/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_6-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 17:21:16,202 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 17:21:16,207 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 17:21:16,270 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 17:21:16,271 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 17:21:16,278 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 17:21:16,280 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 17:21:16,285 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 17:21:16,289 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 17:21:16,295 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 17:21:16,297 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 17:21:16,298 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 17:21:16,299 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 17:21:16,305 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 17:21:16,307 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 17:21:16,309 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 17:21:16,310 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 17:21:16,311 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 17:21:16,313 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 17:21:16,315 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 17:21:16,317 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 17:21:16,319 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 17:21:16,320 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 17:21:16,321 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 17:21:16,325 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 17:21:16,325 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 17:21:16,326 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 17:21:16,327 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 17:21:16,327 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 17:21:16,329 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 17:21:16,329 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 17:21:16,330 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 17:21:16,331 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 17:21:16,332 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 17:21:16,333 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 17:21:16,334 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 17:21:16,334 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 17:21:16,335 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 17:21:16,336 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 17:21:16,337 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 17:21:16,337 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 17:21:16,345 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 [2020-10-28 17:21:16,406 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 17:21:16,407 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 17:21:16,411 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 17:21:16,411 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 17:21:16,411 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 17:21:16,411 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 17:21:16,412 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 17:21:16,412 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 17:21:16,412 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 17:21:16,413 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 17:21:16,414 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 17:21:16,414 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 17:21:16,414 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 17:21:16,414 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 17:21:16,414 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 17:21:16,415 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 17:21:16,415 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 17:21:16,415 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 17:21:16,416 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 17:21:16,416 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 17:21:16,416 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 17:21:16,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 17:21:16,417 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 17:21:16,417 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 17:21:16,417 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 17:21:16,417 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 17:21:16,417 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 17:21:16,418 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 17:21:16,418 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 17:21:16,418 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 17:21:16,849 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 17:21:16,882 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 17:21:16,886 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 17:21:16,887 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 17:21:16,888 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 17:21:16,889 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_6-2.c [2020-10-28 17:21:16,993 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/30021f45d/a077da9167064e5cbe34b33b7a6e9470/FLAGfa35b3205 [2020-10-28 17:21:17,650 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 17:21:17,651 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_2calls_6-2.c [2020-10-28 17:21:17,659 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/30021f45d/a077da9167064e5cbe34b33b7a6e9470/FLAGfa35b3205 [2020-10-28 17:21:18,030 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/30021f45d/a077da9167064e5cbe34b33b7a6e9470 [2020-10-28 17:21:18,034 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 17:21:18,043 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 17:21:18,047 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 17:21:18,048 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 17:21:18,052 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 17:21:18,053 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 05:21:18" (1/1) ... [2020-10-28 17:21:18,058 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77b3ec5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:21:18, skipping insertion in model container [2020-10-28 17:21:18,058 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 05:21:18" (1/1) ... [2020-10-28 17:21:18,067 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 17:21:18,084 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 17:21:18,256 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 17:21:18,273 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 17:21:18,294 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 17:21:18,313 INFO L208 MainTranslator]: Completed translation [2020-10-28 17:21:18,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:21:18 WrapperNode [2020-10-28 17:21:18,314 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 17:21:18,315 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 17:21:18,315 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 17:21:18,316 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 17:21:18,330 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:21:18" (1/1) ... [2020-10-28 17:21:18,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:21:18" (1/1) ... [2020-10-28 17:21:18,339 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:21:18" (1/1) ... [2020-10-28 17:21:18,340 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:21:18" (1/1) ... [2020-10-28 17:21:18,346 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:21:18" (1/1) ... [2020-10-28 17:21:18,348 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:21:18" (1/1) ... [2020-10-28 17:21:18,350 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:21:18" (1/1) ... [2020-10-28 17:21:18,353 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 17:21:18,354 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 17:21:18,354 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 17:21:18,354 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 17:21:18,355 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:21:18" (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 [2020-10-28 17:21:18,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 17:21:18,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 17:21:18,444 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 17:21:18,445 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-10-28 17:21:18,445 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-10-28 17:21:18,445 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 17:21:18,445 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 17:21:18,445 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 17:21:18,446 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 17:21:18,446 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 17:21:18,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 17:21:18,446 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-10-28 17:21:18,446 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-10-28 17:21:18,446 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 17:21:18,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 17:21:18,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 17:21:18,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 17:21:18,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 17:21:18,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 17:21:18,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 17:21:18,865 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 17:21:18,865 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-28 17:21:18,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 05:21:18 BoogieIcfgContainer [2020-10-28 17:21:18,869 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 17:21:18,873 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 17:21:18,873 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 17:21:18,877 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 17:21:18,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 05:21:18" (1/3) ... [2020-10-28 17:21:18,879 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eb12d64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 05:21:18, skipping insertion in model container [2020-10-28 17:21:18,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:21:18" (2/3) ... [2020-10-28 17:21:18,880 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eb12d64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 05:21:18, skipping insertion in model container [2020-10-28 17:21:18,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 05:21:18" (3/3) ... [2020-10-28 17:21:18,883 INFO L111 eAbstractionObserver]: Analyzing ICFG fibo_2calls_6-2.c [2020-10-28 17:21:18,915 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 17:21:18,922 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 17:21:18,939 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 17:21:18,989 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 17:21:18,989 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 17:21:18,989 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 17:21:18,989 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 17:21:18,990 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 17:21:18,990 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 17:21:18,990 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 17:21:18,990 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 17:21:19,017 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2020-10-28 17:21:19,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-28 17:21:19,027 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:21:19,028 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:21:19,028 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:21:19,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:21:19,039 INFO L82 PathProgramCache]: Analyzing trace with hash 219823047, now seen corresponding path program 1 times [2020-10-28 17:21:19,049 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:21:19,050 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1157142831] [2020-10-28 17:21:19,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:21:19,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:19,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:19,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:19,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:19,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 17:21:19,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:21:19,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 652 [2020-10-28 17:21:19,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:19,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:19,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:21:19,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:21:19,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:21:19,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 17:21:20,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:21:20,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:20,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:20,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:20,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:21:20,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:20,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 17:21:20,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:20,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:20,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:20,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:20,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:20,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:21:20,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:21:20,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:20,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:20,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:20,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:21:20,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:20,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 17:21:20,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:20,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:20,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:21:20,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:21:20,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:21:20,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:21:20,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 17:21:20,162 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1157142831] [2020-10-28 17:21:20,164 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:21:20,165 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 17:21:20,166 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596992688] [2020-10-28 17:21:20,171 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 17:21:20,172 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:21:20,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 17:21:20,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-28 17:21:20,190 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 6 states. [2020-10-28 17:21:20,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:21:20,741 INFO L93 Difference]: Finished difference Result 50 states and 60 transitions. [2020-10-28 17:21:20,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-28 17:21:20,744 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-10-28 17:21:20,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:21:20,756 INFO L225 Difference]: With dead ends: 50 [2020-10-28 17:21:20,757 INFO L226 Difference]: Without dead ends: 32 [2020-10-28 17:21:20,760 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-28 17:21:20,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-10-28 17:21:20,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2020-10-28 17:21:20,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-10-28 17:21:20,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-10-28 17:21:20,823 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 15 [2020-10-28 17:21:20,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:21:20,827 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-10-28 17:21:20,827 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 17:21:20,828 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-10-28 17:21:20,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-28 17:21:20,832 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:21:20,835 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:21:20,836 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 17:21:20,836 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:21:20,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:21:20,841 INFO L82 PathProgramCache]: Analyzing trace with hash 2083135015, now seen corresponding path program 1 times [2020-10-28 17:21:20,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:21:20,844 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1491759601] [2020-10-28 17:21:20,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:21:20,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:20,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:20,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:21,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:21,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:23,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:23,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-28 17:21:23,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 17:21:23,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2512 [2020-10-28 17:21:23,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:23,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:23,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:21:23,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:21:23,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-28 17:21:23,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-10-28 17:21:23,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:21:23,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:23,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:23,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:23,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:21:23,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:23,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 17:21:23,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:23,525 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:23,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:23,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:23,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:23,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:21:23,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:21:23,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:23,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:23,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:23,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:23,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:23,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 17:21:23,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:21:23,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 219 [2020-10-28 17:21:23,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:23,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:23,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:21:23,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:21:23,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-28 17:21:23,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:21:23,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:23,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:23,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:23,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:23,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:21:23,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:23,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 17:21:23,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:23,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:23,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:21:23,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:23,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:21:23,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:21:23,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:21:23,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:23,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:23,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:23,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:21:23,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:23,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:21:23,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:23,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:23,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:21:23,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:23,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:21:23,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:23,867 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 17:21:23,868 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1491759601] [2020-10-28 17:21:23,868 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:21:23,868 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-28 17:21:23,869 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466962303] [2020-10-28 17:21:23,870 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 17:21:23,871 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:21:23,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 17:21:23,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-28 17:21:23,872 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 8 states. [2020-10-28 17:21:24,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:21:24,551 INFO L93 Difference]: Finished difference Result 44 states and 55 transitions. [2020-10-28 17:21:24,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 17:21:24,552 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2020-10-28 17:21:24,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:21:24,554 INFO L225 Difference]: With dead ends: 44 [2020-10-28 17:21:24,555 INFO L226 Difference]: Without dead ends: 39 [2020-10-28 17:21:24,556 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-28 17:21:24,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-10-28 17:21:24,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 37. [2020-10-28 17:21:24,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-10-28 17:21:24,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 47 transitions. [2020-10-28 17:21:24,571 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 47 transitions. Word has length 28 [2020-10-28 17:21:24,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:21:24,593 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 47 transitions. [2020-10-28 17:21:24,593 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 17:21:24,593 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2020-10-28 17:21:24,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-28 17:21:24,596 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:21:24,596 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:21:24,596 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 17:21:24,596 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:21:24,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:21:24,597 INFO L82 PathProgramCache]: Analyzing trace with hash 752879968, now seen corresponding path program 1 times [2020-10-28 17:21:24,597 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:21:24,597 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1734013094] [2020-10-28 17:21:24,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:21:24,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:24,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:24,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:24,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:25,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:25,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-28 17:21:25,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:21:25,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1070 [2020-10-28 17:21:25,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:25,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:25,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:21:25,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:21:25,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-28 17:21:25,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:21:25,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:21:25,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:25,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:25,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:25,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:21:25,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:25,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 17:21:25,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:25,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:25,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:25,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:25,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:25,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-28 17:21:25,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:21:25,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:25,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:25,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:25,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:25,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:21:25,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:21:25,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-28 17:21:25,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:25,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:25,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:21:25,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:21:25,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 17:21:25,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:21:25,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:25,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:25,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:25,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:25,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:21:25,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:25,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 17:21:25,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:25,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:25,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:21:25,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:25,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:21:25,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:21:25,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:21:25,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:25,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:25,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:25,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:21:25,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:25,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:21:25,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:25,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:25,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:21:25,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:25,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:21:25,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:21:25,979 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 17:21:25,980 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1734013094] [2020-10-28 17:21:25,980 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:21:25,980 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-28 17:21:25,981 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588814136] [2020-10-28 17:21:25,981 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 17:21:25,981 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:21:25,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 17:21:25,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-28 17:21:25,983 INFO L87 Difference]: Start difference. First operand 37 states and 47 transitions. Second operand 8 states. [2020-10-28 17:21:26,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:21:26,684 INFO L93 Difference]: Finished difference Result 51 states and 68 transitions. [2020-10-28 17:21:26,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 17:21:26,685 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 29 [2020-10-28 17:21:26,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:21:26,687 INFO L225 Difference]: With dead ends: 51 [2020-10-28 17:21:26,687 INFO L226 Difference]: Without dead ends: 46 [2020-10-28 17:21:26,688 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-28 17:21:26,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-10-28 17:21:26,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 37. [2020-10-28 17:21:26,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-10-28 17:21:26,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 47 transitions. [2020-10-28 17:21:26,702 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 47 transitions. Word has length 29 [2020-10-28 17:21:26,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:21:26,702 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 47 transitions. [2020-10-28 17:21:26,702 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 17:21:26,703 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2020-10-28 17:21:26,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-28 17:21:26,705 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:21:26,705 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:21:26,705 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 17:21:26,705 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:21:26,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:21:26,706 INFO L82 PathProgramCache]: Analyzing trace with hash 2070859795, now seen corresponding path program 1 times [2020-10-28 17:21:26,706 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:21:26,706 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [443662506] [2020-10-28 17:21:26,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:21:26,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:26,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:26,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:26,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:27,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:27,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:27,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:27,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:29,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:31,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:31,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-28 17:21:31,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-28 17:21:31,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 17:21:31,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:31,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:31,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:21:31,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:21:31,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-28 17:21:31,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:21:31,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:21:31,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:31,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:31,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:31,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:21:31,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:31,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 17:21:31,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:31,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:31,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:31,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:31,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:31,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:21:31,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:21:31,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:31,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:31,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:31,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:31,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:32,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:32,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:32,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:33,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:33,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-28 17:21:33,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 17:21:33,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1292 [2020-10-28 17:21:33,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:33,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:33,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:21:33,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:21:33,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-28 17:21:33,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:21:33,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:33,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:33,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:33,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:33,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:33,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 17:21:33,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:21:33,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-28 17:21:33,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:33,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:33,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 17:21:33,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:33,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 17:21:33,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:33,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:33,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:33,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:33,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:33,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:21:33,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:33,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:21:33,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:33,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:33,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:21:33,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:33,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:21:33,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:21:33,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:21:33,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:33,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:33,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:33,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:21:33,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:33,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:21:33,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:33,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:33,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:21:33,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:33,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:21:33,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:21:33,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:21:33,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:33,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:33,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:33,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:21:33,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:33,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:21:33,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:33,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:33,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:21:33,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:33,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:21:33,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:21:33,319 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-28 17:21:33,320 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [443662506] [2020-10-28 17:21:33,320 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:21:33,320 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-28 17:21:33,321 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076174129] [2020-10-28 17:21:33,321 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 17:21:33,322 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:21:33,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 17:21:33,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-28 17:21:33,323 INFO L87 Difference]: Start difference. First operand 37 states and 47 transitions. Second operand 10 states. [2020-10-28 17:21:34,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:21:34,291 INFO L93 Difference]: Finished difference Result 58 states and 83 transitions. [2020-10-28 17:21:34,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 17:21:34,293 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 41 [2020-10-28 17:21:34,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:21:34,296 INFO L225 Difference]: With dead ends: 58 [2020-10-28 17:21:34,296 INFO L226 Difference]: Without dead ends: 53 [2020-10-28 17:21:34,299 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2020-10-28 17:21:34,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-10-28 17:21:34,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 46. [2020-10-28 17:21:34,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-10-28 17:21:34,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 64 transitions. [2020-10-28 17:21:34,327 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 64 transitions. Word has length 41 [2020-10-28 17:21:34,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:21:34,328 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 64 transitions. [2020-10-28 17:21:34,328 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 17:21:34,329 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 64 transitions. [2020-10-28 17:21:34,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-28 17:21:34,335 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:21:34,337 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:21:34,337 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 17:21:34,337 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:21:34,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:21:34,338 INFO L82 PathProgramCache]: Analyzing trace with hash 1960607334, now seen corresponding path program 1 times [2020-10-28 17:21:34,338 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:21:34,339 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2086256593] [2020-10-28 17:21:34,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:21:34,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:34,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:34,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:34,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:34,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:34,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:34,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:34,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:36,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:39,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:39,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-28 17:21:39,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-28 17:21:39,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 17:21:39,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:39,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:39,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:21:39,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:21:39,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-28 17:21:39,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 17:21:39,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:21:39,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:39,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:39,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:39,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:21:39,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:39,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:21:39,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:39,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:39,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:39,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:39,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:39,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:39,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:21:39,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:39,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:39,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:39,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:39,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:39,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:39,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:40,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:40,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:40,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-28 17:21:40,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 17:21:40,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1081 [2020-10-28 17:21:40,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:40,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:40,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:21:40,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:21:40,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-28 17:21:40,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:21:40,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:40,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:40,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:40,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:40,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:40,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:21:40,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:21:40,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-28 17:21:40,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:40,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:40,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 17:21:40,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:40,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 17:21:40,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:40,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:40,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:40,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:40,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:40,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:21:40,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:40,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 17:21:40,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:40,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:40,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:21:40,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:40,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:21:40,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:21:40,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:21:40,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:40,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:40,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:40,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:21:40,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:40,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:21:40,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:40,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:40,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:21:40,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:40,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:21:40,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:40,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:21:40,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:40,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:40,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:40,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:21:40,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:40,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:21:40,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:40,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:40,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:21:40,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:40,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:21:40,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:21:40,853 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-28 17:21:40,853 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2086256593] [2020-10-28 17:21:40,853 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:21:40,854 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-28 17:21:40,854 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055819584] [2020-10-28 17:21:40,855 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 17:21:40,855 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:21:40,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 17:21:40,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-28 17:21:40,856 INFO L87 Difference]: Start difference. First operand 46 states and 64 transitions. Second operand 10 states. [2020-10-28 17:21:41,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:21:41,824 INFO L93 Difference]: Finished difference Result 111 states and 202 transitions. [2020-10-28 17:21:41,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 17:21:41,824 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 42 [2020-10-28 17:21:41,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:21:41,827 INFO L225 Difference]: With dead ends: 111 [2020-10-28 17:21:41,828 INFO L226 Difference]: Without dead ends: 72 [2020-10-28 17:21:41,830 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2020-10-28 17:21:41,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-10-28 17:21:41,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 69. [2020-10-28 17:21:41,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-10-28 17:21:41,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 112 transitions. [2020-10-28 17:21:41,849 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 112 transitions. Word has length 42 [2020-10-28 17:21:41,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:21:41,849 INFO L481 AbstractCegarLoop]: Abstraction has 69 states and 112 transitions. [2020-10-28 17:21:41,849 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 17:21:41,850 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 112 transitions. [2020-10-28 17:21:41,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-10-28 17:21:41,853 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:21:41,853 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:21:41,854 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 17:21:41,854 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:21:41,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:21:41,855 INFO L82 PathProgramCache]: Analyzing trace with hash 1577514399, now seen corresponding path program 2 times [2020-10-28 17:21:41,855 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:21:41,855 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1621082979] [2020-10-28 17:21:41,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:21:41,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:41,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:41,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:41,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:41,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:41,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:41,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:42,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:42,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:45,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:45,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:45,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:45,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:45,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:45,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:45,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:45,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:46,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:46,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:46,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:46,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:46,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:46,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:46,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:46,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-28 17:21:46,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 22 [2020-10-28 17:21:46,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5037 [2020-10-28 17:21:46,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:46,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:46,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:21:46,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:21:46,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-28 17:21:46,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:21:47,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:21:47,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:47,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:47,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:47,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:21:47,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:47,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:21:47,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:47,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:47,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:47,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:47,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:47,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:47,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:21:47,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:47,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:47,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:47,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:47,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:47,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:47,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:47,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:47,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:47,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:47,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:47,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:47,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:47,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:47,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:47,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:48,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:48,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:49,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:49,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:49,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:50,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:50,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:50,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:50,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:50,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:52,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:52,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-10-28 17:21:52,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 25 [2020-10-28 17:21:52,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-28 17:21:52,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:52,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:52,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 17:21:52,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 17:21:52,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-28 17:21:52,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:52,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:52,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:52,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:52,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:52,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:52,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:52,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:52,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-28 17:21:52,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 17:21:52,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 175 [2020-10-28 17:21:52,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:52,223 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:52,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:21:52,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-28 17:21:52,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-28 17:21:52,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:21:52,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:52,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:52,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:52,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:52,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:52,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:52,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:52,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 17:21:52,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 17:21:52,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-28 17:21:52,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:52,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:52,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:21:52,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:52,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 17:21:52,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:21:52,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:52,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:52,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:52,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:52,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:21:52,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:52,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:21:52,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:52,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:52,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:21:52,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:52,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:21:52,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:21:52,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:21:52,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:52,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:52,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:52,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:21:52,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:52,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:21:52,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:52,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:52,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:21:52,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:52,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:21:52,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:21:52,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:21:52,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:52,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:52,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:52,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:21:52,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:52,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:21:52,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:52,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:52,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:21:52,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:21:52,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:21:52,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:21:52,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 17:21:52,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:52,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:52,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:52,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:52,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:52,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:52,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:52,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-28 17:21:52,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 17:21:52,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 343 [2020-10-28 17:21:52,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:52,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:52,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:52,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-28 17:21:52,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:52,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:52,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:52,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:52,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:52,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:52,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:52,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 17:21:52,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:21:52,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 17:21:52,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:52,923 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:52,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:52,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:52,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:52,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:21:52,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:52,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:52,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:52,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:52,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:21:52,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:52,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:21:52,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:52,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:52,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:52,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:52,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:52,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:21:52,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:21:52,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:52,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:52,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:52,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:21:52,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:52,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:21:52,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:52,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:52,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:52,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:52,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:52,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:21:52,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:21:52,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:52,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:52,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:52,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:21:52,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:52,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:21:52,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:52,946 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:52,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:52,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:52,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:52,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:21:52,965 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 20 proven. 33 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-10-28 17:21:52,965 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1621082979] [2020-10-28 17:21:52,967 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:21:52,967 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-28 17:21:52,967 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435109185] [2020-10-28 17:21:52,969 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 17:21:52,969 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:21:52,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 17:21:52,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-10-28 17:21:52,970 INFO L87 Difference]: Start difference. First operand 69 states and 112 transitions. Second operand 12 states. [2020-10-28 17:21:53,238 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 37 [2020-10-28 17:21:53,739 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2020-10-28 17:21:54,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:21:54,296 INFO L93 Difference]: Finished difference Result 139 states and 253 transitions. [2020-10-28 17:21:54,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 17:21:54,298 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 80 [2020-10-28 17:21:54,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:21:54,301 INFO L225 Difference]: With dead ends: 139 [2020-10-28 17:21:54,301 INFO L226 Difference]: Without dead ends: 77 [2020-10-28 17:21:54,304 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=80, Invalid=340, Unknown=0, NotChecked=0, Total=420 [2020-10-28 17:21:54,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2020-10-28 17:21:54,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 66. [2020-10-28 17:21:54,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-10-28 17:21:54,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 96 transitions. [2020-10-28 17:21:54,329 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 96 transitions. Word has length 80 [2020-10-28 17:21:54,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:21:54,329 INFO L481 AbstractCegarLoop]: Abstraction has 66 states and 96 transitions. [2020-10-28 17:21:54,330 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-28 17:21:54,330 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 96 transitions. [2020-10-28 17:21:54,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-10-28 17:21:54,333 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:21:54,333 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:21:54,333 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 17:21:54,333 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:21:54,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:21:54,334 INFO L82 PathProgramCache]: Analyzing trace with hash 252533325, now seen corresponding path program 1 times [2020-10-28 17:21:54,334 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:21:54,335 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1302414523] [2020-10-28 17:21:54,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:21:54,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:54,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:54,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:54,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:54,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:54,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:54,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:54,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:54,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:54,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:54,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:54,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:54,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:55,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:55,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:55,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:59,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:59,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-28 17:21:59,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-28 17:21:59,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-28 17:21:59,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:59,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:59,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:21:59,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:21:59,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-28 17:21:59,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:59,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:21:59,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:59,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:59,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:59,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:21:59,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:59,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:21:59,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:59,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:59,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:59,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:59,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:59,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:59,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:21:59,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:59,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:59,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:59,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:59,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:59,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:59,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:59,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:59,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:59,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:59,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:59,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:59,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:59,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:00,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:00,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:00,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:00,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:00,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:00,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:01,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:01,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:01,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:04,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:04,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-28 17:22:04,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 22 [2020-10-28 17:22:04,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 17:22:04,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:04,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:04,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:22:04,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-28 17:22:04,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 17:22:04,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:04,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:04,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:04,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:04,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:04,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:04,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:04,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:04,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:04,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-28 17:22:04,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 17:22:04,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 200 [2020-10-28 17:22:04,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:04,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:04,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:04,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:04,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:04,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:04,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:04,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:04,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:04,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:04,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:04,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 17:22:04,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:22:04,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 17:22:04,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:04,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:04,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:04,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:04,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:04,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:04,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:04,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:04,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:04,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:04,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:22:04,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:04,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:22:04,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:04,684 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:04,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:04,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:04,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:04,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:04,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:22:04,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:04,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:04,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:04,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:22:04,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:04,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:22:04,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:04,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:04,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:04,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:04,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:04,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:04,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:22:04,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:04,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:04,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:04,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:22:04,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:04,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:22:04,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:04,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:04,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:04,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:04,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:04,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:22:04,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 17:22:04,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:04,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:04,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:04,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:04,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:04,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:04,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-28 17:22:04,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 17:22:04,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 169 [2020-10-28 17:22:04,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:04,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:04,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:22:04,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 17:22:04,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-28 17:22:04,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:04,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:04,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:04,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:04,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:04,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:04,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 17:22:04,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:22:04,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-28 17:22:04,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:04,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:04,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:22:04,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:04,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 17:22:04,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:04,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:04,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:04,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:04,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:04,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:22:04,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:04,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:22:04,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:04,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:04,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:22:04,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:04,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:22:04,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:05,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:22:05,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:05,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:05,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:05,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:22:05,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:05,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:22:05,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:05,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:05,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:22:05,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:05,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:22:05,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:05,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:22:05,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:05,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:05,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:05,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:22:05,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:05,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:22:05,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:05,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:05,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:22:05,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:22:05,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:22:05,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:05,090 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 64 proven. 3 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-10-28 17:22:05,091 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1302414523] [2020-10-28 17:22:05,091 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:22:05,091 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-28 17:22:05,092 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265787324] [2020-10-28 17:22:05,092 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 17:22:05,092 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:22:05,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 17:22:05,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-10-28 17:22:05,093 INFO L87 Difference]: Start difference. First operand 66 states and 96 transitions. Second operand 11 states. [2020-10-28 17:22:06,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:22:06,245 INFO L93 Difference]: Finished difference Result 150 states and 273 transitions. [2020-10-28 17:22:06,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 17:22:06,246 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 82 [2020-10-28 17:22:06,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:22:06,248 INFO L225 Difference]: With dead ends: 150 [2020-10-28 17:22:06,248 INFO L226 Difference]: Without dead ends: 94 [2020-10-28 17:22:06,250 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=69, Invalid=273, Unknown=0, NotChecked=0, Total=342 [2020-10-28 17:22:06,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-10-28 17:22:06,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 88. [2020-10-28 17:22:06,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2020-10-28 17:22:06,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 146 transitions. [2020-10-28 17:22:06,273 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 146 transitions. Word has length 82 [2020-10-28 17:22:06,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:22:06,273 INFO L481 AbstractCegarLoop]: Abstraction has 88 states and 146 transitions. [2020-10-28 17:22:06,273 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 17:22:06,274 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 146 transitions. [2020-10-28 17:22:06,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-28 17:22:06,283 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:22:06,283 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:22:06,284 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 17:22:06,284 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:22:06,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:22:06,284 INFO L82 PathProgramCache]: Analyzing trace with hash -1526119597, now seen corresponding path program 1 times [2020-10-28 17:22:06,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:22:06,285 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1832095099] [2020-10-28 17:22:06,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:22:06,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:06,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:06,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:06,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:06,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:06,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:06,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:06,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:06,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:06,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:06,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:06,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:06,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:06,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:06,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:06,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:07,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:07,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:07,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:07,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:07,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:07,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:07,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:11,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:11,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-28 17:22:11,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 22 [2020-10-28 17:22:11,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-28 17:22:11,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:11,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:11,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-28 17:22:11,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-28 17:22:11,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-28 17:22:11,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:11,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:22:11,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:11,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:11,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:11,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:22:11,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:11,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:22:11,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:11,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:11,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:11,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:11,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:11,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:11,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:22:11,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:11,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:11,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:11,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:11,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:11,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:11,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:11,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:11,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:11,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:11,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:11,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:11,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:13,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:13,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:13,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:16,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:16,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-28 17:22:16,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-28 17:22:16,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-28 17:22:16,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:16,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:16,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:22:16,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-28 17:22:16,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-28 17:22:16,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:16,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:16,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:16,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:16,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:16,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:22:16,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:16,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:22:16,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:16,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:16,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:16,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:16,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:16,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:16,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:16,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:16,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:16,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:16,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:22:16,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:16,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:22:16,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:16,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:16,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:16,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:16,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:16,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:22:16,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:16,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:16,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:16,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:16,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:22:16,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:16,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:22:16,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:16,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:16,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:16,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:16,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:16,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:16,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:22:16,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:16,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:16,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:16,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:22:16,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:16,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:22:16,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:16,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:16,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:16,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:16,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:16,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:16,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:22:16,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:16,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:16,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:16,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:22:16,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:16,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:22:16,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:16,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:16,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:16,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:16,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:16,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:16,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:22:16,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:16,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:16,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:16,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:16,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:16,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:16,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:16,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:16,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:16,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:18,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:18,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-28 17:22:18,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-28 17:22:18,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2533 [2020-10-28 17:22:18,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:18,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:18,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:22:18,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 17:22:18,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-28 17:22:18,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:19,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:19,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:19,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:19,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:19,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:19,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 17:22:19,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:22:19,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 17:22:19,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:19,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:19,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:22:19,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:19,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 17:22:19,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:19,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:19,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:19,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:19,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:19,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:22:19,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:19,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:22:19,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:19,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:19,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:22:19,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:19,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:22:19,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:19,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:22:19,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:19,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:19,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:19,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:22:19,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:19,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:22:19,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:19,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:19,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:22:19,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:19,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:22:19,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:19,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:22:19,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:19,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:19,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:19,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:19,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 17:22:19,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:22:19,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 17:22:19,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:19,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:19,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:22:19,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:22:19,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-28 17:22:19,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:19,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:19,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:19,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:19,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:19,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:22:19,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:19,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:22:19,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:19,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:19,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:22:19,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:19,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:22:19,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:19,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:22:19,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:19,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:19,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:19,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:22:19,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:19,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:22:19,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:19,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:19,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:22:19,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:19,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:22:19,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:19,194 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 72 proven. 17 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-10-28 17:22:19,194 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1832095099] [2020-10-28 17:22:19,194 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:22:19,195 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-28 17:22:19,195 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511838199] [2020-10-28 17:22:19,195 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 17:22:19,196 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:22:19,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 17:22:19,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-10-28 17:22:19,196 INFO L87 Difference]: Start difference. First operand 88 states and 146 transitions. Second operand 10 states. [2020-10-28 17:22:19,600 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2020-10-28 17:22:20,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:22:20,402 INFO L93 Difference]: Finished difference Result 162 states and 286 transitions. [2020-10-28 17:22:20,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 17:22:20,403 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 95 [2020-10-28 17:22:20,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:22:20,405 INFO L225 Difference]: With dead ends: 162 [2020-10-28 17:22:20,405 INFO L226 Difference]: Without dead ends: 76 [2020-10-28 17:22:20,407 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=75, Invalid=267, Unknown=0, NotChecked=0, Total=342 [2020-10-28 17:22:20,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2020-10-28 17:22:20,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 73. [2020-10-28 17:22:20,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-10-28 17:22:20,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 101 transitions. [2020-10-28 17:22:20,421 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 101 transitions. Word has length 95 [2020-10-28 17:22:20,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:22:20,422 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 101 transitions. [2020-10-28 17:22:20,422 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 17:22:20,422 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 101 transitions. [2020-10-28 17:22:20,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-28 17:22:20,424 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:22:20,424 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:22:20,424 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 17:22:20,424 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:22:20,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:22:20,425 INFO L82 PathProgramCache]: Analyzing trace with hash 1562902855, now seen corresponding path program 2 times [2020-10-28 17:22:20,425 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:22:20,425 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1975612638] [2020-10-28 17:22:20,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:22:20,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:20,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:20,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:20,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:20,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:20,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:20,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:20,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:20,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:20,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:20,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:20,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:21,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:21,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:21,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:21,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:21,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:22,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:22,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:22,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:25,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:25,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-28 17:22:25,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-28 17:22:25,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-28 17:22:25,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:25,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:25,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-28 17:22:25,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:22:25,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-28 17:22:25,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:25,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:22:25,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:25,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:25,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:25,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:22:25,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:25,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:22:25,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:25,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:25,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:25,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:25,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:25,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:25,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:22:25,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:25,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:25,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:25,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:25,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:25,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:25,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:25,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:25,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:25,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:25,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:25,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:25,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:25,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:25,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:25,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:26,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:26,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:26,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:26,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:28,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:30,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:30,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-28 17:22:30,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-28 17:22:30,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 17:22:30,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:30,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:30,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-28 17:22:30,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:22:30,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-28 17:22:30,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:30,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:30,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:30,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:30,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:30,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:30,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:30,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:22:30,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:22:30,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 347 [2020-10-28 17:22:30,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:30,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:30,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 17:22:30,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:30,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-28 17:22:30,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:30,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:30,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:30,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:30,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:30,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:22:30,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:30,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 17:22:30,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:30,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:30,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:22:30,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:30,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 17:22:30,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-10-28 17:22:30,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:30,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:30,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:30,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:30,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:22:30,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:30,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:22:30,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:30,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:30,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:30,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:30,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:30,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:30,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:22:30,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:30,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:30,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:30,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:22:30,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:30,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:22:30,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:30,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:30,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:30,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:30,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:30,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:30,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:22:30,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:30,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:30,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:30,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:22:30,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:30,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:22:31,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:31,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:31,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:22:31,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:31,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:22:31,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:31,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:22:31,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:31,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:31,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:31,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:22:31,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:31,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 17:22:31,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:31,048 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:31,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:22:31,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:31,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-28 17:22:31,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:31,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:31,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:31,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:31,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:31,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:22:31,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:31,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:22:31,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:31,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:31,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:31,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:31,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:31,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:31,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:31,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:31,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:31,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:31,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:22:31,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:31,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:22:31,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:31,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:31,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:31,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:31,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:31,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:31,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:22:31,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:31,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:31,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:31,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:22:31,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:31,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:22:31,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:31,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:31,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:31,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:31,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:31,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:31,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:22:31,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:31,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:31,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:31,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:22:31,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:31,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:22:31,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:31,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:31,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:31,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:31,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:31,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:31,081 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 18 proven. 40 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2020-10-28 17:22:31,082 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1975612638] [2020-10-28 17:22:31,082 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:22:31,082 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-28 17:22:31,083 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773826186] [2020-10-28 17:22:31,083 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 17:22:31,083 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:22:31,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 17:22:31,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-28 17:22:31,084 INFO L87 Difference]: Start difference. First operand 73 states and 101 transitions. Second operand 10 states. [2020-10-28 17:22:32,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:22:32,061 INFO L93 Difference]: Finished difference Result 95 states and 147 transitions. [2020-10-28 17:22:32,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 17:22:32,062 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 84 [2020-10-28 17:22:32,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:22:32,064 INFO L225 Difference]: With dead ends: 95 [2020-10-28 17:22:32,064 INFO L226 Difference]: Without dead ends: 90 [2020-10-28 17:22:32,065 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2020-10-28 17:22:32,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2020-10-28 17:22:32,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 82. [2020-10-28 17:22:32,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2020-10-28 17:22:32,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 120 transitions. [2020-10-28 17:22:32,083 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 120 transitions. Word has length 84 [2020-10-28 17:22:32,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:22:32,084 INFO L481 AbstractCegarLoop]: Abstraction has 82 states and 120 transitions. [2020-10-28 17:22:32,084 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 17:22:32,084 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 120 transitions. [2020-10-28 17:22:32,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-10-28 17:22:32,086 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:22:32,086 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:22:32,086 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 17:22:32,086 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:22:32,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:22:32,087 INFO L82 PathProgramCache]: Analyzing trace with hash 707110445, now seen corresponding path program 1 times [2020-10-28 17:22:32,087 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:22:32,087 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1326191383] [2020-10-28 17:22:32,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:22:32,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:32,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:32,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:32,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:32,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:32,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:33,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:33,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:33,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:33,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:33,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:34,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:34,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:34,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:34,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:34,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:34,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:35,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:35,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:35,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:36,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:36,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:36,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:36,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:36,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:36,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:36,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:36,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:36,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:36,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:37,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:37,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-28 17:22:37,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 29 [2020-10-28 17:22:37,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-28 17:22:37,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:37,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:37,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-28 17:22:37,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-28 17:22:37,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-28 17:22:37,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:37,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:22:37,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:37,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:37,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:37,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:22:37,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:37,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:22:37,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:37,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:37,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:37,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:37,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:37,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:37,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:22:37,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:37,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:37,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:37,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:37,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:37,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:37,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:37,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:37,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:37,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:37,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:37,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:38,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:38,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:38,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:38,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:38,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:38,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:38,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:38,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:38,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:38,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:39,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:39,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:40,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:40,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:40,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:40,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:40,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:41,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:41,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:42,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:42,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-28 17:22:42,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 30 [2020-10-28 17:22:42,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-28 17:22:42,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:42,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:42,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-28 17:22:42,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 17:22:42,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-28 17:22:42,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:42,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:42,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:42,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:42,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:42,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:42,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:42,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:42,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:42,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:42,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:42,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:43,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:44,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:47,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:47,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-28 17:22:47,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-28 17:22:47,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4779 [2020-10-28 17:22:47,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:47,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:47,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:22:47,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:47,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-28 17:22:47,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:47,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:47,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:47,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:47,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:47,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:47,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:22:47,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:22:47,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-28 17:22:47,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:47,100 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:47,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 17:22:47,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:47,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 17:22:47,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:47,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:47,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:47,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:47,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:47,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:22:47,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:47,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:22:47,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:47,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:47,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:22:47,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:47,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:22:47,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:47,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:22:47,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:47,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:47,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:47,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:22:47,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:47,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:22:47,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:47,148 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:47,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:22:47,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:47,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:22:47,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:47,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:22:47,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:47,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:47,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:47,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:22:47,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:47,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:22:47,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:47,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:47,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:22:47,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:47,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 17:22:47,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:47,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:47,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:47,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:47,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:47,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:22:47,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:47,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:22:47,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:47,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:47,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:47,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:47,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:47,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:47,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:22:47,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:47,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:47,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:47,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:22:47,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:47,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:22:47,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:47,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:47,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:47,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:47,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:47,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:47,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-28 17:22:47,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:47,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:47,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:47,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:47,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:47,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:47,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:47,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:47,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:47,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:47,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:48,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:48,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:48,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:48,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:48,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:48,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:52,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:52,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-28 17:22:52,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-28 17:22:52,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-28 17:22:52,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:52,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:52,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:22:52,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:22:52,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-28 17:22:52,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:52,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:52,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:52,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:52,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:52,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:52,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:52,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:22:52,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:22:52,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-28 17:22:52,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:52,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:52,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:22:52,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:52,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 17:22:52,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:52,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:52,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:52,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:52,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:52,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:22:52,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:52,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:22:52,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:52,438 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:52,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:22:52,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:52,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:22:52,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:52,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:22:52,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:52,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:52,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:52,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:22:52,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:52,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:22:52,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:52,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:52,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:22:52,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:52,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:22:52,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:52,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:22:52,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:52,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:52,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:52,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:22:52,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:52,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 17:22:52,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:52,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:52,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:22:52,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:52,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 17:22:52,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:52,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:52,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:52,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:52,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:52,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:22:52,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:52,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:22:52,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:52,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:52,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:52,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:52,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:52,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:52,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:22:52,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:52,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:52,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:52,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:22:52,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:52,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:22:52,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:52,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:52,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:52,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:52,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:52,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:52,493 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 56 proven. 94 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2020-10-28 17:22:52,493 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1326191383] [2020-10-28 17:22:52,494 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:22:52,494 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-28 17:22:52,494 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4228635] [2020-10-28 17:22:52,495 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-28 17:22:52,495 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:22:52,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-28 17:22:52,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2020-10-28 17:22:52,496 INFO L87 Difference]: Start difference. First operand 82 states and 120 transitions. Second operand 14 states. [2020-10-28 17:22:52,880 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 37 [2020-10-28 17:22:53,385 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 39 [2020-10-28 17:22:53,561 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2020-10-28 17:22:53,842 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2020-10-28 17:22:54,194 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 38 [2020-10-28 17:22:55,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:22:55,006 INFO L93 Difference]: Finished difference Result 185 states and 329 transitions. [2020-10-28 17:22:55,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-28 17:22:55,007 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 110 [2020-10-28 17:22:55,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:22:55,014 INFO L225 Difference]: With dead ends: 185 [2020-10-28 17:22:55,015 INFO L226 Difference]: Without dead ends: 95 [2020-10-28 17:22:55,017 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=152, Invalid=660, Unknown=0, NotChecked=0, Total=812 [2020-10-28 17:22:55,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2020-10-28 17:22:55,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 90. [2020-10-28 17:22:55,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-10-28 17:22:55,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 132 transitions. [2020-10-28 17:22:55,053 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 132 transitions. Word has length 110 [2020-10-28 17:22:55,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:22:55,054 INFO L481 AbstractCegarLoop]: Abstraction has 90 states and 132 transitions. [2020-10-28 17:22:55,054 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-28 17:22:55,054 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 132 transitions. [2020-10-28 17:22:55,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-10-28 17:22:55,060 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:22:55,060 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 8, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:22:55,060 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 17:22:55,061 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:22:55,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:22:55,061 INFO L82 PathProgramCache]: Analyzing trace with hash -1143362787, now seen corresponding path program 2 times [2020-10-28 17:22:55,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:22:55,062 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [522057366] [2020-10-28 17:22:55,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:22:55,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:55,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:55,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:55,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:55,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:55,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:55,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:55,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:55,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:55,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:00,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:00,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-28 17:23:00,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-28 17:23:00,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-28 17:23:00,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:00,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:00,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:23:00,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-28 17:23:00,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-28 17:23:00,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:00,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:23:00,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:00,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:00,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:00,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:23:00,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:00,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:23:00,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:00,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:00,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:00,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:00,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:00,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:00,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:23:00,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:00,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:00,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:00,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:00,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:00,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:00,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:00,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:00,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:00,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:01,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:05,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:05,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-28 17:23:05,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-28 17:23:05,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-28 17:23:05,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:05,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:05,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:23:05,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 17:23:05,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-28 17:23:05,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:05,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:05,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:05,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:05,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:05,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:05,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:05,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:05,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:05,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 17:23:05,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 17:23:05,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 682 [2020-10-28 17:23:05,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:05,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:05,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:23:05,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 17:23:05,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-28 17:23:05,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:05,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:05,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:05,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:05,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:05,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:05,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:05,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 17:23:05,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:23:05,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-28 17:23:05,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:05,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:05,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:23:05,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:05,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-28 17:23:05,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:06,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:06,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:06,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:06,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:06,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:23:06,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:06,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:23:06,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:06,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:06,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:23:06,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:06,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:23:06,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:06,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:23:06,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:06,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:06,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:06,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:23:06,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:06,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:23:06,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:06,089 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:06,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:23:06,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:06,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:23:06,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:06,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 17:23:06,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:06,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:06,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:06,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:06,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:06,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:23:06,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:23:06,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 17:23:06,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:06,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:06,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:23:06,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:23:06,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 17:23:06,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:06,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:06,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:06,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:06,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:06,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:06,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:23:06,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:23:06,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 17:23:06,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:06,163 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:06,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:23:06,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:06,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:23:06,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:06,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:23:06,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:06,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:06,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:06,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:23:06,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:06,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:23:06,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:06,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:06,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:23:06,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:06,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:23:06,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:06,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-28 17:23:06,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:06,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:06,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:06,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:06,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:06,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:06,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:06,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:06,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 17:23:06,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 17:23:06,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 614 [2020-10-28 17:23:06,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:06,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:06,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:06,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-28 17:23:06,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:06,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:06,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:06,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:06,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:06,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:06,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:06,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:06,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 17:23:06,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:23:06,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 17:23:06,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:06,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:06,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:06,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:06,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:06,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:06,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:06,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:06,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:06,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:06,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:23:06,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:06,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:23:06,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:06,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:06,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:06,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:06,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:06,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:06,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:23:06,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:06,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:06,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:06,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:23:06,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:06,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:23:06,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:06,876 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:06,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:06,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:06,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:06,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:06,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 17:23:06,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:06,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:06,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:06,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:23:06,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:06,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:23:06,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:06,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:06,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:06,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:06,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:06,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:06,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:06,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:06,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:06,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:06,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:23:06,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:06,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:23:06,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:06,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:06,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:06,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:06,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:06,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:06,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:23:06,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:06,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:06,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:06,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:23:06,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:06,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:23:06,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:06,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:06,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:06,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:06,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:06,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:06,909 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 38 proven. 106 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2020-10-28 17:23:06,909 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [522057366] [2020-10-28 17:23:06,909 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:23:06,909 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-28 17:23:06,909 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593409133] [2020-10-28 17:23:06,910 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 17:23:06,910 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:23:06,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 17:23:06,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-28 17:23:06,911 INFO L87 Difference]: Start difference. First operand 90 states and 132 transitions. Second operand 11 states. [2020-10-28 17:23:07,683 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2020-10-28 17:23:08,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:23:08,031 INFO L93 Difference]: Finished difference Result 178 states and 288 transitions. [2020-10-28 17:23:08,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 17:23:08,032 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 112 [2020-10-28 17:23:08,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:23:08,035 INFO L225 Difference]: With dead ends: 178 [2020-10-28 17:23:08,035 INFO L226 Difference]: Without dead ends: 91 [2020-10-28 17:23:08,036 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 32 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2020-10-28 17:23:08,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-10-28 17:23:08,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 83. [2020-10-28 17:23:08,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2020-10-28 17:23:08,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 120 transitions. [2020-10-28 17:23:08,049 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 120 transitions. Word has length 112 [2020-10-28 17:23:08,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:23:08,049 INFO L481 AbstractCegarLoop]: Abstraction has 83 states and 120 transitions. [2020-10-28 17:23:08,049 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 17:23:08,049 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 120 transitions. [2020-10-28 17:23:08,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-28 17:23:08,051 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:23:08,051 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 7, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:23:08,052 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-28 17:23:08,052 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:23:08,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:23:08,052 INFO L82 PathProgramCache]: Analyzing trace with hash 1304365084, now seen corresponding path program 1 times [2020-10-28 17:23:08,053 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:23:08,053 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [252114606] [2020-10-28 17:23:08,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:23:08,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:08,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:08,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:08,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:08,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:08,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:08,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:08,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:08,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:08,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:09,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:10,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:10,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:10,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:13,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:13,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-10-28 17:23:13,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-28 17:23:13,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-28 17:23:13,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:13,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:13,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-28 17:23:13,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:23:13,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-28 17:23:13,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:13,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:23:13,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:13,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:13,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:13,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:23:13,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:13,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:23:13,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:13,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:13,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:13,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:13,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:13,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:13,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:23:13,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:13,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:13,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:13,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:13,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:13,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:13,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:13,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:13,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:13,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:13,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:13,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:13,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:13,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:13,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:13,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:15,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:18,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:18,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-28 17:23:18,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-28 17:23:18,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-28 17:23:18,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:18,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:18,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-28 17:23:18,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 17:23:18,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-28 17:23:18,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:18,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:18,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:18,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:18,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:18,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:18,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:18,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:18,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:18,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:18,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:18,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:18,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:18,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:19,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:19,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:19,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:19,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:19,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:19,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:19,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:20,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:20,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:20,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:20,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:20,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:20,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:20,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:20,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:21,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:21,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:23,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:23,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-28 17:23:23,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 28 [2020-10-28 17:23:23,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-28 17:23:23,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:23,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:23,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-28 17:23:23,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 17:23:23,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-28 17:23:23,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:23,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:23,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:23,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:23,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:23,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:23,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:23,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:23,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:24,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:24,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:23:24,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 17:23:24,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 992 [2020-10-28 17:23:24,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:24,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:24,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:23:24,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:24,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-28 17:23:24,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:24,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:24,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:24,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:24,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:24,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:24,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:24,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:23:24,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:23:24,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-10-28 17:23:24,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:24,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:24,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-28 17:23:24,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:24,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 17:23:24,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:24,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:24,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:24,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:24,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:24,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:24,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:23:24,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:23:24,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 17:23:24,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:24,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:24,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:23:24,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:24,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:23:24,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:24,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:23:24,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:24,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:24,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:24,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:23:24,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:24,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:23:24,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:24,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:24,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:23:24,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:24,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:23:24,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:24,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:23:24,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:24,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:24,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:24,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:23:24,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:24,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:23:24,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:24,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:24,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:23:24,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:24,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:23:24,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:24,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:23:24,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:24,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:24,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:24,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:24,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:24,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:24,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:24,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:24,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:24,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-28 17:23:24,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 17:23:24,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 351 [2020-10-28 17:23:24,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:24,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:24,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:23:24,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:23:24,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-28 17:23:24,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:24,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:24,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:24,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:24,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:24,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:25,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:25,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:23:25,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:23:25,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-10-28 17:23:25,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:25,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:25,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:23:25,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:25,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 17:23:25,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:25,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:25,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:25,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:25,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:25,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:23:25,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:25,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:23:25,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:25,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:25,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:23:25,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:25,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:23:25,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:25,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:23:25,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:25,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:25,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:25,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:23:25,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:25,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:23:25,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:25,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:25,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:23:25,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:25,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:23:25,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:25,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:23:25,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:25,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:25,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:25,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:23:25,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:25,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:23:25,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:25,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:25,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:23:25,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:25,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:23:25,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:25,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-28 17:23:25,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:25,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:25,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:25,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:23:25,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:25,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:23:25,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:25,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:25,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:25,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-28 17:23:25,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:25,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:25,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:25,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:25,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:25,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:25,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:23:25,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:25,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:23:25,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:25,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:25,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:25,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:25,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:25,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:25,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:25,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:25,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:25,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:25,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:23:25,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:25,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:23:25,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:25,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:25,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:25,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:25,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:25,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:25,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:23:25,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:25,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:25,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:25,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:23:25,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:25,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:23:25,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:25,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:25,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:25,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:25,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:25,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:25,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:23:25,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:25,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:25,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:25,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:23:25,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:25,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:23:25,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:25,250 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:25,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:25,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:25,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:25,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:25,270 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 56 proven. 145 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2020-10-28 17:23:25,270 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [252114606] [2020-10-28 17:23:25,270 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:23:25,271 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-28 17:23:25,271 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492635042] [2020-10-28 17:23:25,271 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-28 17:23:25,271 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:23:25,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-28 17:23:25,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2020-10-28 17:23:25,272 INFO L87 Difference]: Start difference. First operand 83 states and 120 transitions. Second operand 17 states. [2020-10-28 17:23:26,242 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2020-10-28 17:23:26,492 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 36 [2020-10-28 17:23:27,135 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2020-10-28 17:23:27,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:23:27,577 INFO L93 Difference]: Finished difference Result 183 states and 322 transitions. [2020-10-28 17:23:27,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-28 17:23:27,579 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 124 [2020-10-28 17:23:27,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:23:27,583 INFO L225 Difference]: With dead ends: 183 [2020-10-28 17:23:27,583 INFO L226 Difference]: Without dead ends: 108 [2020-10-28 17:23:27,585 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=143, Invalid=787, Unknown=0, NotChecked=0, Total=930 [2020-10-28 17:23:27,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2020-10-28 17:23:27,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 105. [2020-10-28 17:23:27,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-10-28 17:23:27,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 154 transitions. [2020-10-28 17:23:27,604 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 154 transitions. Word has length 124 [2020-10-28 17:23:27,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:23:27,605 INFO L481 AbstractCegarLoop]: Abstraction has 105 states and 154 transitions. [2020-10-28 17:23:27,605 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-28 17:23:27,605 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 154 transitions. [2020-10-28 17:23:27,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-28 17:23:27,607 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:23:27,608 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 8, 7, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:23:27,608 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-28 17:23:27,608 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:23:27,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:23:27,609 INFO L82 PathProgramCache]: Analyzing trace with hash -1001167155, now seen corresponding path program 2 times [2020-10-28 17:23:27,609 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:23:27,609 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1725948422] [2020-10-28 17:23:27,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:23:27,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:27,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:27,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:27,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:27,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:27,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:27,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:27,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:27,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:27,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:27,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:28,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:28,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:28,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:28,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:28,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:28,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:28,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:28,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:28,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:28,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:28,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:29,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:29,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:29,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:29,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:29,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:29,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:32,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:32,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 184 [2020-10-28 17:23:32,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 27 [2020-10-28 17:23:32,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-28 17:23:32,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:32,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:32,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-28 17:23:32,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-28 17:23:32,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-28 17:23:32,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:32,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:23:32,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:32,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:32,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:32,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:23:32,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:32,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:23:32,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:32,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:32,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:32,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:32,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:32,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:32,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:23:32,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:32,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:32,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:32,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:32,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:32,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:32,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:32,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:32,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:32,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:32,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:33,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:33,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:33,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:33,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:33,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:33,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:33,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:34,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:37,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:37,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-10-28 17:23:37,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-28 17:23:37,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-28 17:23:37,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:37,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:37,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-28 17:23:37,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 17:23:37,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-28 17:23:37,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:37,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:37,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:37,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:37,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:37,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:37,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:37,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:37,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:37,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:38,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:38,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:38,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:38,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:38,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:38,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:42,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:42,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 17:23:42,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-28 17:23:42,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 17:23:42,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:42,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:42,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:23:42,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:42,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-28 17:23:42,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:42,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:42,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:42,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:42,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:42,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:42,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:42,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:42,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:44,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:44,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:23:44,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 17:23:44,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1272 [2020-10-28 17:23:44,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:44,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:44,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 17:23:44,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:44,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-28 17:23:44,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:44,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:44,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:44,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:44,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:44,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:23:44,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:44,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 17:23:44,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:44,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:44,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:23:44,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:44,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 17:23:44,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:44,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:44,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:44,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:44,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:44,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:23:44,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:44,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:23:44,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:44,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:44,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:44,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:44,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:44,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:44,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:23:44,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:44,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:44,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:44,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:23:44,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:44,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:23:44,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:44,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:44,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:44,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:44,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:44,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:44,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:23:44,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:44,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:44,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:44,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:23:44,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:44,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 17:23:44,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:44,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:44,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:23:44,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:44,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:23:44,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:44,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:23:44,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:44,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:44,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:44,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:23:44,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:44,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 17:23:44,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:44,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:44,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:23:44,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:44,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 17:23:44,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:44,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:44,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:44,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:44,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:44,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:23:44,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:44,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:23:44,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:44,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:44,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:44,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:44,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:44,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:44,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:23:44,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:44,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:44,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:44,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:23:44,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:44,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:23:44,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:44,240 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:44,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:44,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:44,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:44,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:44,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 17:23:44,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:44,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:44,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:44,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:44,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:44,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:44,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:44,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:44,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:48,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:48,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 17:23:48,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-28 17:23:48,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4508 [2020-10-28 17:23:48,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:48,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:48,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:23:48,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:23:48,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-28 17:23:48,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:48,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:48,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:48,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:48,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:48,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:48,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:48,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:48,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:49,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:49,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:23:49,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 17:23:49,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 833 [2020-10-28 17:23:49,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:49,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:49,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 17:23:49,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:49,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-28 17:23:49,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:49,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:49,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:49,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:49,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:49,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:23:49,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:49,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:23:49,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:49,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:49,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:23:49,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:49,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 17:23:49,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:49,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:49,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:49,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:49,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:49,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:23:49,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:49,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:23:49,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:49,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:49,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:49,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:49,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:49,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:49,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:23:49,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:49,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:49,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:49,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:23:49,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:49,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:23:49,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:49,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:49,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:49,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:49,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:49,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:49,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:23:49,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:49,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:49,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:49,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:49,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:23:49,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:23:49,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:23:49,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:49,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:49,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:23:49,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:49,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:23:49,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:49,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:23:49,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:49,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:49,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:49,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:23:49,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:49,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:23:49,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:49,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:49,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:23:49,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:49,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 17:23:49,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:49,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:49,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:49,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:49,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:49,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:23:49,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:49,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:23:49,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:49,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:49,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:49,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:49,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:49,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:49,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:23:49,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:49,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:49,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:49,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:23:49,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:49,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:23:49,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:49,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:49,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:49,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:49,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:49,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:49,771 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 112 proven. 112 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2020-10-28 17:23:49,772 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1725948422] [2020-10-28 17:23:49,772 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:23:49,772 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-28 17:23:49,772 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369393828] [2020-10-28 17:23:49,773 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-28 17:23:49,773 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:23:49,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-28 17:23:49,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-10-28 17:23:49,774 INFO L87 Difference]: Start difference. First operand 105 states and 154 transitions. Second operand 13 states. [2020-10-28 17:23:50,735 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2020-10-28 17:23:51,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:23:51,308 INFO L93 Difference]: Finished difference Result 221 states and 400 transitions. [2020-10-28 17:23:51,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 17:23:51,310 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 138 [2020-10-28 17:23:51,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:23:51,312 INFO L225 Difference]: With dead ends: 221 [2020-10-28 17:23:51,313 INFO L226 Difference]: Without dead ends: 130 [2020-10-28 17:23:51,314 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=105, Invalid=401, Unknown=0, NotChecked=0, Total=506 [2020-10-28 17:23:51,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2020-10-28 17:23:51,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 124. [2020-10-28 17:23:51,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-10-28 17:23:51,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 189 transitions. [2020-10-28 17:23:51,330 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 189 transitions. Word has length 138 [2020-10-28 17:23:51,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:23:51,331 INFO L481 AbstractCegarLoop]: Abstraction has 124 states and 189 transitions. [2020-10-28 17:23:51,331 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-28 17:23:51,331 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 189 transitions. [2020-10-28 17:23:51,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-28 17:23:51,333 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:23:51,333 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:23:51,334 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-28 17:23:51,334 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:23:51,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:23:51,334 INFO L82 PathProgramCache]: Analyzing trace with hash 2083902716, now seen corresponding path program 3 times [2020-10-28 17:23:51,334 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:23:51,335 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1413363657] [2020-10-28 17:23:51,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:23:51,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:51,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:51,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:51,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:51,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:51,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:56,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:56,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-10-28 17:23:56,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 17:23:56,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-28 17:23:56,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:56,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:56,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-28 17:23:56,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:23:56,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-28 17:23:56,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:56,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:23:56,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:56,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:56,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:56,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:23:56,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:56,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:23:56,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:56,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:56,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:56,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:56,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:56,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:56,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:23:56,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:56,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:56,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:56,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:56,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:56,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:57,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:01,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:01,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-28 17:24:01,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 17:24:01,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-28 17:24:01,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:01,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:01,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-28 17:24:01,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:24:01,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-28 17:24:01,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:01,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:24:01,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:01,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:01,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:01,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:01,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:02,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:06,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:06,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 17:24:06,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 17:24:06,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 17:24:06,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:06,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:06,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-28 17:24:06,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:06,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-28 17:24:06,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:06,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:24:06,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:06,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:06,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:06,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:06,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:06,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:24:06,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:24:06,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 369 [2020-10-28 17:24:06,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:06,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:06,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-28 17:24:06,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:06,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-28 17:24:06,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:06,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:24:06,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:06,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:06,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:06,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:06,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:24:06,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:24:06,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-28 17:24:06,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:06,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:06,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 17:24:06,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:06,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 17:24:06,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:06,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:24:06,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:06,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:06,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:06,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:24:06,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:06,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:24:06,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:06,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:06,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:24:06,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:06,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:24:06,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:06,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:24:06,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:06,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:06,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:06,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:24:06,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:06,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:24:06,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:06,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:06,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:24:06,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:06,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:24:06,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:07,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:24:07,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:07,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:07,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:07,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:24:07,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:07,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:24:07,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:07,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:07,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:24:07,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:07,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:24:07,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:07,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:24:07,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:07,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:07,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:07,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:24:07,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:07,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:24:07,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:07,029 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:07,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:24:07,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:07,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 17:24:07,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:07,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:24:07,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:07,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:07,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:07,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:24:07,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:07,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:24:07,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:07,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:07,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:07,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:07,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:07,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:07,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:24:07,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:07,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:07,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:07,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:24:07,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:07,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:24:07,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:07,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:07,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:07,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:07,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:07,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:07,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 17:24:07,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:07,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:07,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:07,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:24:07,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:07,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 17:24:07,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:07,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:07,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:24:07,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:07,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-28 17:24:07,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:07,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:24:07,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:07,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:07,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:07,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:24:07,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:07,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:24:07,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:07,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:07,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:07,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:07,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:07,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:07,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:24:07,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:07,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:07,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:07,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:24:07,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:07,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:24:07,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:07,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:07,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:07,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:07,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:07,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:07,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:24:07,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:07,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:07,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:07,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:24:07,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:07,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:24:07,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:07,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:07,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:07,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:07,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:07,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:07,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:24:07,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:07,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:07,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:07,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:24:07,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:07,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:24:07,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:07,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:07,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:07,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:07,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:07,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:07,077 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 23 proven. 103 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2020-10-28 17:24:07,078 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1413363657] [2020-10-28 17:24:07,078 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:24:07,078 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-28 17:24:07,078 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922335249] [2020-10-28 17:24:07,079 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 17:24:07,079 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:24:07,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 17:24:07,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-10-28 17:24:07,079 INFO L87 Difference]: Start difference. First operand 124 states and 189 transitions. Second operand 11 states. [2020-10-28 17:24:08,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:24:08,126 INFO L93 Difference]: Finished difference Result 147 states and 231 transitions. [2020-10-28 17:24:08,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 17:24:08,127 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 111 [2020-10-28 17:24:08,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:24:08,130 INFO L225 Difference]: With dead ends: 147 [2020-10-28 17:24:08,130 INFO L226 Difference]: Without dead ends: 142 [2020-10-28 17:24:08,132 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=73, Invalid=269, Unknown=0, NotChecked=0, Total=342 [2020-10-28 17:24:08,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2020-10-28 17:24:08,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 129. [2020-10-28 17:24:08,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2020-10-28 17:24:08,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 197 transitions. [2020-10-28 17:24:08,158 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 197 transitions. Word has length 111 [2020-10-28 17:24:08,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:24:08,159 INFO L481 AbstractCegarLoop]: Abstraction has 129 states and 197 transitions. [2020-10-28 17:24:08,159 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 17:24:08,159 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 197 transitions. [2020-10-28 17:24:08,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-28 17:24:08,163 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:24:08,163 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 8, 7, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:24:08,163 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-28 17:24:08,164 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:24:08,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:24:08,164 INFO L82 PathProgramCache]: Analyzing trace with hash 2083109613, now seen corresponding path program 4 times [2020-10-28 17:24:08,164 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:24:08,164 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [659185089] [2020-10-28 17:24:08,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:24:08,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:08,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:08,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:08,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:08,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:08,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:08,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:08,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:08,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:08,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:08,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:08,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:09,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:09,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:09,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:09,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:09,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:09,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:09,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:09,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:09,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:09,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:09,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:09,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:10,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:13,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:13,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 184 [2020-10-28 17:24:13,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 24 [2020-10-28 17:24:13,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-28 17:24:13,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:13,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:13,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-28 17:24:13,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:24:13,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-28 17:24:13,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:13,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:24:13,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:13,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:13,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:13,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:24:13,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:13,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:24:13,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:13,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:13,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:13,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:13,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:13,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:13,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:24:13,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:13,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:13,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:13,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:13,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:13,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:13,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:13,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:13,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:13,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:13,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:13,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:13,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:13,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:13,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:16,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:17,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:17,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:17,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:17,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:17,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:17,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:18,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:18,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-10-28 17:24:18,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-28 17:24:18,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-28 17:24:18,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:18,295 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:18,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-28 17:24:18,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 17:24:18,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-28 17:24:18,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:18,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:24:18,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:18,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:18,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:18,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:18,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:18,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:18,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:19,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:19,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:19,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:19,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:19,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:19,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:19,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:19,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:19,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:19,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:19,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:19,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:19,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:19,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:19,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:19,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:19,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:19,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:20,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:20,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:20,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:20,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:20,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:20,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:20,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:21,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:21,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:21,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:21,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:21,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:23,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:23,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-28 17:24:23,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 36 [2020-10-28 17:24:23,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-28 17:24:23,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:23,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:23,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-28 17:24:23,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 17:24:23,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-28 17:24:23,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:23,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:24:23,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:23,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:23,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:23,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:23,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:23,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:23,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:24,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:24,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 17:24:24,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 17:24:24,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1225 [2020-10-28 17:24:24,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:24,568 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:24,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:24:24,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:24,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-28 17:24:24,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:24,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:24:24,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:24,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:24,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:24,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:24,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:24,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:24,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:24,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:24,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:24:24,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 17:24:24,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 234 [2020-10-28 17:24:24,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:24,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:24,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:24:24,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:24,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-28 17:24:24,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:24,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:24:24,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:24,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:24,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:24,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:24:24,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:24,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:24:24,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:24,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:24,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:24,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:24,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:24,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:24,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:24:24,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:24,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:24,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:24,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:24:24,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:24,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:24:24,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:24,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:24,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:24,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:24,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:24,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:24,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:24:24,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:24,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:24,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:24,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:24:24,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:24,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:24:24,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:24,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:24,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:24,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:24,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:24,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:24,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:24:24,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:24,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:24,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:24,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:24:24,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:24,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:24:24,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:24,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:24,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:24,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:24,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:24,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:24,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:24:24,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:24,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:24,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:24,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:24:24,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:24,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:24:24,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:24,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:24,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:24:24,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:24,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:24:24,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:24,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-28 17:24:24,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:24,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:24,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:24,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:24,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:24,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:25,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:25,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:25,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:25,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-28 17:24:25,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 17:24:25,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 551 [2020-10-28 17:24:25,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:25,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:25,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:24:25,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:24:25,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-28 17:24:25,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:25,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:24:25,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:25,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:25,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:25,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:25,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:25,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:24:25,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:24:25,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-28 17:24:25,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:25,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:25,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:24:25,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:25,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 17:24:25,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:25,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:24:25,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:25,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:25,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:25,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:24:25,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:25,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:24:25,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:25,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:25,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:24:25,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:25,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:24:25,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:25,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:24:25,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:25,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:25,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:25,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:24:25,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:25,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:24:25,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:25,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:25,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:24:25,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:25,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:24:25,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:25,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:24:25,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:25,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:25,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:25,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:24:25,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:25,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:24:25,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:25,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:25,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:24:25,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:25,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:24:25,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:25,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 17:24:25,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:25,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:25,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:25,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:24:25,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:25,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:24:25,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:25,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:25,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:25,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-28 17:24:25,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:25,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:25,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:24:25,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:25,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:25,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:25,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:24:25,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:25,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:24:25,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:25,784 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:25,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:25,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:25,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:25,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:25,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:24:25,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:25,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:25,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:25,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:24:25,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:25,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:24:25,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:25,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:25,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:25,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:25,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:25,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:25,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:24:25,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:25,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:25,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:25,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:24:25,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:25,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:24:25,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:25,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:25,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:25,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:25,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:25,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:25,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:24:25,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:25,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:25,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:25,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:24:25,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:25,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:24:25,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:25,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:25,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:25,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:25,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:25,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:25,820 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 102 proven. 96 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2020-10-28 17:24:25,821 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [659185089] [2020-10-28 17:24:25,821 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:24:25,821 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-28 17:24:25,821 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702199979] [2020-10-28 17:24:25,822 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-28 17:24:25,822 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:24:25,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-28 17:24:25,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-10-28 17:24:25,822 INFO L87 Difference]: Start difference. First operand 129 states and 197 transitions. Second operand 14 states. [2020-10-28 17:24:26,379 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 37 [2020-10-28 17:24:26,557 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 37 [2020-10-28 17:24:26,951 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 38 [2020-10-28 17:24:27,467 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 38 [2020-10-28 17:24:27,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:24:27,774 INFO L93 Difference]: Finished difference Result 244 states and 402 transitions. [2020-10-28 17:24:27,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 17:24:27,775 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 138 [2020-10-28 17:24:27,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:24:27,778 INFO L225 Difference]: With dead ends: 244 [2020-10-28 17:24:27,779 INFO L226 Difference]: Without dead ends: 129 [2020-10-28 17:24:27,781 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=101, Invalid=451, Unknown=0, NotChecked=0, Total=552 [2020-10-28 17:24:27,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2020-10-28 17:24:27,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2020-10-28 17:24:27,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2020-10-28 17:24:27,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 193 transitions. [2020-10-28 17:24:27,808 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 193 transitions. Word has length 138 [2020-10-28 17:24:27,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:24:27,808 INFO L481 AbstractCegarLoop]: Abstraction has 129 states and 193 transitions. [2020-10-28 17:24:27,808 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-28 17:24:27,809 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 193 transitions. [2020-10-28 17:24:27,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-28 17:24:27,811 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:24:27,811 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:24:27,811 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-28 17:24:27,811 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:24:27,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:24:27,812 INFO L82 PathProgramCache]: Analyzing trace with hash 195814027, now seen corresponding path program 3 times [2020-10-28 17:24:27,813 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:24:27,813 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [917900119] [2020-10-28 17:24:27,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:24:27,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:27,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:27,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:27,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:27,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:27,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:27,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:28,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:28,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:29,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:29,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:29,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:30,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:30,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:32,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:32,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-28 17:24:32,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-28 17:24:32,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 17:24:32,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:32,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:32,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-28 17:24:32,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:24:32,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-28 17:24:32,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:32,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:24:32,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:32,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:32,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:32,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:24:32,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:32,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:24:32,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:32,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:32,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:32,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:32,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:32,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:32,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:24:32,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:32,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:32,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:32,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:32,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:32,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:32,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:33,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:33,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:33,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:33,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:33,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:33,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:33,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:34,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:34,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:34,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:34,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:37,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:37,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-28 17:24:37,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-28 17:24:37,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-28 17:24:37,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:37,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:37,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-28 17:24:37,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 17:24:37,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-28 17:24:37,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:37,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:24:37,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:37,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:37,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:37,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:37,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:38,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:38,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:38,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:38,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:38,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:39,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:39,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:39,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:39,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:39,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:39,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:39,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:39,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:39,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:40,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:40,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:40,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:40,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:40,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:40,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:41,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:42,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:42,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-28 17:24:42,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 25 [2020-10-28 17:24:42,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 17:24:42,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:42,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:42,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-28 17:24:42,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 17:24:42,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-28 17:24:42,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:42,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:24:42,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:42,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:42,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:42,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:42,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:42,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:42,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:43,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:43,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:43,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:43,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:43,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:43,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:43,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:47,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:47,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 17:24:47,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-28 17:24:47,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 17:24:47,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:47,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:47,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-28 17:24:47,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:47,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-28 17:24:47,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:48,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:24:48,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:48,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:48,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:48,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:48,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:48,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:48,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:48,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:48,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:24:48,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 17:24:48,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 869 [2020-10-28 17:24:48,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:48,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:48,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:24:48,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:48,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-28 17:24:48,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:48,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:24:48,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:48,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:48,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:48,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:48,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:48,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:24:48,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:24:48,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-28 17:24:48,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:48,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:48,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:24:48,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:48,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 17:24:48,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:49,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:24:49,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:49,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:49,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:49,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:24:49,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:49,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:24:49,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:49,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:49,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:24:49,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:49,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:24:49,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:49,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:24:49,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:49,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:49,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:49,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:24:49,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:49,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:24:49,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:49,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:49,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:24:49,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:49,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:24:49,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:49,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:24:49,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:49,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:49,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:49,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:24:49,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:49,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:24:49,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:49,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:49,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:24:49,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:49,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:24:49,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:49,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:24:49,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:49,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:49,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:49,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:24:49,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:49,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:24:49,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:49,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:49,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:24:49,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:49,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:24:49,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:49,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-28 17:24:49,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:49,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:49,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:49,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:49,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:24:49,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:24:49,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-28 17:24:49,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:49,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:49,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:24:49,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:24:49,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 17:24:49,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:49,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:24:49,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:49,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:49,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:49,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:24:49,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:49,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:24:49,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:49,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:49,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:24:49,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:49,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:24:49,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:49,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:24:49,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:49,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:49,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:49,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:24:49,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:49,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:24:49,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:49,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:49,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:24:49,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:49,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:24:49,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:49,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-28 17:24:49,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:49,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:49,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:49,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:24:49,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:49,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 17:24:49,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:49,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:49,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:49,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-28 17:24:49,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:49,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:49,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:24:49,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:49,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:49,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:49,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:24:49,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:49,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:24:49,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:49,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:49,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:49,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:49,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:49,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:49,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:24:49,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:49,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:49,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:49,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:24:49,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:49,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:24:49,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:49,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:49,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:49,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:49,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:49,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:49,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:24:49,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:49,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:49,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:49,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:24:49,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:49,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:24:49,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:49,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:49,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:49,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:49,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:49,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:49,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:24:49,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:49,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:49,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:49,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:24:49,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:49,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:24:49,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:49,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:49,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:49,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:49,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:49,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:49,365 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 75 proven. 112 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2020-10-28 17:24:49,365 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [917900119] [2020-10-28 17:24:49,365 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:24:49,365 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-28 17:24:49,366 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870906133] [2020-10-28 17:24:49,366 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-28 17:24:49,366 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:24:49,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-28 17:24:49,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=207, Unknown=0, NotChecked=0, Total=240 [2020-10-28 17:24:49,367 INFO L87 Difference]: Start difference. First operand 129 states and 193 transitions. Second operand 16 states. [2020-10-28 17:24:49,724 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 37 [2020-10-28 17:24:50,195 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 37 [2020-10-28 17:24:50,809 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 37 [2020-10-28 17:24:51,015 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-10-28 17:24:51,251 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 38 [2020-10-28 17:24:51,735 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2020-10-28 17:24:52,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:24:52,031 INFO L93 Difference]: Finished difference Result 217 states and 343 transitions. [2020-10-28 17:24:52,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-28 17:24:52,033 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 125 [2020-10-28 17:24:52,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:24:52,035 INFO L225 Difference]: With dead ends: 217 [2020-10-28 17:24:52,035 INFO L226 Difference]: Without dead ends: 97 [2020-10-28 17:24:52,038 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=154, Invalid=776, Unknown=0, NotChecked=0, Total=930 [2020-10-28 17:24:52,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2020-10-28 17:24:52,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2020-10-28 17:24:52,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2020-10-28 17:24:52,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 123 transitions. [2020-10-28 17:24:52,049 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 123 transitions. Word has length 125 [2020-10-28 17:24:52,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:24:52,049 INFO L481 AbstractCegarLoop]: Abstraction has 97 states and 123 transitions. [2020-10-28 17:24:52,049 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-28 17:24:52,049 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 123 transitions. [2020-10-28 17:24:52,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-28 17:24:52,050 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:24:52,051 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 10, 9, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:24:52,051 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-28 17:24:52,051 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:24:52,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:24:52,051 INFO L82 PathProgramCache]: Analyzing trace with hash 1444131569, now seen corresponding path program 5 times [2020-10-28 17:24:52,051 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:24:52,055 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [284193465] [2020-10-28 17:24:52,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:24:52,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:52,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:52,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:52,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:52,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:52,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:52,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:52,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:52,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:52,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:52,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:57,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:57,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 220 [2020-10-28 17:24:57,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-28 17:24:57,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-28 17:24:57,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:57,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:57,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-28 17:24:57,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-28 17:24:57,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-28 17:24:57,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:57,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:24:57,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:57,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:57,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:57,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:24:57,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:57,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:24:57,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:57,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:57,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:57,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:57,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:57,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:57,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:24:57,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:57,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:57,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:57,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:57,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:57,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:57,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:57,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:57,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:57,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:58,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:58,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:58,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:59,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:59,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:02,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:25:02,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 204 [2020-10-28 17:25:02,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-28 17:25:02,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 17:25:02,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:25:02,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:25:02,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-28 17:25:02,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-28 17:25:02,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-28 17:25:02,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:25:02,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:25:02,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:25:02,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:02,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:02,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:02,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:02,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:02,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:02,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:02,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:02,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:02,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:02,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:02,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:02,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:02,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:02,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:02,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:02,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:02,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:02,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:07,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:25:07,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-28 17:25:07,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-28 17:25:07,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-28 17:25:07,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:25:07,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:25:07,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-28 17:25:07,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 17:25:07,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-28 17:25:07,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:25:07,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:25:07,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:25:07,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:07,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:07,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:07,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:07,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking...