/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=SHALLOWEST --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_7-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 04:05:51,244 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 04:05:51,248 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 04:05:51,310 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 04:05:51,310 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 04:05:51,317 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 04:05:51,319 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 04:05:51,324 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 04:05:51,343 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 04:05:51,344 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 04:05:51,346 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 04:05:51,347 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 04:05:51,347 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 04:05:51,350 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 04:05:51,353 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 04:05:51,356 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 04:05:51,357 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 04:05:51,361 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 04:05:51,369 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 04:05:51,373 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 04:05:51,378 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 04:05:51,380 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 04:05:51,381 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 04:05:51,383 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 04:05:51,390 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 04:05:51,391 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 04:05:51,391 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 04:05:51,394 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 04:05:51,395 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 04:05:51,396 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 04:05:51,396 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 04:05:51,398 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 04:05:51,399 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 04:05:51,401 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 04:05:51,402 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 04:05:51,403 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 04:05:51,404 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 04:05:51,404 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 04:05:51,404 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 04:05:51,405 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 04:05:51,406 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 04:05:51,411 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 04:05:51,460 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 04:05:51,460 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 04:05:51,465 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 04:05:51,465 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 04:05:51,466 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 04:05:51,466 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 04:05:51,466 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 04:05:51,466 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 04:05:51,467 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 04:05:51,467 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 04:05:51,468 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 04:05:51,468 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 04:05:51,469 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 04:05:51,469 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 04:05:51,469 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 04:05:51,470 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 04:05:51,470 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 04:05:51,470 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 04:05:51,470 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 04:05:51,471 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 04:05:51,471 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 04:05:51,471 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 04:05:51,472 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 04:05:51,472 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 04:05:51,472 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 04:05:51,472 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 04:05:51,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 04:05:51,473 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 04:05:51,473 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 04:05:51,473 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 04:05:51,901 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 04:05:51,930 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 04:05:51,934 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 04:05:51,935 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 04:05:51,936 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 04:05:51,937 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_7-2.c [2020-10-27 04:05:52,013 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ed81aeef1/214f654a78cd48b1888d87de85c5ce71/FLAGa02c03b60 [2020-10-27 04:05:52,578 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 04:05:52,579 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_7-2.c [2020-10-27 04:05:52,586 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ed81aeef1/214f654a78cd48b1888d87de85c5ce71/FLAGa02c03b60 [2020-10-27 04:05:52,984 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ed81aeef1/214f654a78cd48b1888d87de85c5ce71 [2020-10-27 04:05:52,989 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 04:05:52,999 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 04:05:53,005 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 04:05:53,006 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 04:05:53,010 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 04:05:53,011 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 04:05:52" (1/1) ... [2020-10-27 04:05:53,016 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8dd9dab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:05:53, skipping insertion in model container [2020-10-27 04:05:53,017 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 04:05:52" (1/1) ... [2020-10-27 04:05:53,026 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 04:05:53,043 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 04:05:53,281 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 04:05:53,299 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 04:05:53,315 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 04:05:53,332 INFO L208 MainTranslator]: Completed translation [2020-10-27 04:05:53,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:05:53 WrapperNode [2020-10-27 04:05:53,333 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 04:05:53,334 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 04:05:53,334 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 04:05:53,334 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 04:05:53,348 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:05:53" (1/1) ... [2020-10-27 04:05:53,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:05:53" (1/1) ... [2020-10-27 04:05:53,356 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:05:53" (1/1) ... [2020-10-27 04:05:53,357 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:05:53" (1/1) ... [2020-10-27 04:05:53,363 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:05:53" (1/1) ... [2020-10-27 04:05:53,365 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:05:53" (1/1) ... [2020-10-27 04:05:53,366 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:05:53" (1/1) ... [2020-10-27 04:05:53,368 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 04:05:53,369 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 04:05:53,369 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 04:05:53,369 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 04:05:53,370 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:05:53" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 04:05:53,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 04:05:53,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 04:05:53,458 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 04:05:53,458 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo [2020-10-27 04:05:53,458 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 04:05:53,458 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 04:05:53,459 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 04:05:53,459 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 04:05:53,459 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 04:05:53,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 04:05:53,459 INFO L130 BoogieDeclarations]: Found specification of procedure fibo [2020-10-27 04:05:53,459 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 04:05:53,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 04:05:53,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 04:05:53,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 04:05:53,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 04:05:53,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 04:05:53,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 04:05:53,725 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 04:05:53,725 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-27 04:05:53,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 04:05:53 BoogieIcfgContainer [2020-10-27 04:05:53,727 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 04:05:53,729 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 04:05:53,730 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 04:05:53,734 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 04:05:53,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 04:05:52" (1/3) ... [2020-10-27 04:05:53,735 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@255b912f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 04:05:53, skipping insertion in model container [2020-10-27 04:05:53,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:05:53" (2/3) ... [2020-10-27 04:05:53,736 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@255b912f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 04:05:53, skipping insertion in model container [2020-10-27 04:05:53,736 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 04:05:53" (3/3) ... [2020-10-27 04:05:53,738 INFO L111 eAbstractionObserver]: Analyzing ICFG fibo_7-2.c [2020-10-27 04:05:53,755 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 04:05:53,762 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 04:05:53,801 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 04:05:53,861 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 04:05:53,861 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 04:05:53,862 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 04:05:53,862 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 04:05:53,862 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 04:05:53,862 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 04:05:53,862 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 04:05:53,863 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 04:05:53,882 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2020-10-27 04:05:53,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-27 04:05:53,888 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:05:53,889 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:05:53,890 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:05:53,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:05:53,897 INFO L82 PathProgramCache]: Analyzing trace with hash 1708859500, now seen corresponding path program 1 times [2020-10-27 04:05:53,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:05:53,908 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [22003350] [2020-10-27 04:05:53,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:05:54,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:54,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:54,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:54,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:54,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 04:05:54,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:05:54,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 741 [2020-10-27 04:05:54,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:54,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:05:54,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:05:54,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:05:54,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-27 04:05:54,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:05:54,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:54,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:54,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:54,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:05:54,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:54,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:05:54,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:54,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:54,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:54,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:54,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 04:05:54,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:05:54,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:54,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:54,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:54,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:05:54,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:54,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 04:05:54,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:54,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:05:54,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:05:54,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:05:54,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 04:05:55,047 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 04:05:55,048 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [22003350] [2020-10-27 04:05:55,051 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 04:05:55,051 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 04:05:55,052 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005382361] [2020-10-27 04:05:55,057 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 04:05:55,058 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:05:55,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 04:05:55,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-27 04:05:55,076 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 6 states. [2020-10-27 04:05:55,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:05:55,389 INFO L93 Difference]: Finished difference Result 41 states and 48 transitions. [2020-10-27 04:05:55,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 04:05:55,391 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-10-27 04:05:55,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:05:55,401 INFO L225 Difference]: With dead ends: 41 [2020-10-27 04:05:55,401 INFO L226 Difference]: Without dead ends: 23 [2020-10-27 04:05:55,405 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 04:05:55,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-10-27 04:05:55,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2020-10-27 04:05:55,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-10-27 04:05:55,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2020-10-27 04:05:55,454 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 15 [2020-10-27 04:05:55,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:05:55,455 INFO L481 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2020-10-27 04:05:55,455 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 04:05:55,455 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2020-10-27 04:05:55,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-27 04:05:55,457 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:05:55,457 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:05:55,458 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 04:05:55,458 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:05:55,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:05:55,459 INFO L82 PathProgramCache]: Analyzing trace with hash -308126725, now seen corresponding path program 1 times [2020-10-27 04:05:55,459 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:05:55,460 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [363890490] [2020-10-27 04:05:55,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:05:55,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:55,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:55,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:55,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:55,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:57,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:57,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 04:05:57,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 04:05:57,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2505 [2020-10-27 04:05:57,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:57,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:05:57,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:05:57,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-27 04:05:57,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:58,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:05:58,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:58,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:58,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:58,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:05:58,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:58,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:05:58,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:58,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:58,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:58,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:58,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:58,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:05:58,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:58,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:58,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:58,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:58,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:58,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 04:05:58,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:05:58,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 150 [2020-10-27 04:05:58,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:58,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:05:58,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:05:58,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 04:05:58,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:58,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:58,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:58,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:58,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:58,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:05:58,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:58,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:05:58,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:58,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:05:58,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:58,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:05:58,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:58,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 04:05:58,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:58,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:58,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:58,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:05:58,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:58,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 04:05:58,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:58,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:05:58,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:58,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:05:58,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 04:05:58,294 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-27 04:05:58,294 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [363890490] [2020-10-27 04:05:58,294 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:05:58,295 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-27 04:05:58,295 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804480741] [2020-10-27 04:05:58,296 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 04:05:58,297 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:05:58,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 04:05:58,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-27 04:05:58,298 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand 8 states. [2020-10-27 04:05:58,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:05:58,761 INFO L93 Difference]: Finished difference Result 35 states and 45 transitions. [2020-10-27 04:05:58,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 04:05:58,762 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2020-10-27 04:05:58,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:05:58,764 INFO L225 Difference]: With dead ends: 35 [2020-10-27 04:05:58,765 INFO L226 Difference]: Without dead ends: 30 [2020-10-27 04:05:58,766 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-27 04:05:58,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-10-27 04:05:58,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 28. [2020-10-27 04:05:58,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-10-27 04:05:58,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 36 transitions. [2020-10-27 04:05:58,779 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 36 transitions. Word has length 28 [2020-10-27 04:05:58,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:05:58,780 INFO L481 AbstractCegarLoop]: Abstraction has 28 states and 36 transitions. [2020-10-27 04:05:58,780 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 04:05:58,780 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2020-10-27 04:05:58,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-27 04:05:58,782 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:05:58,785 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:05:58,785 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 04:05:58,786 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:05:58,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:05:58,786 INFO L82 PathProgramCache]: Analyzing trace with hash 977084561, now seen corresponding path program 1 times [2020-10-27 04:05:58,787 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:05:58,787 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [167941046] [2020-10-27 04:05:58,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:05:58,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:58,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:58,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:58,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:58,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:59,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:00,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:00,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 04:06:00,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 04:06:00,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1802 [2020-10-27 04:06:00,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:00,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:06:00,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:06:00,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 04:06:00,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:00,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:06:00,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:00,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:00,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:00,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:06:00,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:00,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 04:06:00,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:00,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:06:00,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:00,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:06:00,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:00,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:06:00,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:00,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:00,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:00,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:00,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:00,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:00,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 04:06:00,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 04:06:00,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 159 [2020-10-27 04:06:00,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:00,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:06:00,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:06:00,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:06:00,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 04:06:00,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:00,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:00,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:00,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:00,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:00,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:00,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 04:06:00,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:00,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:06:00,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:00,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:06:00,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:00,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:06:00,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:00,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:00,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:00,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:00,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:00,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:06:00,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:00,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:06:00,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:00,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:06:00,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:00,911 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-27 04:06:00,911 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [167941046] [2020-10-27 04:06:00,911 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:06:00,912 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 04:06:00,912 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680432970] [2020-10-27 04:06:00,912 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 04:06:00,912 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:06:00,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 04:06:00,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-27 04:06:00,914 INFO L87 Difference]: Start difference. First operand 28 states and 36 transitions. Second operand 7 states. [2020-10-27 04:06:01,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:06:01,207 INFO L93 Difference]: Finished difference Result 43 states and 63 transitions. [2020-10-27 04:06:01,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 04:06:01,208 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 30 [2020-10-27 04:06:01,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:06:01,210 INFO L225 Difference]: With dead ends: 43 [2020-10-27 04:06:01,210 INFO L226 Difference]: Without dead ends: 38 [2020-10-27 04:06:01,211 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-10-27 04:06:01,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-10-27 04:06:01,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 30. [2020-10-27 04:06:01,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-27 04:06:01,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 40 transitions. [2020-10-27 04:06:01,225 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 40 transitions. Word has length 30 [2020-10-27 04:06:01,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:06:01,225 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 40 transitions. [2020-10-27 04:06:01,225 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 04:06:01,226 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2020-10-27 04:06:01,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-27 04:06:01,228 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:06:01,228 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:06:01,228 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 04:06:01,228 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:06:01,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:06:01,229 INFO L82 PathProgramCache]: Analyzing trace with hash -483926242, now seen corresponding path program 1 times [2020-10-27 04:06:01,229 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:06:01,230 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1131058648] [2020-10-27 04:06:01,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:06:01,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:01,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:01,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:01,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:01,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:01,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:01,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:01,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:03,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:06,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:06,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-27 04:06:06,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 04:06:06,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 04:06:06,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:06,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:06:06,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:06:06,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-27 04:06:06,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 04:06:06,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:06:06,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:06,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:06,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:06,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:06:06,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:06,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:06:06,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:06,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:06:06,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:06,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:06:06,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:06,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:06:06,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:06,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:06,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:06,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:06,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:06,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:06,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:06,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:07,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:07,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 04:06:07,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 04:06:07,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1430 [2020-10-27 04:06:07,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:07,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 04:06:07,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:06:07,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-27 04:06:07,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:07,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:07,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:07,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:07,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:07,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:07,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:07,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 04:06:07,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:06:07,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-10-27 04:06:07,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:07,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:06:07,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:07,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 04:06:07,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 04:06:07,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:07,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:07,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:07,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:07,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:06:07,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:07,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:06:07,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:07,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:06:07,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:07,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:06:07,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 04:06:07,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 04:06:07,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:07,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:07,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:07,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:06:07,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:07,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 04:06:07,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:07,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:06:07,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:07,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:06:07,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:07,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 04:06:07,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:07,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:08,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:08,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:08,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:08,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:06:08,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:08,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:06:08,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:08,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:06:08,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:08,011 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 9 proven. 24 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-27 04:06:08,012 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1131058648] [2020-10-27 04:06:08,012 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:06:08,012 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-27 04:06:08,013 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453732202] [2020-10-27 04:06:08,013 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 04:06:08,013 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:06:08,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 04:06:08,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-27 04:06:08,015 INFO L87 Difference]: Start difference. First operand 30 states and 40 transitions. Second operand 9 states. [2020-10-27 04:06:08,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:06:08,596 INFO L93 Difference]: Finished difference Result 71 states and 120 transitions. [2020-10-27 04:06:08,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 04:06:08,598 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 42 [2020-10-27 04:06:08,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:06:08,602 INFO L225 Difference]: With dead ends: 71 [2020-10-27 04:06:08,602 INFO L226 Difference]: Without dead ends: 48 [2020-10-27 04:06:08,605 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2020-10-27 04:06:08,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2020-10-27 04:06:08,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 39. [2020-10-27 04:06:08,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-10-27 04:06:08,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 52 transitions. [2020-10-27 04:06:08,642 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 52 transitions. Word has length 42 [2020-10-27 04:06:08,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:06:08,643 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 52 transitions. [2020-10-27 04:06:08,643 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 04:06:08,644 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 52 transitions. [2020-10-27 04:06:08,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-10-27 04:06:08,647 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:06:08,649 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:06:08,649 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 04:06:08,649 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:06:08,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:06:08,650 INFO L82 PathProgramCache]: Analyzing trace with hash -1970549580, now seen corresponding path program 2 times [2020-10-27 04:06:08,651 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:06:08,651 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2110962174] [2020-10-27 04:06:08,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:06:08,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:08,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:08,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:08,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:08,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:09,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:09,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:09,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:10,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:13,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:13,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-27 04:06:13,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 04:06:13,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 04:06:13,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:13,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:06:13,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:06:13,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-27 04:06:13,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:13,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:06:13,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:13,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:13,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:13,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:06:13,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:13,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:06:13,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:13,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:06:13,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:13,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:06:13,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:13,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:06:13,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:13,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:13,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:13,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:13,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:13,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:13,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:13,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:14,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:14,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-27 04:06:14,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 04:06:14,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 956 [2020-10-27 04:06:14,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:14,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 04:06:14,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:06:14,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 04:06:14,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:14,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:14,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:14,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:14,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:14,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:14,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:14,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:14,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 04:06:14,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 04:06:14,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 139 [2020-10-27 04:06:14,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:14,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:06:14,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:14,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 04:06:14,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:14,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:14,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:14,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:14,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:14,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:14,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:14,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:06:14,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 04:06:14,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:14,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:06:14,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:14,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:06:14,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:14,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:06:14,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:14,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:14,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:14,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:14,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:14,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 04:06:14,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:14,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:06:14,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:14,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:06:14,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:14,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 04:06:14,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:14,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:14,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:14,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:14,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:14,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:06:14,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:14,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:06:14,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:14,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:06:14,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:15,002 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 12 proven. 26 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-27 04:06:15,003 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2110962174] [2020-10-27 04:06:15,003 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:06:15,003 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-27 04:06:15,004 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624422296] [2020-10-27 04:06:15,004 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 04:06:15,004 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:06:15,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 04:06:15,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-27 04:06:15,005 INFO L87 Difference]: Start difference. First operand 39 states and 52 transitions. Second operand 9 states. [2020-10-27 04:06:15,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:06:15,408 INFO L93 Difference]: Finished difference Result 86 states and 143 transitions. [2020-10-27 04:06:15,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 04:06:15,409 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 44 [2020-10-27 04:06:15,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:06:15,413 INFO L225 Difference]: With dead ends: 86 [2020-10-27 04:06:15,413 INFO L226 Difference]: Without dead ends: 81 [2020-10-27 04:06:15,414 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-10-27 04:06:15,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2020-10-27 04:06:15,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 65. [2020-10-27 04:06:15,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-10-27 04:06:15,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 111 transitions. [2020-10-27 04:06:15,450 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 111 transitions. Word has length 44 [2020-10-27 04:06:15,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:06:15,451 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 111 transitions. [2020-10-27 04:06:15,451 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 04:06:15,451 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 111 transitions. [2020-10-27 04:06:15,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-27 04:06:15,465 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:06:15,465 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 8, 6, 6, 6, 6, 6, 6, 6, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:06:15,466 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 04:06:15,466 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:06:15,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:06:15,467 INFO L82 PathProgramCache]: Analyzing trace with hash 176632962, now seen corresponding path program 2 times [2020-10-27 04:06:15,467 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:06:15,467 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1172037763] [2020-10-27 04:06:15,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:06:15,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:15,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:15,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:15,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:15,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:15,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:15,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:15,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:15,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:15,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:16,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:16,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:17,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:17,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:17,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:17,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:17,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:17,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:17,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:19,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:19,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:19,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:19,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:19,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:20,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:20,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:20,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-27 04:06:20,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 24 [2020-10-27 04:06:20,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5091 [2020-10-27 04:06:20,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:20,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 04:06:20,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:06:20,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:06:20,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 04:06:20,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:06:20,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:20,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:20,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:20,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:06:20,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:20,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 04:06:20,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:20,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:06:20,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:20,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:06:20,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:20,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:06:20,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:20,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:20,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:20,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:20,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:20,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:20,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:20,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:21,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:21,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:21,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:21,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:21,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:21,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:21,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:21,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:21,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:21,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:22,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:22,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:22,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:22,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:22,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:22,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:23,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:23,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:23,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:23,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:24,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:25,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:25,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-27 04:06:25,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 28 [2020-10-27 04:06:25,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-27 04:06:25,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:25,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 04:06:25,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 04:06:25,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-27 04:06:25,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 04:06:25,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:25,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:25,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:25,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:25,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:25,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:25,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:25,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:25,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:26,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:26,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:27,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:27,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:28,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:28,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-27 04:06:28,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-27 04:06:28,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2766 [2020-10-27 04:06:28,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:28,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 04:06:28,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:06:28,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-27 04:06:28,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:28,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:28,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:28,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:28,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:28,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:28,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:28,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:28,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:06:28,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 04:06:28,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 255 [2020-10-27 04:06:28,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:28,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 04:06:28,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:28,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:06:28,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:29,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:29,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:29,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:29,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:29,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:29,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:29,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:06:29,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 04:06:29,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:29,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:06:29,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:29,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:06:29,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:29,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:06:29,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:29,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:29,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:29,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:06:29,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:29,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:06:29,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:29,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:06:29,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:29,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:06:29,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:29,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:06:29,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:29,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:29,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:29,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:29,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:29,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 04:06:29,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:06:29,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-27 04:06:29,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:29,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:06:29,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:29,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 04:06:29,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:29,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:29,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:29,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:29,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:29,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:06:29,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:29,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:06:29,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:29,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:06:29,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:29,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:06:29,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:29,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 04:06:29,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:29,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:29,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:29,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:06:29,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:29,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:06:29,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:29,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:06:29,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:29,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:06:29,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:29,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 04:06:29,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:29,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:29,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:29,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:29,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:29,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:29,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:29,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 04:06:29,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 04:06:29,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 422 [2020-10-27 04:06:29,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:29,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 04:06:29,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 04:06:29,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-27 04:06:29,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:29,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:29,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:29,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:29,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:29,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:29,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:29,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:29,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:06:29,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 04:06:29,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-27 04:06:29,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:29,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:06:29,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:29,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:06:29,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:29,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:29,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:29,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:29,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:29,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:29,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:29,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:06:29,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:29,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:06:29,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:29,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:06:29,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:29,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:06:29,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:29,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:29,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:29,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:06:29,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:29,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:06:29,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:29,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:06:29,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:29,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:06:29,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:29,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:06:29,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:29,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:29,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:29,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:06:29,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:29,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:06:29,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:29,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:06:29,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:06:29,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:06:29,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:29,862 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 116 proven. 159 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2020-10-27 04:06:29,863 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1172037763] [2020-10-27 04:06:29,863 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:06:29,863 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-27 04:06:29,864 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147065557] [2020-10-27 04:06:29,864 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-27 04:06:29,864 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:06:29,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-27 04:06:29,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=280, Unknown=0, NotChecked=0, Total=342 [2020-10-27 04:06:29,865 INFO L87 Difference]: Start difference. First operand 65 states and 111 transitions. Second operand 19 states. [2020-10-27 04:06:30,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:06:30,921 INFO L93 Difference]: Finished difference Result 126 states and 235 transitions. [2020-10-27 04:06:30,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 04:06:30,925 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 95 [2020-10-27 04:06:30,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:06:30,927 INFO L225 Difference]: With dead ends: 126 [2020-10-27 04:06:30,927 INFO L226 Difference]: Without dead ends: 64 [2020-10-27 04:06:30,930 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=189, Invalid=623, Unknown=0, NotChecked=0, Total=812 [2020-10-27 04:06:30,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2020-10-27 04:06:30,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 59. [2020-10-27 04:06:30,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-10-27 04:06:30,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 82 transitions. [2020-10-27 04:06:30,946 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 82 transitions. Word has length 95 [2020-10-27 04:06:30,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:06:30,946 INFO L481 AbstractCegarLoop]: Abstraction has 59 states and 82 transitions. [2020-10-27 04:06:30,946 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-27 04:06:30,946 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2020-10-27 04:06:30,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-10-27 04:06:30,948 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:06:30,948 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:06:30,949 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 04:06:30,949 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:06:30,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:06:30,949 INFO L82 PathProgramCache]: Analyzing trace with hash 570247810, now seen corresponding path program 3 times [2020-10-27 04:06:30,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:06:30,950 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1640859185] [2020-10-27 04:06:30,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:06:30,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:30,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:30,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:31,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:31,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:31,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:31,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:31,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:33,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:33,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:33,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:34,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:35,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:35,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 04:06:35,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-27 04:06:35,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 04:06:35,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:35,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 04:06:35,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:06:35,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-27 04:06:35,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:36,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:06:36,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:36,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:36,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:36,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:06:36,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:36,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:06:36,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:36,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:06:36,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:36,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:06:36,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:36,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:06:36,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:36,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:36,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:36,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:36,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:36,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:36,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:36,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:36,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:36,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:38,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:38,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:38,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:38,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:41,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:41,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-27 04:06:41,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-27 04:06:41,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 04:06:41,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:41,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 04:06:41,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 04:06:41,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-27 04:06:41,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:41,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:41,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:41,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:41,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:41,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:41,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:41,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:41,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:41,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:41,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:41,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:41,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:41,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:42,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:42,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:45,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:45,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-27 04:06:45,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-27 04:06:45,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4382 [2020-10-27 04:06:45,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:45,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 04:06:45,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:45,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-27 04:06:45,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:45,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:45,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:45,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:45,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:45,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:45,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:45,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 04:06:45,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:06:45,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-27 04:06:45,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:45,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:06:45,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:45,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:06:45,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:45,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:45,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:45,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:45,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:45,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:45,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:45,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:06:45,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:45,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:06:45,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:45,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:06:45,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:45,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:06:45,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:45,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:45,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:45,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:45,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:45,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:06:45,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:45,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:06:45,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:45,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:06:45,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:45,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 04:06:45,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:45,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:45,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:45,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:45,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:45,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:45,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 04:06:45,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 04:06:45,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-27 04:06:45,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:45,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:06:45,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:45,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 04:06:45,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:45,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:45,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:45,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:45,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:45,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:45,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:45,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:06:45,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:45,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:06:45,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:45,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:06:45,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:45,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:06:45,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:45,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:45,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:45,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:45,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:45,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:06:45,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 04:06:45,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:45,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:06:45,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:45,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:06:45,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:45,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-27 04:06:45,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:45,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:45,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:45,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:46,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:46,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:06:46,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:06:46,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 362 [2020-10-27 04:06:46,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:46,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 04:06:46,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:06:46,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 04:06:46,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:46,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:46,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:46,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:46,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:46,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:46,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:06:46,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:06:46,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-27 04:06:46,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:46,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:06:46,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:46,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:06:46,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:46,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:46,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:46,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:46,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:46,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:46,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:46,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:06:46,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:46,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:06:46,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:46,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:06:46,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:46,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:06:46,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:46,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:46,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:46,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:06:46,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:46,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:06:46,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:46,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:06:46,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:46,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:06:46,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:46,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:06:46,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:46,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:46,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:46,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:46,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:46,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:06:46,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:46,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:06:46,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:46,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:06:46,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:46,242 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 167 proven. 117 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2020-10-27 04:06:46,243 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1640859185] [2020-10-27 04:06:46,243 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:06:46,243 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-27 04:06:46,243 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753354913] [2020-10-27 04:06:46,244 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 04:06:46,244 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:06:46,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 04:06:46,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2020-10-27 04:06:46,245 INFO L87 Difference]: Start difference. First operand 59 states and 82 transitions. Second operand 14 states. [2020-10-27 04:06:47,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:06:47,421 INFO L93 Difference]: Finished difference Result 143 states and 272 transitions. [2020-10-27 04:06:47,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-27 04:06:47,421 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 99 [2020-10-27 04:06:47,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:06:47,426 INFO L225 Difference]: With dead ends: 143 [2020-10-27 04:06:47,426 INFO L226 Difference]: Without dead ends: 94 [2020-10-27 04:06:47,428 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=162, Invalid=594, Unknown=0, NotChecked=0, Total=756 [2020-10-27 04:06:47,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-10-27 04:06:47,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 78. [2020-10-27 04:06:47,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-10-27 04:06:47,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 121 transitions. [2020-10-27 04:06:47,452 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 121 transitions. Word has length 99 [2020-10-27 04:06:47,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:06:47,452 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 121 transitions. [2020-10-27 04:06:47,453 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 04:06:47,453 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 121 transitions. [2020-10-27 04:06:47,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-27 04:06:47,455 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:06:47,455 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 12, 7, 7, 7, 7, 7, 7, 7, 5, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:06:47,455 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 04:06:47,456 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:06:47,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:06:47,456 INFO L82 PathProgramCache]: Analyzing trace with hash 1296121057, now seen corresponding path program 4 times [2020-10-27 04:06:47,456 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:06:47,457 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [948943127] [2020-10-27 04:06:47,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:06:47,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:47,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:47,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:47,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:47,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:47,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:52,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:52,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-10-27 04:06:52,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 04:06:52,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 04:06:52,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:52,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 04:06:52,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:06:52,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-27 04:06:52,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:52,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:06:52,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:52,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:52,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:52,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:06:52,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:52,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:06:52,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:52,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:06:52,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:52,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:06:52,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:52,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:06:52,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:52,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:52,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:52,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:52,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:52,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:52,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:56,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:57,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:57,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 04:06:57,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 04:06:57,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 04:06:57,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:57,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 04:06:57,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:06:57,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-27 04:06:57,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:57,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:57,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:57,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:57,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:57,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:57,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:58,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:02,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:02,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 04:07:02,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 04:07:02,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 04:07:02,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:02,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 04:07:02,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:02,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 04:07:02,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:02,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:02,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:02,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:02,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:02,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:07:02,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:02,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 04:07:02,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:02,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:07:02,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:02,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 04:07:02,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:02,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:02,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:02,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:02,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:02,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:07:02,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:02,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:07:02,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:02,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:07:02,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:02,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:07:02,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:02,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:02,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:02,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:02,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:02,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:07:02,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:02,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:07:02,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:02,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:07:02,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:02,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:07:02,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:02,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:07:02,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:02,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:02,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:02,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:07:02,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:02,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:07:02,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:02,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:07:02,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:02,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:07:02,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:02,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:07:02,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:02,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:02,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:02,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:07:02,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:02,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:07:02,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:02,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:07:02,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:02,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:07:02,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:02,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 04:07:02,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:02,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:02,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:02,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:02,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:07:02,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:07:02,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-27 04:07:02,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:02,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:07:02,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:02,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:07:02,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:02,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:02,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:02,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:02,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:02,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:07:02,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:02,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:07:02,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:02,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:07:02,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:02,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:07:02,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:02,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:07:02,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:02,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:02,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:02,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:07:02,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:02,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:07:02,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:02,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:07:02,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:02,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:07:02,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:02,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 04:07:02,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:02,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:02,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:02,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:07:02,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:02,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 04:07:02,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:02,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:07:02,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:02,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 04:07:02,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:02,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:02,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:02,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:02,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:02,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:07:02,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:02,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:07:02,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:02,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:07:02,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:02,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:07:02,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:02,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:02,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:02,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:02,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:02,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:07:02,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:02,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:07:02,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:02,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:07:02,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:02,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:07:02,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:02,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:07:02,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:02,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:02,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:02,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:07:02,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:02,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:07:02,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:02,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:07:02,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:02,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:07:02,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:02,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:07:02,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:02,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:02,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:02,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:07:02,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:02,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:07:02,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:02,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:07:02,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:02,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:07:02,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:02,795 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 98 proven. 143 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2020-10-27 04:07:02,795 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [948943127] [2020-10-27 04:07:02,795 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:07:02,796 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-27 04:07:02,796 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357559622] [2020-10-27 04:07:02,796 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 04:07:02,797 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:07:02,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 04:07:02,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-27 04:07:02,797 INFO L87 Difference]: Start difference. First operand 78 states and 121 transitions. Second operand 10 states. [2020-10-27 04:07:03,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:07:03,388 INFO L93 Difference]: Finished difference Result 159 states and 283 transitions. [2020-10-27 04:07:03,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 04:07:03,390 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 111 [2020-10-27 04:07:03,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:07:03,395 INFO L225 Difference]: With dead ends: 159 [2020-10-27 04:07:03,396 INFO L226 Difference]: Without dead ends: 86 [2020-10-27 04:07:03,398 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=93, Invalid=213, Unknown=0, NotChecked=0, Total=306 [2020-10-27 04:07:03,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2020-10-27 04:07:03,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 77. [2020-10-27 04:07:03,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-10-27 04:07:03,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 112 transitions. [2020-10-27 04:07:03,429 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 112 transitions. Word has length 111 [2020-10-27 04:07:03,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:07:03,430 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 112 transitions. [2020-10-27 04:07:03,430 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 04:07:03,430 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 112 transitions. [2020-10-27 04:07:03,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-27 04:07:03,433 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:07:03,433 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 19, 11, 11, 11, 11, 11, 11, 11, 8, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:07:03,433 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 04:07:03,433 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:07:03,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:07:03,434 INFO L82 PathProgramCache]: Analyzing trace with hash 326016049, now seen corresponding path program 5 times [2020-10-27 04:07:03,434 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:07:03,434 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1792014681] [2020-10-27 04:07:03,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:07:03,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:03,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:03,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:03,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:03,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:03,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:03,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:03,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:03,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:03,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:03,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:04,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:08,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:08,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 220 [2020-10-27 04:07:08,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-27 04:07:08,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-27 04:07:08,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:08,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 04:07:08,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:07:08,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 04:07:08,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:08,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:07:08,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:08,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:08,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:08,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:07:08,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:08,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:07:08,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:08,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:07:08,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:08,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:07:08,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:08,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:07:08,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:08,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:08,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:08,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:08,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:08,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:08,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:08,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:08,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:08,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:09,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:09,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:09,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:13,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:13,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 204 [2020-10-27 04:07:13,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-27 04:07:13,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-27 04:07:13,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:13,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-27 04:07:13,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 04:07:13,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 161 [2020-10-27 04:07:13,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:13,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:13,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:13,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:13,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:13,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:13,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:13,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:13,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:13,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:14,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:14,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:14,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:14,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:14,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:14,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:14,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:14,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:14,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:14,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:14,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:14,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:14,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:14,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:18,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:18,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-27 04:07:18,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-27 04:07:18,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-27 04:07:18,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:18,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-27 04:07:18,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 04:07:18,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-27 04:07:18,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:18,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:18,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:18,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:18,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:18,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:18,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:18,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:18,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:19,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:19,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:19,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:07:19,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 04:07:19,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1017 [2020-10-27 04:07:19,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:19,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 04:07:19,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:19,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 04:07:19,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:19,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:19,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:19,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:19,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:19,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:19,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:07:19,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:07:19,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-27 04:07:19,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:19,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:07:19,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:19,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:07:19,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:19,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:19,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:19,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:19,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:19,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:07:19,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:19,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:07:19,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:19,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:07:19,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:19,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:07:19,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:19,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:07:19,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:20,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:20,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:20,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:07:20,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:20,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:07:20,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:20,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:07:20,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:20,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:07:20,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:20,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:07:20,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:20,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:20,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:20,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:07:20,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:20,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:07:20,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:20,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:07:20,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:20,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:07:20,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:20,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 04:07:20,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:20,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:20,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:20,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:20,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:20,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:20,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:20,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:20,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:07:20,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 04:07:20,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 643 [2020-10-27 04:07:20,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:20,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:07:20,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:07:20,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 04:07:20,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:20,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:20,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:20,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:20,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:20,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:07:20,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:20,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:07:20,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:20,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:07:20,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:20,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 04:07:20,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:20,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:20,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:20,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:20,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:20,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:07:20,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:20,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:07:20,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:20,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:07:20,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:20,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:07:20,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:20,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:07:20,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:20,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:20,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:20,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:07:20,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:20,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:07:20,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:20,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:07:20,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:20,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:07:20,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:20,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:07:20,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:20,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:20,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:20,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:20,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:07:20,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:07:20,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:07:20,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:20,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:07:20,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:20,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:07:20,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:20,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-27 04:07:20,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:20,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:20,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:20,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:20,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:20,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:20,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:20,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:20,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:20,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:20,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:20,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:21,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:21,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:21,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:21,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:22,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:25,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:25,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-27 04:07:25,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-27 04:07:25,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 04:07:25,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:25,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-27 04:07:25,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 04:07:25,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-27 04:07:25,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:25,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:25,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:25,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:25,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:25,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:25,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:25,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:26,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:26,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:27,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:27,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:07:27,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 04:07:27,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1234 [2020-10-27 04:07:27,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:27,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 04:07:27,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:27,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 04:07:27,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:27,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:27,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:27,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:27,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:27,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:27,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:27,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:07:27,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:07:27,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-27 04:07:27,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:27,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:07:27,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:27,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:07:27,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:27,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:27,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:27,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:27,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:27,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:07:27,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:27,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:07:27,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:27,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:07:27,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:27,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:07:27,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:27,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:07:27,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:27,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:27,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:27,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:07:27,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:27,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:07:27,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:27,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:07:27,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:27,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:07:27,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:27,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:07:27,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:27,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:27,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:27,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:07:27,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:27,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:07:27,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:27,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:07:27,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:27,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:07:27,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:27,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 04:07:27,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:27,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:27,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:27,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:27,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:27,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:27,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:27,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:27,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:07:27,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 04:07:27,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 462 [2020-10-27 04:07:27,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:27,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:07:27,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:07:27,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 04:07:27,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:27,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:27,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:27,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:27,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:27,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:27,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:27,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:07:27,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:07:27,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-27 04:07:27,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:27,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:07:27,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:27,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:07:27,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:27,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:27,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:27,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:27,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:27,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:07:27,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:27,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:07:27,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:27,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:07:27,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:27,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:07:27,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:27,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:07:27,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:27,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:27,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:27,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:07:27,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:27,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:07:27,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:27,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:07:27,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:27,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:07:27,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:27,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:07:28,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:28,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:28,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:28,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:07:28,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:28,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:07:28,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:28,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:07:28,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:28,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:07:28,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:28,058 INFO L134 CoverageAnalysis]: Checked inductivity of 1403 backedges. 448 proven. 502 refuted. 0 times theorem prover too weak. 453 trivial. 0 not checked. [2020-10-27 04:07:28,059 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1792014681] [2020-10-27 04:07:28,059 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:07:28,059 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2020-10-27 04:07:28,059 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919402219] [2020-10-27 04:07:28,060 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-10-27 04:07:28,060 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:07:28,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-10-27 04:07:28,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=543, Unknown=0, NotChecked=0, Total=650 [2020-10-27 04:07:28,062 INFO L87 Difference]: Start difference. First operand 77 states and 112 transitions. Second operand 26 states. [2020-10-27 04:07:29,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:07:29,576 INFO L93 Difference]: Finished difference Result 153 states and 234 transitions. [2020-10-27 04:07:29,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-27 04:07:29,577 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 166 [2020-10-27 04:07:29,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:07:29,578 INFO L225 Difference]: With dead ends: 153 [2020-10-27 04:07:29,578 INFO L226 Difference]: Without dead ends: 87 [2020-10-27 04:07:29,580 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 47 SyntacticMatches, 6 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 439 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=326, Invalid=1396, Unknown=0, NotChecked=0, Total=1722 [2020-10-27 04:07:29,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-10-27 04:07:29,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 72. [2020-10-27 04:07:29,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-10-27 04:07:29,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 100 transitions. [2020-10-27 04:07:29,596 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 100 transitions. Word has length 166 [2020-10-27 04:07:29,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:07:29,597 INFO L481 AbstractCegarLoop]: Abstraction has 72 states and 100 transitions. [2020-10-27 04:07:29,597 INFO L482 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-10-27 04:07:29,597 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2020-10-27 04:07:29,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-10-27 04:07:29,600 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:07:29,600 INFO L422 BasicCegarLoop]: trace histogram [29, 29, 23, 14, 14, 14, 14, 14, 14, 14, 9, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:07:29,601 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 04:07:29,601 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:07:29,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:07:29,601 INFO L82 PathProgramCache]: Analyzing trace with hash 1433829002, now seen corresponding path program 6 times [2020-10-27 04:07:29,602 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:07:29,602 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1572293153] [2020-10-27 04:07:29,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:07:29,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:29,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:29,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:29,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:29,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:29,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:29,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:29,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:29,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:30,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:30,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:30,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:30,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:34,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:34,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:34,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 272 [2020-10-27 04:07:34,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-27 04:07:34,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-27 04:07:34,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:34,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 04:07:34,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:07:34,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-27 04:07:34,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:34,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:07:34,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:34,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:34,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:34,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:07:34,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:34,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:07:34,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:34,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:07:34,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:34,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:07:34,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:34,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:07:34,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:34,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:34,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:34,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:34,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:34,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:35,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:35,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:35,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:35,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:35,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:36,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:36,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:36,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:36,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:36,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:39,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:39,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 256 [2020-10-27 04:07:39,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-27 04:07:39,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-27 04:07:39,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:39,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-27 04:07:39,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 04:07:39,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 196 [2020-10-27 04:07:39,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:39,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:39,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:39,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:39,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:39,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:39,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:39,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:39,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:39,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:39,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:40,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:40,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:40,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:40,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:40,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:40,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:40,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:40,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:41,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:41,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:41,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:41,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:41,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:41,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:42,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:42,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:42,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:44,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:44,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 04:07:44,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 25 [2020-10-27 04:07:44,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 04:07:44,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:44,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 04:07:44,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:44,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-27 04:07:44,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:44,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:44,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:44,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:44,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:44,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:45,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:45,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:45,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:45,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:45,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:45,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:45,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:45,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:45,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:45,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:45,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:45,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:45,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:46,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:46,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:46,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:46,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:46,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:46,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:46,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:46,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:46,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:49,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:49,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 04:07:49,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 25 [2020-10-27 04:07:49,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 04:07:49,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:49,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 04:07:49,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:49,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 04:07:49,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:49,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:49,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:49,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:49,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:49,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:49,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:50,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:50,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:50,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:07:50,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 04:07:50,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 531 [2020-10-27 04:07:50,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:50,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 04:07:50,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:50,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 04:07:50,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:50,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:50,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:50,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:50,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:50,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:50,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:50,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:07:50,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:07:50,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-27 04:07:50,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:50,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 04:07:50,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:50,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:07:50,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:50,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:50,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:50,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:50,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:50,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:50,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:07:50,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:07:50,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 04:07:50,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:50,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:07:50,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:50,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:07:50,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:50,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:07:50,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:50,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:50,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:50,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:07:50,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:50,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:07:50,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:50,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:07:50,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:50,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:07:50,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:50,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:07:50,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:50,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:50,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:50,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:07:50,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:50,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:07:50,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:50,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:07:50,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:50,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:07:50,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:50,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 04:07:50,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:50,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:50,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:50,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:50,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:50,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:07:50,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:07:50,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-27 04:07:50,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:50,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:07:50,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:50,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:07:50,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:50,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:50,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:50,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:50,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:50,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:07:50,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:50,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:07:50,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:50,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:07:50,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:50,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:07:50,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:50,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:07:50,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:50,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:50,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:50,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:07:50,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:50,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:07:50,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:50,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:07:50,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:50,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:07:50,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:50,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 04:07:50,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:50,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:50,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:50,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:07:50,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:50,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 04:07:50,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:50,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:07:50,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:50,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 04:07:50,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:50,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:50,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:50,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:50,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:50,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:07:50,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:50,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:07:50,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:50,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:07:50,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:50,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:07:50,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:50,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:50,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:50,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:50,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:50,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:07:50,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:50,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:07:50,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:50,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:07:50,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:50,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:07:50,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:50,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:07:50,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:50,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:50,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:50,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:07:50,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:50,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:07:50,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:50,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:07:50,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:50,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:07:50,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:50,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:07:50,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:50,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:50,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:50,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:07:50,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:50,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:07:50,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:50,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:07:50,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:50,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:07:50,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:50,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-27 04:07:50,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:50,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:50,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:50,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:51,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:51,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:51,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:51,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:51,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:51,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:51,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:51,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:51,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:51,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:51,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:51,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:51,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:55,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:55,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-27 04:07:55,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-27 04:07:55,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 04:07:55,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:55,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 04:07:55,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:07:55,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-27 04:07:55,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:55,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:55,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:55,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:55,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:55,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:55,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:55,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:55,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:56,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:56,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:56,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:56,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:56,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:56,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:57,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:00,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:00,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 04:08:00,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-27 04:08:00,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 04:08:00,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:00,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 04:08:00,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:00,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 04:08:00,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:01,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:08:01,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:01,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:01,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:01,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:08:01,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:08:01,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 04:08:01,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:01,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:08:01,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:01,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 04:08:01,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 04:08:01,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:08:01,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:01,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:01,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:01,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:08:01,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:08:01,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:08:01,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:01,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:08:01,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:01,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:08:01,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:01,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:08:01,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:01,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:01,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:01,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:08:01,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:08:01,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:08:01,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:01,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:08:01,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:01,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:08:01,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:01,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:08:01,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:01,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:01,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:01,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:08:01,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:08:01,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:08:01,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:01,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:08:01,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:01,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:08:01,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:01,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:08:01,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:01,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:01,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:01,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:08:01,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:08:01,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:08:01,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:01,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:08:01,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:01,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:08:01,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:01,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 04:08:01,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:01,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:01,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:01,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:01,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:01,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:08:01,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:08:01,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-27 04:08:01,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:01,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:08:01,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:01,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:08:01,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:01,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:08:01,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:01,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:01,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:01,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:08:01,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:08:01,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:08:01,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:01,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:08:01,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:01,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:08:01,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:01,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:08:01,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:01,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:01,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:01,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:08:01,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:08:01,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:08:01,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:01,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:08:01,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:01,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:08:01,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 04:08:01,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 04:08:01,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:01,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:01,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:01,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:08:01,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:08:01,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 04:08:01,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:01,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:08:01,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:01,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 04:08:01,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:01,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:08:01,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:01,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:01,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:01,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:08:01,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:08:01,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:08:01,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:01,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:08:01,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:01,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:08:01,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:01,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:08:01,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:01,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:01,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:01,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:08:01,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:08:01,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:08:01,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:01,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:08:01,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:01,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:08:01,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 04:08:01,526 INFO L134 CoverageAnalysis]: Checked inductivity of 2241 backedges. 357 proven. 853 refuted. 0 times theorem prover too weak. 1031 trivial. 0 not checked. [2020-10-27 04:08:01,527 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1572293153] [2020-10-27 04:08:01,527 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:08:01,527 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-27 04:08:01,527 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852126597] [2020-10-27 04:08:01,528 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-27 04:08:01,528 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:08:01,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-27 04:08:01,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=427, Unknown=0, NotChecked=0, Total=506 [2020-10-27 04:08:01,529 INFO L87 Difference]: Start difference. First operand 72 states and 100 transitions. Second operand 23 states. [2020-10-27 04:08:03,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:08:03,671 INFO L93 Difference]: Finished difference Result 177 states and 306 transitions. [2020-10-27 04:08:03,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-27 04:08:03,672 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 206 [2020-10-27 04:08:03,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:08:03,676 INFO L225 Difference]: With dead ends: 177 [2020-10-27 04:08:03,676 INFO L226 Difference]: Without dead ends: 101 [2020-10-27 04:08:03,678 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 57 SyntacticMatches, 2 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 356 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=363, Invalid=1529, Unknown=0, NotChecked=0, Total=1892 [2020-10-27 04:08:03,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-10-27 04:08:03,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 90. [2020-10-27 04:08:03,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-10-27 04:08:03,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 114 transitions. [2020-10-27 04:08:03,694 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 114 transitions. Word has length 206 [2020-10-27 04:08:03,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:08:03,695 INFO L481 AbstractCegarLoop]: Abstraction has 90 states and 114 transitions. [2020-10-27 04:08:03,695 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-27 04:08:03,695 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 114 transitions. [2020-10-27 04:08:03,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2020-10-27 04:08:03,700 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:08:03,700 INFO L422 BasicCegarLoop]: trace histogram [41, 41, 33, 20, 20, 20, 20, 20, 20, 20, 13, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:08:03,700 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 04:08:03,700 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:08:03,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:08:03,701 INFO L82 PathProgramCache]: Analyzing trace with hash -1616639890, now seen corresponding path program 7 times [2020-10-27 04:08:03,701 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:08:03,701 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1852547971] [2020-10-27 04:08:03,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:08:03,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-27 04:08:03,738 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-27 04:08:03,739 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-27 04:08:03,745 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-27 04:08:03,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 04:08:03 BoogieIcfgContainer [2020-10-27 04:08:03,779 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 04:08:03,782 INFO L168 Benchmark]: Toolchain (without parser) took 130788.40 ms. Allocated memory was 151.0 MB in the beginning and 653.3 MB in the end (delta: 502.3 MB). Free memory was 125.3 MB in the beginning and 303.2 MB in the end (delta: -177.8 MB). Peak memory consumption was 325.3 MB. Max. memory is 8.0 GB. [2020-10-27 04:08:03,783 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory was 122.7 MB in the beginning and 122.6 MB in the end (delta: 70.9 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 04:08:03,784 INFO L168 Benchmark]: CACSL2BoogieTranslator took 328.50 ms. Allocated memory is still 151.0 MB. Free memory was 124.8 MB in the beginning and 115.6 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-10-27 04:08:03,785 INFO L168 Benchmark]: Boogie Preprocessor took 34.14 ms. Allocated memory is still 151.0 MB. Free memory was 115.6 MB in the beginning and 114.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-10-27 04:08:03,786 INFO L168 Benchmark]: RCFGBuilder took 358.46 ms. Allocated memory is still 151.0 MB. Free memory was 114.3 MB in the beginning and 101.8 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2020-10-27 04:08:03,787 INFO L168 Benchmark]: TraceAbstraction took 130050.11 ms. Allocated memory was 151.0 MB in the beginning and 653.3 MB in the end (delta: 502.3 MB). Free memory was 101.3 MB in the beginning and 303.2 MB in the end (delta: -201.9 MB). Peak memory consumption was 301.2 MB. Max. memory is 8.0 GB. [2020-10-27 04:08:03,790 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory was 122.7 MB in the beginning and 122.6 MB in the end (delta: 70.9 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 328.50 ms. Allocated memory is still 151.0 MB. Free memory was 124.8 MB in the beginning and 115.6 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 34.14 ms. Allocated memory is still 151.0 MB. Free memory was 115.6 MB in the beginning and 114.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 358.46 ms. Allocated memory is still 151.0 MB. Free memory was 114.3 MB in the beginning and 101.8 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 130050.11 ms. Allocated memory was 151.0 MB in the beginning and 653.3 MB in the end (delta: 502.3 MB). Free memory was 101.3 MB in the beginning and 303.2 MB in the end (delta: -201.9 MB). Peak memory consumption was 301.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 4]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L26] int x = 7; [L27] CALL, EXPR fibo(x) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo(n-1) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo(n-1) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo(n-1) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo(n-1) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo(n-1) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo(n-1) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L13] RET, EXPR fibo(n-1) [L13] CALL, EXPR fibo(n-2) [L8] COND TRUE n < 1 [L9] return 0; [L13] RET, EXPR fibo(n-2) [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) [L13] CALL, EXPR fibo(n-2) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L13] RET, EXPR fibo(n-2) [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) [L13] CALL, EXPR fibo(n-2) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo(n-1) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L13] RET, EXPR fibo(n-1) [L13] CALL, EXPR fibo(n-2) [L8] COND TRUE n < 1 [L9] return 0; [L13] RET, EXPR fibo(n-2) [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-2) [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) [L13] CALL, EXPR fibo(n-2) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo(n-1) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo(n-1) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L13] RET, EXPR fibo(n-1) [L13] CALL, EXPR fibo(n-2) [L8] COND TRUE n < 1 [L9] return 0; [L13] RET, EXPR fibo(n-2) [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) [L13] CALL, EXPR fibo(n-2) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L13] RET, EXPR fibo(n-2) [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-2) [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) [L13] CALL, EXPR fibo(n-2) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo(n-1) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo(n-1) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo(n-1) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L13] RET, EXPR fibo(n-1) [L13] CALL, EXPR fibo(n-2) [L8] COND TRUE n < 1 [L9] return 0; [L13] RET, EXPR fibo(n-2) [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) [L13] CALL, EXPR fibo(n-2) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L13] RET, EXPR fibo(n-2) [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) [L13] CALL, EXPR fibo(n-2) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo(n-1) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L13] RET, EXPR fibo(n-1) [L13] CALL, EXPR fibo(n-2) [L8] COND TRUE n < 1 [L9] return 0; [L13] RET, EXPR fibo(n-2) [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-2) [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-2) [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) [L13] CALL, EXPR fibo(n-2) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo(n-1) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo(n-1) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo(n-1) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo(n-1) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L13] RET, EXPR fibo(n-1) [L13] CALL, EXPR fibo(n-2) [L8] COND TRUE n < 1 [L9] return 0; [L13] RET, EXPR fibo(n-2) [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) [L13] CALL, EXPR fibo(n-2) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L13] RET, EXPR fibo(n-2) [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) [L13] CALL, EXPR fibo(n-2) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo(n-1) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L13] RET, EXPR fibo(n-1) [L13] CALL, EXPR fibo(n-2) [L8] COND TRUE n < 1 [L9] return 0; [L13] RET, EXPR fibo(n-2) [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-2) [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) [L13] CALL, EXPR fibo(n-2) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo(n-1) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo(n-1) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L13] RET, EXPR fibo(n-1) [L13] CALL, EXPR fibo(n-2) [L8] COND TRUE n < 1 [L9] return 0; [L13] RET, EXPR fibo(n-2) [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) [L13] CALL, EXPR fibo(n-2) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L13] RET, EXPR fibo(n-2) [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-2) [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-2) [L13] return fibo(n-1) + fibo(n-2); [L27] RET, EXPR fibo(x) [L27] int result = fibo(x); [L28] COND TRUE result == 13 [L29] CALL reach_error() [L4] __assert_fail("0", "fibo_7-2.c", 4, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 29 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 129.8s, OverallIterations: 11, TraceHistogramMax: 41, AutomataDifference: 8.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 219 SDtfs, 657 SDslu, 347 SDs, 0 SdLazy, 1984 SolverSat, 752 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 461 GetRequests, 249 SyntacticMatches, 8 SemanticMatches, 204 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1154 ImplicationChecksByTransitivity, 6.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=90occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 91 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 120.2s InterpolantComputationTime, 1124 NumberOfCodeBlocks, 1124 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 826 ConstructedInterpolants, 0 QuantifiedInterpolants, 291547 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 3344/5180 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 incorrect! Received shutdown request...