/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --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 -i ../../../trunk/examples/svcomp/recursive/Fibonacci05.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 02:00:18,123 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 02:00:18,125 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 02:00:18,150 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 02:00:18,150 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 02:00:18,151 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 02:00:18,153 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 02:00:18,154 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 02:00:18,158 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 02:00:18,159 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 02:00:18,160 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 02:00:18,164 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 02:00:18,165 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 02:00:18,168 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 02:00:18,170 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 02:00:18,171 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 02:00:18,174 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 02:00:18,177 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 02:00:18,178 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 02:00:18,181 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 02:00:18,184 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 02:00:18,187 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 02:00:18,190 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 02:00:18,192 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 02:00:18,194 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 02:00:18,194 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 02:00:18,194 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 02:00:18,198 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 02:00:18,198 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 02:00:18,199 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 02:00:18,199 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 02:00:18,208 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 02:00:18,209 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 02:00:18,210 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 02:00:18,211 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 02:00:18,213 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 02:00:18,214 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 02:00:18,214 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 02:00:18,214 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 02:00:18,215 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 02:00:18,216 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 02:00:18,219 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 [2020-10-15 02:00:18,257 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 02:00:18,257 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 02:00:18,258 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 02:00:18,258 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 02:00:18,259 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 02:00:18,259 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 02:00:18,259 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 02:00:18,259 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 02:00:18,259 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 02:00:18,259 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 02:00:18,260 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 02:00:18,260 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 02:00:18,260 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 02:00:18,260 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 02:00:18,260 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 02:00:18,261 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 02:00:18,261 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 02:00:18,261 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 02:00:18,261 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 02:00:18,261 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 02:00:18,261 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 02:00:18,262 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 02:00:18,262 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 02:00:18,262 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 02:00:18,262 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 02:00:18,262 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 02:00:18,263 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 02:00:18,263 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 02:00:18,263 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 02:00:18,263 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-15 02:00:18,553 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 02:00:18,570 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 02:00:18,574 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 02:00:18,576 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 02:00:18,577 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 02:00:18,577 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive/Fibonacci05.c [2020-10-15 02:00:18,647 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fe7b747d5/4289c6621803443fa05d679e851c8a96/FLAG1b4066f1b [2020-10-15 02:00:19,078 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 02:00:19,079 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive/Fibonacci05.c [2020-10-15 02:00:19,085 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fe7b747d5/4289c6621803443fa05d679e851c8a96/FLAG1b4066f1b [2020-10-15 02:00:19,439 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fe7b747d5/4289c6621803443fa05d679e851c8a96 [2020-10-15 02:00:19,448 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 02:00:19,450 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 02:00:19,451 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 02:00:19,452 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 02:00:19,455 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 02:00:19,456 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:00:19" (1/1) ... [2020-10-15 02:00:19,459 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59501a47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:00:19, skipping insertion in model container [2020-10-15 02:00:19,460 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:00:19" (1/1) ... [2020-10-15 02:00:19,467 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 02:00:19,483 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 02:00:19,697 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 02:00:19,708 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 02:00:19,733 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 02:00:19,755 INFO L208 MainTranslator]: Completed translation [2020-10-15 02:00:19,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:00:19 WrapperNode [2020-10-15 02:00:19,756 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 02:00:19,756 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 02:00:19,756 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 02:00:19,757 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 02:00:19,770 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:00:19" (1/1) ... [2020-10-15 02:00:19,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:00:19" (1/1) ... [2020-10-15 02:00:19,863 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:00:19" (1/1) ... [2020-10-15 02:00:19,863 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:00:19" (1/1) ... [2020-10-15 02:00:19,867 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:00:19" (1/1) ... [2020-10-15 02:00:19,871 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:00:19" (1/1) ... [2020-10-15 02:00:19,872 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:00:19" (1/1) ... [2020-10-15 02:00:19,878 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 02:00:19,879 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 02:00:19,879 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 02:00:19,879 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 02:00:19,880 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:00:19" (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 [2020-10-15 02:00:19,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 02:00:19,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 02:00:19,960 INFO L138 BoogieDeclarations]: Found implementation of procedure fibonacci [2020-10-15 02:00:19,960 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 02:00:19,961 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 02:00:19,961 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-15 02:00:19,961 INFO L130 BoogieDeclarations]: Found specification of procedure fibonacci [2020-10-15 02:00:19,963 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 02:00:19,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 02:00:19,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 02:00:20,166 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 02:00:20,167 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-15 02:00:20,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:00:20 BoogieIcfgContainer [2020-10-15 02:00:20,171 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 02:00:20,172 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 02:00:20,172 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 02:00:20,175 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 02:00:20,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 02:00:19" (1/3) ... [2020-10-15 02:00:20,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d7bac51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:00:20, skipping insertion in model container [2020-10-15 02:00:20,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:00:19" (2/3) ... [2020-10-15 02:00:20,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d7bac51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:00:20, skipping insertion in model container [2020-10-15 02:00:20,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:00:20" (3/3) ... [2020-10-15 02:00:20,179 INFO L109 eAbstractionObserver]: Analyzing ICFG Fibonacci05.c [2020-10-15 02:00:20,189 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 02:00:20,196 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 02:00:20,210 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 02:00:20,234 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 02:00:20,234 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 02:00:20,234 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 02:00:20,234 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 02:00:20,235 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 02:00:20,235 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 02:00:20,235 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 02:00:20,235 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 02:00:20,253 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2020-10-15 02:00:20,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-15 02:00:20,260 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:00:20,261 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:00:20,261 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:00:20,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:00:20,268 INFO L82 PathProgramCache]: Analyzing trace with hash -1356498376, now seen corresponding path program 1 times [2020-10-15 02:00:20,275 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:00:20,276 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1640972424] [2020-10-15 02:00:20,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:00:20,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:20,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:20,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:20,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-15 02:00:20,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:20,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-10-15 02:00:20,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:20,481 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:20,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:00:20,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-15 02:00:20,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:00:20,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 02:00:20,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:00:20,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:20,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:20,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:20,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:00:20,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:20,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:00:20,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:20,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:20,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:00:20,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:20,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:00:20,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:20,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:00:20,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:20,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:20,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:20,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:00:20,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:20,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-15 02:00:20,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:20,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:20,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:00:20,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:20,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:00:20,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-15 02:00:20,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:00:20,637 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1640972424] [2020-10-15 02:00:20,640 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:00:20,640 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 02:00:20,641 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602964905] [2020-10-15 02:00:20,647 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 02:00:20,647 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:00:20,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 02:00:20,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-15 02:00:20,670 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 5 states. [2020-10-15 02:00:20,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:00:20,793 INFO L93 Difference]: Finished difference Result 35 states and 41 transitions. [2020-10-15 02:00:20,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-15 02:00:20,796 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-10-15 02:00:20,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:00:20,807 INFO L225 Difference]: With dead ends: 35 [2020-10-15 02:00:20,807 INFO L226 Difference]: Without dead ends: 21 [2020-10-15 02:00:20,811 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-15 02:00:20,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-10-15 02:00:20,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2020-10-15 02:00:20,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-10-15 02:00:20,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2020-10-15 02:00:20,878 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 13 [2020-10-15 02:00:20,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:00:20,878 INFO L479 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2020-10-15 02:00:20,879 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 02:00:20,879 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2020-10-15 02:00:20,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-15 02:00:20,881 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:00:20,881 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:00:20,882 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 02:00:20,882 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:00:20,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:00:20,882 INFO L82 PathProgramCache]: Analyzing trace with hash 1591396412, now seen corresponding path program 1 times [2020-10-15 02:00:20,883 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:00:20,883 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1229117745] [2020-10-15 02:00:20,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:00:20,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:20,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:20,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:20,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-15 02:00:20,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:20,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-10-15 02:00:21,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:21,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:21,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:00:21,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-15 02:00:21,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 02:00:21,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-15 02:00:21,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:00:21,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:21,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:21,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:21,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:00:21,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:21,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:00:21,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:21,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:21,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:00:21,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:21,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:00:21,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:21,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:00:21,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:21,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:21,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:21,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:00:21,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:21,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-15 02:00:21,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:21,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:21,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:00:21,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:21,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:00:21,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:21,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:00:21,102 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1229117745] [2020-10-15 02:00:21,102 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:00:21,102 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 02:00:21,103 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784259285] [2020-10-15 02:00:21,104 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 02:00:21,105 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:00:21,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 02:00:21,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-15 02:00:21,106 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand 5 states. [2020-10-15 02:00:21,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:00:21,187 INFO L93 Difference]: Finished difference Result 27 states and 32 transitions. [2020-10-15 02:00:21,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-15 02:00:21,188 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-10-15 02:00:21,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:00:21,189 INFO L225 Difference]: With dead ends: 27 [2020-10-15 02:00:21,190 INFO L226 Difference]: Without dead ends: 23 [2020-10-15 02:00:21,191 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-15 02:00:21,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-10-15 02:00:21,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2020-10-15 02:00:21,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-10-15 02:00:21,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2020-10-15 02:00:21,199 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 14 [2020-10-15 02:00:21,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:00:21,200 INFO L479 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2020-10-15 02:00:21,200 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 02:00:21,200 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2020-10-15 02:00:21,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-15 02:00:21,201 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:00:21,202 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:00:21,202 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 02:00:21,202 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:00:21,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:00:21,203 INFO L82 PathProgramCache]: Analyzing trace with hash -1761048597, now seen corresponding path program 1 times [2020-10-15 02:00:21,203 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:00:21,203 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [151291399] [2020-10-15 02:00:21,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:00:21,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:21,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:21,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:21,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:21,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:21,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-15 02:00:21,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 02:00:21,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 500 [2020-10-15 02:00:21,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:21,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:21,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:00:21,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-15 02:00:21,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 02:00:21,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:21,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:00:21,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:21,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:21,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:21,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:00:21,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:21,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:00:21,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:21,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:21,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:00:21,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:21,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:00:21,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:21,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:00:21,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:21,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:21,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:21,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:21,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-15 02:00:21,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:00:21,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-15 02:00:21,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:21,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:21,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:00:21,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:21,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 02:00:21,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:21,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:21,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:21,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:21,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:21,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:00:21,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:21,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:00:21,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:21,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:21,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:00:21,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:21,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:00:21,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:21,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 02:00:21,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:21,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:21,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:21,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:00:21,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:21,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:00:21,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:21,876 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:21,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:00:21,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:21,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:00:21,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:21,884 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-15 02:00:21,885 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [151291399] [2020-10-15 02:00:21,885 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:00:21,885 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-15 02:00:21,886 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830461075] [2020-10-15 02:00:21,886 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 02:00:21,886 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:00:21,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 02:00:21,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-15 02:00:21,887 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand 7 states. [2020-10-15 02:00:21,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:00:21,984 INFO L93 Difference]: Finished difference Result 47 states and 64 transitions. [2020-10-15 02:00:21,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-15 02:00:21,985 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-10-15 02:00:21,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:00:21,987 INFO L225 Difference]: With dead ends: 47 [2020-10-15 02:00:21,987 INFO L226 Difference]: Without dead ends: 30 [2020-10-15 02:00:21,988 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-15 02:00:21,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-10-15 02:00:21,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 28. [2020-10-15 02:00:21,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-10-15 02:00:21,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 34 transitions. [2020-10-15 02:00:21,997 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 34 transitions. Word has length 26 [2020-10-15 02:00:21,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:00:21,998 INFO L479 AbstractCegarLoop]: Abstraction has 28 states and 34 transitions. [2020-10-15 02:00:21,998 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 02:00:21,998 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2020-10-15 02:00:21,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-15 02:00:22,000 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:00:22,000 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:00:22,000 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 02:00:22,000 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:00:22,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:00:22,001 INFO L82 PathProgramCache]: Analyzing trace with hash -624449707, now seen corresponding path program 1 times [2020-10-15 02:00:22,001 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:00:22,002 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [928500409] [2020-10-15 02:00:22,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:00:22,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:22,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:22,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:22,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:22,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-15 02:00:22,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:00:22,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 185 [2020-10-15 02:00:22,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:22,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:22,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:00:22,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-15 02:00:22,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-15 02:00:22,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:22,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:00:22,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:22,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:22,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:22,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:00:22,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:22,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:00:22,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:22,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:22,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:00:22,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:22,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:00:22,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:22,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:00:22,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:22,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:22,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:22,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:22,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:00:22,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:00:22,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 237 [2020-10-15 02:00:22,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:22,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:22,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:00:22,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:22,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 02:00:22,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:22,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:22,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:22,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:22,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:22,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:00:22,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:22,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:00:22,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:22,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:22,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:00:22,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:22,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:00:22,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:22,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:00:22,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:22,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:22,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:22,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:00:22,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:22,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:00:22,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:22,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:22,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:00:22,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:22,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:00:22,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:22,555 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-15 02:00:22,555 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [928500409] [2020-10-15 02:00:22,556 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:00:22,556 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-15 02:00:22,556 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431060492] [2020-10-15 02:00:22,557 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 02:00:22,557 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:00:22,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 02:00:22,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-15 02:00:22,558 INFO L87 Difference]: Start difference. First operand 28 states and 34 transitions. Second operand 7 states. [2020-10-15 02:00:22,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:00:22,668 INFO L93 Difference]: Finished difference Result 35 states and 42 transitions. [2020-10-15 02:00:22,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-15 02:00:22,669 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2020-10-15 02:00:22,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:00:22,671 INFO L225 Difference]: With dead ends: 35 [2020-10-15 02:00:22,671 INFO L226 Difference]: Without dead ends: 31 [2020-10-15 02:00:22,672 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-15 02:00:22,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-10-15 02:00:22,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 28. [2020-10-15 02:00:22,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-10-15 02:00:22,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 34 transitions. [2020-10-15 02:00:22,686 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 34 transitions. Word has length 27 [2020-10-15 02:00:22,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:00:22,688 INFO L479 AbstractCegarLoop]: Abstraction has 28 states and 34 transitions. [2020-10-15 02:00:22,688 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 02:00:22,688 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2020-10-15 02:00:22,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-15 02:00:22,690 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:00:22,690 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:00:22,691 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 02:00:22,691 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:00:22,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:00:22,691 INFO L82 PathProgramCache]: Analyzing trace with hash 1645568569, now seen corresponding path program 1 times [2020-10-15 02:00:22,692 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:00:22,692 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [997611089] [2020-10-15 02:00:22,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:00:22,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:22,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:22,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:22,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:22,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:22,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:22,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-15 02:00:22,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 02:00:22,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 195 [2020-10-15 02:00:22,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:22,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:22,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:00:22,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-15 02:00:22,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-15 02:00:22,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:22,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:00:22,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:22,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:22,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:22,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:00:22,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:22,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:00:22,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:22,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:22,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:00:22,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:22,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:00:22,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:22,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:00:22,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:22,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:22,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:22,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:23,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:23,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:23,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-15 02:00:23,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 02:00:23,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 208 [2020-10-15 02:00:23,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:23,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:23,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:00:23,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:23,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-15 02:00:23,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:23,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:23,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:23,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:23,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:23,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:00:23,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:23,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:00:23,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:23,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:23,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:00:23,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:23,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:00:23,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:23,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:00:23,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:23,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:23,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:23,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:00:23,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:23,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 02:00:23,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:23,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:23,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:00:23,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:23,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:00:23,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 02:00:23,215 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-15 02:00:23,216 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [997611089] [2020-10-15 02:00:23,216 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:00:23,217 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-15 02:00:23,217 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854109278] [2020-10-15 02:00:23,218 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 02:00:23,218 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:00:23,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 02:00:23,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-15 02:00:23,219 INFO L87 Difference]: Start difference. First operand 28 states and 34 transitions. Second operand 7 states. [2020-10-15 02:00:23,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:00:23,380 INFO L93 Difference]: Finished difference Result 51 states and 70 transitions. [2020-10-15 02:00:23,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-15 02:00:23,381 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2020-10-15 02:00:23,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:00:23,383 INFO L225 Difference]: With dead ends: 51 [2020-10-15 02:00:23,384 INFO L226 Difference]: Without dead ends: 47 [2020-10-15 02:00:23,384 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-15 02:00:23,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-10-15 02:00:23,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 44. [2020-10-15 02:00:23,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-10-15 02:00:23,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 62 transitions. [2020-10-15 02:00:23,396 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 62 transitions. Word has length 28 [2020-10-15 02:00:23,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:00:23,397 INFO L479 AbstractCegarLoop]: Abstraction has 44 states and 62 transitions. [2020-10-15 02:00:23,397 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 02:00:23,398 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 62 transitions. [2020-10-15 02:00:23,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-10-15 02:00:23,401 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:00:23,401 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 5, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:00:23,401 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 02:00:23,402 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:00:23,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:00:23,402 INFO L82 PathProgramCache]: Analyzing trace with hash -339780296, now seen corresponding path program 2 times [2020-10-15 02:00:23,403 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:00:23,403 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1682708768] [2020-10-15 02:00:23,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:00:23,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:23,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:23,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:23,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:23,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:23,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:24,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:24,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:24,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:24,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:25,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:28,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:28,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-15 02:00:28,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-15 02:00:28,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-15 02:00:28,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:28,437 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:28,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-15 02:00:28,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-15 02:00:28,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-15 02:00:28,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 02:00:28,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:00:28,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:28,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:28,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:28,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:00:28,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:28,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:00:28,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:28,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:28,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:00:28,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:28,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:00:28,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:28,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:00:28,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:28,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:28,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:28,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:28,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:28,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:29,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:29,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:29,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:29,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:29,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:29,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:29,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:29,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:29,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:29,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:29,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:33,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:33,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-15 02:00:33,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-15 02:00:33,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-15 02:00:33,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:33,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:33,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-15 02:00:33,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 02:00:33,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-15 02:00:33,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:33,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:33,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:33,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:33,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:33,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:33,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-15 02:00:33,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:00:33,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-15 02:00:33,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:33,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:33,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:00:33,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:33,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 02:00:33,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:33,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:33,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:33,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:33,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:33,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:00:33,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:33,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:00:33,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:33,593 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:33,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:00:33,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:33,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:00:33,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:33,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 02:00:33,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:33,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:33,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:33,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:00:33,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:33,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:00:33,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:33,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:33,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:00:33,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:33,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:00:33,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:33,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 02:00:33,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:33,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:33,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:33,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:33,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:33,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:33,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:33,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:33,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-15 02:00:33,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 02:00:33,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 297 [2020-10-15 02:00:33,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:33,920 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:33,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 02:00:33,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-15 02:00:33,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-15 02:00:33,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:33,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:33,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:33,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:33,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:33,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:34,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:34,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:34,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-15 02:00:34,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 02:00:34,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-15 02:00:34,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:34,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:34,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:00:34,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:34,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 02:00:34,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:34,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:34,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:34,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:34,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:34,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:00:34,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:34,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:00:34,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:34,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:34,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:00:34,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:34,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:00:34,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:34,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 02:00:34,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:34,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:34,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:34,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:00:34,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:34,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:00:34,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:34,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:34,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:00:34,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:34,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:00:34,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:34,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 02:00:34,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:34,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:34,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:34,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:00:34,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:34,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:00:34,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:34,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:34,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:00:34,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:00:34,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:00:34,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:34,121 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 70 proven. 28 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-10-15 02:00:34,122 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1682708768] [2020-10-15 02:00:34,123 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:00:34,123 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-15 02:00:34,124 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862050218] [2020-10-15 02:00:34,125 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-15 02:00:34,125 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:00:34,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-15 02:00:34,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-10-15 02:00:34,127 INFO L87 Difference]: Start difference. First operand 44 states and 62 transitions. Second operand 10 states. [2020-10-15 02:00:34,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:00:34,376 INFO L93 Difference]: Finished difference Result 86 states and 142 transitions. [2020-10-15 02:00:34,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-15 02:00:34,377 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 65 [2020-10-15 02:00:34,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:00:34,379 INFO L225 Difference]: With dead ends: 86 [2020-10-15 02:00:34,380 INFO L226 Difference]: Without dead ends: 48 [2020-10-15 02:00:34,382 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2020-10-15 02:00:34,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2020-10-15 02:00:34,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 39. [2020-10-15 02:00:34,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-10-15 02:00:34,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 54 transitions. [2020-10-15 02:00:34,402 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 54 transitions. Word has length 65 [2020-10-15 02:00:34,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:00:34,404 INFO L479 AbstractCegarLoop]: Abstraction has 39 states and 54 transitions. [2020-10-15 02:00:34,404 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-15 02:00:34,404 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2020-10-15 02:00:34,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-15 02:00:34,409 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:00:34,409 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 5, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:00:34,409 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-15 02:00:34,410 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:00:34,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:00:34,412 INFO L82 PathProgramCache]: Analyzing trace with hash -801998671, now seen corresponding path program 2 times [2020-10-15 02:00:34,412 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:00:34,413 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2078003123] [2020-10-15 02:00:34,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:00:34,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:34,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:34,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:34,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:34,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:34,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:34,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:34,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:36,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:36,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:38,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:38,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:38,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:38,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:39,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:39,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-15 02:00:39,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-15 02:00:39,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-15 02:00:39,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:39,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:39,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 02:00:39,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-15 02:00:39,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-15 02:00:39,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:39,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:00:39,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:39,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:39,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:39,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:00:39,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:39,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:00:39,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:39,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:39,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:00:39,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:39,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:00:39,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:39,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:00:39,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:39,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:39,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:39,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:39,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:39,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:39,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:39,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:40,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:40,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:41,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:42,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:44,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:44,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-15 02:00:44,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-15 02:00:44,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-15 02:00:44,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:44,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:44,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 02:00:44,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:44,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-15 02:00:44,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:44,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:44,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:44,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:44,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:44,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:44,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:00:44,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:00:44,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-15 02:00:44,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:44,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:44,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:00:44,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:44,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 02:00:44,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:44,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:44,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:44,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:44,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:44,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:00:44,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:44,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:00:44,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:44,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:44,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:00:44,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:44,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:00:44,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:44,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:00:44,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:44,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:44,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:44,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:00:44,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:44,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:00:44,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:44,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:44,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:00:44,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:44,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:00:44,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:44,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 02:00:44,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:44,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:44,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:44,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:00:44,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:44,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:00:44,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:44,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:44,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:00:44,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:44,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 02:00:44,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:44,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:44,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:44,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:44,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:44,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:00:44,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:44,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:00:44,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:44,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:44,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:00:44,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:44,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:00:44,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:44,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:00:44,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:44,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:44,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:44,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:00:44,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:44,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:00:44,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:44,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:44,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:00:44,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:44,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:00:44,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:44,691 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 14 proven. 47 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-10-15 02:00:44,692 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2078003123] [2020-10-15 02:00:44,692 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:00:44,692 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-15 02:00:44,693 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156263581] [2020-10-15 02:00:44,695 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-15 02:00:44,695 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:00:44,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-15 02:00:44,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-15 02:00:44,696 INFO L87 Difference]: Start difference. First operand 39 states and 54 transitions. Second operand 8 states. [2020-10-15 02:00:44,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:00:44,834 INFO L93 Difference]: Finished difference Result 97 states and 155 transitions. [2020-10-15 02:00:44,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-15 02:00:44,835 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2020-10-15 02:00:44,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:00:44,838 INFO L225 Difference]: With dead ends: 97 [2020-10-15 02:00:44,838 INFO L226 Difference]: Without dead ends: 56 [2020-10-15 02:00:44,840 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-15 02:00:44,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-10-15 02:00:44,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 50. [2020-10-15 02:00:44,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2020-10-15 02:00:44,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 67 transitions. [2020-10-15 02:00:44,850 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 67 transitions. Word has length 54 [2020-10-15 02:00:44,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:00:44,850 INFO L479 AbstractCegarLoop]: Abstraction has 50 states and 67 transitions. [2020-10-15 02:00:44,851 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-15 02:00:44,851 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2020-10-15 02:00:44,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-10-15 02:00:44,852 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:00:44,852 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 5, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:00:44,853 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-15 02:00:44,853 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:00:44,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:00:44,853 INFO L82 PathProgramCache]: Analyzing trace with hash -1216124292, now seen corresponding path program 2 times [2020-10-15 02:00:44,853 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:00:44,854 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1569125362] [2020-10-15 02:00:44,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:00:44,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:44,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:44,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:44,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:44,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:44,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:45,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:45,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:45,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:45,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:45,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:45,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:45,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:45,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:45,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:45,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:45,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:45,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:45,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:45,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:47,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:47,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:49,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:49,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-10-15 02:00:49,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-15 02:00:49,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-15 02:00:49,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:49,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:49,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 02:00:49,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-15 02:00:49,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-15 02:00:49,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:49,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:00:49,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:49,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:49,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:49,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:00:49,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:49,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:00:49,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:49,873 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:49,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:00:49,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:49,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:00:49,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:49,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:00:49,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:49,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:49,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:49,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:49,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:49,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:49,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:49,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:50,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:50,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:50,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:50,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:50,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:50,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:50,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:50,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:52,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:52,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:52,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:52,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:52,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:53,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:54,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:54,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-15 02:00:54,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-15 02:00:54,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-15 02:00:54,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:54,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:54,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 02:00:54,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 02:00:54,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-15 02:00:54,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:54,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:54,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:54,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:54,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:54,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:54,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:54,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:54,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-15 02:00:54,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 02:00:54,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-15 02:00:54,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:54,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:54,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:00:54,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:54,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-15 02:00:54,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:54,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:54,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:54,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:54,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:54,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:00:54,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:54,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:00:54,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:54,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:54,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:00:54,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:54,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:00:54,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:54,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:00:54,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:54,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:54,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:54,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:00:54,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:54,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:00:54,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:54,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:54,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:00:54,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:54,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:00:54,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:54,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-15 02:00:54,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:54,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:55,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:55,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:55,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:55,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:55,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:55,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:55,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:55,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:55,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:55,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:55,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:56,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:56,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-15 02:00:56,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-15 02:00:56,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1412 [2020-10-15 02:00:56,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:56,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:56,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:00:56,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:00:56,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-15 02:00:56,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:56,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:56,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:56,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:56,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:56,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:56,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:56,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-15 02:00:56,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 02:00:56,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-15 02:00:56,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:56,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:56,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:00:56,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:56,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 02:00:56,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:56,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:56,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:56,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:56,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:56,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:00:56,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:56,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:00:56,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:56,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:56,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:00:56,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:56,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:00:56,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:56,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:00:56,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:56,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:56,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:56,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:00:56,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:56,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:00:56,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:56,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:56,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:00:56,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:56,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:00:56,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:56,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-15 02:00:56,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:56,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:56,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:56,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:56,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:00:56,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:00:56,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:00:56,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:56,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:56,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:00:56,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:56,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:00:56,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:56,542 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 67 proven. 66 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2020-10-15 02:00:56,542 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1569125362] [2020-10-15 02:00:56,543 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:00:56,543 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-15 02:00:56,543 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747573686] [2020-10-15 02:00:56,545 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-15 02:00:56,545 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:00:56,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-15 02:00:56,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-10-15 02:00:56,546 INFO L87 Difference]: Start difference. First operand 50 states and 67 transitions. Second operand 10 states. [2020-10-15 02:00:56,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:00:56,768 INFO L93 Difference]: Finished difference Result 96 states and 138 transitions. [2020-10-15 02:00:56,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-15 02:00:56,769 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 70 [2020-10-15 02:00:56,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:00:56,770 INFO L225 Difference]: With dead ends: 96 [2020-10-15 02:00:56,771 INFO L226 Difference]: Without dead ends: 51 [2020-10-15 02:00:56,772 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306 [2020-10-15 02:00:56,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-10-15 02:00:56,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 44. [2020-10-15 02:00:56,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-10-15 02:00:56,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 56 transitions. [2020-10-15 02:00:56,779 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 56 transitions. Word has length 70 [2020-10-15 02:00:56,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:00:56,779 INFO L479 AbstractCegarLoop]: Abstraction has 44 states and 56 transitions. [2020-10-15 02:00:56,779 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-15 02:00:56,779 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2020-10-15 02:00:56,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-10-15 02:00:56,781 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:00:56,781 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 9, 5, 5, 5, 5, 5, 5, 5, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:00:56,781 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-15 02:00:56,781 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:00:56,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:00:56,782 INFO L82 PathProgramCache]: Analyzing trace with hash -1541039141, now seen corresponding path program 3 times [2020-10-15 02:00:56,782 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:00:56,782 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [181456268] [2020-10-15 02:00:56,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:00:56,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:56,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:56,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:56,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:56,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:56,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:56,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:56,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:56,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:57,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:57,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:57,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:57,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:57,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:57,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:57,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:57,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:58,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:58,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:58,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:58,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:01,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:01,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-15 02:01:01,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-15 02:01:01,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-15 02:01:01,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:01,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:01,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 02:01:01,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-15 02:01:01,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-15 02:01:01,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:01,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:01:01,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:01,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:01,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:01,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:01:01,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:01,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:01:01,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:01,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:01,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:01:01,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:01,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:01:01,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:01,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:01:01,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:01,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:01,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:01,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:01,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:02,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:02,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:02,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:02,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:02,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:02,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:02,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:02,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:02,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:02,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:02,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:02,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:02,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:02,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:04,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:06,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:06,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-15 02:01:06,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-15 02:01:06,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-15 02:01:06,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:06,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:06,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 02:01:06,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 02:01:06,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-15 02:01:06,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:06,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:06,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:06,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:06,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:06,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:07,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:07,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-15 02:01:07,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 02:01:07,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 290 [2020-10-15 02:01:07,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:07,141 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:07,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:01:07,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:07,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-15 02:01:07,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:07,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:07,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:07,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:07,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:07,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:01:07,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:07,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:01:07,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:07,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:07,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:01:07,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:07,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 02:01:07,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:07,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:07,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:07,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:07,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:07,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:01:07,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:07,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:01:07,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:07,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:07,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:01:07,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:07,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:01:07,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:01:07,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:01:07,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:07,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:07,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:07,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:01:07,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:07,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:01:07,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:07,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:07,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:01:07,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:07,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:01:07,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:07,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 02:01:07,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:07,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:07,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:07,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:01:07,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:07,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:01:07,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:07,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:07,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:01:07,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:07,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:01:07,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:07,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 02:01:07,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:07,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:07,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:07,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:07,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:07,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:07,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:07,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:07,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-15 02:01:07,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 02:01:07,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 611 [2020-10-15 02:01:07,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:07,841 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:07,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:01:07,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:01:07,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-15 02:01:07,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:07,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:07,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:07,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:07,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:07,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:01:07,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:07,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:01:07,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:07,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:07,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:01:07,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:07,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 02:01:07,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:01:07,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:07,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:07,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:07,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:07,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:01:07,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:07,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:01:07,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:07,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:07,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:01:07,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:07,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:01:07,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:01:07,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:01:07,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:07,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:07,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:07,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:01:07,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:07,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:01:07,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:07,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:07,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:01:07,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:07,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:01:07,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:01:07,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 02:01:07,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:07,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:07,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:07,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:07,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:01:07,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:01:07,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:01:07,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:07,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:07,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:01:07,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:07,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:01:07,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:07,919 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 110 proven. 60 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2020-10-15 02:01:07,920 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [181456268] [2020-10-15 02:01:07,920 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:01:07,920 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-15 02:01:07,920 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140454650] [2020-10-15 02:01:07,921 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-15 02:01:07,921 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:01:07,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-15 02:01:07,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-15 02:01:07,922 INFO L87 Difference]: Start difference. First operand 44 states and 56 transitions. Second operand 10 states. [2020-10-15 02:01:08,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:01:08,198 INFO L93 Difference]: Finished difference Result 113 states and 178 transitions. [2020-10-15 02:01:08,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-15 02:01:08,200 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 82 [2020-10-15 02:01:08,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:01:08,201 INFO L225 Difference]: With dead ends: 113 [2020-10-15 02:01:08,202 INFO L226 Difference]: Without dead ends: 73 [2020-10-15 02:01:08,202 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-10-15 02:01:08,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-10-15 02:01:08,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 62. [2020-10-15 02:01:08,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-10-15 02:01:08,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 85 transitions. [2020-10-15 02:01:08,212 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 85 transitions. Word has length 82 [2020-10-15 02:01:08,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:01:08,213 INFO L479 AbstractCegarLoop]: Abstraction has 62 states and 85 transitions. [2020-10-15 02:01:08,213 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-15 02:01:08,213 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 85 transitions. [2020-10-15 02:01:08,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-15 02:01:08,214 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:01:08,215 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 13, 8, 8, 8, 8, 8, 8, 8, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:01:08,215 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-15 02:01:08,215 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:01:08,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:01:08,215 INFO L82 PathProgramCache]: Analyzing trace with hash 1058056764, now seen corresponding path program 4 times [2020-10-15 02:01:08,216 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:01:08,216 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1671889542] [2020-10-15 02:01:08,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:01:08,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:08,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:08,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:08,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:08,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:08,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:08,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:08,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:08,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:08,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:08,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:08,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:08,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:08,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:08,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:08,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:08,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:08,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:08,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:08,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:08,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:08,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:09,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:09,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:09,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:09,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:10,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:13,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:13,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-15 02:01:13,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 26 [2020-10-15 02:01:13,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-15 02:01:13,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:13,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:13,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-15 02:01:13,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-15 02:01:13,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-15 02:01:13,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:13,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:01:13,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:13,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:13,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:13,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:01:13,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:13,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:01:13,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:13,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:13,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:01:13,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:13,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:01:13,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:13,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:01:13,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:13,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:13,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:13,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:13,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:13,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:13,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:13,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:13,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:13,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:13,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:13,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:13,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:13,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:13,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:14,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:17,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:17,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:18,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:18,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-15 02:01:18,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-15 02:01:18,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-15 02:01:18,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:18,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:18,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-15 02:01:18,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 02:01:18,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-15 02:01:18,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:18,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:18,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:18,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:18,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:18,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:18,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:18,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:18,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:18,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:18,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:18,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:19,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:19,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:21,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:21,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-15 02:01:21,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-15 02:01:21,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3173 [2020-10-15 02:01:21,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:21,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:21,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 02:01:21,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:21,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-15 02:01:21,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:21,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:21,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:21,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:21,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:21,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:21,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:01:21,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:01:21,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-15 02:01:21,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:21,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:21,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:01:21,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:21,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 02:01:21,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:21,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:21,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:21,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:21,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:21,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:01:21,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:21,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:01:21,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:21,522 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:21,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:01:21,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:21,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:01:21,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:21,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:01:21,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:21,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:21,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:21,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:01:21,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:21,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:01:21,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:21,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:21,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:01:21,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:21,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:01:21,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:21,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 02:01:21,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:21,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:21,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:21,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:01:21,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:21,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:01:21,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:21,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:21,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:01:21,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:21,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 02:01:21,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:01:21,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:21,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:21,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:21,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:21,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:01:21,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:21,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:01:21,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:21,566 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:21,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:01:21,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:21,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:01:21,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:01:21,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:01:21,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:21,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:21,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:21,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:01:21,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:21,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:01:21,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:21,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:21,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:01:21,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:21,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:01:21,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:01:21,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-15 02:01:21,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:21,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:21,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:21,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:21,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:21,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:21,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:21,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:21,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:21,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:21,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:21,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:21,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:21,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:24,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:24,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:24,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:24,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:26,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:26,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-15 02:01:26,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-15 02:01:26,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-15 02:01:26,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:26,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:26,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 02:01:26,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 02:01:26,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-15 02:01:26,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:26,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:26,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:26,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:26,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:26,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:26,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:26,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:26,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:26,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:26,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:26,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:27,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:27,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:27,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:27,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:27,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:27,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:27,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:31,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:31,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-15 02:01:31,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-15 02:01:31,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-15 02:01:31,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:31,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:31,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:01:31,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:31,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-15 02:01:31,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:31,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:31,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:31,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:31,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:31,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:01:31,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:31,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:01:31,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:31,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:31,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:01:31,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:31,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 02:01:31,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:31,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:31,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:31,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:31,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:31,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:01:31,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:31,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:01:31,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:31,641 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:31,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:01:31,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:31,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:01:31,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:01:31,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:01:31,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:31,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:31,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:31,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:01:31,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:31,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:01:31,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:31,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:31,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:01:31,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:31,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:01:31,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:01:31,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 02:01:31,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:31,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:31,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:31,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:31,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:31,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:01:31,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 02:01:31,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-15 02:01:31,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:31,672 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:31,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:01:31,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:31,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 02:01:31,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:01:31,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:31,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:31,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:31,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:31,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:01:31,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:31,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:01:31,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:31,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:31,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:01:31,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:31,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:01:31,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:31,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:01:31,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:31,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:31,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:31,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:01:31,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:31,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:01:31,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:31,698 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:31,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:01:31,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:31,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:01:31,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:31,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-15 02:01:31,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:31,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:31,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:31,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:01:31,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:31,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:01:31,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:31,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:31,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:01:31,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:01:31,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:01:31,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:31,734 INFO L134 CoverageAnalysis]: Checked inductivity of 734 backedges. 237 proven. 184 refuted. 0 times theorem prover too weak. 313 trivial. 0 not checked. [2020-10-15 02:01:31,735 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1671889542] [2020-10-15 02:01:31,735 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:01:31,735 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-15 02:01:31,735 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166955584] [2020-10-15 02:01:31,736 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 02:01:31,736 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:01:31,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 02:01:31,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-10-15 02:01:31,737 INFO L87 Difference]: Start difference. First operand 62 states and 85 transitions. Second operand 12 states. [2020-10-15 02:01:32,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:01:32,031 INFO L93 Difference]: Finished difference Result 111 states and 162 transitions. [2020-10-15 02:01:32,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-15 02:01:32,033 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 122 [2020-10-15 02:01:32,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:01:32,034 INFO L225 Difference]: With dead ends: 111 [2020-10-15 02:01:32,034 INFO L226 Difference]: Without dead ends: 55 [2020-10-15 02:01:32,035 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=118, Invalid=344, Unknown=0, NotChecked=0, Total=462 [2020-10-15 02:01:32,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-10-15 02:01:32,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 49. [2020-10-15 02:01:32,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-10-15 02:01:32,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 60 transitions. [2020-10-15 02:01:32,043 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 60 transitions. Word has length 122 [2020-10-15 02:01:32,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:01:32,043 INFO L479 AbstractCegarLoop]: Abstraction has 49 states and 60 transitions. [2020-10-15 02:01:32,044 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 02:01:32,044 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 60 transitions. [2020-10-15 02:01:32,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-15 02:01:32,045 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:01:32,045 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 10, 6, 6, 6, 6, 6, 6, 6, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:01:32,045 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-15 02:01:32,045 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:01:32,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:01:32,046 INFO L82 PathProgramCache]: Analyzing trace with hash -1589564690, now seen corresponding path program 5 times [2020-10-15 02:01:32,046 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:01:32,046 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [941829737] [2020-10-15 02:01:32,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:01:32,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:32,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:32,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:32,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:32,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:32,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:32,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:32,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:32,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:35,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:35,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:35,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:36,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:36,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:36,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:36,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:36,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:36,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:36,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:37,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:37,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-15 02:01:37,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-15 02:01:37,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-15 02:01:37,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:37,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:37,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 02:01:37,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-15 02:01:37,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-15 02:01:37,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:37,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:01:37,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:37,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:37,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:37,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:01:37,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:37,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:01:37,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:37,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:37,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:01:37,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:37,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:01:37,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:37,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:01:37,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:37,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:37,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:37,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:37,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:37,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:37,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:37,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:37,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:37,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:37,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:37,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:37,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:38,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:42,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:42,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-15 02:01:42,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-15 02:01:42,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-15 02:01:42,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:42,090 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:42,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-15 02:01:42,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 02:01:42,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-15 02:01:42,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:42,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:42,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:42,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:42,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:42,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:42,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:42,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:42,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:42,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:42,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:43,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:43,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:43,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:43,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:43,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:43,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:47,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:47,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-15 02:01:47,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-15 02:01:47,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-15 02:01:47,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:47,106 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:47,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:01:47,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:47,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-15 02:01:47,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:47,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:47,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:47,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:47,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:47,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-15 02:01:47,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:47,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:01:47,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:47,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:47,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:01:47,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:47,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-15 02:01:47,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:47,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:47,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:47,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:47,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:47,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:01:47,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:47,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:01:47,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:47,141 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:47,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:01:47,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:47,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:01:47,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:01:47,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:47,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:47,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:47,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:47,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:01:47,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:47,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:01:47,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:47,148 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:47,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:01:47,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:47,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:01:47,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:01:47,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:01:47,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:47,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:47,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:47,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:01:47,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:47,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:01:47,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:47,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:47,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:01:47,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:47,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:01:47,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:01:47,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 02:01:47,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:47,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:47,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:47,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:01:47,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:47,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:01:47,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:47,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:47,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:01:47,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:47,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:01:47,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:47,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 02:01:47,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:47,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:47,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:47,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:47,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:47,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:01:47,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 02:01:47,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-15 02:01:47,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:47,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:47,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:01:47,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:47,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 02:01:47,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 02:01:47,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:47,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:47,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:47,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:47,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:01:47,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:47,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:01:47,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:47,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:47,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:01:47,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:47,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:01:47,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:47,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:01:47,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:47,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:47,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:47,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:01:47,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:47,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:01:47,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:47,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:47,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:01:47,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:47,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:01:47,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:47,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-15 02:01:47,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:47,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:47,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:47,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:47,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:01:47,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:01:47,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-15 02:01:47,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:47,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:47,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:01:47,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:01:47,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 02:01:47,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:47,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:47,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:47,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:47,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:47,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:01:47,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:47,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:01:47,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:47,353 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:47,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:01:47,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:47,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:01:47,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:47,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:01:47,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:47,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:47,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:47,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:01:47,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:47,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:01:47,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:47,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:47,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:01:47,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:47,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:01:47,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:47,388 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 165 proven. 61 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2020-10-15 02:01:47,389 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [941829737] [2020-10-15 02:01:47,389 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:01:47,389 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-15 02:01:47,389 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460087765] [2020-10-15 02:01:47,390 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-15 02:01:47,390 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:01:47,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-15 02:01:47,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2020-10-15 02:01:47,390 INFO L87 Difference]: Start difference. First operand 49 states and 60 transitions. Second operand 13 states. [2020-10-15 02:01:47,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:01:47,621 INFO L93 Difference]: Finished difference Result 93 states and 118 transitions. [2020-10-15 02:01:47,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-15 02:01:47,622 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 95 [2020-10-15 02:01:47,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:01:47,623 INFO L225 Difference]: With dead ends: 93 [2020-10-15 02:01:47,623 INFO L226 Difference]: Without dead ends: 50 [2020-10-15 02:01:47,624 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=100, Invalid=280, Unknown=0, NotChecked=0, Total=380 [2020-10-15 02:01:47,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-10-15 02:01:47,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2020-10-15 02:01:47,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2020-10-15 02:01:47,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 60 transitions. [2020-10-15 02:01:47,631 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 60 transitions. Word has length 95 [2020-10-15 02:01:47,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:01:47,631 INFO L479 AbstractCegarLoop]: Abstraction has 50 states and 60 transitions. [2020-10-15 02:01:47,631 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-15 02:01:47,631 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 60 transitions. [2020-10-15 02:01:47,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-15 02:01:47,632 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:01:47,633 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 15, 9, 9, 9, 9, 9, 9, 9, 6, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:01:47,633 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-15 02:01:47,633 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:01:47,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:01:47,633 INFO L82 PathProgramCache]: Analyzing trace with hash -1066463687, now seen corresponding path program 6 times [2020-10-15 02:01:47,634 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:01:47,634 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1725065802] [2020-10-15 02:01:47,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:01:47,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:47,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:47,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:47,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:47,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:47,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:47,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:47,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:47,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:47,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:48,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:48,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:48,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:48,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:48,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:48,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:48,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:48,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:48,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:48,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:48,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:48,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:48,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:48,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:48,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:48,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:48,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:48,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:52,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:52,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:52,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-15 02:01:52,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 28 [2020-10-15 02:01:52,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-15 02:01:52,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:52,663 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:52,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-15 02:01:52,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-15 02:01:52,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-15 02:01:52,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:52,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:01:52,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:52,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:52,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:52,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:01:52,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:52,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:01:52,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:52,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:52,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:01:52,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:52,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:01:52,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:52,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:01:52,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:52,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:52,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:52,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:52,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:52,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:52,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:57,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:57,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-10-15 02:01:57,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 02:01:57,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-15 02:01:57,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:57,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:57,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-15 02:01:57,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 02:01:57,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-15 02:01:57,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:57,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:57,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:57,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:57,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:57,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:57,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:57,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:02,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:02,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-15 02:02:02,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 02:02:02,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-15 02:02:02,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:02,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:02,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 02:02:02,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:02,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-15 02:02:02,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:02,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:02,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:02,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:02,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:02,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:02,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:02,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-15 02:02:02,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 02:02:02,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 237 [2020-10-15 02:02:02,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:02,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:02,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:02:02,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:02,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-15 02:02:02,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:02,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:02,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:02,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:02,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:02,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:02:02,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:02,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:02:02,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:02,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:02,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:02:02,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:02,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 02:02:02,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:02,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:02,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:02,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:02,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:02,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:02:02,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:02,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:02:02,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:02,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:02,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:02:02,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:02,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:02:02,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:02,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:02:02,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:02,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:02,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:02,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:02:02,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:02,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:02:02,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:02,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:02,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:02:02,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:02,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:02:02,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:02,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 02:02:02,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:02,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:02,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:02,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:02:02,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:02,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:02:02,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:02,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:02,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:02:02,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:02,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:02:02,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:03,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 02:02:03,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:03,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:03,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:03,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:02:03,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:03,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:02:03,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:03,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:03,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:02:03,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:03,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 02:02:03,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:03,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:03,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:03,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:03,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:03,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:02:03,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:03,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:02:03,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:03,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:03,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:02:03,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:03,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:02:03,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:03,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:02:03,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:03,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:03,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:03,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:02:03,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:03,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:02:03,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:03,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:03,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:02:03,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:03,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:02:03,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:03,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-15 02:02:03,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:03,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:03,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:03,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:03,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:03,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:03,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:03,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:03,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:03,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:03,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:04,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:04,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:04,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:04,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:08,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:08,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-15 02:02:08,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-15 02:02:08,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-15 02:02:08,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:08,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:08,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:02:08,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:02:08,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-15 02:02:08,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:08,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:08,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:08,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:08,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:08,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-15 02:02:08,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:08,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 02:02:08,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:08,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:08,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:02:08,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:08,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-15 02:02:08,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:08,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:08,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:08,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:08,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:08,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:02:08,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:08,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:02:08,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:08,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:08,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:02:08,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:08,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:02:08,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:08,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:08,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:08,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:08,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:08,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:02:08,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:08,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:02:08,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:08,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:08,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:02:08,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:08,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:02:08,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:08,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:02:08,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:08,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:08,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:08,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:02:08,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:08,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:02:08,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:08,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:08,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:02:08,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:08,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:02:08,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:02:08,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 02:02:08,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:08,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:08,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:08,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:02:08,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:08,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:02:08,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:08,095 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:08,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:02:08,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:08,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:02:08,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:02:08,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 02:02:08,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:08,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:08,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:08,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:08,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:08,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:02:08,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 02:02:08,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-15 02:02:08,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:08,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:08,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:02:08,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:08,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 02:02:08,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:08,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:08,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:08,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:08,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:08,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:02:08,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:08,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:02:08,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:08,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:08,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:02:08,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:08,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:02:08,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:02:08,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:02:08,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:08,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:08,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:08,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:02:08,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:08,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:02:08,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:08,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:08,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:02:08,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:08,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:02:08,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:08,198 INFO L134 CoverageAnalysis]: Checked inductivity of 933 backedges. 223 proven. 215 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2020-10-15 02:02:08,198 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1725065802] [2020-10-15 02:02:08,198 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:02:08,198 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-15 02:02:08,198 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692856553] [2020-10-15 02:02:08,199 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 02:02:08,199 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:02:08,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 02:02:08,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-10-15 02:02:08,199 INFO L87 Difference]: Start difference. First operand 50 states and 60 transitions. Second operand 12 states. [2020-10-15 02:02:08,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:02:08,492 INFO L93 Difference]: Finished difference Result 110 states and 146 transitions. [2020-10-15 02:02:08,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-15 02:02:08,494 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 136 [2020-10-15 02:02:08,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:02:08,496 INFO L225 Difference]: With dead ends: 110 [2020-10-15 02:02:08,496 INFO L226 Difference]: Without dead ends: 64 [2020-10-15 02:02:08,497 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2020-10-15 02:02:08,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2020-10-15 02:02:08,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 59. [2020-10-15 02:02:08,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-10-15 02:02:08,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 74 transitions. [2020-10-15 02:02:08,504 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 74 transitions. Word has length 136 [2020-10-15 02:02:08,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:02:08,505 INFO L479 AbstractCegarLoop]: Abstraction has 59 states and 74 transitions. [2020-10-15 02:02:08,505 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 02:02:08,505 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 74 transitions. [2020-10-15 02:02:08,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-15 02:02:08,506 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:02:08,507 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 12, 7, 7, 7, 7, 7, 7, 7, 5, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:02:08,507 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-15 02:02:08,507 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:02:08,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:02:08,507 INFO L82 PathProgramCache]: Analyzing trace with hash 580129251, now seen corresponding path program 7 times [2020-10-15 02:02:08,508 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:02:08,508 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [501641184] [2020-10-15 02:02:08,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:02:08,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:08,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:08,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:08,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:08,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:08,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:12,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:13,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:13,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:13,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-15 02:02:13,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-15 02:02:13,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-15 02:02:13,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:13,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:13,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 02:02:13,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-15 02:02:13,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-10-15 02:02:13,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:13,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:02:13,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:13,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:13,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:13,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:02:13,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:13,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:02:13,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:13,543 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:13,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:02:13,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:13,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:02:13,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:13,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:02:13,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:13,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:13,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:13,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:13,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:14,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:14,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:14,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:18,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:18,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-15 02:02:18,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-15 02:02:18,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-15 02:02:18,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:18,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:18,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 02:02:18,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:18,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-15 02:02:18,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:18,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:18,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:18,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:18,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:18,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-15 02:02:18,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:18,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 02:02:18,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:18,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:18,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:02:18,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:18,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-15 02:02:18,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:18,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:18,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:18,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:18,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:18,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-15 02:02:18,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:18,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:02:18,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:18,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:18,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:02:18,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:18,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:02:18,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:18,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:18,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:18,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:18,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:18,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:02:18,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:18,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:02:18,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:18,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:18,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:02:18,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:18,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:02:18,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:18,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:18,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:18,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:18,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:18,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:02:18,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:18,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:02:18,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:18,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:18,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:02:18,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:18,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:02:18,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:18,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:02:18,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:18,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:18,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:18,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:02:18,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:18,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:02:18,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:18,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:18,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:02:18,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:18,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:02:18,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:02:18,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 02:02:18,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:18,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:18,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:18,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:02:18,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:18,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:02:18,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:18,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:18,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:02:18,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:18,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:02:18,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:02:18,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 02:02:18,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:18,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:18,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:18,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:02:18,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:18,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:02:18,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:18,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:18,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:02:18,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:18,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:02:18,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:18,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:18,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:18,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:18,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:18,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:02:18,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:18,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:02:18,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:18,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:18,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:02:18,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:18,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:02:18,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:18,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:02:18,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:18,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:18,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:18,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:02:18,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:18,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:02:18,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:18,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:18,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:02:18,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:18,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:02:18,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:18,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-15 02:02:18,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:18,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:18,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:18,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:18,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:18,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-15 02:02:18,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 02:02:18,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 258 [2020-10-15 02:02:18,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:18,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:18,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:02:18,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:18,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-15 02:02:18,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:18,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:18,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:18,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:18,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:18,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:02:18,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:18,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:02:18,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:18,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:18,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:02:18,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:18,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 02:02:18,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:18,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:18,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:18,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:18,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:18,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:02:18,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:18,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:02:18,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:18,923 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:18,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:02:18,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:18,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:02:18,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:18,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:02:18,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:18,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:18,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:18,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:02:18,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:18,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:02:18,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:18,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:18,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:02:18,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:18,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:02:18,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:02:18,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 02:02:18,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:18,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:18,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:18,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:02:18,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:18,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:02:18,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:18,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:18,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:02:18,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:18,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:02:18,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:18,964 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 141 proven. 45 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2020-10-15 02:02:18,965 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [501641184] [2020-10-15 02:02:18,965 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:02:18,965 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-15 02:02:18,965 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576098710] [2020-10-15 02:02:18,966 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-15 02:02:18,966 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:02:18,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-15 02:02:18,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-15 02:02:18,966 INFO L87 Difference]: Start difference. First operand 59 states and 74 transitions. Second operand 8 states. [2020-10-15 02:02:19,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:02:19,073 INFO L93 Difference]: Finished difference Result 66 states and 82 transitions. [2020-10-15 02:02:19,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-15 02:02:19,074 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 109 [2020-10-15 02:02:19,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:02:19,076 INFO L225 Difference]: With dead ends: 66 [2020-10-15 02:02:19,076 INFO L226 Difference]: Without dead ends: 62 [2020-10-15 02:02:19,077 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-15 02:02:19,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-10-15 02:02:19,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2020-10-15 02:02:19,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-10-15 02:02:19,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 78 transitions. [2020-10-15 02:02:19,085 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 78 transitions. Word has length 109 [2020-10-15 02:02:19,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:02:19,086 INFO L479 AbstractCegarLoop]: Abstraction has 62 states and 78 transitions. [2020-10-15 02:02:19,086 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-15 02:02:19,086 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 78 transitions. [2020-10-15 02:02:19,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-15 02:02:19,088 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:02:19,089 INFO L422 BasicCegarLoop]: trace histogram [31, 31, 25, 15, 15, 15, 15, 15, 15, 15, 10, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:02:19,089 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-15 02:02:19,089 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:02:19,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:02:19,089 INFO L82 PathProgramCache]: Analyzing trace with hash -1009195755, now seen corresponding path program 8 times [2020-10-15 02:02:19,090 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:02:19,090 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1151796198] [2020-10-15 02:02:19,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:02:19,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:19,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:19,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:19,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:19,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:19,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:19,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:19,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:19,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:19,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:19,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:21,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:21,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:21,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:24,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:24,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 286 [2020-10-15 02:02:24,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-15 02:02:24,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-15 02:02:24,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:24,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:24,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-15 02:02:24,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-15 02:02:24,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 228 [2020-10-15 02:02:24,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:24,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:02:24,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:24,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:24,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:24,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:02:24,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:24,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:02:24,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:24,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:24,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:02:24,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:24,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:02:24,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:24,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:02:24,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:24,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:24,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:24,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:24,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:24,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:24,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:24,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:24,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:24,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:24,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:24,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:24,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:24,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:24,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:25,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:26,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:26,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:26,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:26,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:26,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:29,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:29,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-15 02:02:29,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-15 02:02:29,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-15 02:02:29,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:29,213 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:29,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-15 02:02:29,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 02:02:29,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 155 [2020-10-15 02:02:29,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:29,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:29,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:29,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:29,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:29,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:29,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:29,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:29,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:29,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:29,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:29,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:29,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:29,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:29,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:29,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:29,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:29,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:29,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:30,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:34,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:34,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-15 02:02:34,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-15 02:02:34,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-15 02:02:34,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:34,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:34,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 02:02:34,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:34,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-15 02:02:34,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:34,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:34,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:34,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:34,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:34,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-15 02:02:34,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:34,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 02:02:34,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:34,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:34,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:02:34,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:34,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-15 02:02:34,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:34,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:34,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:34,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:34,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:34,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-15 02:02:34,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:34,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:02:34,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:34,305 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:34,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:02:34,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:34,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:02:34,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:02:34,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:34,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:34,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:34,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:34,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:02:34,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:34,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:02:34,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:34,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:34,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:02:34,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:34,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:02:34,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:02:34,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:34,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:34,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:34,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:34,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:02:34,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:34,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:02:34,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:34,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:34,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:02:34,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:34,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:02:34,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:02:34,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:02:34,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:34,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:34,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:34,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:02:34,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:34,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:02:34,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:34,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:34,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:02:34,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:34,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:02:34,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:02:34,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 02:02:34,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:34,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:34,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:34,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:02:34,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:34,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:02:34,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:34,329 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:34,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:02:34,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:34,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:02:34,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:02:34,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 02:02:34,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:34,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:34,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:34,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:02:34,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:34,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:02:34,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:34,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:34,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:02:34,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:34,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:02:34,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:02:34,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:34,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:34,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:34,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:34,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:02:34,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:34,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:02:34,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:34,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:34,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:02:34,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:34,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:02:34,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:02:34,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:02:34,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:34,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:34,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:34,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:02:34,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:34,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:02:34,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:34,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:34,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:02:34,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:34,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:02:34,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:02:34,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-15 02:02:34,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:34,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:34,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:34,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:34,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:34,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:34,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:35,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:35,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-15 02:02:35,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 02:02:35,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1317 [2020-10-15 02:02:35,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:35,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:35,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:02:35,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:35,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-15 02:02:35,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:35,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:35,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:35,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:35,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:35,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:02:35,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:35,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:02:35,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:35,716 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:35,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:02:35,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:35,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 02:02:35,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:35,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:35,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:35,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:35,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:35,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:02:35,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:35,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:02:35,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:35,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:35,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:02:35,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:35,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:02:35,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:35,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:02:35,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:35,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:35,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:35,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:02:35,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:35,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:02:35,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:35,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:35,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:02:35,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:35,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:02:35,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:35,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 02:02:35,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:35,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:35,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:35,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:02:35,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:35,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:02:35,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:35,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:35,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:02:35,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:35,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:02:35,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:02:35,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-15 02:02:35,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:35,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:35,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:35,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:35,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:36,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:36,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:36,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:36,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:36,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:36,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:36,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:40,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:40,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-15 02:02:40,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-15 02:02:40,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-15 02:02:40,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:40,765 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:40,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 02:02:40,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:02:40,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-15 02:02:40,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:40,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:40,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:40,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:40,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:40,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:40,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:40,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:41,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:41,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:41,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:45,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:45,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-15 02:02:45,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-15 02:02:45,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-15 02:02:45,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:45,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:45,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:02:45,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:45,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-15 02:02:45,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:45,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:45,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:45,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:45,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:45,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-15 02:02:45,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:45,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:02:45,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:45,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:45,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:02:45,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:45,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-15 02:02:45,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:45,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:45,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:45,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:45,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:45,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:02:45,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:45,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:02:45,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:45,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:45,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:02:45,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:45,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:02:45,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:45,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:45,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:45,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:45,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:45,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:02:45,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:45,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:02:45,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:45,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:45,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:02:45,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:45,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:02:45,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:45,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:02:45,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:45,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:45,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:45,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:02:45,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:45,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:02:45,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:45,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:45,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:02:45,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:45,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:02:45,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:45,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 02:02:45,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:45,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:45,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:45,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:02:45,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:45,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:02:45,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:45,878 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:45,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:02:45,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:45,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:02:45,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:45,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 02:02:45,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:45,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:45,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:45,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:45,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:45,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:02:45,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 02:02:45,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-15 02:02:45,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:45,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:45,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:02:45,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:45,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 02:02:45,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:45,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:45,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:45,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:45,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:45,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:02:45,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:45,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:02:45,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:45,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:45,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:02:45,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:45,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:02:45,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:45,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:02:45,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:45,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:45,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:45,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:02:45,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:45,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:02:45,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:45,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:45,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:02:45,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:45,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:02:45,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:45,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-15 02:02:45,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:45,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:45,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:45,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-15 02:02:45,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:45,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:02:45,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:45,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:45,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:02:45,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:45,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-15 02:02:45,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:45,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:45,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:45,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:45,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:45,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:02:45,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:45,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:02:45,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:45,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:45,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:02:45,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:45,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:02:45,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:45,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:45,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:45,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:45,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:45,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:02:45,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:45,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:02:45,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:45,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:45,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:02:45,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:45,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:02:45,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:02:45,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:02:45,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:45,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:45,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:45,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:02:45,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:45,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:02:45,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:45,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:45,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:02:45,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:45,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:02:45,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:45,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 02:02:45,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:45,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:45,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:45,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:02:45,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:45,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:02:45,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:45,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:45,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:02:45,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:45,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:02:45,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:46,023 INFO L134 CoverageAnalysis]: Checked inductivity of 2580 backedges. 531 proven. 395 refuted. 0 times theorem prover too weak. 1654 trivial. 0 not checked. [2020-10-15 02:02:46,023 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1151796198] [2020-10-15 02:02:46,024 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:02:46,024 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-15 02:02:46,024 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242983991] [2020-10-15 02:02:46,024 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 02:02:46,025 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:02:46,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 02:02:46,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2020-10-15 02:02:46,025 INFO L87 Difference]: Start difference. First operand 62 states and 78 transitions. Second operand 12 states. [2020-10-15 02:02:46,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:02:46,348 INFO L93 Difference]: Finished difference Result 142 states and 206 transitions. [2020-10-15 02:02:46,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-15 02:02:46,348 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 218 [2020-10-15 02:02:46,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:02:46,351 INFO L225 Difference]: With dead ends: 142 [2020-10-15 02:02:46,351 INFO L226 Difference]: Without dead ends: 76 [2020-10-15 02:02:46,352 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=118, Invalid=302, Unknown=0, NotChecked=0, Total=420 [2020-10-15 02:02:46,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2020-10-15 02:02:46,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 68. [2020-10-15 02:02:46,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-10-15 02:02:46,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 85 transitions. [2020-10-15 02:02:46,361 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 85 transitions. Word has length 218 [2020-10-15 02:02:46,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:02:46,362 INFO L479 AbstractCegarLoop]: Abstraction has 68 states and 85 transitions. [2020-10-15 02:02:46,362 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 02:02:46,363 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 85 transitions. [2020-10-15 02:02:46,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-15 02:02:46,364 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:02:46,365 INFO L422 BasicCegarLoop]: trace histogram [25, 25, 20, 12, 12, 12, 12, 12, 12, 12, 8, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:02:46,365 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-15 02:02:46,365 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:02:46,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:02:46,365 INFO L82 PathProgramCache]: Analyzing trace with hash 1442326180, now seen corresponding path program 9 times [2020-10-15 02:02:46,366 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:02:46,366 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1491208558] [2020-10-15 02:02:46,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:02:46,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:46,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:46,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:46,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:46,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:46,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:47,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:47,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:48,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:51,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:51,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 233 [2020-10-15 02:02:51,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-15 02:02:51,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-15 02:02:51,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:51,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:51,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 02:02:51,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-15 02:02:51,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 220 [2020-10-15 02:02:51,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:51,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:02:51,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:51,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:51,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:51,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:02:51,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:51,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:02:51,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:51,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:51,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:02:51,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:51,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:02:51,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:51,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:02:51,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:51,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:51,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:51,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:51,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:51,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:51,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:51,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:52,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:56,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:56,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-15 02:02:56,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-15 02:02:56,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-15 02:02:56,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:56,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:56,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 02:02:56,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:56,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 219 [2020-10-15 02:02:56,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:56,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:56,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:56,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:56,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:56,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:56,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:56,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:01,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:01,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:01,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:01,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-15 02:03:01,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-15 02:03:01,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-15 02:03:01,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:01,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:01,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-15 02:03:01,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:01,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-15 02:03:01,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:03:01,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:03:01,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:01,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:01,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:01,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:01,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:01,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:06,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:06,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-15 02:03:06,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 02:03:06,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-15 02:03:06,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:06,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:06,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-15 02:03:06,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:06,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-15 02:03:06,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:03:06,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:03:06,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:06,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:06,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:06,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:06,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:06,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-15 02:03:06,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 02:03:06,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 254 [2020-10-15 02:03:06,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:06,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:06,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:03:06,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:06,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-15 02:03:06,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:03:06,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:03:06,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:06,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:06,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:06,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:03:06,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:03:06,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:03:06,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:06,815 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:06,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:03:06,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:06,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 02:03:06,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:03:06,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:03:06,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:06,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:06,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:06,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:03:06,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:03:06,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:03:06,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:06,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:06,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:03:06,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:06,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:03:06,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:03:06,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:03:06,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:06,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:06,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:06,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:03:06,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:03:06,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:03:06,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:06,823 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:06,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:03:06,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:06,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:03:06,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:03:06,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 02:03:06,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:06,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:06,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:06,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:03:06,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:03:06,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:03:06,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:06,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:06,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:03:06,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:06,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:03:06,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:03:06,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 02:03:06,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:06,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:06,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:06,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:03:06,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:03:06,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:03:06,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:06,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:06,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:03:06,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:06,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 02:03:06,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:03:06,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:03:06,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:06,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:06,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:06,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:03:06,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:03:06,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:03:06,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:06,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:06,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:03:06,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:06,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:03:06,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:03:06,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:03:06,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:06,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:06,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:06,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:03:06,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:03:06,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:03:06,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:06,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:06,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:03:06,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:06,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:03:06,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:03:06,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-15 02:03:06,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:06,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:06,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:06,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-15 02:03:06,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:03:06,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:03:06,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:06,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:06,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:03:06,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:06,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-15 02:03:06,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:03:06,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:03:06,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:06,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:06,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:06,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:03:06,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:03:06,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:03:06,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:06,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:06,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:03:06,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:06,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:03:06,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:03:06,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:03:06,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:06,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:06,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:06,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:03:06,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:03:06,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:03:06,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:06,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:06,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:03:06,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:06,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:03:06,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:03:06,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:03:06,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:06,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:06,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:06,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:03:06,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:03:06,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:03:06,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:06,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:06,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:03:06,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:06,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:03:06,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:03:06,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 02:03:06,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:06,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:06,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:06,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:03:06,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:03:06,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:03:06,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:06,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:06,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:03:06,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:06,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:03:06,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:03:06,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-15 02:03:06,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:06,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:06,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:06,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-15 02:03:06,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:03:06,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 02:03:06,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:06,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:06,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:03:06,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:06,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-15 02:03:06,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:03:06,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:03:06,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:06,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:06,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:06,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-15 02:03:06,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:03:06,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:03:06,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:06,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:06,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:03:06,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:06,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:03:06,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:03:06,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:03:06,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:06,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:06,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:06,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:03:06,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:03:06,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:03:06,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:06,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:06,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:03:06,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:06,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:03:06,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:03:06,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:03:06,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:06,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:06,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:06,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:03:06,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:03:06,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:03:06,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:06,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:06,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:03:06,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:06,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:03:06,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:03:06,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:03:06,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:06,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:06,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:06,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:03:06,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:03:06,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:03:06,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:06,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:06,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:03:06,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:06,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:03:06,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:03:06,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 02:03:06,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:06,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:06,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:06,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:03:06,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:03:06,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:03:06,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:06,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:06,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:03:06,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:06,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:03:06,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:03:06,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 02:03:06,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:06,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:06,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:06,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:03:06,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:03:06,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:03:06,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:06,963 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:06,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:03:06,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:06,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:03:06,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:03:06,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:03:06,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:06,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:06,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:06,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:03:06,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:03:06,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:03:06,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:06,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:06,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:03:06,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:06,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:03:06,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:03:06,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:03:06,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:06,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:06,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:06,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:03:06,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:03:06,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:03:06,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:06,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:06,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:03:06,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:06,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:03:06,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:03:06,998 INFO L134 CoverageAnalysis]: Checked inductivity of 1654 backedges. 124 proven. 428 refuted. 0 times theorem prover too weak. 1102 trivial. 0 not checked. [2020-10-15 02:03:06,998 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1491208558] [2020-10-15 02:03:06,998 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:03:06,999 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-15 02:03:06,999 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662435864] [2020-10-15 02:03:06,999 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-15 02:03:07,000 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:03:07,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-15 02:03:07,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2020-10-15 02:03:07,000 INFO L87 Difference]: Start difference. First operand 68 states and 85 transitions. Second operand 10 states. [2020-10-15 02:03:07,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:03:07,181 INFO L93 Difference]: Finished difference Result 105 states and 137 transitions. [2020-10-15 02:03:07,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-15 02:03:07,182 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 177 [2020-10-15 02:03:07,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:03:07,185 INFO L225 Difference]: With dead ends: 105 [2020-10-15 02:03:07,185 INFO L226 Difference]: Without dead ends: 77 [2020-10-15 02:03:07,186 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 51 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2020-10-15 02:03:07,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2020-10-15 02:03:07,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 71. [2020-10-15 02:03:07,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-10-15 02:03:07,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 89 transitions. [2020-10-15 02:03:07,199 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 89 transitions. Word has length 177 [2020-10-15 02:03:07,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:03:07,200 INFO L479 AbstractCegarLoop]: Abstraction has 71 states and 89 transitions. [2020-10-15 02:03:07,200 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-15 02:03:07,200 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 89 transitions. [2020-10-15 02:03:07,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2020-10-15 02:03:07,204 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:03:07,204 INFO L422 BasicCegarLoop]: trace histogram [41, 41, 33, 20, 20, 20, 20, 20, 20, 20, 13, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:03:07,204 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-15 02:03:07,204 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:03:07,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:03:07,205 INFO L82 PathProgramCache]: Analyzing trace with hash -902141708, now seen corresponding path program 10 times [2020-10-15 02:03:07,205 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:03:07,205 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [522565937] [2020-10-15 02:03:07,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:03:07,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:07,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:07,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:07,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:07,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:07,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:07,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:07,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:07,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:07,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:07,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:12,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:12,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 374 [2020-10-15 02:03:12,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-15 02:03:12,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-15 02:03:12,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:12,282 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:12,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-15 02:03:12,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-15 02:03:12,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 361 [2020-10-15 02:03:12,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:03:12,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:03:12,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:12,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:12,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:12,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:03:12,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:03:12,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:03:12,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:12,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:12,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:03:12,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:12,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:03:12,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:03:12,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:03:12,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:12,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:12,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:12,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:12,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:12,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:12,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:12,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:12,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:13,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:13,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:14,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:14,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:17,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:17,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 362 [2020-10-15 02:03:17,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-15 02:03:17,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-15 02:03:17,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:17,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:17,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-15 02:03:17,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:17,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 360 [2020-10-15 02:03:17,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:03:17,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:03:17,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:17,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:17,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:17,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:17,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:17,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:17,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:22,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:22,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-15 02:03:22,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 02:03:22,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-15 02:03:22,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:22,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:22,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-15 02:03:22,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:22,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 219 [2020-10-15 02:03:22,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:03:22,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:03:22,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:22,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:22,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:22,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:22,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:22,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:23,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:27,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:27,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-15 02:03:27,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 02:03:27,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-15 02:03:27,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:27,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:27,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-15 02:03:27,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:27,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-15 02:03:27,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:03:27,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:03:27,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:27,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:27,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:27,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:27,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:27,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:32,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:32,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-15 02:03:32,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 02:03:32,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-15 02:03:32,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:32,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:32,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-15 02:03:32,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:32,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-15 02:03:32,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:03:32,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:03:32,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:32,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:32,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:32,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:32,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:32,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-15 02:03:32,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 02:03:32,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 275 [2020-10-15 02:03:32,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:32,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:32,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:03:32,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:32,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-15 02:03:32,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:03:32,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:03:32,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:32,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:32,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:32,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:03:32,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:03:32,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:03:32,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:32,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:32,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:03:32,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:32,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 02:03:32,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:03:32,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:03:32,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:32,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:32,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:32,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:03:32,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:03:32,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:03:32,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:32,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:32,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:03:32,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:32,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:03:32,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:03:32,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:03:32,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:32,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:32,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:32,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:03:32,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:03:32,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:03:32,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:32,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:32,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:03:32,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:32,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:03:32,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:03:32,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 02:03:32,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:32,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:32,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:32,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:03:32,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:03:32,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:03:32,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:32,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:32,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:03:32,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:32,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:03:32,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:03:32,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 02:03:32,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:32,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:32,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:32,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:03:32,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:03:32,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:03:32,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:32,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:32,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:03:32,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:32,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 02:03:32,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:03:32,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:03:32,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:32,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:32,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:32,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:03:32,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:03:32,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:03:32,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:32,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:32,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:03:32,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:32,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:03:32,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:03:32,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:03:32,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:32,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:32,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:32,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:03:32,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:03:32,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:03:32,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:32,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:32,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:03:32,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:32,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:03:32,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:03:32,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-15 02:03:32,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:32,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:32,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:32,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-15 02:03:32,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:03:32,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:03:32,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:32,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:32,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:03:32,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:32,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-15 02:03:32,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:03:32,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:03:32,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:32,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:32,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:32,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:03:32,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:03:32,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:03:32,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:32,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:32,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:03:32,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:32,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:03:32,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:03:32,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:03:32,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:32,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:32,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:32,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:03:32,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:03:32,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:03:32,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:32,844 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:32,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:03:32,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:32,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:03:32,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:03:32,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:03:32,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:32,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:32,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:32,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:03:32,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:03:32,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:03:32,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:32,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:32,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:03:32,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:32,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:03:32,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:03:32,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 02:03:32,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:32,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:32,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:32,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:03:32,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:03:32,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:03:32,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:32,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:32,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:03:32,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:32,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:03:32,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:03:32,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-15 02:03:32,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:32,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:32,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:32,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-15 02:03:32,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:03:32,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 02:03:32,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:32,876 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:32,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:03:32,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:32,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-15 02:03:32,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:03:32,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:03:32,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:32,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:32,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:32,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-15 02:03:32,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:03:32,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:03:32,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:32,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:32,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:03:32,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:32,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:03:32,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:03:32,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:03:32,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:32,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:32,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:32,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:03:32,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:03:32,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:03:32,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:32,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:32,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:03:32,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:32,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:03:32,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:03:32,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:03:32,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:32,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:32,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:32,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:03:32,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:03:32,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:03:32,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:32,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:32,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:03:32,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:32,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:03:32,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:03:32,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:03:32,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:32,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:32,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:32,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:03:32,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:03:32,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:03:32,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:32,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:32,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:03:32,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:32,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:03:32,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:03:32,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 02:03:32,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:32,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:32,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:32,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:03:32,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:03:32,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:03:32,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:32,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:32,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:03:32,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:32,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:03:32,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:03:32,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 02:03:32,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:32,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:32,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:32,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:03:32,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:03:32,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:03:32,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:32,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:32,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:03:32,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:32,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:03:32,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:03:32,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:03:32,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:32,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:32,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:32,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:03:32,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:03:32,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:03:32,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:32,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:32,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:03:32,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:32,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:03:32,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:03:32,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:03:32,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:32,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:32,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:32,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:03:32,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:03:32,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:03:32,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:32,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:32,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:03:32,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:32,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:03:32,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:03:32,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-15 02:03:32,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:32,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:32,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:32,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-15 02:03:32,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:03:32,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-15 02:03:32,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:32,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:32,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:03:32,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:32,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-15 02:03:32,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:03:32,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:03:32,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:32,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:32,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:32,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-15 02:03:32,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:03:32,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:03:32,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:32,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:32,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:03:32,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:32,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:03:32,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:03:32,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:03:32,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:32,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:32,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:32,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-15 02:03:32,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:03:32,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:03:32,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:32,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:32,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:03:32,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:32,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:03:32,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:03:32,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:03:32,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:32,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:32,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:32,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:03:32,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:03:32,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:03:32,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:32,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:32,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:03:32,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:32,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:03:32,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:03:32,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:03:32,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:32,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:32,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:32,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:03:32,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:03:32,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:03:32,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:32,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:32,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:03:32,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:32,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:03:32,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:03:32,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:03:32,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:32,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:32,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:32,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:03:32,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:03:32,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:03:32,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:32,996 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:32,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:03:32,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:32,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:03:32,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:03:32,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 02:03:32,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:32,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:33,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:33,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:03:33,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:03:33,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:03:33,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:33,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:33,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:03:33,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:33,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:03:33,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:03:33,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 02:03:33,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:33,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:33,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:33,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:03:33,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:03:33,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:03:33,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:33,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:33,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:03:33,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:33,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:03:33,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:03:33,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:03:33,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:33,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:33,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:33,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:03:33,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:03:33,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:03:33,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:33,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:33,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:03:33,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:33,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:03:33,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:03:33,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:03:33,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:33,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:33,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:33,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:03:33,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:03:33,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:03:33,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:33,022 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:33,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:03:33,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:33,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:03:33,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:03:33,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-15 02:03:33,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:33,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:33,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:33,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-15 02:03:33,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:03:33,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:03:33,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:33,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:33,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:03:33,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:33,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:03:33,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:03:33,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:03:33,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:33,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:33,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:33,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:03:33,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:03:33,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:03:33,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:33,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:33,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:03:33,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:33,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:03:33,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:03:33,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:03:33,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:33,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:33,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:33,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:03:33,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:03:33,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:03:33,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:33,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:33,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:03:33,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:33,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:03:33,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:03:33,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 02:03:33,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:33,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:33,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:33,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:03:33,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:03:33,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:03:33,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:33,056 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:33,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:03:33,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:33,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:03:33,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:03:33,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 02:03:33,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:33,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:33,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:33,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:03:33,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:03:33,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:03:33,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:33,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:33,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:03:33,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:33,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:03:33,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:03:33,214 INFO L134 CoverageAnalysis]: Checked inductivity of 4568 backedges. 245 proven. 929 refuted. 0 times theorem prover too weak. 3394 trivial. 0 not checked. [2020-10-15 02:03:33,215 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [522565937] [2020-10-15 02:03:33,219 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:03:33,219 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-15 02:03:33,220 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208380708] [2020-10-15 02:03:33,221 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-15 02:03:33,221 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:03:33,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-15 02:03:33,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-15 02:03:33,222 INFO L87 Difference]: Start difference. First operand 71 states and 89 transitions. Second operand 11 states. [2020-10-15 02:03:33,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:03:33,479 INFO L93 Difference]: Finished difference Result 146 states and 209 transitions. [2020-10-15 02:03:33,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-15 02:03:33,484 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 286 [2020-10-15 02:03:33,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:03:33,487 INFO L225 Difference]: With dead ends: 146 [2020-10-15 02:03:33,489 INFO L226 Difference]: Without dead ends: 142 [2020-10-15 02:03:33,490 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=177, Unknown=0, NotChecked=0, Total=272 [2020-10-15 02:03:33,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2020-10-15 02:03:33,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 131. [2020-10-15 02:03:33,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2020-10-15 02:03:33,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 188 transitions. [2020-10-15 02:03:33,530 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 188 transitions. Word has length 286 [2020-10-15 02:03:33,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:03:33,531 INFO L479 AbstractCegarLoop]: Abstraction has 131 states and 188 transitions. [2020-10-15 02:03:33,531 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-15 02:03:33,531 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 188 transitions. [2020-10-15 02:03:33,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2020-10-15 02:03:33,555 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:03:33,555 INFO L422 BasicCegarLoop]: trace histogram [67, 67, 54, 33, 33, 33, 33, 33, 33, 33, 21, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:03:33,556 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-15 02:03:33,556 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:03:33,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:03:33,556 INFO L82 PathProgramCache]: Analyzing trace with hash -768599631, now seen corresponding path program 11 times [2020-10-15 02:03:33,556 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:03:33,556 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [114018300] [2020-10-15 02:03:33,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:03:33,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 02:03:33,667 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-15 02:03:33,668 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-15 02:03:33,676 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-15 02:03:33,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 02:03:33 BoogieIcfgContainer [2020-10-15 02:03:33,754 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-15 02:03:33,758 INFO L168 Benchmark]: Toolchain (without parser) took 194306.78 ms. Allocated memory was 148.4 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 104.6 MB in the beginning and 231.4 MB in the end (delta: -126.9 MB). Peak memory consumption was 906.0 MB. Max. memory is 7.1 GB. [2020-10-15 02:03:33,766 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 148.4 MB. Free memory was 122.9 MB in the beginning and 122.5 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. [2020-10-15 02:03:33,766 INFO L168 Benchmark]: CACSL2BoogieTranslator took 305.20 ms. Allocated memory is still 148.4 MB. Free memory was 104.1 MB in the beginning and 95.1 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2020-10-15 02:03:33,767 INFO L168 Benchmark]: Boogie Preprocessor took 121.99 ms. Allocated memory was 148.4 MB in the beginning and 205.0 MB in the end (delta: 56.6 MB). Free memory was 95.1 MB in the beginning and 183.4 MB in the end (delta: -88.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. [2020-10-15 02:03:33,769 INFO L168 Benchmark]: RCFGBuilder took 292.42 ms. Allocated memory is still 205.0 MB. Free memory was 183.4 MB in the beginning and 171.5 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. [2020-10-15 02:03:33,771 INFO L168 Benchmark]: TraceAbstraction took 193582.32 ms. Allocated memory was 205.0 MB in the beginning and 1.2 GB in the end (delta: 976.2 MB). Free memory was 171.5 MB in the beginning and 231.4 MB in the end (delta: -59.9 MB). Peak memory consumption was 916.3 MB. Max. memory is 7.1 GB. [2020-10-15 02:03:33,774 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 148.4 MB. Free memory was 122.9 MB in the beginning and 122.5 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 305.20 ms. Allocated memory is still 148.4 MB. Free memory was 104.1 MB in the beginning and 95.1 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 121.99 ms. Allocated memory was 148.4 MB in the beginning and 205.0 MB in the end (delta: 56.6 MB). Free memory was 95.1 MB in the beginning and 183.4 MB in the end (delta: -88.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 292.42 ms. Allocated memory is still 205.0 MB. Free memory was 183.4 MB in the beginning and 171.5 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 193582.32 ms. Allocated memory was 205.0 MB in the beginning and 1.2 GB in the end (delta: 976.2 MB). Free memory was 171.5 MB in the beginning and 231.4 MB in the end (delta: -59.9 MB). Peak memory consumption was 916.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 31]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L26] int x = __VERIFIER_nondet_int(); [L27] CALL, EXPR fibonacci(x) [L15] COND FALSE !(n < 1) [L17] COND FALSE !(n == 1) [L20] CALL, EXPR fibonacci(n-1) [L15] COND FALSE !(n < 1) [L17] COND FALSE !(n == 1) [L20] CALL, EXPR fibonacci(n-1) [L15] COND FALSE !(n < 1) [L17] COND FALSE !(n == 1) [L20] CALL, EXPR fibonacci(n-1) [L15] COND FALSE !(n < 1) [L17] COND FALSE !(n == 1) [L20] CALL, EXPR fibonacci(n-1) [L15] COND FALSE !(n < 1) [L17] COND FALSE !(n == 1) [L20] CALL, EXPR fibonacci(n-1) [L15] COND FALSE !(n < 1) [L17] COND FALSE !(n == 1) [L20] CALL, EXPR fibonacci(n-1) [L15] COND FALSE !(n < 1) [L17] COND FALSE !(n == 1) [L20] CALL, EXPR fibonacci(n-1) [L15] COND FALSE !(n < 1) [L17] COND TRUE n == 1 [L18] return 1; [L20] RET, EXPR fibonacci(n-1) [L20] CALL, EXPR fibonacci(n-2) [L15] COND TRUE n < 1 [L16] return 0; [L20] RET, EXPR fibonacci(n-2) [L20] return fibonacci(n-1) + fibonacci(n-2); [L20] RET, EXPR fibonacci(n-1) [L20] CALL, EXPR fibonacci(n-2) [L15] COND FALSE !(n < 1) [L17] COND TRUE n == 1 [L18] return 1; [L20] RET, EXPR fibonacci(n-2) [L20] return fibonacci(n-1) + fibonacci(n-2); [L20] RET, EXPR fibonacci(n-1) [L20] CALL, EXPR fibonacci(n-2) [L15] COND FALSE !(n < 1) [L17] COND FALSE !(n == 1) [L20] CALL, EXPR fibonacci(n-1) [L15] COND FALSE !(n < 1) [L17] COND TRUE n == 1 [L18] return 1; [L20] RET, EXPR fibonacci(n-1) [L20] CALL, EXPR fibonacci(n-2) [L15] COND TRUE n < 1 [L16] return 0; [L20] RET, EXPR fibonacci(n-2) [L20] return fibonacci(n-1) + fibonacci(n-2); [L20] RET, EXPR fibonacci(n-2) [L20] return fibonacci(n-1) + fibonacci(n-2); [L20] RET, EXPR fibonacci(n-1) [L20] CALL, EXPR fibonacci(n-2) [L15] COND FALSE !(n < 1) [L17] COND FALSE !(n == 1) [L20] CALL, EXPR fibonacci(n-1) [L15] COND FALSE !(n < 1) [L17] COND FALSE !(n == 1) [L20] CALL, EXPR fibonacci(n-1) [L15] COND FALSE !(n < 1) [L17] COND TRUE n == 1 [L18] return 1; [L20] RET, EXPR fibonacci(n-1) [L20] CALL, EXPR fibonacci(n-2) [L15] COND TRUE n < 1 [L16] return 0; [L20] RET, EXPR fibonacci(n-2) [L20] return fibonacci(n-1) + fibonacci(n-2); [L20] RET, EXPR fibonacci(n-1) [L20] CALL, EXPR fibonacci(n-2) [L15] COND FALSE !(n < 1) [L17] COND TRUE n == 1 [L18] return 1; [L20] RET, EXPR fibonacci(n-2) [L20] return fibonacci(n-1) + fibonacci(n-2); [L20] RET, EXPR fibonacci(n-2) [L20] return fibonacci(n-1) + fibonacci(n-2); [L20] RET, EXPR fibonacci(n-1) [L20] CALL, EXPR fibonacci(n-2) [L15] COND FALSE !(n < 1) [L17] COND FALSE !(n == 1) [L20] CALL, EXPR fibonacci(n-1) [L15] COND FALSE !(n < 1) [L17] COND FALSE !(n == 1) [L20] CALL, EXPR fibonacci(n-1) [L15] COND FALSE !(n < 1) [L17] COND FALSE !(n == 1) [L20] CALL, EXPR fibonacci(n-1) [L15] COND FALSE !(n < 1) [L17] COND TRUE n == 1 [L18] return 1; [L20] RET, EXPR fibonacci(n-1) [L20] CALL, EXPR fibonacci(n-2) [L15] COND TRUE n < 1 [L16] return 0; [L20] RET, EXPR fibonacci(n-2) [L20] return fibonacci(n-1) + fibonacci(n-2); [L20] RET, EXPR fibonacci(n-1) [L20] CALL, EXPR fibonacci(n-2) [L15] COND FALSE !(n < 1) [L17] COND TRUE n == 1 [L18] return 1; [L20] RET, EXPR fibonacci(n-2) [L20] return fibonacci(n-1) + fibonacci(n-2); [L20] RET, EXPR fibonacci(n-1) [L20] CALL, EXPR fibonacci(n-2) [L15] COND FALSE !(n < 1) [L17] COND FALSE !(n == 1) [L20] CALL, EXPR fibonacci(n-1) [L15] COND FALSE !(n < 1) [L17] COND TRUE n == 1 [L18] return 1; [L20] RET, EXPR fibonacci(n-1) [L20] CALL, EXPR fibonacci(n-2) [L15] COND TRUE n < 1 [L16] return 0; [L20] RET, EXPR fibonacci(n-2) [L20] return fibonacci(n-1) + fibonacci(n-2); [L20] RET, EXPR fibonacci(n-2) [L20] return fibonacci(n-1) + fibonacci(n-2); [L20] RET, EXPR fibonacci(n-2) [L20] return fibonacci(n-1) + fibonacci(n-2); [L20] RET, EXPR fibonacci(n-1) [L20] CALL, EXPR fibonacci(n-2) [L15] COND FALSE !(n < 1) [L17] COND FALSE !(n == 1) [L20] CALL, EXPR fibonacci(n-1) [L15] COND FALSE !(n < 1) [L17] COND FALSE !(n == 1) [L20] CALL, EXPR fibonacci(n-1) [L15] COND FALSE !(n < 1) [L17] COND FALSE !(n == 1) [L20] CALL, EXPR fibonacci(n-1) [L15] COND FALSE !(n < 1) [L17] COND FALSE !(n == 1) [L20] CALL, EXPR fibonacci(n-1) [L15] COND FALSE !(n < 1) [L17] COND TRUE n == 1 [L18] return 1; [L20] RET, EXPR fibonacci(n-1) [L20] CALL, EXPR fibonacci(n-2) [L15] COND TRUE n < 1 [L16] return 0; [L20] RET, EXPR fibonacci(n-2) [L20] return fibonacci(n-1) + fibonacci(n-2); [L20] RET, EXPR fibonacci(n-1) [L20] CALL, EXPR fibonacci(n-2) [L15] COND FALSE !(n < 1) [L17] COND TRUE n == 1 [L18] return 1; [L20] RET, EXPR fibonacci(n-2) [L20] return fibonacci(n-1) + fibonacci(n-2); [L20] RET, EXPR fibonacci(n-1) [L20] CALL, EXPR fibonacci(n-2) [L15] COND FALSE !(n < 1) [L17] COND FALSE !(n == 1) [L20] CALL, EXPR fibonacci(n-1) [L15] COND FALSE !(n < 1) [L17] COND TRUE n == 1 [L18] return 1; [L20] RET, EXPR fibonacci(n-1) [L20] CALL, EXPR fibonacci(n-2) [L15] COND TRUE n < 1 [L16] return 0; [L20] RET, EXPR fibonacci(n-2) [L20] return fibonacci(n-1) + fibonacci(n-2); [L20] RET, EXPR fibonacci(n-2) [L20] return fibonacci(n-1) + fibonacci(n-2); [L20] RET, EXPR fibonacci(n-1) [L20] CALL, EXPR fibonacci(n-2) [L15] COND FALSE !(n < 1) [L17] COND FALSE !(n == 1) [L20] CALL, EXPR fibonacci(n-1) [L15] COND FALSE !(n < 1) [L17] COND FALSE !(n == 1) [L20] CALL, EXPR fibonacci(n-1) [L15] COND FALSE !(n < 1) [L17] COND TRUE n == 1 [L18] return 1; [L20] RET, EXPR fibonacci(n-1) [L20] CALL, EXPR fibonacci(n-2) [L15] COND TRUE n < 1 [L16] return 0; [L20] RET, EXPR fibonacci(n-2) [L20] return fibonacci(n-1) + fibonacci(n-2); [L20] RET, EXPR fibonacci(n-1) [L20] CALL, EXPR fibonacci(n-2) [L15] COND FALSE !(n < 1) [L17] COND TRUE n == 1 [L18] return 1; [L20] RET, EXPR fibonacci(n-2) [L20] return fibonacci(n-1) + fibonacci(n-2); [L20] RET, EXPR fibonacci(n-2) [L20] return fibonacci(n-1) + fibonacci(n-2); [L20] RET, EXPR fibonacci(n-2) [L20] return fibonacci(n-1) + fibonacci(n-2); [L20] RET, EXPR fibonacci(n-1) [L20] CALL, EXPR fibonacci(n-2) [L15] COND FALSE !(n < 1) [L17] COND FALSE !(n == 1) [L20] CALL, EXPR fibonacci(n-1) [L15] COND FALSE !(n < 1) [L17] COND FALSE !(n == 1) [L20] CALL, EXPR fibonacci(n-1) [L15] COND FALSE !(n < 1) [L17] COND FALSE !(n == 1) [L20] CALL, EXPR fibonacci(n-1) [L15] COND FALSE !(n < 1) [L17] COND FALSE !(n == 1) [L20] CALL, EXPR fibonacci(n-1) [L15] COND FALSE !(n < 1) [L17] COND FALSE !(n == 1) [L20] CALL, EXPR fibonacci(n-1) [L15] COND FALSE !(n < 1) [L17] COND TRUE n == 1 [L18] return 1; [L20] RET, EXPR fibonacci(n-1) [L20] CALL, EXPR fibonacci(n-2) [L15] COND TRUE n < 1 [L16] return 0; [L20] RET, EXPR fibonacci(n-2) [L20] return fibonacci(n-1) + fibonacci(n-2); [L20] RET, EXPR fibonacci(n-1) [L20] CALL, EXPR fibonacci(n-2) [L15] COND FALSE !(n < 1) [L17] COND TRUE n == 1 [L18] return 1; [L20] RET, EXPR fibonacci(n-2) [L20] return fibonacci(n-1) + fibonacci(n-2); [L20] RET, EXPR fibonacci(n-1) [L20] CALL, EXPR fibonacci(n-2) [L15] COND FALSE !(n < 1) [L17] COND FALSE !(n == 1) [L20] CALL, EXPR fibonacci(n-1) [L15] COND FALSE !(n < 1) [L17] COND TRUE n == 1 [L18] return 1; [L20] RET, EXPR fibonacci(n-1) [L20] CALL, EXPR fibonacci(n-2) [L15] COND TRUE n < 1 [L16] return 0; [L20] RET, EXPR fibonacci(n-2) [L20] return fibonacci(n-1) + fibonacci(n-2); [L20] RET, EXPR fibonacci(n-2) [L20] return fibonacci(n-1) + fibonacci(n-2); [L20] RET, EXPR fibonacci(n-1) [L20] CALL, EXPR fibonacci(n-2) [L15] COND FALSE !(n < 1) [L17] COND FALSE !(n == 1) [L20] CALL, EXPR fibonacci(n-1) [L15] COND FALSE !(n < 1) [L17] COND FALSE !(n == 1) [L20] CALL, EXPR fibonacci(n-1) [L15] COND FALSE !(n < 1) [L17] COND TRUE n == 1 [L18] return 1; [L20] RET, EXPR fibonacci(n-1) [L20] CALL, EXPR fibonacci(n-2) [L15] COND TRUE n < 1 [L16] return 0; [L20] RET, EXPR fibonacci(n-2) [L20] return fibonacci(n-1) + fibonacci(n-2); [L20] RET, EXPR fibonacci(n-1) [L20] CALL, EXPR fibonacci(n-2) [L15] COND FALSE !(n < 1) [L17] COND TRUE n == 1 [L18] return 1; [L20] RET, EXPR fibonacci(n-2) [L20] return fibonacci(n-1) + fibonacci(n-2); [L20] RET, EXPR fibonacci(n-2) [L20] return fibonacci(n-1) + fibonacci(n-2); [L20] RET, EXPR fibonacci(n-1) [L20] CALL, EXPR fibonacci(n-2) [L15] COND FALSE !(n < 1) [L17] COND FALSE !(n == 1) [L20] CALL, EXPR fibonacci(n-1) [L15] COND FALSE !(n < 1) [L17] COND FALSE !(n == 1) [L20] CALL, EXPR fibonacci(n-1) [L15] COND FALSE !(n < 1) [L17] COND FALSE !(n == 1) [L20] CALL, EXPR fibonacci(n-1) [L15] COND FALSE !(n < 1) [L17] COND TRUE n == 1 [L18] return 1; [L20] RET, EXPR fibonacci(n-1) [L20] CALL, EXPR fibonacci(n-2) [L15] COND TRUE n < 1 [L16] return 0; [L20] RET, EXPR fibonacci(n-2) [L20] return fibonacci(n-1) + fibonacci(n-2); [L20] RET, EXPR fibonacci(n-1) [L20] CALL, EXPR fibonacci(n-2) [L15] COND FALSE !(n < 1) [L17] COND TRUE n == 1 [L18] return 1; [L20] RET, EXPR fibonacci(n-2) [L20] return fibonacci(n-1) + fibonacci(n-2); [L20] RET, EXPR fibonacci(n-1) [L20] CALL, EXPR fibonacci(n-2) [L15] COND FALSE !(n < 1) [L17] COND FALSE !(n == 1) [L20] CALL, EXPR fibonacci(n-1) [L15] COND FALSE !(n < 1) [L17] COND TRUE n == 1 [L18] return 1; [L20] RET, EXPR fibonacci(n-1) [L20] CALL, EXPR fibonacci(n-2) [L15] COND TRUE n < 1 [L16] return 0; [L20] RET, EXPR fibonacci(n-2) [L20] return fibonacci(n-1) + fibonacci(n-2); [L20] RET, EXPR fibonacci(n-2) [L20] return fibonacci(n-1) + fibonacci(n-2); [L20] RET, EXPR fibonacci(n-2) [L20] return fibonacci(n-1) + fibonacci(n-2); [L20] RET, EXPR fibonacci(n-2) [L20] return fibonacci(n-1) + fibonacci(n-2); [L27] RET, EXPR fibonacci(x) [L27] int result = fibonacci(x); [L28] COND FALSE !(x < 8 || result >= 34) [L31] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 193.4s, OverallIterations: 17, TraceHistogramMax: 67, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 307 SDtfs, 456 SDslu, 987 SDs, 0 SdLazy, 1505 SolverSat, 440 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 661 GetRequests, 464 SyntacticMatches, 2 SemanticMatches, 195 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 358 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=131occurred in iteration=16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 16 MinimizatonAttempts, 79 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 189.1s InterpolantComputationTime, 1985 NumberOfCodeBlocks, 1985 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1506 ConstructedInterpolants, 0 QuantifiedInterpolants, 389140 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 2 PerfectInterpolantSequences, 9800/12276 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...