,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-27 22:36:26,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-27 22:36:26,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:26,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 22:36:26,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:36:26,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-27 22:36:26,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:26,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:26,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:26,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:26,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:26,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:26,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:26,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:26,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:28,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:28,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:36:28,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:36:28,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1730 [2020-10-27 22:36:28,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:28,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:36:28,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:28,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 22:36:28,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:28,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:28,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:28,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:28,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:28,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:28,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:28,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:36:28,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:36:28,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-27 22:36:28,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:28,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:36:28,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:28,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:36:28,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:28,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:28,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:28,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:28,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:28,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:28,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:28,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:36:28,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:28,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:36:28,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:28,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:36:28,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:28,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:36:28,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:28,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:28,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:28,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:36:28,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:28,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:36:28,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:28,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:36:28,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:28,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:36:28,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:28,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:36:28,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:28,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:28,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:28,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:28,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:28,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:36:28,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:28,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:36:28,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:28,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:36:28,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:28,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:36:28,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:28,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:28,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:28,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:28,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:28,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:28,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:28,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:28,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:28,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:32,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:32,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:36:32,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 22:36:32,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3522 [2020-10-27 22:36:32,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:32,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:36:32,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:36:32,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 22:36:32,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:32,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:32,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:32,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:32,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:32,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:36:32,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:32,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:36:32,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:32,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:36:32,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:32,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:36:32,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:32,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:32,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:32,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:32,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:32,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:36:32,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:32,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:36:32,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:32,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:32,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:32,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:32,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:32,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:32,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:32,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:32,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:32,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:32,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:32,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:36:32,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:32,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:32,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:32,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:32,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:32,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:36:32,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:32,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:32,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:32,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:36:32,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:32,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:36:32,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:32,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:32,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:32,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:32,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:32,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:36:32,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:32,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:32,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:32,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:32,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:32,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:36:32,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:32,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:32,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:32,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:32,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:32,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:36:32,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:32,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:32,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:32,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:32,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:32,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:36:32,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:36:32,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-27 22:36:32,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:32,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:36:32,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:32,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:36:32,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:32,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:32,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:32,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:32,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:32,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:32,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:32,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:36:32,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:36:32,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:32,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:36:32,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:32,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:36:32,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:32,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:36:32,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:32,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:32,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:32,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:36:32,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:32,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:36:32,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:32,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:36:32,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:32,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:36:32,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:32,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-27 22:36:32,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:32,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:32,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:32,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:32,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:32,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:32,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:32,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:32,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:32,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:32,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:34,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:34,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:34,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:36,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:36,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:36,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:36,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:37,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:37,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-27 22:36:37,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-27 22:36:37,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 22:36:37,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:37,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:37,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 95 [2020-10-27 22:36:37,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:37,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:37,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:37,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:37,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:37,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:37,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:37,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:37,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:37,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:37,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:37,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:37,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:38,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:38,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:38,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:38,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:39,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:39,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:40,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:42,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:42,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:36:42,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-27 22:36:42,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 22:36:42,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:42,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:36:42,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:36:42,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-27 22:36:42,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:42,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:42,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:42,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:42,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:42,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:42,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:36:42,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:36:42,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-27 22:36:42,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:42,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:36:42,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:42,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:36:42,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:42,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:42,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:42,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:42,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:42,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:42,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:42,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:36:42,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:42,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:36:42,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:42,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:36:42,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:42,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:36:42,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:42,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:42,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:42,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:36:42,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:42,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:36:42,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:42,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:36:42,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:42,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:36:42,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:42,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:36:42,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:42,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:42,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:42,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:42,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:42,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:42,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:43,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:43,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:36:43,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:36:43,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 551 [2020-10-27 22:36:43,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:43,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:36:43,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:36:43,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:36:43,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:43,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:43,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:43,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:43,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:43,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:43,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:43,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:36:43,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:36:43,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-27 22:36:43,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:43,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:36:43,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:43,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:36:43,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:43,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:43,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:43,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:43,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:43,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:43,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:43,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:36:43,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:43,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:36:43,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:43,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:36:43,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:43,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:36:43,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:43,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:43,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:43,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:36:43,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:43,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:36:43,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:43,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:36:43,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:43,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:36:43,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:43,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:36:43,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:43,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:43,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:43,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:43,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:43,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:36:43,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:43,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:36:43,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:43,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:36:43,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:43,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 22:36:43,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:43,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:43,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:43,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:43,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:43,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:36:43,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:43,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:43,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:43,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:43,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:43,370 INFO L134 CoverageAnalysis]: Checked inductivity of 939 backedges. 252 proven. 313 refuted. 0 times theorem prover too weak. 374 trivial. 0 not checked. [2020-10-27 22:36:43,371 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [359970521] [2020-10-27 22:36:43,371 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:36:43,371 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-27 22:36:43,371 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233774290] [2020-10-27 22:36:43,372 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-27 22:36:43,372 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:36:43,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-27 22:36:43,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=405, Unknown=0, NotChecked=0, Total=462 [2020-10-27 22:36:43,373 INFO L87 Difference]: Start difference. First operand 72 states and 96 transitions. Second operand 22 states. [2020-10-27 22:36:45,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:36:45,468 INFO L93 Difference]: Finished difference Result 164 states and 252 transitions. [2020-10-27 22:36:45,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-27 22:36:45,469 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 193 [2020-10-27 22:36:45,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:36:45,471 INFO L225 Difference]: With dead ends: 164 [2020-10-27 22:36:45,471 INFO L226 Difference]: Without dead ends: 90 [2020-10-27 22:36:45,473 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 52 SyntacticMatches, 2 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 246 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=245, Invalid=1395, Unknown=0, NotChecked=0, Total=1640 [2020-10-27 22:36:45,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2020-10-27 22:36:45,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 85. [2020-10-27 22:36:45,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-10-27 22:36:45,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 108 transitions. [2020-10-27 22:36:45,485 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 108 transitions. Word has length 193 [2020-10-27 22:36:45,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:36:45,486 INFO L481 AbstractCegarLoop]: Abstraction has 85 states and 108 transitions. [2020-10-27 22:36:45,486 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-27 22:36:45,486 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 108 transitions. [2020-10-27 22:36:45,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-10-27 22:36:45,488 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:36:45,489 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 9, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:36:45,489 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-27 22:36:45,489 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:36:45,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:36:45,490 INFO L82 PathProgramCache]: Analyzing trace with hash 1046020530, now seen corresponding path program 3 times [2020-10-27 22:36:45,490 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:36:45,490 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1487050761] [2020-10-27 22:36:45,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:36:45,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:45,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:45,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:45,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:45,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:45,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:45,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:45,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:46,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:50,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:50,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 202 [2020-10-27 22:36:50,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 22:36:50,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-27 22:36:50,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:50,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-27 22:36:50,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 22:36:50,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 145 [2020-10-27 22:36:50,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:50,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:36:50,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:50,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:50,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:50,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:36:50,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:50,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:36:50,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:50,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:50,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:50,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:50,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:50,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:36:50,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:50,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:50,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:50,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:50,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:50,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:50,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:50,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:50,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:51,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:51,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:51,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:51,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:51,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:51,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:51,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:51,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:52,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:55,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:55,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-10-27 22:36:55,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-27 22:36:55,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-27 22:36:55,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:55,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-27 22:36:55,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:36:55,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-27 22:36:55,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:55,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:55,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:55,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:55,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:55,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:55,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:55,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:55,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:55,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:55,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:55,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:55,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:55,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:55,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:56,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:56,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:56,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:56,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:56,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:56,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:56,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:56,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:56,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:56,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:57,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:57,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:57,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:00,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:00,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:37:00,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 25 [2020-10-27 22:37:00,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 22:37:00,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:00,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 22:37:00,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:00,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 22:37:00,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:00,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:00,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:00,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:00,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:00,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:00,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:00,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:01,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:02,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:02,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:37:02,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:37:02,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2074 [2020-10-27 22:37:02,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:02,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:37:02,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:02,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 22:37:02,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:02,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:02,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:02,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:02,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:02,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:02,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:02,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:37:02,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:37:02,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-27 22:37:02,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:02,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:37:02,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:02,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:37:02,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:02,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:03,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:03,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:03,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:03,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:03,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:03,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:37:03,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:03,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:37:03,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:03,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:37:03,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:03,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:37:03,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:03,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:03,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:03,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:37:03,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:03,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:37:03,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:03,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:37:03,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:03,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:37:03,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:03,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:37:03,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:03,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:03,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:03,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:03,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:03,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:37:03,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:03,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:37:03,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:03,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:37:03,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:03,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:37:03,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:03,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:03,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:03,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:37:03,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:03,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:37:03,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:03,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:37:03,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:03,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:37:03,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:03,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:03,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:03,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:03,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:03,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:03,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:03,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:37:03,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:03,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:03,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:03,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:03,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:03,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:37:03,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:03,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:03,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:03,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:37:03,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:03,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:37:03,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:03,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:03,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:03,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:03,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:03,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 22:37:03,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:03,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:03,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:03,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:03,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:03,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:03,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:03,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:03,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:03,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:07,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:07,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:07,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:07,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:07,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:07,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:08,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:08,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:08,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:08,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:08,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-27 22:37:08,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-27 22:37:08,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 22:37:08,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:08,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 22:37:08,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:37:08,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-27 22:37:08,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:08,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:08,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:08,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:08,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:08,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:08,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:08,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:08,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:08,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:08,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:08,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:11,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:11,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:37:11,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 22:37:11,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3254 [2020-10-27 22:37:11,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:11,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:37:11,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:11,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 22:37:11,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:11,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:11,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:11,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:11,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:11,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:37:11,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:11,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 22:37:11,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:11,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:37:11,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:11,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:37:11,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:11,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:11,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:11,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:11,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:11,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:37:11,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:11,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:37:11,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:11,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:11,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:11,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:11,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:11,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:11,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:11,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:11,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:11,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:11,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:11,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:37:11,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:11,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:11,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:11,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:11,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:11,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:37:11,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:11,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:11,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:11,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:37:11,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:11,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:37:11,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:11,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:11,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:11,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:11,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:11,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:37:11,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:11,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:11,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:11,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:11,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:11,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:37:11,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:11,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:11,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:11,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:11,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:11,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:37:11,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:11,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:11,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:11,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:11,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:11,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:37:11,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:37:11,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-27 22:37:11,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:11,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:37:11,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:11,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:37:11,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:11,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:11,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:11,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:11,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:11,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:11,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:11,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:37:11,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:37:11,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:11,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:37:11,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:11,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:37:11,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:11,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:37:11,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:11,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:11,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:11,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:37:11,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:11,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:37:11,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:11,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:37:11,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:11,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:37:11,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:11,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 22:37:11,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:11,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:11,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:11,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:11,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:11,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:37:11,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:11,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:37:11,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:37:11,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:37:11,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:11,742 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 167 proven. 160 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2020-10-27 22:37:11,742 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1487050761] [2020-10-27 22:37:11,742 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:37:11,742 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-10-27 22:37:11,743 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893135896] [2020-10-27 22:37:11,743 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-27 22:37:11,743 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:37:11,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-27 22:37:11,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=365, Unknown=0, NotChecked=0, Total=420 [2020-10-27 22:37:11,744 INFO L87 Difference]: Start difference. First operand 85 states and 108 transitions. Second operand 21 states. [2020-10-27 22:37:13,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:37:13,545 INFO L93 Difference]: Finished difference Result 178 states and 245 transitions. [2020-10-27 22:37:13,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-27 22:37:13,551 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 152 [2020-10-27 22:37:13,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:37:13,554 INFO L225 Difference]: With dead ends: 178 [2020-10-27 22:37:13,554 INFO L226 Difference]: Without dead ends: 100 [2020-10-27 22:37:13,556 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 211 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=236, Invalid=1246, Unknown=0, NotChecked=0, Total=1482 [2020-10-27 22:37:13,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2020-10-27 22:37:13,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 89. [2020-10-27 22:37:13,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2020-10-27 22:37:13,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 108 transitions. [2020-10-27 22:37:13,569 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 108 transitions. Word has length 152 [2020-10-27 22:37:13,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:37:13,570 INFO L481 AbstractCegarLoop]: Abstraction has 89 states and 108 transitions. [2020-10-27 22:37:13,570 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-27 22:37:13,570 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 108 transitions. [2020-10-27 22:37:13,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-27 22:37:13,572 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:37:13,572 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:37:13,573 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-27 22:37:13,573 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:37:13,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:37:13,573 INFO L82 PathProgramCache]: Analyzing trace with hash 2083902716, now seen corresponding path program 4 times [2020-10-27 22:37:13,573 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:37:13,574 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1137396638] [2020-10-27 22:37:13,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:37:13,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:13,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:14,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:14,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-10-27 22:37:14,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:14,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 629 [2020-10-27 22:37:14,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:14,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-10-27 22:37:14,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-27 22:37:14,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-27 22:37:14,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:14,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:37:14,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:14,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:14,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:14,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:37:14,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:14,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:37:14,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:14,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:14,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:14,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:14,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:14,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:37:14,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:14,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:14,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:14,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 22:37:14,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:14,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 322 [2020-10-27 22:37:14,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:14,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-27 22:37:14,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:14,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-10-27 22:37:14,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:14,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:14,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:14,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:14,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:14,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:37:14,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:14,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 168 [2020-10-27 22:37:14,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:14,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 22:37:14,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:14,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-27 22:37:14,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:14,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:14,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:14,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:14,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:14,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:37:14,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:14,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-27 22:37:14,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:14,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:37:14,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:14,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-27 22:37:14,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:15,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:15,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:15,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:15,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:15,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:37:15,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:15,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 22:37:15,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:15,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:37:15,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:15,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 22:37:15,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:15,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:15,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:15,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:15,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:15,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:15,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:15,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:37:15,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:15,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:37:15,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:15,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:37:15,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:15,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:37:15,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:15,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:15,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:15,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:37:15,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:15,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:37:15,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:15,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:37:15,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:15,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:37:15,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:15,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:37:15,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:15,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:15,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:15,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:15,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:15,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:37:15,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:15,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:37:15,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:15,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:37:15,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:15,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:37:15,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:15,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:15,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:15,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:37:15,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:15,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 22:37:15,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:15,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:37:15,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:15,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:37:15,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:15,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:15,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:15,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:15,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:15,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:15,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:15,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:37:15,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:15,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:37:15,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:15,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:37:15,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:15,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:37:15,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:15,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:15,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:15,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:37:15,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:15,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:37:15,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:15,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:37:15,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:15,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:37:15,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:15,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 22:37:15,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:15,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:15,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:15,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:37:15,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:15,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-27 22:37:15,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:15,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 22:37:15,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:15,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:37:15,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:15,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:15,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:15,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:15,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:15,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:37:15,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:15,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 22:37:15,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:15,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:37:15,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:15,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 22:37:15,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:15,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:15,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:15,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:15,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:15,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:15,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:15,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:37:15,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:15,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:37:15,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:15,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:37:15,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:15,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:37:15,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:15,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:15,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:15,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:37:15,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:15,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:37:15,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:15,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:37:15,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:15,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:37:15,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:15,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:37:15,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:15,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:15,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:15,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:15,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:15,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:37:15,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:15,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:37:15,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:15,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:37:15,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:15,780 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2020-10-27 22:37:15,780 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1137396638] [2020-10-27 22:37:15,780 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:37:15,780 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-10-27 22:37:15,780 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352763084] [2020-10-27 22:37:15,781 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-27 22:37:15,781 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:37:15,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-27 22:37:15,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=504, Unknown=0, NotChecked=0, Total=552 [2020-10-27 22:37:15,782 INFO L87 Difference]: Start difference. First operand 89 states and 108 transitions. Second operand 24 states. [2020-10-27 22:37:17,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:37:17,868 INFO L93 Difference]: Finished difference Result 97 states and 117 transitions. [2020-10-27 22:37:17,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-27 22:37:17,869 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 111 [2020-10-27 22:37:17,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:37:17,871 INFO L225 Difference]: With dead ends: 97 [2020-10-27 22:37:17,871 INFO L226 Difference]: Without dead ends: 92 [2020-10-27 22:37:17,872 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 36 SyntacticMatches, 7 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 242 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=141, Invalid=1751, Unknown=0, NotChecked=0, Total=1892 [2020-10-27 22:37:17,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2020-10-27 22:37:17,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 89. [2020-10-27 22:37:17,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2020-10-27 22:37:17,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 108 transitions. [2020-10-27 22:37:17,884 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 108 transitions. Word has length 111 [2020-10-27 22:37:17,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:37:17,884 INFO L481 AbstractCegarLoop]: Abstraction has 89 states and 108 transitions. [2020-10-27 22:37:17,884 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-27 22:37:17,884 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 108 transitions. [2020-10-27 22:37:17,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-10-27 22:37:17,887 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:37:17,887 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 11, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:37:17,887 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-27 22:37:17,888 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:37:17,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:37:17,888 INFO L82 PathProgramCache]: Analyzing trace with hash -743856499, now seen corresponding path program 5 times [2020-10-27 22:37:17,888 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:37:17,889 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1419305505] [2020-10-27 22:37:17,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:37:17,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:17,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:17,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:17,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:17,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:18,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:18,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:18,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:18,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:18,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:18,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:18,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:18,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:18,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:18,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:19,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:19,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:19,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:22,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:22,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-27 22:37:22,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-27 22:37:22,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-27 22:37:22,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:22,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 22:37:22,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 22:37:22,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-27 22:37:22,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:22,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:37:22,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:22,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:22,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:22,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:37:22,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:22,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:37:22,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:22,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:22,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:22,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:22,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:22,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:37:22,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:23,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:23,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:23,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:23,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:23,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:23,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:23,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:23,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:23,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:23,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:27,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:27,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-27 22:37:27,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 22:37:27,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 22:37:27,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:27,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-27 22:37:27,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:37:27,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 184 [2020-10-27 22:37:27,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:28,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:28,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:28,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:28,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:28,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:28,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:28,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:28,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:28,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:28,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:28,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:28,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:28,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:28,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:28,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:28,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:28,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:28,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:28,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:28,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:28,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:28,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:28,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:30,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:30,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:30,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:30,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:30,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:30,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:31,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:31,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:31,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:31,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:31,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:31,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:31,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:31,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:31,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:31,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:32,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:32,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:33,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:33,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-10-27 22:37:33,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 39 [2020-10-27 22:37:33,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-10-27 22:37:33,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:33,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 22:37:33,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:37:33,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-27 22:37:33,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:33,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:33,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:33,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:33,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:33,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:33,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:33,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:33,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:33,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:33,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:33,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:33,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:33,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:34,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:34,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:38,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:38,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:37:38,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-27 22:37:38,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 22:37:38,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:38,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 22:37:38,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:38,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 22:37:38,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:38,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:38,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:38,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:38,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:38,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:38,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:38,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:38,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:38,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:37:38,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:37:38,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 650 [2020-10-27 22:37:38,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:38,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:37:38,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:38,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 22:37:38,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:38,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:38,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:38,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:38,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:38,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:37:38,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:38,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:37:38,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:38,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:37:38,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:38,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:37:38,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:38,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:38,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:38,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:38,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:38,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:38,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:38,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:37:38,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:38,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:38,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:38,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:38,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:38,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:37:38,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:38,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:38,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:38,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:37:38,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:38,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:37:38,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:38,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:38,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:38,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:38,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:38,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:37:38,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:38,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:38,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:38,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:38,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:38,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:37:38,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:38,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:37:38,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:38,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:37:38,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:38,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:37:38,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:38,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:38,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:38,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:38,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:38,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:37:38,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:37:38,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-27 22:37:38,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:38,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:37:38,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:38,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:37:38,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:38,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:38,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:38,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:38,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:38,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:38,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:38,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:37:38,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:37:38,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:38,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:37:38,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:38,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:37:38,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:39,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:37:39,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:39,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:39,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:39,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:37:39,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:39,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:37:39,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:39,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:37:39,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:39,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:37:39,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:39,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 22:37:39,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:39,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:39,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:39,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:39,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:39,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:39,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:39,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:39,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:43,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:43,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:37:43,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 22:37:43,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4411 [2020-10-27 22:37:43,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:43,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:37:43,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:37:43,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 22:37:43,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:43,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:43,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:43,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:43,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:43,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:37:43,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:43,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 22:37:43,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:43,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:37:43,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:43,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:37:43,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:43,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:43,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:43,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:43,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:43,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:37:43,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:43,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:37:43,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:43,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:43,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:43,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:43,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:43,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:43,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:43,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:43,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:43,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:43,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:43,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:37:43,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:43,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:43,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:43,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:43,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:37:43,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:37:43,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:43,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:43,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:43,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:37:43,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:43,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:37:43,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:43,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:43,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:43,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:43,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:43,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:37:43,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:43,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:43,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:43,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:43,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:43,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:37:43,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:43,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:43,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:43,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:43,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:43,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:37:43,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:43,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:43,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:43,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:43,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:43,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:37:43,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:37:43,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-27 22:37:43,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:43,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:37:43,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:43,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:37:43,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:43,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:43,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:43,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:43,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:43,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:43,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:43,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:37:43,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:43,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:37:43,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:43,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:37:43,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:43,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:37:43,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:43,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:43,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:43,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:37:43,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:43,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:37:43,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:43,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:37:43,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:43,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:37:43,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:43,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-27 22:37:43,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:43,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:43,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:43,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:44,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:44,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:37:44,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:37:44,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 311 [2020-10-27 22:37:44,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:44,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:37:44,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:37:44,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:37:44,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:44,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:44,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:44,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:44,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:44,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:44,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:37:44,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:37:44,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-27 22:37:44,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:44,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:37:44,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:44,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:37:44,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:44,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:44,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:44,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:44,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:44,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:44,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:44,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:37:44,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:44,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:37:44,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:44,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:37:44,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:44,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:37:44,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:44,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:44,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:44,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:37:44,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:44,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:37:44,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:44,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:37:44,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:44,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:37:44,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:44,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:37:44,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:44,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:44,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:44,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:44,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:44,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:37:44,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:44,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:37:44,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:44,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:37:44,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:44,268 INFO L134 CoverageAnalysis]: Checked inductivity of 787 backedges. 232 proven. 257 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2020-10-27 22:37:44,268 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1419305505] [2020-10-27 22:37:44,268 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:37:44,268 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-10-27 22:37:44,269 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364173614] [2020-10-27 22:37:44,269 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-27 22:37:44,269 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:37:44,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-27 22:37:44,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=489, Unknown=0, NotChecked=0, Total=552 [2020-10-27 22:37:44,270 INFO L87 Difference]: Start difference. First operand 89 states and 108 transitions. Second operand 24 states. [2020-10-27 22:37:46,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:37:46,966 INFO L93 Difference]: Finished difference Result 204 states and 294 transitions. [2020-10-27 22:37:46,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-27 22:37:46,972 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 179 [2020-10-27 22:37:46,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:37:46,973 INFO L225 Difference]: With dead ends: 204 [2020-10-27 22:37:46,973 INFO L226 Difference]: Without dead ends: 117 [2020-10-27 22:37:46,976 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 371 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=314, Invalid=1848, Unknown=0, NotChecked=0, Total=2162 [2020-10-27 22:37:46,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2020-10-27 22:37:46,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 100. [2020-10-27 22:37:46,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-10-27 22:37:46,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 122 transitions. [2020-10-27 22:37:46,991 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 122 transitions. Word has length 179 [2020-10-27 22:37:46,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:37:46,992 INFO L481 AbstractCegarLoop]: Abstraction has 100 states and 122 transitions. [2020-10-27 22:37:46,992 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-27 22:37:46,992 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 122 transitions. [2020-10-27 22:37:46,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-10-27 22:37:46,996 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:37:46,996 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 14, 14, 13, 12, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 6, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:37:46,996 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-27 22:37:46,996 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:37:46,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:37:46,997 INFO L82 PathProgramCache]: Analyzing trace with hash 2086345789, now seen corresponding path program 6 times [2020-10-27 22:37:46,997 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:37:46,997 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [946500219] [2020-10-27 22:37:46,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:37:47,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:47,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:47,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:47,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:47,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:47,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:47,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:47,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:47,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:47,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:48,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:48,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:49,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:49,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:49,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:49,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:49,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:49,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:49,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:49,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:49,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:49,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:49,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:49,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:50,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:50,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:50,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:51,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:51,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:51,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:51,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:52,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:52,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 290 [2020-10-27 22:37:52,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 30 [2020-10-27 22:37:52,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-27 22:37:52,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:52,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-27 22:37:52,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 22:37:52,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 155 [2020-10-27 22:37:52,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:52,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:37:52,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:52,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:52,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:52,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:37:52,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:52,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:37:52,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:52,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:52,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:52,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:52,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:52,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:37:52,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:52,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:52,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:52,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:52,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:52,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:52,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:52,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:52,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:52,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:52,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:52,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:53,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:53,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:53,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:53,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:53,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:53,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:53,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:53,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:53,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:53,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:53,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:53,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:53,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:53,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:53,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:54,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:54,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:54,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:54,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:54,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:54,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:56,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:56,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:57,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:57,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-27 22:37:57,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 34 [2020-10-27 22:37:57,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-27 22:37:57,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:57,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-27 22:37:57,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:37:57,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 155 [2020-10-27 22:37:57,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:57,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:57,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:57,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:57,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:57,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:57,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:57,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:57,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:58,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:59,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:59,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:59,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:59,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:59,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:59,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:59,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:59,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:59,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:59,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:59,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:00,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:00,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:00,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:01,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:02,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:02,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 22:38:02,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 22 [2020-10-27 22:38:02,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 22:38:02,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:02,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 22:38:02,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:02,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-27 22:38:02,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:02,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:02,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:02,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:02,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:02,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:02,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:02,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:02,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:02,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:02,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:02,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:02,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:02,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:02,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:03,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:03,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:03,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:03,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:03,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:03,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:03,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:03,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:03,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:03,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:03,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:03,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:04,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:07,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:07,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:38:07,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 25 [2020-10-27 22:38:07,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 22:38:07,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:07,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 22:38:07,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:07,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 22:38:07,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:07,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:07,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:07,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:07,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:07,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:07,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:07,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:07,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:07,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:07,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:38:07,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:38:07,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 610 [2020-10-27 22:38:07,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:07,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:38:07,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:07,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 22:38:07,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:07,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:07,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:07,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:07,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:07,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:07,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:07,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:38:07,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:38:07,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 22:38:07,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:07,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:38:07,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:07,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:38:07,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:07,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:07,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:07,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:07,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:07,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:07,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:07,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:38:07,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:38:07,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:07,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:38:08,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:08,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:38:08,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:08,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:38:08,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:08,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:08,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:08,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:08,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:08,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:08,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:08,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:38:08,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:08,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:38:08,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:08,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:38:08,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:08,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:08,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:08,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:08,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:08,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:08,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:08,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:38:08,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:08,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:38:08,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:08,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:38:08,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:08,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:08,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:08,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:08,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:38:08,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:38:08,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-27 22:38:08,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:08,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:38:08,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:08,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:38:08,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:08,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:08,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:08,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:08,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:08,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:08,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:08,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:38:08,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:08,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:38:08,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:08,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:38:08,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:08,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:38:08,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:08,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:08,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:08,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:08,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:08,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:08,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:08,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:38:08,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:08,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:38:08,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:08,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 22:38:08,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:08,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:08,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:08,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:38:08,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:08,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 22:38:08,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:08,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:38:08,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:08,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:38:08,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:08,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:08,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:08,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:08,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:08,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:38:08,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:08,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:38:08,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:08,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:08,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:08,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:08,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:08,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:08,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:08,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:08,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:08,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:08,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:08,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:08,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:08,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:08,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:08,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:08,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:08,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:38:08,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:08,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:08,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:08,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:08,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:08,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:08,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:08,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:08,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:08,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:08,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:08,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:38:08,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:08,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:08,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:08,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:08,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:08,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:08,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:08,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:08,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:08,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:08,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:08,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-27 22:38:08,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:08,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:08,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:08,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:08,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:08,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:08,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:08,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:08,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:08,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:09,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:09,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:09,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:10,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:10,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:10,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:13,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:13,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 22:38:13,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-27 22:38:13,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 22:38:13,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:13,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:38:13,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:38:13,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-27 22:38:13,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:13,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:13,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:13,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:13,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:13,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:38:13,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:13,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 22:38:13,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:13,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:38:13,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:13,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 22:38:13,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:13,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:13,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:13,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:13,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:13,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:38:13,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:13,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:38:13,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:13,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:13,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:13,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:13,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:13,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:13,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:13,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:13,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:13,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:38:13,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:13,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:13,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:13,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:13,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:13,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:13,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:13,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:13,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:13,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:13,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:13,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:13,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:13,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:38:13,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:13,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:13,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:13,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:13,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:13,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:38:13,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:13,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:13,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:13,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:13,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:13,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:38:13,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:13,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:13,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:13,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:13,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:13,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:38:13,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:13,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:13,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:13,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:13,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:13,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:38:13,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:13,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:13,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:13,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:13,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:13,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:38:13,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:13,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:13,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:13,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:38:13,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:13,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:13,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:13,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:13,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:13,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:13,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:13,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:13,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:13,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:13,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:13,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:13,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:13,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:38:13,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:13,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:13,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:13,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:13,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:13,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:38:13,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:13,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:13,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:13,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:13,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:13,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:38:13,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:13,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:13,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:13,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:13,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:13,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 22:38:13,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:13,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:13,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:13,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:13,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:13,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:13,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:14,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:14,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:38:14,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:38:14,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 943 [2020-10-27 22:38:14,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:14,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:38:14,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:14,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 22:38:14,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:14,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:14,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:14,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:14,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:14,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:14,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:14,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:38:14,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:38:14,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-27 22:38:14,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:14,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:38:14,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:14,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:38:14,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:14,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:14,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:14,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:14,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:14,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:14,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:14,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:38:14,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:38:14,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:14,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:38:14,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:14,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:38:14,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:14,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:38:14,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:14,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:14,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:14,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:14,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:14,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:38:14,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:14,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:38:14,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:14,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:38:14,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:14,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:38:14,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:14,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:14,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:14,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:14,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:14,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:38:14,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:14,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:38:14,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:14,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:38:14,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:14,596 INFO L134 CoverageAnalysis]: Checked inductivity of 1248 backedges. 266 proven. 410 refuted. 0 times theorem prover too weak. 572 trivial. 0 not checked. [2020-10-27 22:38:14,597 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [946500219] [2020-10-27 22:38:14,597 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:38:14,597 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-27 22:38:14,598 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892290547] [2020-10-27 22:38:14,598 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-27 22:38:14,598 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:38:14,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-27 22:38:14,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=432, Unknown=0, NotChecked=0, Total=506 [2020-10-27 22:38:14,599 INFO L87 Difference]: Start difference. First operand 100 states and 122 transitions. Second operand 23 states. [2020-10-27 22:38:16,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:38:16,955 INFO L93 Difference]: Finished difference Result 208 states and 288 transitions. [2020-10-27 22:38:16,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-27 22:38:16,956 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 220 [2020-10-27 22:38:16,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:38:16,959 INFO L225 Difference]: With dead ends: 208 [2020-10-27 22:38:16,960 INFO L226 Difference]: Without dead ends: 117 [2020-10-27 22:38:16,962 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 59 SyntacticMatches, 2 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 435 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=365, Invalid=1891, Unknown=0, NotChecked=0, Total=2256 [2020-10-27 22:38:16,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2020-10-27 22:38:16,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 106. [2020-10-27 22:38:16,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-10-27 22:38:16,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 133 transitions. [2020-10-27 22:38:16,982 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 133 transitions. Word has length 220 [2020-10-27 22:38:16,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:38:16,986 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 133 transitions. [2020-10-27 22:38:16,986 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-27 22:38:16,986 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 133 transitions. [2020-10-27 22:38:16,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-10-27 22:38:16,989 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:38:16,989 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:38:16,989 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-27 22:38:16,990 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:38:16,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:38:16,990 INFO L82 PathProgramCache]: Analyzing trace with hash -695303513, now seen corresponding path program 7 times [2020-10-27 22:38:16,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:38:16,991 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [446383062] [2020-10-27 22:38:16,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:38:17,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:17,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:17,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:17,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:17,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:17,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:18,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:18,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:18,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:18,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:18,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:18,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:18,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:19,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:22,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:22,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-27 22:38:22,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-27 22:38:22,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-27 22:38:22,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:22,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 22:38:22,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 22:38:22,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-27 22:38:22,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:22,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:38:22,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:22,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:22,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:22,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:38:22,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:22,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:38:22,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:22,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:22,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:22,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:22,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:22,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:38:22,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:22,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:22,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:22,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:22,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:22,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:22,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:22,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:22,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:22,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:22,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:23,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:23,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:23,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:23,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:23,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:23,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:24,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:24,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:24,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:24,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:24,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:24,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:25,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:25,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:25,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:25,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:26,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:26,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:26,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:27,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:27,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-27 22:38:27,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 29 [2020-10-27 22:38:27,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-27 22:38:27,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:27,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:38:27,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:38:27,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 218 [2020-10-27 22:38:27,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:27,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:27,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:27,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:27,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:27,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:27,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:27,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:27,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:27,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:27,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:27,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:27,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:27,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:27,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:27,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:27,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:27,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:28,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:28,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:28,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:28,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:32,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:32,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 22:38:32,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-27 22:38:32,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 22:38:32,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:32,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 22:38:32,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:32,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-27 22:38:32,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:32,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:32,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:32,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:32,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:32,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:32,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:32,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:32,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:32,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:32,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:32,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:32,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:33,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:37,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:37,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:38:37,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-27 22:38:37,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 22:38:37,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:37,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:38:37,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:37,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 22:38:37,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:37,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:37,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:37,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:37,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:37,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:37,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:37,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:37,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:37,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:37,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:38:37,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:38:37,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 660 [2020-10-27 22:38:37,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:37,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:38:37,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:37,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 22:38:37,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:37,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:37,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:37,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:37,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:37,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:37,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:37,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:38:37,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:38:37,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-27 22:38:37,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:37,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:38:37,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:37,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:38:37,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:37,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:37,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:37,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:37,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:37,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:37,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:37,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:38:37,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:38:37,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:37,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:38:37,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:37,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:38:37,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:38,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:38:38,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:38,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:38,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:38,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:38,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:38,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:38,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:38,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:38:38,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:38,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:38:38,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:38,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:38:38,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:38,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:38,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:38,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:38,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:38,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:38,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:38,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:38:38,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:38,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:38:38,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:38,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:38:38,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:38,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:38,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:38,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:38:38,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:38,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:38:38,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:38,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:38:38,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:38,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:38:38,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:38,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:38,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:38,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:38,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:38,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:38,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:38,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:38,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:38,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:38,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:38,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:38,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:38,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:38:38,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:38,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:38,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:38,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:38,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:38,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:38:38,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:38,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:38,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:38,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:38,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:38,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 22:38:38,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:38,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:38,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:38,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:38:38,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:38,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:38:38,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:38,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:38:38,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:38,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:38:38,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:38,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:38,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:38,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:38,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:38,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:38:38,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:38,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:38,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:38,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:38,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:38,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:38,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:38,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:38,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:38,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:38,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:38,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:38,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:38,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:38:38,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:38,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:38,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:38,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:38,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:38,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:38:38,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:38,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:38,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:38,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:38,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:38,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:38:38,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:38,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:38,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:38,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:38,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:38,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:38:38,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:38,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:38,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:38,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:38,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:38,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:38:38,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:38,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:38,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:38,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:38,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:38,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-27 22:38:38,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:38,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:38,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:38,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:38:38,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:38,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 22:38:38,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:38,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:38:38,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:38,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 22:38:38,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:38,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:38,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:38,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:38,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:38,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:38:38,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:38,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:38:38,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:38,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:38,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:38,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:38,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:38,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:38,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:38,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:38,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:38,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:38:38,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:38,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:38:38,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:38,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:38,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:38,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:38,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:38,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:38,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:38,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:38,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:38,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:38,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:38,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:38,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:38,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:38,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:38,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:38,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:38,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:38:38,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:38,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:38,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:38,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:38,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:38,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:38:38,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:38,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:38,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:38,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:38,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:38,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:38:38,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:38,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:38,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:38,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:38,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:38,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:38,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:38,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:38,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:38,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:38,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:38,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:38:38,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:38,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:38,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:38,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:38:38,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:38,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:38:38,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:38,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:38,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:38,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:38,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:38,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:38,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:38,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:38,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:38,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:38,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:38,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:38,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:38,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:38,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:38,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:38,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:38,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:38:38,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:38,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:38,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:38,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:38,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:38,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:38:38,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:38,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:38,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:38,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:38,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:38,165 INFO L134 CoverageAnalysis]: Checked inductivity of 786 backedges. 70 proven. 247 refuted. 0 times theorem prover too weak. 469 trivial. 0 not checked. [2020-10-27 22:38:38,166 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [446383062] [2020-10-27 22:38:38,166 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:38:38,166 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-27 22:38:38,166 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838771025] [2020-10-27 22:38:38,166 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 22:38:38,166 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:38:38,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 22:38:38,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2020-10-27 22:38:38,167 INFO L87 Difference]: Start difference. First operand 106 states and 133 transitions. Second operand 14 states. [2020-10-27 22:38:39,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:38:39,222 INFO L93 Difference]: Finished difference Result 208 states and 289 transitions. [2020-10-27 22:38:39,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 22:38:39,222 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 179 [2020-10-27 22:38:39,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:38:39,224 INFO L225 Difference]: With dead ends: 208 [2020-10-27 22:38:39,224 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 22:38:39,226 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=123, Invalid=527, Unknown=0, NotChecked=0, Total=650 [2020-10-27 22:38:39,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 22:38:39,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 22:38:39,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 22:38:39,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 22:38:39,227 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 179 [2020-10-27 22:38:39,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:38:39,227 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 22:38:39,228 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 22:38:39,228 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 22:38:39,228 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 22:38:39,228 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-27 22:38:39,230 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 22:38:40,629 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 67 [2020-10-27 22:38:41,674 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 25 [2020-10-27 22:38:42,245 WARN L193 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 22 [2020-10-27 22:38:42,352 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 8 [2020-10-27 22:38:42,576 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 7 [2020-10-27 22:38:42,671 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-27 22:38:42,672 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-27 22:38:42,672 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-27 22:38:42,672 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-27 22:38:42,672 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 22:38:42,672 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-10-27 22:38:42,672 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 22:38:42,672 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 22:38:42,672 INFO L277 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-27 22:38:42,673 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 22:38:42,673 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 22:38:42,673 INFO L277 CegarLoopResult]: At program point mainENTRY(lines 37 44) the Hoare annotation is: true [2020-10-27 22:38:42,673 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 37 44) no Hoare annotation was computed. [2020-10-27 22:38:42,674 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 37 44) no Hoare annotation was computed. [2020-10-27 22:38:42,674 INFO L270 CegarLoopResult]: At program point L41(line 41) the Hoare annotation is: false [2020-10-27 22:38:42,674 INFO L274 CegarLoopResult]: For program point L40(lines 40 42) no Hoare annotation was computed. [2020-10-27 22:38:42,674 INFO L274 CegarLoopResult]: For program point L41-1(line 41) no Hoare annotation was computed. [2020-10-27 22:38:42,674 INFO L270 CegarLoopResult]: At program point L39(line 39) the Hoare annotation is: (and (<= main_~x~0 5) (<= 5 main_~x~0)) [2020-10-27 22:38:42,674 INFO L274 CegarLoopResult]: For program point L39-1(line 39) no Hoare annotation was computed. [2020-10-27 22:38:42,674 INFO L274 CegarLoopResult]: For program point L40-2(lines 40 42) no Hoare annotation was computed. [2020-10-27 22:38:42,674 INFO L277 CegarLoopResult]: At program point fibo2ENTRY(lines 19 27) the Hoare annotation is: true [2020-10-27 22:38:42,674 INFO L270 CegarLoopResult]: At program point L25(line 25) the Hoare annotation is: (and (<= |fibo2_#in~n| fibo2_~n) (< 1 fibo2_~n) (<= fibo2_~n |fibo2_#in~n|)) [2020-10-27 22:38:42,675 INFO L274 CegarLoopResult]: For program point L25-1(line 25) no Hoare annotation was computed. [2020-10-27 22:38:42,675 INFO L270 CegarLoopResult]: At program point L25-2(line 25) the Hoare annotation is: (and (let ((.cse0 (= |fibo2_#t~ret9| 1)) (.cse1 (= fibo2_~n |fibo2_#in~n|))) (or (and .cse0 (< 1 fibo2_~n) (<= |fibo2_#in~n| 2)) (and (<= |fibo2_#in~n| 3) (<= 3 fibo2_~n) .cse0) (and (<= |fibo2_#t~ret9| 2) (<= 4 |fibo2_#in~n|) .cse1 (<= 2 |fibo2_#t~ret9|)) (and .cse1 (<= 5 |fibo2_#in~n|)))) (<= fibo2_~n |fibo2_#in~n|)) [2020-10-27 22:38:42,675 INFO L274 CegarLoopResult]: For program point L22(lines 22 26) no Hoare annotation was computed. [2020-10-27 22:38:42,677 INFO L274 CegarLoopResult]: For program point L25-3(line 25) no Hoare annotation was computed. [2020-10-27 22:38:42,677 INFO L274 CegarLoopResult]: For program point L20(lines 20 26) no Hoare annotation was computed. [2020-10-27 22:38:42,677 INFO L274 CegarLoopResult]: For program point fibo2FINAL(lines 19 27) no Hoare annotation was computed. [2020-10-27 22:38:42,677 INFO L274 CegarLoopResult]: For program point fibo2EXIT(lines 19 27) no Hoare annotation was computed. [2020-10-27 22:38:42,677 INFO L277 CegarLoopResult]: At program point fibo1ENTRY(lines 9 17) the Hoare annotation is: true [2020-10-27 22:38:42,677 INFO L270 CegarLoopResult]: At program point L15(line 15) the Hoare annotation is: (and (not (<= |fibo1_#in~n| 2)) (= fibo1_~n |fibo1_#in~n|)) [2020-10-27 22:38:42,677 INFO L274 CegarLoopResult]: For program point L15-1(line 15) no Hoare annotation was computed. [2020-10-27 22:38:42,677 INFO L270 CegarLoopResult]: At program point L15-2(line 15) the Hoare annotation is: (let ((.cse1 (<= 4 |fibo1_#in~n|)) (.cse0 (= fibo1_~n |fibo1_#in~n|))) (or (and (<= 1 |fibo1_#t~ret7|) (<= |fibo1_#t~ret7| 1) .cse0 (<= fibo1_~n 3) (<= 3 |fibo1_#in~n|)) (and .cse0 (<= 6 |fibo1_#in~n|)) (and (<= fibo1_~n 4) .cse1 .cse0) (and (<= 3 |fibo1_#t~ret7|) .cse1 .cse0 (<= |fibo1_#t~ret7| 3)))) [2020-10-27 22:38:42,677 INFO L274 CegarLoopResult]: For program point L12(lines 12 16) no Hoare annotation was computed. [2020-10-27 22:38:42,678 INFO L274 CegarLoopResult]: For program point L15-3(line 15) no Hoare annotation was computed. [2020-10-27 22:38:42,678 INFO L274 CegarLoopResult]: For program point fibo1FINAL(lines 9 17) no Hoare annotation was computed. [2020-10-27 22:38:42,678 INFO L274 CegarLoopResult]: For program point L10(lines 10 16) no Hoare annotation was computed. [2020-10-27 22:38:42,678 INFO L274 CegarLoopResult]: For program point fibo1EXIT(lines 9 17) no Hoare annotation was computed. [2020-10-27 22:38:42,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 10:38:42 BoogieIcfgContainer [2020-10-27 22:38:42,685 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 22:38:42,694 INFO L168 Benchmark]: Toolchain (without parser) took 218664.88 ms. Allocated memory was 162.5 MB in the beginning and 868.2 MB in the end (delta: 705.7 MB). Free memory was 137.4 MB in the beginning and 691.2 MB in the end (delta: -553.8 MB). Peak memory consumption was 531.5 MB. Max. memory is 8.0 GB. [2020-10-27 22:38:42,695 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 162.5 MB. Free memory is still 135.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 22:38:42,698 INFO L168 Benchmark]: CACSL2BoogieTranslator took 265.29 ms. Allocated memory is still 162.5 MB. Free memory was 136.6 MB in the beginning and 126.9 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-10-27 22:38:42,699 INFO L168 Benchmark]: Boogie Preprocessor took 37.41 ms. Allocated memory is still 162.5 MB. Free memory was 126.9 MB in the beginning and 125.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-10-27 22:38:42,699 INFO L168 Benchmark]: RCFGBuilder took 521.28 ms. Allocated memory is still 162.5 MB. Free memory was 125.4 MB in the beginning and 111.2 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2020-10-27 22:38:42,703 INFO L168 Benchmark]: TraceAbstraction took 217822.84 ms. Allocated memory was 162.5 MB in the beginning and 868.2 MB in the end (delta: 705.7 MB). Free memory was 110.7 MB in the beginning and 691.2 MB in the end (delta: -580.5 MB). Peak memory consumption was 505.2 MB. Max. memory is 8.0 GB. [2020-10-27 22:38:42,708 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 162.5 MB. Free memory is still 135.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 265.29 ms. Allocated memory is still 162.5 MB. Free memory was 136.6 MB in the beginning and 126.9 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 37.41 ms. Allocated memory is still 162.5 MB. Free memory was 126.9 MB in the beginning and 125.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 521.28 ms. Allocated memory is still 162.5 MB. Free memory was 125.4 MB in the beginning and 111.2 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 217822.84 ms. Allocated memory was 162.5 MB in the beginning and 868.2 MB in the end (delta: 705.7 MB). Free memory was 110.7 MB in the beginning and 691.2 MB in the end (delta: -580.5 MB). Peak memory consumption was 505.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 38 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 214.2s, OverallIterations: 17, TraceHistogramMax: 17, AutomataDifference: 18.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 541 SDtfs, 921 SDslu, 1411 SDs, 0 SdLazy, 6790 SolverSat, 848 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 851 GetRequests, 463 SyntacticMatches, 11 SemanticMatches, 377 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1820 ImplicationChecksByTransitivity, 12.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=106occurred in iteration=16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 17 MinimizatonAttempts, 70 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 410 PreInvPairs, 782 NumberOfFragments, 155 HoareAnnotationTreeSize, 410 FomulaSimplifications, 25208 FormulaSimplificationTreeSizeReduction, 1.9s HoareSimplificationTime, 13 FomulaSimplificationsInter, 6157 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 194.8s InterpolantComputationTime, 1600 NumberOfCodeBlocks, 1600 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1583 ConstructedInterpolants, 0 QuantifiedInterpolants, 568883 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 3 PerfectInterpolantSequences, 3801/5501 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...