/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/recursive/Addition03-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 03:56:21,966 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 03:56:21,969 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 03:56:22,027 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 03:56:22,028 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 03:56:22,037 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 03:56:22,040 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 03:56:22,045 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 03:56:22,048 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 03:56:22,055 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 03:56:22,056 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 03:56:22,058 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 03:56:22,058 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 03:56:22,061 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 03:56:22,065 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 03:56:22,068 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 03:56:22,069 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 03:56:22,073 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 03:56:22,080 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 03:56:22,089 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 03:56:22,091 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 03:56:22,092 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 03:56:22,094 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 03:56:22,097 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 03:56:22,106 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 03:56:22,106 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 03:56:22,106 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 03:56:22,109 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 03:56:22,109 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 03:56:22,110 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 03:56:22,111 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 03:56:22,112 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 03:56:22,114 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 03:56:22,115 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 03:56:22,116 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 03:56:22,116 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 03:56:22,117 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 03:56:22,117 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 03:56:22,131 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 03:56:22,133 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 03:56:22,134 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 03:56:22,138 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 03:56:22,202 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 03:56:22,203 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 03:56:22,208 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 03:56:22,208 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 03:56:22,208 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 03:56:22,209 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 03:56:22,209 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 03:56:22,209 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 03:56:22,209 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 03:56:22,209 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 03:56:22,211 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 03:56:22,211 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 03:56:22,211 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 03:56:22,212 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 03:56:22,212 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 03:56:22,212 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 03:56:22,212 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 03:56:22,212 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 03:56:22,213 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 03:56:22,213 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 03:56:22,213 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 03:56:22,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 03:56:22,214 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 03:56:22,214 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 03:56:22,214 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 03:56:22,214 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 03:56:22,215 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 03:56:22,215 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 03:56:22,215 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 03:56:22,215 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 03:56:22,654 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 03:56:22,705 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 03:56:22,709 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 03:56:22,710 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 03:56:22,711 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 03:56:22,712 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive/Addition03-1.c [2020-10-27 03:56:22,806 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/043057ec7/31643edddd084f6e9d1c9e9397e5d235/FLAG596d7a6c8 [2020-10-27 03:56:23,467 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 03:56:23,468 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive/Addition03-1.c [2020-10-27 03:56:23,478 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/043057ec7/31643edddd084f6e9d1c9e9397e5d235/FLAG596d7a6c8 [2020-10-27 03:56:23,821 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/043057ec7/31643edddd084f6e9d1c9e9397e5d235 [2020-10-27 03:56:23,824 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 03:56:23,832 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 03:56:23,834 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 03:56:23,834 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 03:56:23,838 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 03:56:23,839 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:56:23" (1/1) ... [2020-10-27 03:56:23,843 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7deee189 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:56:23, skipping insertion in model container [2020-10-27 03:56:23,843 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:56:23" (1/1) ... [2020-10-27 03:56:23,852 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 03:56:23,868 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 03:56:24,040 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 03:56:24,052 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 03:56:24,072 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 03:56:24,088 INFO L208 MainTranslator]: Completed translation [2020-10-27 03:56:24,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:56:24 WrapperNode [2020-10-27 03:56:24,089 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 03:56:24,091 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 03:56:24,091 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 03:56:24,091 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 03:56:24,105 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:56:24" (1/1) ... [2020-10-27 03:56:24,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:56:24" (1/1) ... [2020-10-27 03:56:24,114 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:56:24" (1/1) ... [2020-10-27 03:56:24,114 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:56:24" (1/1) ... [2020-10-27 03:56:24,121 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:56:24" (1/1) ... [2020-10-27 03:56:24,123 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:56:24" (1/1) ... [2020-10-27 03:56:24,124 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:56:24" (1/1) ... [2020-10-27 03:56:24,127 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 03:56:24,128 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 03:56:24,128 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 03:56:24,128 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 03:56:24,129 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:56:24" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 03:56:24,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 03:56:24,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 03:56:24,258 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 03:56:24,259 INFO L138 BoogieDeclarations]: Found implementation of procedure addition [2020-10-27 03:56:24,259 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 03:56:24,259 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 03:56:24,259 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 03:56:24,259 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 03:56:24,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 03:56:24,260 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 03:56:24,260 INFO L130 BoogieDeclarations]: Found specification of procedure addition [2020-10-27 03:56:24,260 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 03:56:24,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 03:56:24,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 03:56:24,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 03:56:24,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 03:56:24,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 03:56:24,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 03:56:24,601 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 03:56:24,601 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-27 03:56:24,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:56:24 BoogieIcfgContainer [2020-10-27 03:56:24,603 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 03:56:24,606 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 03:56:24,606 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 03:56:24,610 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 03:56:24,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 03:56:23" (1/3) ... [2020-10-27 03:56:24,612 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65277fe9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:56:24, skipping insertion in model container [2020-10-27 03:56:24,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:56:24" (2/3) ... [2020-10-27 03:56:24,613 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65277fe9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:56:24, skipping insertion in model container [2020-10-27 03:56:24,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:56:24" (3/3) ... [2020-10-27 03:56:24,615 INFO L111 eAbstractionObserver]: Analyzing ICFG Addition03-1.c [2020-10-27 03:56:24,629 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 03:56:24,635 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 03:56:24,652 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 03:56:24,696 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 03:56:24,696 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 03:56:24,696 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 03:56:24,697 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 03:56:24,697 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 03:56:24,697 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 03:56:24,697 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 03:56:24,697 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 03:56:24,727 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2020-10-27 03:56:24,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-27 03:56:24,736 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:56:24,737 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:56:24,738 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:56:24,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:56:24,753 INFO L82 PathProgramCache]: Analyzing trace with hash -1428447986, now seen corresponding path program 1 times [2020-10-27 03:56:24,764 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:56:24,765 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1600169493] [2020-10-27 03:56:24,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:56:24,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:25,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:25,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:25,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 03:56:25,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:25,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 370 [2020-10-27 03:56:25,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:25,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:56:25,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 03:56:25,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 03:56:25,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 03:56:25,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:56:25,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:25,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:25,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:25,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:56:25,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:25,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 03:56:25,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:25,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:56:25,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:25,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:56:25,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:25,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:56:25,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:25,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:25,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:25,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:56:25,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:25,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 03:56:25,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:25,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:56:25,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:25,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:56:25,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:56:25,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 03:56:25,579 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1600169493] [2020-10-27 03:56:25,582 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:56:25,582 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 03:56:25,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839723667] [2020-10-27 03:56:25,588 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 03:56:25,589 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:56:25,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 03:56:25,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-27 03:56:25,607 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 6 states. [2020-10-27 03:56:26,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:56:26,046 INFO L93 Difference]: Finished difference Result 42 states and 50 transitions. [2020-10-27 03:56:26,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 03:56:26,048 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-10-27 03:56:26,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:56:26,058 INFO L225 Difference]: With dead ends: 42 [2020-10-27 03:56:26,058 INFO L226 Difference]: Without dead ends: 24 [2020-10-27 03:56:26,062 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-27 03:56:26,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2020-10-27 03:56:26,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2020-10-27 03:56:26,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-10-27 03:56:26,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 29 transitions. [2020-10-27 03:56:26,116 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 29 transitions. Word has length 15 [2020-10-27 03:56:26,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:56:26,116 INFO L481 AbstractCegarLoop]: Abstraction has 24 states and 29 transitions. [2020-10-27 03:56:26,116 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 03:56:26,117 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2020-10-27 03:56:26,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-27 03:56:26,119 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:56:26,119 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:56:26,120 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 03:56:26,120 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:56:26,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:56:26,121 INFO L82 PathProgramCache]: Analyzing trace with hash -1999542133, now seen corresponding path program 1 times [2020-10-27 03:56:26,121 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:56:26,122 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1562887660] [2020-10-27 03:56:26,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:56:26,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:26,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:26,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:26,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-27 03:56:26,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:26,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 169 [2020-10-27 03:56:26,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:26,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:56:26,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 03:56:26,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 03:56:26,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:26,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:56:26,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:26,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:26,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:26,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:56:26,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:26,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 03:56:26,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:26,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:56:26,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:26,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:56:26,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:26,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:56:26,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:26,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:26,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:26,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:56:26,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:26,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-27 03:56:26,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:26,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:56:26,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:26,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 03:56:26,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:26,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:26,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:26,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:26,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:26,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:56:26,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:26,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 03:56:26,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:26,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:56:26,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:26,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:56:26,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:56:26,514 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-27 03:56:26,515 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1562887660] [2020-10-27 03:56:26,515 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:56:26,515 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-27 03:56:26,516 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851931952] [2020-10-27 03:56:26,518 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 03:56:26,518 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:56:26,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 03:56:26,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-27 03:56:26,520 INFO L87 Difference]: Start difference. First operand 24 states and 29 transitions. Second operand 8 states. [2020-10-27 03:56:26,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:56:26,845 INFO L93 Difference]: Finished difference Result 34 states and 41 transitions. [2020-10-27 03:56:26,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 03:56:26,846 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2020-10-27 03:56:26,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:56:26,848 INFO L225 Difference]: With dead ends: 34 [2020-10-27 03:56:26,848 INFO L226 Difference]: Without dead ends: 29 [2020-10-27 03:56:26,850 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-10-27 03:56:26,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-10-27 03:56:26,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 27. [2020-10-27 03:56:26,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-10-27 03:56:26,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 33 transitions. [2020-10-27 03:56:26,862 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 33 transitions. Word has length 22 [2020-10-27 03:56:26,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:56:26,863 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 33 transitions. [2020-10-27 03:56:26,863 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 03:56:26,863 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2020-10-27 03:56:26,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-27 03:56:26,865 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:56:26,865 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:56:26,865 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 03:56:26,866 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:56:26,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:56:26,866 INFO L82 PathProgramCache]: Analyzing trace with hash -423438716, now seen corresponding path program 1 times [2020-10-27 03:56:26,867 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:56:26,867 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [479195830] [2020-10-27 03:56:26,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:56:26,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:26,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:26,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:26,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:27,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:27,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-27 03:56:27,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 03:56:27,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 475 [2020-10-27 03:56:27,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:27,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:56:27,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 03:56:27,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 03:56:27,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:56:27,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:56:27,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:27,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:27,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:27,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:56:27,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:27,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 03:56:27,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:27,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:56:27,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:27,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:56:27,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:27,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:56:27,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:27,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:27,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:27,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:27,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:27,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 03:56:27,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 03:56:27,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-10-27 03:56:27,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:27,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:56:27,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:27,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 03:56:27,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:56:27,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:27,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:27,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:27,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:27,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:27,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 03:56:27,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:56:27,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-27 03:56:27,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:27,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:56:27,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:27,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 03:56:27,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:56:27,664 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-27 03:56:27,664 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [479195830] [2020-10-27 03:56:27,664 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:56:27,665 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 03:56:27,665 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879971685] [2020-10-27 03:56:27,665 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 03:56:27,666 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:56:27,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 03:56:27,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-27 03:56:27,667 INFO L87 Difference]: Start difference. First operand 27 states and 33 transitions. Second operand 7 states. [2020-10-27 03:56:27,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:56:27,975 INFO L93 Difference]: Finished difference Result 37 states and 45 transitions. [2020-10-27 03:56:27,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 03:56:27,979 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2020-10-27 03:56:27,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:56:27,980 INFO L225 Difference]: With dead ends: 37 [2020-10-27 03:56:27,980 INFO L226 Difference]: Without dead ends: 32 [2020-10-27 03:56:27,981 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-10-27 03:56:27,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-10-27 03:56:27,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 27. [2020-10-27 03:56:27,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-10-27 03:56:27,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 33 transitions. [2020-10-27 03:56:27,999 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 33 transitions. Word has length 24 [2020-10-27 03:56:28,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:56:28,001 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 33 transitions. [2020-10-27 03:56:28,001 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 03:56:28,001 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2020-10-27 03:56:28,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-27 03:56:28,004 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:56:28,004 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:56:28,005 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 03:56:28,005 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:56:28,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:56:28,006 INFO L82 PathProgramCache]: Analyzing trace with hash 130196988, now seen corresponding path program 2 times [2020-10-27 03:56:28,007 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:56:28,008 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1264304678] [2020-10-27 03:56:28,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:56:28,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:28,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:28,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:28,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-27 03:56:28,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:28,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 156 [2020-10-27 03:56:28,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:28,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 03:56:28,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 03:56:28,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 03:56:28,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:28,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:56:28,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:28,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:28,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:28,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:56:28,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:28,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:56:28,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:28,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:56:28,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:28,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:56:28,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:28,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:56:28,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:28,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:28,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:28,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 03:56:28,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:28,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-27 03:56:28,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:28,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 03:56:28,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:28,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 03:56:28,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:28,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:28,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:28,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:28,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:28,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:56:28,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:28,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 03:56:28,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:28,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:56:28,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:28,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 03:56:28,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:28,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:28,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:28,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:28,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:28,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:56:28,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:28,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 03:56:28,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:28,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:56:28,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:28,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:56:28,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:28,451 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-27 03:56:28,451 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1264304678] [2020-10-27 03:56:28,451 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:56:28,452 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-27 03:56:28,452 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238963687] [2020-10-27 03:56:28,452 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 03:56:28,453 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:56:28,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 03:56:28,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-27 03:56:28,454 INFO L87 Difference]: Start difference. First operand 27 states and 33 transitions. Second operand 9 states. [2020-10-27 03:56:28,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:56:28,845 INFO L93 Difference]: Finished difference Result 59 states and 85 transitions. [2020-10-27 03:56:28,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 03:56:28,845 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 29 [2020-10-27 03:56:28,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:56:28,848 INFO L225 Difference]: With dead ends: 59 [2020-10-27 03:56:28,848 INFO L226 Difference]: Without dead ends: 37 [2020-10-27 03:56:28,849 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2020-10-27 03:56:28,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-10-27 03:56:28,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2020-10-27 03:56:28,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-10-27 03:56:28,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 46 transitions. [2020-10-27 03:56:28,860 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 46 transitions. Word has length 29 [2020-10-27 03:56:28,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:56:28,861 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 46 transitions. [2020-10-27 03:56:28,861 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 03:56:28,861 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 46 transitions. [2020-10-27 03:56:28,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-27 03:56:28,863 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:56:28,863 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:56:28,863 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 03:56:28,863 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:56:28,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:56:28,864 INFO L82 PathProgramCache]: Analyzing trace with hash 939869469, now seen corresponding path program 3 times [2020-10-27 03:56:28,864 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:56:28,865 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2062665190] [2020-10-27 03:56:28,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:56:28,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:28,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:29,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:29,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-27 03:56:29,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:29,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 181 [2020-10-27 03:56:29,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:29,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 03:56:29,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 03:56:29,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-27 03:56:29,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:29,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:56:29,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:29,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:29,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:29,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:56:29,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:29,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:56:29,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:29,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:56:29,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:29,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:56:29,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:29,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:56:29,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:29,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:29,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:29,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-27 03:56:29,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:29,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-10-27 03:56:29,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:29,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 03:56:29,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:29,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-27 03:56:29,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:29,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:29,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:29,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:29,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:29,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 03:56:29,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:29,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-27 03:56:29,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:29,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 03:56:29,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:29,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 03:56:29,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:29,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:29,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:29,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:29,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:29,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:56:29,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:29,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-27 03:56:29,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:29,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:56:29,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:29,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 03:56:29,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:29,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:29,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:29,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:29,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:29,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:56:29,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:29,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 03:56:29,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:29,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:56:29,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:29,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:56:29,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:29,489 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-27 03:56:29,490 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2062665190] [2020-10-27 03:56:29,490 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:56:29,490 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-27 03:56:29,491 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718011683] [2020-10-27 03:56:29,491 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 03:56:29,492 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:56:29,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 03:56:29,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-27 03:56:29,493 INFO L87 Difference]: Start difference. First operand 37 states and 46 transitions. Second operand 9 states. [2020-10-27 03:56:29,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:56:29,832 INFO L93 Difference]: Finished difference Result 45 states and 54 transitions. [2020-10-27 03:56:29,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 03:56:29,832 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 36 [2020-10-27 03:56:29,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:56:29,834 INFO L225 Difference]: With dead ends: 45 [2020-10-27 03:56:29,834 INFO L226 Difference]: Without dead ends: 40 [2020-10-27 03:56:29,835 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-10-27 03:56:29,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-10-27 03:56:29,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2020-10-27 03:56:29,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-10-27 03:56:29,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 49 transitions. [2020-10-27 03:56:29,854 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 49 transitions. Word has length 36 [2020-10-27 03:56:29,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:56:29,854 INFO L481 AbstractCegarLoop]: Abstraction has 40 states and 49 transitions. [2020-10-27 03:56:29,854 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 03:56:29,854 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 49 transitions. [2020-10-27 03:56:29,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-10-27 03:56:29,859 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:56:29,859 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:56:29,860 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 03:56:29,860 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:56:29,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:56:29,861 INFO L82 PathProgramCache]: Analyzing trace with hash 1946201066, now seen corresponding path program 4 times [2020-10-27 03:56:29,861 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:56:29,862 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [716480105] [2020-10-27 03:56:29,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:56:29,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:29,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:30,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:30,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-27 03:56:30,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:30,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 256 [2020-10-27 03:56:30,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:30,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 03:56:30,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 03:56:30,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-27 03:56:30,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:30,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:56:30,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:30,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:30,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:30,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:56:30,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:30,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:56:30,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:30,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:56:30,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:30,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:56:30,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:30,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:56:30,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:30,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:30,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:30,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 03:56:30,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:30,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-27 03:56:30,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:30,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 03:56:30,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:30,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 03:56:30,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:30,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:30,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:30,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:30,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:30,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-27 03:56:30,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:30,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-27 03:56:30,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:30,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 03:56:30,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:30,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-27 03:56:30,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:30,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:30,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:30,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:30,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:30,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 03:56:30,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:30,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-27 03:56:30,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:30,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 03:56:30,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:30,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 03:56:30,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:30,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:30,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:30,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:30,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:30,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:56:30,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:30,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 03:56:30,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:30,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:56:30,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:30,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 03:56:30,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:30,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:30,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:30,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:30,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:30,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:56:30,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:30,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 03:56:30,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:30,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:56:30,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:30,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:56:30,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:30,621 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-27 03:56:30,622 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [716480105] [2020-10-27 03:56:30,622 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:56:30,622 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-27 03:56:30,622 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012010692] [2020-10-27 03:56:30,623 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 03:56:30,623 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:56:30,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 03:56:30,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-10-27 03:56:30,624 INFO L87 Difference]: Start difference. First operand 40 states and 49 transitions. Second operand 11 states. [2020-10-27 03:56:31,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:56:31,307 INFO L93 Difference]: Finished difference Result 48 states and 57 transitions. [2020-10-27 03:56:31,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 03:56:31,308 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 43 [2020-10-27 03:56:31,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:56:31,309 INFO L225 Difference]: With dead ends: 48 [2020-10-27 03:56:31,310 INFO L226 Difference]: Without dead ends: 43 [2020-10-27 03:56:31,310 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=113, Invalid=267, Unknown=0, NotChecked=0, Total=380 [2020-10-27 03:56:31,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-10-27 03:56:31,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-10-27 03:56:31,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-10-27 03:56:31,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 52 transitions. [2020-10-27 03:56:31,319 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 52 transitions. Word has length 43 [2020-10-27 03:56:31,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:56:31,320 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 52 transitions. [2020-10-27 03:56:31,320 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 03:56:31,320 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 52 transitions. [2020-10-27 03:56:31,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-10-27 03:56:31,321 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:56:31,321 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:56:31,321 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 03:56:31,322 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:56:31,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:56:31,322 INFO L82 PathProgramCache]: Analyzing trace with hash 1769247919, now seen corresponding path program 5 times [2020-10-27 03:56:31,323 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:56:31,323 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [355389862] [2020-10-27 03:56:31,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:56:31,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:31,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:31,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:31,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-27 03:56:31,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:31,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 260 [2020-10-27 03:56:31,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:31,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 03:56:31,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 03:56:31,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-27 03:56:31,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:31,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:56:31,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:31,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:31,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:31,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:56:31,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:31,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:56:31,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:31,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:56:31,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:31,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:56:31,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:31,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:56:31,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:31,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:31,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:31,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 03:56:31,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:31,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 148 [2020-10-27 03:56:31,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:31,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 03:56:31,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:31,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-27 03:56:31,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:31,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:31,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:31,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:32,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:32,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 03:56:32,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:32,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 149 [2020-10-27 03:56:32,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:32,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 03:56:32,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:32,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 03:56:32,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:56:32,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:32,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:32,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:32,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:32,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-27 03:56:32,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:32,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-27 03:56:32,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:32,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 03:56:32,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:32,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-27 03:56:32,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:32,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:32,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:32,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:32,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:32,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 03:56:32,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:32,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-27 03:56:32,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:32,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 03:56:32,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:32,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 03:56:32,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:32,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:32,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:32,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:32,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:32,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:56:32,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:32,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 03:56:32,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:32,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:56:32,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:32,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 03:56:32,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:32,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:32,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:32,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:32,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:32,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:56:32,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:32,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 03:56:32,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:32,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:56:32,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:32,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:56:32,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:32,346 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 9 proven. 52 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-10-27 03:56:32,347 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [355389862] [2020-10-27 03:56:32,347 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:56:32,347 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 03:56:32,348 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116083002] [2020-10-27 03:56:32,348 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 03:56:32,348 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:56:32,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 03:56:32,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-27 03:56:32,349 INFO L87 Difference]: Start difference. First operand 43 states and 52 transitions. Second operand 12 states. [2020-10-27 03:56:32,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:56:32,998 INFO L93 Difference]: Finished difference Result 51 states and 60 transitions. [2020-10-27 03:56:32,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 03:56:32,999 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 50 [2020-10-27 03:56:33,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:56:33,001 INFO L225 Difference]: With dead ends: 51 [2020-10-27 03:56:33,001 INFO L226 Difference]: Without dead ends: 46 [2020-10-27 03:56:33,004 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2020-10-27 03:56:33,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-10-27 03:56:33,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2020-10-27 03:56:33,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-10-27 03:56:33,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 55 transitions. [2020-10-27 03:56:33,021 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 55 transitions. Word has length 50 [2020-10-27 03:56:33,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:56:33,021 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 55 transitions. [2020-10-27 03:56:33,021 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 03:56:33,021 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 55 transitions. [2020-10-27 03:56:33,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-10-27 03:56:33,023 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:56:33,023 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:56:33,023 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 03:56:33,023 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:56:33,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:56:33,024 INFO L82 PathProgramCache]: Analyzing trace with hash -2139566376, now seen corresponding path program 6 times [2020-10-27 03:56:33,024 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:56:33,024 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [507479237] [2020-10-27 03:56:33,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:56:33,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:33,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:33,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:33,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-27 03:56:33,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:33,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 415 [2020-10-27 03:56:33,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:33,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-27 03:56:33,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 03:56:33,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-27 03:56:33,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:56:33,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:56:33,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:33,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:33,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:33,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:56:33,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:33,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 03:56:33,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:33,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:56:33,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:33,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:56:33,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:33,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:56:33,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:33,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:33,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:33,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-27 03:56:33,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:33,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 219 [2020-10-27 03:56:33,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:33,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-27 03:56:33,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:33,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 03:56:33,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:33,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:33,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:33,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:34,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:34,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 03:56:34,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:34,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 191 [2020-10-27 03:56:34,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:34,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 03:56:34,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:34,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-27 03:56:34,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:34,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:34,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:34,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:34,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:34,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 03:56:34,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:34,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-10-27 03:56:34,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:34,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 03:56:34,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:34,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 03:56:34,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:34,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:34,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:34,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:34,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:34,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-27 03:56:34,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:34,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-10-27 03:56:34,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:34,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 03:56:34,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:34,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-27 03:56:34,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:34,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:34,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:34,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:34,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:34,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 03:56:34,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:34,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-27 03:56:34,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:34,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 03:56:34,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:34,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 03:56:34,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:34,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:34,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:34,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:34,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:34,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:56:34,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:34,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 03:56:34,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:34,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:56:34,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:34,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 03:56:34,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:34,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:34,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:34,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:34,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:34,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:56:34,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:34,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 03:56:34,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:34,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:56:34,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:34,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:56:34,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:34,514 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 12 proven. 73 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-10-27 03:56:34,515 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [507479237] [2020-10-27 03:56:34,515 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:56:34,515 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 03:56:34,515 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237379613] [2020-10-27 03:56:34,517 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 03:56:34,517 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:56:34,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 03:56:34,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2020-10-27 03:56:34,519 INFO L87 Difference]: Start difference. First operand 46 states and 55 transitions. Second operand 13 states. [2020-10-27 03:56:35,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:56:35,206 INFO L93 Difference]: Finished difference Result 54 states and 63 transitions. [2020-10-27 03:56:35,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 03:56:35,206 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 57 [2020-10-27 03:56:35,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:56:35,209 INFO L225 Difference]: With dead ends: 54 [2020-10-27 03:56:35,210 INFO L226 Difference]: Without dead ends: 49 [2020-10-27 03:56:35,211 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2020-10-27 03:56:35,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-10-27 03:56:35,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-10-27 03:56:35,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-10-27 03:56:35,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 58 transitions. [2020-10-27 03:56:35,220 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 58 transitions. Word has length 57 [2020-10-27 03:56:35,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:56:35,220 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 58 transitions. [2020-10-27 03:56:35,220 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 03:56:35,220 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 58 transitions. [2020-10-27 03:56:35,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-27 03:56:35,224 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:56:35,225 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:56:35,225 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 03:56:35,225 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:56:35,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:56:35,225 INFO L82 PathProgramCache]: Analyzing trace with hash -2123614399, now seen corresponding path program 7 times [2020-10-27 03:56:35,226 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:56:35,226 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [271236414] [2020-10-27 03:56:35,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:56:35,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:35,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:35,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:35,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-27 03:56:35,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:35,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 393 [2020-10-27 03:56:35,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:35,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-27 03:56:35,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 03:56:35,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-27 03:56:35,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:35,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:56:35,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:35,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:35,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:35,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:56:35,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:35,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:56:35,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:35,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:56:35,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:35,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:56:35,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:35,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:56:35,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:35,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:35,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:35,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-27 03:56:35,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:35,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 242 [2020-10-27 03:56:35,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:35,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-27 03:56:35,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:35,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-27 03:56:35,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:35,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:35,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:35,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:36,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:36,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-27 03:56:36,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:36,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 248 [2020-10-27 03:56:36,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:36,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 03:56:36,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:36,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 03:56:36,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:36,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:36,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:36,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:36,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:36,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 03:56:36,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:36,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 169 [2020-10-27 03:56:36,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:36,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 03:56:36,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:36,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-27 03:56:36,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:36,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:36,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:36,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:36,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:36,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 03:56:36,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:36,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-27 03:56:36,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:36,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 03:56:36,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:36,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 03:56:36,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:36,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:36,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:36,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:36,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:36,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-27 03:56:36,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:36,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-27 03:56:36,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:36,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 03:56:36,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:36,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-27 03:56:36,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:36,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:36,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:36,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:36,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:36,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 03:56:36,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:36,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-27 03:56:36,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:36,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 03:56:36,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:36,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 03:56:36,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:36,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:36,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:36,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:36,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:36,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:56:36,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:36,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 03:56:36,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:36,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:56:36,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:36,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 03:56:36,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:36,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:36,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:36,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:36,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:36,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:56:36,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:36,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 03:56:36,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:36,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:56:36,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:36,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:56:36,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:36,926 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 22 proven. 95 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2020-10-27 03:56:36,926 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [271236414] [2020-10-27 03:56:36,926 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:56:36,927 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-27 03:56:36,928 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509675866] [2020-10-27 03:56:36,928 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 03:56:36,932 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:56:36,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 03:56:36,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-10-27 03:56:36,934 INFO L87 Difference]: Start difference. First operand 49 states and 58 transitions. Second operand 14 states. [2020-10-27 03:56:37,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:56:37,776 INFO L93 Difference]: Finished difference Result 77 states and 89 transitions. [2020-10-27 03:56:37,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 03:56:37,777 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 64 [2020-10-27 03:56:37,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:56:37,778 INFO L225 Difference]: With dead ends: 77 [2020-10-27 03:56:37,778 INFO L226 Difference]: Without dead ends: 72 [2020-10-27 03:56:37,780 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=200, Invalid=450, Unknown=0, NotChecked=0, Total=650 [2020-10-27 03:56:37,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-10-27 03:56:37,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 57. [2020-10-27 03:56:37,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-10-27 03:56:37,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 69 transitions. [2020-10-27 03:56:37,791 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 69 transitions. Word has length 64 [2020-10-27 03:56:37,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:56:37,792 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 69 transitions. [2020-10-27 03:56:37,792 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 03:56:37,792 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 69 transitions. [2020-10-27 03:56:37,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-10-27 03:56:37,793 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:56:37,793 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:56:37,794 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 03:56:37,794 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:56:37,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:56:37,794 INFO L82 PathProgramCache]: Analyzing trace with hash 1040446330, now seen corresponding path program 2 times [2020-10-27 03:56:37,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:56:37,795 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [655291521] [2020-10-27 03:56:37,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:56:37,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:37,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:37,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:37,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:37,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:37,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:38,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:38,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:38,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:41,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:42,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:42,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-27 03:56:42,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 03:56:42,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-27 03:56:42,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:42,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-27 03:56:42,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 03:56:42,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-27 03:56:42,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:42,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:56:42,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:42,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:42,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:42,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:56:42,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:42,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 03:56:42,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:42,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:56:42,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:42,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:56:42,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:42,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:56:42,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:42,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:42,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:42,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:42,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:43,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:43,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:43,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:43,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:45,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:47,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:47,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-27 03:56:47,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 03:56:47,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4550 [2020-10-27 03:56:47,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:47,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-27 03:56:47,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:47,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-27 03:56:47,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:47,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:47,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:47,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:47,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:47,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:47,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:47,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:47,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:47,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:48,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:49,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:49,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 03:56:49,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 03:56:49,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2138 [2020-10-27 03:56:49,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:49,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 03:56:49,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:49,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-27 03:56:49,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:49,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:49,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:49,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:49,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:49,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:49,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:49,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:49,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:50,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:50,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:50,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-27 03:56:50,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 03:56:50,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1268 [2020-10-27 03:56:50,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:50,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 03:56:50,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:50,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-27 03:56:50,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:50,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:50,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:50,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:50,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:50,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:50,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:50,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:51,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:51,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:51,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-27 03:56:51,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 03:56:51,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 751 [2020-10-27 03:56:51,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:51,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 03:56:51,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:51,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-27 03:56:51,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:51,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:51,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:51,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:51,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:51,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:51,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:51,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:52,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:52,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-27 03:56:52,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 03:56:52,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 354 [2020-10-27 03:56:52,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:52,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 03:56:52,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:52,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-27 03:56:52,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:52,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:52,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:52,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:52,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:52,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:52,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:52,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:52,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 03:56:52,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 03:56:52,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 150 [2020-10-27 03:56:52,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:52,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 03:56:52,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:52,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-27 03:56:52,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:52,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:52,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:52,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:52,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:52,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:52,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:52,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 03:56:52,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 03:56:52,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-27 03:56:52,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:52,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:56:52,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:52,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 03:56:52,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:52,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:52,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:52,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:52,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:52,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:52,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 03:56:52,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:56:52,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 03:56:52,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:52,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:56:52,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:52,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 03:56:52,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:52,429 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 12 proven. 99 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2020-10-27 03:56:52,430 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [655291521] [2020-10-27 03:56:52,430 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:56:52,430 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-27 03:56:52,431 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232191755] [2020-10-27 03:56:52,431 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 03:56:52,431 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:56:52,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 03:56:52,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-10-27 03:56:52,433 INFO L87 Difference]: Start difference. First operand 57 states and 69 transitions. Second operand 14 states. [2020-10-27 03:56:53,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:56:53,151 INFO L93 Difference]: Finished difference Result 80 states and 92 transitions. [2020-10-27 03:56:53,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 03:56:53,154 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 66 [2020-10-27 03:56:53,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:56:53,155 INFO L225 Difference]: With dead ends: 80 [2020-10-27 03:56:53,155 INFO L226 Difference]: Without dead ends: 75 [2020-10-27 03:56:53,156 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=200, Invalid=450, Unknown=0, NotChecked=0, Total=650 [2020-10-27 03:56:53,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-10-27 03:56:53,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 52. [2020-10-27 03:56:53,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-10-27 03:56:53,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 61 transitions. [2020-10-27 03:56:53,167 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 61 transitions. Word has length 66 [2020-10-27 03:56:53,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:56:53,167 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 61 transitions. [2020-10-27 03:56:53,167 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 03:56:53,168 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 61 transitions. [2020-10-27 03:56:53,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-10-27 03:56:53,168 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:56:53,169 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:56:53,169 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 03:56:53,169 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:56:53,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:56:53,169 INFO L82 PathProgramCache]: Analyzing trace with hash 154021574, now seen corresponding path program 8 times [2020-10-27 03:56:53,170 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:56:53,170 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1586130458] [2020-10-27 03:56:53,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:56:53,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:53,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:53,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:53,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-27 03:56:53,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:53,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 351 [2020-10-27 03:56:53,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:53,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-27 03:56:53,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 03:56:53,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-27 03:56:53,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:53,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:56:53,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:53,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:53,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:53,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:56:53,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:53,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:56:53,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:53,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:56:53,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:53,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:56:53,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:53,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:56:53,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:53,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:53,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:53,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 03:56:53,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:53,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 213 [2020-10-27 03:56:53,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:53,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-27 03:56:53,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:53,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-27 03:56:53,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:53,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:53,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:53,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:54,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:54,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-27 03:56:54,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:54,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 189 [2020-10-27 03:56:54,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:54,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 03:56:54,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:54,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-27 03:56:54,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:54,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:54,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:54,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:54,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:54,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-27 03:56:54,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:54,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 151 [2020-10-27 03:56:54,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:54,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 03:56:54,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:54,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 03:56:54,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-27 03:56:54,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:54,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:54,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:54,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:54,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 03:56:54,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:54,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-10-27 03:56:54,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:54,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 03:56:54,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:54,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-27 03:56:54,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:54,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:54,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:54,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:54,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:54,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 03:56:54,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:54,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-27 03:56:54,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:54,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 03:56:54,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:54,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 03:56:54,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:54,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:54,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:54,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:54,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:54,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-27 03:56:54,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:54,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-27 03:56:54,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:54,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 03:56:54,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:54,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-27 03:56:54,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:54,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:54,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:54,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:54,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:54,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 03:56:54,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:54,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 03:56:54,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:54,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 03:56:54,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:54,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 03:56:54,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:54,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:54,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:54,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:54,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:54,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:56:54,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:54,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 03:56:54,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:54,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:56:54,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:54,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 03:56:54,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:54,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:54,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:54,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:54,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:54,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:56:54,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:54,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 03:56:54,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:54,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:56:54,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:54,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:56:54,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:56:54,789 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 15 proven. 135 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-10-27 03:56:54,789 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1586130458] [2020-10-27 03:56:54,789 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:56:54,789 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-27 03:56:54,790 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628753788] [2020-10-27 03:56:54,791 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-27 03:56:54,791 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:56:54,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-27 03:56:54,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-10-27 03:56:54,793 INFO L87 Difference]: Start difference. First operand 52 states and 61 transitions. Second operand 15 states. [2020-10-27 03:56:55,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:56:55,530 INFO L93 Difference]: Finished difference Result 60 states and 69 transitions. [2020-10-27 03:56:55,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-27 03:56:55,531 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 71 [2020-10-27 03:56:55,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:56:55,533 INFO L225 Difference]: With dead ends: 60 [2020-10-27 03:56:55,533 INFO L226 Difference]: Without dead ends: 55 [2020-10-27 03:56:55,534 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=235, Invalid=521, Unknown=0, NotChecked=0, Total=756 [2020-10-27 03:56:55,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-10-27 03:56:55,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-10-27 03:56:55,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-10-27 03:56:55,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 64 transitions. [2020-10-27 03:56:55,547 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 64 transitions. Word has length 71 [2020-10-27 03:56:55,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:56:55,548 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 64 transitions. [2020-10-27 03:56:55,548 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-27 03:56:55,548 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 64 transitions. [2020-10-27 03:56:55,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-10-27 03:56:55,549 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:56:55,549 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:56:55,549 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-27 03:56:55,549 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:56:55,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:56:55,550 INFO L82 PathProgramCache]: Analyzing trace with hash 1310264531, now seen corresponding path program 9 times [2020-10-27 03:56:55,550 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:56:55,550 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1888960554] [2020-10-27 03:56:55,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:56:55,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:55,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:55,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:55,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-10-27 03:56:55,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:55,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 399 [2020-10-27 03:56:55,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:55,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-27 03:56:55,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 03:56:55,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-27 03:56:55,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:56,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:56:56,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:56,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:56,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:56,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:56:56,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:56,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:56:56,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:56,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:56:56,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:56,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:56:56,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 03:56:56,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:56:56,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:56,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:56,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:56,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-27 03:56:56,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:56,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 222 [2020-10-27 03:56:56,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:56,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-27 03:56:56,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:56,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-27 03:56:56,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:56,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:56,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:56,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:56,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:56,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 03:56:56,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:56,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 172 [2020-10-27 03:56:56,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:56,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 03:56:56,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:56,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-27 03:56:56,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:56,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:56,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:56,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:56,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:56,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-27 03:56:56,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:56,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 148 [2020-10-27 03:56:56,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:56,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 03:56:56,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:56,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-27 03:56:56,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:56,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:56,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:56,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:56,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:56,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-27 03:56:56,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:56,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-10-27 03:56:56,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:56,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 03:56:56,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:56,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 03:56:56,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:56,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:56,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:56,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:56,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:56,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 03:56:56,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:56,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-27 03:56:56,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:56,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 03:56:56,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:56,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-27 03:56:56,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:56,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:56,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:56,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:56,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:56,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 03:56:56,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:56,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-27 03:56:56,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:56,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 03:56:56,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:56,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 03:56:56,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:57,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:57,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:57,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:57,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:57,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-27 03:56:57,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:57,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-27 03:56:57,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:57,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 03:56:57,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:57,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-27 03:56:57,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:57,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:57,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:57,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:57,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:57,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 03:56:57,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:57,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 03:56:57,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:57,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 03:56:57,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:57,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 03:56:57,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:57,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:57,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:57,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:57,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:57,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:56:57,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:57,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 03:56:57,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:57,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:56:57,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:57,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 03:56:57,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:57,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:57,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:57,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:57,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:57,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:56:57,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:57,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:56:57,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:57,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:56:57,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:57,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:56:57,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:57,242 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 21 proven. 170 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2020-10-27 03:56:57,242 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1888960554] [2020-10-27 03:56:57,243 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:56:57,243 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-27 03:56:57,243 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489094166] [2020-10-27 03:56:57,244 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-27 03:56:57,244 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:56:57,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-27 03:56:57,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-10-27 03:56:57,245 INFO L87 Difference]: Start difference. First operand 55 states and 64 transitions. Second operand 16 states. [2020-10-27 03:56:58,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:56:58,068 INFO L93 Difference]: Finished difference Result 63 states and 72 transitions. [2020-10-27 03:56:58,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-27 03:56:58,068 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 78 [2020-10-27 03:56:58,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:56:58,069 INFO L225 Difference]: With dead ends: 63 [2020-10-27 03:56:58,070 INFO L226 Difference]: Without dead ends: 58 [2020-10-27 03:56:58,071 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=273, Invalid=597, Unknown=0, NotChecked=0, Total=870 [2020-10-27 03:56:58,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2020-10-27 03:56:58,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2020-10-27 03:56:58,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2020-10-27 03:56:58,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 67 transitions. [2020-10-27 03:56:58,082 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 67 transitions. Word has length 78 [2020-10-27 03:56:58,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:56:58,083 INFO L481 AbstractCegarLoop]: Abstraction has 58 states and 67 transitions. [2020-10-27 03:56:58,083 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-27 03:56:58,083 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 67 transitions. [2020-10-27 03:56:58,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-10-27 03:56:58,084 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:56:58,084 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:56:58,084 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-27 03:56:58,084 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:56:58,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:56:58,085 INFO L82 PathProgramCache]: Analyzing trace with hash -1958483020, now seen corresponding path program 10 times [2020-10-27 03:56:58,085 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:56:58,085 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [392960936] [2020-10-27 03:56:58,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:56:58,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:58,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:58,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:58,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-27 03:56:58,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:58,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 379 [2020-10-27 03:56:58,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:58,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-27 03:56:58,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 03:56:58,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-27 03:56:58,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:58,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:56:58,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:58,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:58,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:58,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:56:58,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:58,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:56:58,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:58,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:56:58,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:58,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:56:58,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:58,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:56:58,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:58,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:58,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:58,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-27 03:56:58,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:58,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 276 [2020-10-27 03:56:58,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:58,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-27 03:56:58,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:58,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-27 03:56:58,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:58,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:58,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:58,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:59,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:59,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-27 03:56:59,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:59,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 233 [2020-10-27 03:56:59,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:59,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-27 03:56:59,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:59,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-27 03:56:59,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:59,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:59,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:59,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:59,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:59,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 03:56:59,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:59,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 227 [2020-10-27 03:56:59,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:59,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 03:56:59,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:59,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-27 03:56:59,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:59,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:59,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:59,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:59,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:59,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-27 03:56:59,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:59,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-27 03:56:59,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:59,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 03:56:59,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:59,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-27 03:56:59,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:59,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:59,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:59,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:59,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:59,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-27 03:56:59,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:59,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-10-27 03:56:59,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:59,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 03:56:59,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:59,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 03:56:59,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:59,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:59,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:59,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:59,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:59,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 03:56:59,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:59,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-27 03:56:59,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:59,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 03:56:59,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:59,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-27 03:56:59,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:59,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:59,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:59,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:59,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:59,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 03:56:59,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:59,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-27 03:56:59,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:59,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 03:56:59,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:59,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 03:56:59,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:59,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:59,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:59,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:59,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:59,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-27 03:56:59,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:59,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-27 03:56:59,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:59,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 03:56:59,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:59,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-27 03:56:59,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:59,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:59,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:59,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:59,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:59,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 03:56:59,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:59,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 03:56:59,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:59,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 03:56:59,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:59,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 03:56:59,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:59,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:59,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:59,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:59,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:59,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:56:59,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:59,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 03:56:59,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:59,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:56:59,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:59,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 03:56:59,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:56:59,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:56:59,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:56:59,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:56:59,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:56:59,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:56:59,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:56:59,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:56:59,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:56:59,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:56:59,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:56:59,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:56:59,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:00,046 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 26 proven. 185 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2020-10-27 03:57:00,046 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [392960936] [2020-10-27 03:57:00,046 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:57:00,046 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-27 03:57:00,047 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940272445] [2020-10-27 03:57:00,047 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-27 03:57:00,047 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:57:00,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-27 03:57:00,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2020-10-27 03:57:00,048 INFO L87 Difference]: Start difference. First operand 58 states and 67 transitions. Second operand 17 states. [2020-10-27 03:57:00,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:57:00,958 INFO L93 Difference]: Finished difference Result 95 states and 107 transitions. [2020-10-27 03:57:00,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-27 03:57:00,959 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 85 [2020-10-27 03:57:00,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:57:00,961 INFO L225 Difference]: With dead ends: 95 [2020-10-27 03:57:00,961 INFO L226 Difference]: Without dead ends: 90 [2020-10-27 03:57:00,962 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=314, Invalid=678, Unknown=0, NotChecked=0, Total=992 [2020-10-27 03:57:00,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2020-10-27 03:57:00,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 66. [2020-10-27 03:57:00,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-10-27 03:57:00,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 78 transitions. [2020-10-27 03:57:00,972 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 78 transitions. Word has length 85 [2020-10-27 03:57:00,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:57:00,972 INFO L481 AbstractCegarLoop]: Abstraction has 66 states and 78 transitions. [2020-10-27 03:57:00,972 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-27 03:57:00,973 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 78 transitions. [2020-10-27 03:57:00,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-10-27 03:57:00,974 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:57:00,974 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:57:00,974 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-27 03:57:00,974 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:57:00,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:57:00,975 INFO L82 PathProgramCache]: Analyzing trace with hash -938452389, now seen corresponding path program 3 times [2020-10-27 03:57:00,975 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:57:00,975 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [24947179] [2020-10-27 03:57:00,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:57:00,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:00,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:01,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:01,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:01,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:01,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:01,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:01,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:01,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:01,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:01,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:01,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:05,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:05,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-27 03:57:05,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-27 03:57:05,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-27 03:57:05,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:05,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-10-27 03:57:05,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 03:57:05,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 03:57:06,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:06,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:57:06,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:06,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:06,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:06,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:57:06,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:06,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:57:06,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:06,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:57:06,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:06,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:57:06,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:06,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:57:06,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:06,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:06,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:06,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:06,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:06,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:06,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:06,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:06,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:06,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:06,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:06,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:10,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:10,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-10-27 03:57:10,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-27 03:57:10,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4406 [2020-10-27 03:57:10,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:10,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-10-27 03:57:10,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 03:57:10,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 03:57:10,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:10,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:10,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:10,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:10,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:10,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:10,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:10,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:10,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:10,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:10,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:10,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:10,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:12,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:12,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:12,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-27 03:57:12,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-27 03:57:12,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2478 [2020-10-27 03:57:12,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:12,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-10-27 03:57:12,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 03:57:12,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-27 03:57:12,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:13,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:13,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:13,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:13,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:13,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:13,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:13,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:13,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:13,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:13,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:13,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:14,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:14,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:14,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-27 03:57:14,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 03:57:14,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1703 [2020-10-27 03:57:14,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:14,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-27 03:57:14,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:14,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-27 03:57:14,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:14,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:14,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:14,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:14,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:14,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:14,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:14,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:14,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:14,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:14,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:15,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:16,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:16,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-27 03:57:16,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 03:57:16,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1340 [2020-10-27 03:57:16,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:16,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-27 03:57:16,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:16,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-27 03:57:16,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:16,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:16,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:16,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:16,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:16,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:16,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:16,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:16,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:16,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:16,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:16,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:16,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 03:57:16,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 03:57:16,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 647 [2020-10-27 03:57:16,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:16,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-27 03:57:16,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:16,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-27 03:57:16,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:16,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:16,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:16,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:16,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:16,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:16,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:16,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:16,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:17,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:17,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:17,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-27 03:57:17,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 03:57:17,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 458 [2020-10-27 03:57:17,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:17,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 03:57:17,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:17,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-27 03:57:17,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:17,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:17,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:17,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:17,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:17,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:17,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:17,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:17,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:17,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:17,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-27 03:57:17,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 03:57:17,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 247 [2020-10-27 03:57:17,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:17,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-27 03:57:17,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:17,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-27 03:57:17,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:17,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:17,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:17,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:17,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:17,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:17,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:17,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:17,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:17,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-27 03:57:17,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 03:57:17,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 123 [2020-10-27 03:57:17,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:17,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 03:57:17,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:17,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-27 03:57:17,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:17,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:17,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:17,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:17,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:17,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:17,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:17,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:17,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 03:57:17,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 03:57:17,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-27 03:57:17,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:17,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 03:57:17,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:17,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-27 03:57:17,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:17,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:17,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:17,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:17,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:17,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:17,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:17,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 03:57:17,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 03:57:17,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-27 03:57:17,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:17,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 03:57:17,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:17,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 03:57:17,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:17,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:17,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:17,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:17,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:17,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:17,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 03:57:17,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:57:17,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 03:57:17,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:17,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:57:17,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:17,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 03:57:17,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:17,941 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 85 proven. 19 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2020-10-27 03:57:17,941 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [24947179] [2020-10-27 03:57:17,941 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:57:17,942 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-27 03:57:17,942 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707209497] [2020-10-27 03:57:17,942 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 03:57:17,942 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:57:17,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 03:57:17,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-27 03:57:17,943 INFO L87 Difference]: Start difference. First operand 66 states and 78 transitions. Second operand 9 states. [2020-10-27 03:57:18,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:57:18,265 INFO L93 Difference]: Finished difference Result 101 states and 115 transitions. [2020-10-27 03:57:18,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 03:57:18,265 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 87 [2020-10-27 03:57:18,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:57:18,266 INFO L225 Difference]: With dead ends: 101 [2020-10-27 03:57:18,266 INFO L226 Difference]: Without dead ends: 51 [2020-10-27 03:57:18,267 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 33 SyntacticMatches, 9 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2020-10-27 03:57:18,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-10-27 03:57:18,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2020-10-27 03:57:18,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-10-27 03:57:18,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 52 transitions. [2020-10-27 03:57:18,279 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 52 transitions. Word has length 87 [2020-10-27 03:57:18,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:57:18,279 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 52 transitions. [2020-10-27 03:57:18,279 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 03:57:18,279 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 52 transitions. [2020-10-27 03:57:18,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-10-27 03:57:18,282 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:57:18,282 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:57:18,282 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-27 03:57:18,282 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:57:18,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:57:18,283 INFO L82 PathProgramCache]: Analyzing trace with hash 830993765, now seen corresponding path program 11 times [2020-10-27 03:57:18,283 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:57:18,283 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1967958501] [2020-10-27 03:57:18,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:57:18,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:18,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:18,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:18,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-27 03:57:18,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:18,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 350 [2020-10-27 03:57:18,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:18,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-27 03:57:18,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 03:57:18,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-27 03:57:18,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:18,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:57:18,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:18,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:18,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:18,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:57:18,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:18,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:57:18,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:18,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:57:18,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:18,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:57:18,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:18,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:57:18,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:18,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:19,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:19,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-27 03:57:19,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:19,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 510 [2020-10-27 03:57:19,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:19,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-27 03:57:19,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:19,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-27 03:57:19,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:19,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:19,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:19,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:19,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:19,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-27 03:57:19,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:19,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 365 [2020-10-27 03:57:19,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:19,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-27 03:57:19,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:19,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-27 03:57:19,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:19,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:19,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:19,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:19,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:19,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-27 03:57:19,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:19,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 208 [2020-10-27 03:57:19,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:19,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-27 03:57:19,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:19,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-27 03:57:19,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:19,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:19,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:19,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:20,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:20,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 03:57:20,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:20,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 154 [2020-10-27 03:57:20,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:20,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 03:57:20,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:20,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-27 03:57:20,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:20,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:20,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:20,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:20,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:20,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-27 03:57:20,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:20,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 195 [2020-10-27 03:57:20,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:20,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 03:57:20,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:20,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-27 03:57:20,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:20,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:20,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:20,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:20,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:20,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-27 03:57:20,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:20,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 195 [2020-10-27 03:57:20,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:20,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 03:57:20,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:20,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 03:57:20,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:57:20,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:20,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:20,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:20,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:20,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 03:57:20,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:20,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-10-27 03:57:20,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:20,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 03:57:20,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:20,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-27 03:57:20,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:20,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:20,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:20,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:20,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:20,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 03:57:20,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:20,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-27 03:57:20,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:20,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 03:57:20,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:20,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 03:57:20,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:57:20,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:20,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:20,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:21,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:21,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-27 03:57:21,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:21,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-27 03:57:21,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:21,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 03:57:21,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:21,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-27 03:57:21,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:21,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:21,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:21,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:21,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:21,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 03:57:21,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:21,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 03:57:21,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:21,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 03:57:21,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:21,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 03:57:21,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:21,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:21,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:21,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:21,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:21,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:57:21,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:21,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 03:57:21,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:21,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:57:21,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:21,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 03:57:21,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:21,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:21,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:21,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:21,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:21,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:57:21,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:21,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:57:21,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:21,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:57:21,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:21,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:57:21,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:21,215 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 39 proven. 236 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2020-10-27 03:57:21,217 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1967958501] [2020-10-27 03:57:21,217 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:57:21,217 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-27 03:57:21,217 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613263208] [2020-10-27 03:57:21,218 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-27 03:57:21,218 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:57:21,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-27 03:57:21,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=206, Unknown=0, NotChecked=0, Total=306 [2020-10-27 03:57:21,219 INFO L87 Difference]: Start difference. First operand 51 states and 52 transitions. Second operand 18 states. [2020-10-27 03:57:21,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:57:21,991 INFO L93 Difference]: Finished difference Result 59 states and 60 transitions. [2020-10-27 03:57:21,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-27 03:57:21,991 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 92 [2020-10-27 03:57:21,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:57:21,993 INFO L225 Difference]: With dead ends: 59 [2020-10-27 03:57:21,993 INFO L226 Difference]: Without dead ends: 54 [2020-10-27 03:57:21,994 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=325, Invalid=667, Unknown=0, NotChecked=0, Total=992 [2020-10-27 03:57:21,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2020-10-27 03:57:21,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2020-10-27 03:57:22,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-10-27 03:57:22,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 55 transitions. [2020-10-27 03:57:22,000 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 55 transitions. Word has length 92 [2020-10-27 03:57:22,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:57:22,001 INFO L481 AbstractCegarLoop]: Abstraction has 54 states and 55 transitions. [2020-10-27 03:57:22,001 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-27 03:57:22,001 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 55 transitions. [2020-10-27 03:57:22,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-10-27 03:57:22,002 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:57:22,002 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:57:22,002 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-27 03:57:22,002 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:57:22,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:57:22,003 INFO L82 PathProgramCache]: Analyzing trace with hash 2063410594, now seen corresponding path program 12 times [2020-10-27 03:57:22,003 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:57:22,003 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [241369604] [2020-10-27 03:57:22,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:57:22,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:22,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:22,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:22,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 03:57:22,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:22,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 494 [2020-10-27 03:57:22,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:22,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-10-27 03:57:22,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 03:57:22,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-10-27 03:57:22,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:22,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:57:22,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:22,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:22,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:22,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:57:22,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:22,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:57:22,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:22,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:57:22,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:22,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:57:22,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:22,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:57:22,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:22,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:22,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:22,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-27 03:57:22,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:22,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 298 [2020-10-27 03:57:22,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:22,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-10-27 03:57:22,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:22,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-27 03:57:22,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:22,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:22,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:22,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:23,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:23,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-27 03:57:23,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:23,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 264 [2020-10-27 03:57:23,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:23,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-27 03:57:23,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:23,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-27 03:57:23,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:23,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:23,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:23,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:23,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:23,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-27 03:57:23,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:23,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 349 [2020-10-27 03:57:23,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:23,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-27 03:57:23,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:23,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-27 03:57:23,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:23,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:23,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:23,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:23,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:23,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-27 03:57:23,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:23,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 244 [2020-10-27 03:57:23,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:23,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-27 03:57:23,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:23,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-27 03:57:23,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:23,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:23,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:23,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:24,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:24,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 03:57:24,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:24,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 141 [2020-10-27 03:57:24,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:24,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 03:57:24,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:24,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-27 03:57:24,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:24,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:24,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:24,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:24,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:24,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-27 03:57:24,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:24,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-10-27 03:57:24,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:24,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 03:57:24,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:24,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-27 03:57:24,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:24,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:24,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:24,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:24,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:24,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-27 03:57:24,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:24,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-27 03:57:24,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:24,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 03:57:24,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:24,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 03:57:24,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:24,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:24,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:24,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:24,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:24,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 03:57:24,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:24,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-27 03:57:24,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:24,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 03:57:24,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:24,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-27 03:57:24,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:24,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:24,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:24,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:24,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:24,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 03:57:24,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:24,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-27 03:57:24,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:24,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 03:57:24,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:24,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 03:57:24,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:24,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:24,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:24,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:24,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:24,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-27 03:57:24,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:24,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-27 03:57:24,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:24,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 03:57:24,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:24,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-27 03:57:24,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:24,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:24,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:24,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:24,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:24,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 03:57:24,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:24,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-27 03:57:24,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:24,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 03:57:24,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:24,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 03:57:24,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:24,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:24,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:24,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:24,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:24,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:57:24,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:24,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 03:57:24,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:24,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:57:24,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:24,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 03:57:24,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:24,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:24,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:24,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:24,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:24,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:57:24,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:24,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:57:24,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:24,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:57:24,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:24,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:57:24,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:24,857 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 75 proven. 257 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2020-10-27 03:57:24,857 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [241369604] [2020-10-27 03:57:24,858 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:57:24,858 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-27 03:57:24,858 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277984104] [2020-10-27 03:57:24,859 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-27 03:57:24,859 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:57:24,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-27 03:57:24,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2020-10-27 03:57:24,860 INFO L87 Difference]: Start difference. First operand 54 states and 55 transitions. Second operand 19 states. [2020-10-27 03:57:25,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:57:25,683 INFO L93 Difference]: Finished difference Result 62 states and 63 transitions. [2020-10-27 03:57:25,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-27 03:57:25,683 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 99 [2020-10-27 03:57:25,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:57:25,684 INFO L225 Difference]: With dead ends: 62 [2020-10-27 03:57:25,684 INFO L226 Difference]: Without dead ends: 57 [2020-10-27 03:57:25,685 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 195 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=370, Invalid=752, Unknown=0, NotChecked=0, Total=1122 [2020-10-27 03:57:25,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-10-27 03:57:25,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2020-10-27 03:57:25,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-10-27 03:57:25,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 58 transitions. [2020-10-27 03:57:25,691 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 58 transitions. Word has length 99 [2020-10-27 03:57:25,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:57:25,692 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 58 transitions. [2020-10-27 03:57:25,692 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-27 03:57:25,692 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 58 transitions. [2020-10-27 03:57:25,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-10-27 03:57:25,693 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:57:25,693 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:57:25,693 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-27 03:57:25,693 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:57:25,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:57:25,694 INFO L82 PathProgramCache]: Analyzing trace with hash 1269158135, now seen corresponding path program 13 times [2020-10-27 03:57:25,694 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:57:25,694 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1566846936] [2020-10-27 03:57:25,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:57:25,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:25,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:26,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:26,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-27 03:57:26,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:26,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 457 [2020-10-27 03:57:26,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:26,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-27 03:57:26,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 03:57:26,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-27 03:57:26,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:26,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:57:26,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:26,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:26,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:26,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:57:26,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:26,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:57:26,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:26,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:57:26,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:26,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:57:26,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:26,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:57:26,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:26,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:26,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:26,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-27 03:57:26,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:26,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 314 [2020-10-27 03:57:26,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:26,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-27 03:57:26,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:26,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-27 03:57:26,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:26,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:26,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:26,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:26,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:26,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-27 03:57:26,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:26,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 305 [2020-10-27 03:57:26,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:26,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-27 03:57:26,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:26,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-27 03:57:26,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:26,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:26,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:26,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:27,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:27,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-27 03:57:27,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:27,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 241 [2020-10-27 03:57:27,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:27,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-27 03:57:27,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:27,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-27 03:57:27,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:27,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:27,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:27,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:27,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:27,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-27 03:57:27,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:27,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 252 [2020-10-27 03:57:27,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:27,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-27 03:57:27,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:27,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-27 03:57:27,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:27,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:27,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:27,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:27,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:27,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-27 03:57:27,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:27,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 186 [2020-10-27 03:57:27,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:27,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-27 03:57:27,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:27,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-27 03:57:27,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:27,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:27,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:27,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:27,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:27,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 03:57:27,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:27,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 148 [2020-10-27 03:57:27,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:27,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 03:57:27,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:27,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-27 03:57:27,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:27,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:27,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:27,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:27,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:27,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-27 03:57:27,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:27,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-27 03:57:27,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:27,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 03:57:27,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:27,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-27 03:57:27,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:28,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:28,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:28,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:28,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:28,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-27 03:57:28,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:28,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-27 03:57:28,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:28,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 03:57:28,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:28,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 03:57:28,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:28,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:28,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:28,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:28,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:28,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 03:57:28,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:28,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-27 03:57:28,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:28,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 03:57:28,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:28,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-27 03:57:28,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:28,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:28,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:28,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:28,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:28,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 03:57:28,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:28,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-27 03:57:28,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:28,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 03:57:28,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:28,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 03:57:28,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:28,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:28,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:28,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:28,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:28,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-27 03:57:28,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:28,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 03:57:28,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:28,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 03:57:28,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:28,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-27 03:57:28,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:28,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:28,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:28,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:28,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:28,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 03:57:28,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:28,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 03:57:28,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:28,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 03:57:28,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:28,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 03:57:28,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:28,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:28,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:28,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:28,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:28,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:57:28,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:28,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 03:57:28,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:28,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:57:28,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:28,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 03:57:28,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:28,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:28,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:28,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:28,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:28,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:57:28,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:28,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:57:28,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:28,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:57:28,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:28,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:57:28,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:28,530 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 84 proven. 288 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2020-10-27 03:57:28,530 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1566846936] [2020-10-27 03:57:28,530 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:57:28,531 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-27 03:57:28,531 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615650201] [2020-10-27 03:57:28,531 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-27 03:57:28,531 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:57:28,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-27 03:57:28,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=251, Unknown=0, NotChecked=0, Total=380 [2020-10-27 03:57:28,532 INFO L87 Difference]: Start difference. First operand 57 states and 58 transitions. Second operand 20 states. [2020-10-27 03:57:29,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:57:29,429 INFO L93 Difference]: Finished difference Result 65 states and 66 transitions. [2020-10-27 03:57:29,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-27 03:57:29,429 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 106 [2020-10-27 03:57:29,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:57:29,430 INFO L225 Difference]: With dead ends: 65 [2020-10-27 03:57:29,430 INFO L226 Difference]: Without dead ends: 60 [2020-10-27 03:57:29,431 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 224 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=418, Invalid=842, Unknown=0, NotChecked=0, Total=1260 [2020-10-27 03:57:29,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-10-27 03:57:29,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2020-10-27 03:57:29,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-10-27 03:57:29,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 61 transitions. [2020-10-27 03:57:29,437 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 61 transitions. Word has length 106 [2020-10-27 03:57:29,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:57:29,437 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 61 transitions. [2020-10-27 03:57:29,438 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-27 03:57:29,438 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 61 transitions. [2020-10-27 03:57:29,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-10-27 03:57:29,439 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:57:29,439 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:57:29,439 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-27 03:57:29,439 INFO L429 AbstractCegarLoop]: === Iteration 18 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:57:29,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:57:29,440 INFO L82 PathProgramCache]: Analyzing trace with hash -1715667824, now seen corresponding path program 14 times [2020-10-27 03:57:29,440 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:57:29,440 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1044814932] [2020-10-27 03:57:29,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:57:29,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:29,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:29,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:29,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-27 03:57:29,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:29,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 483 [2020-10-27 03:57:29,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:29,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-10-27 03:57:29,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 03:57:29,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-27 03:57:29,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:29,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:57:29,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:29,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:29,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:29,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:57:29,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:29,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:57:29,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:29,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:57:29,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:29,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:57:29,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:29,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:57:29,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:30,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:30,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:30,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-27 03:57:30,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:30,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 408 [2020-10-27 03:57:30,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:30,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-10-27 03:57:30,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:30,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-27 03:57:30,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:30,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:30,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:30,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:30,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:30,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-27 03:57:30,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:30,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 373 [2020-10-27 03:57:30,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:30,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-27 03:57:30,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:30,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-27 03:57:30,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:30,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:30,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:30,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:31,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:31,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-27 03:57:31,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:31,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 296 [2020-10-27 03:57:31,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:31,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-27 03:57:31,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:31,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-27 03:57:31,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:31,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:31,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:31,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:31,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:31,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-27 03:57:31,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:31,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 341 [2020-10-27 03:57:31,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:31,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-27 03:57:31,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:31,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-27 03:57:31,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:31,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:31,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:31,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:31,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:31,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-27 03:57:31,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:31,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 398 [2020-10-27 03:57:31,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:31,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-27 03:57:31,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:31,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-27 03:57:31,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:32,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:32,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:32,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:32,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:32,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-27 03:57:32,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:32,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 198 [2020-10-27 03:57:32,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:32,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-27 03:57:32,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:32,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-27 03:57:32,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:32,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:32,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:32,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:32,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:32,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 03:57:32,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:32,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 123 [2020-10-27 03:57:32,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:32,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 03:57:32,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:32,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-27 03:57:32,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:32,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:32,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:32,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:32,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:32,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-27 03:57:32,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:32,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-27 03:57:32,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:32,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 03:57:32,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:32,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-27 03:57:32,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:32,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:32,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:32,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:32,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:32,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-27 03:57:32,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:32,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 142 [2020-10-27 03:57:32,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:32,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 03:57:32,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:32,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 03:57:32,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:32,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:32,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:32,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:32,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:32,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 03:57:32,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:32,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-27 03:57:32,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:32,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 03:57:32,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:32,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-27 03:57:32,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:32,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:32,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:32,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:32,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:32,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 03:57:32,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:32,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-27 03:57:32,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:32,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 03:57:32,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:32,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 03:57:32,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:32,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:32,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:32,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:33,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:33,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-27 03:57:33,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:33,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-27 03:57:33,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:33,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 03:57:33,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:33,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-27 03:57:33,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:33,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:33,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:33,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:33,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:33,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 03:57:33,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:33,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 03:57:33,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:33,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 03:57:33,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:33,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 03:57:33,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:33,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:33,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:33,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:33,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:33,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:57:33,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:33,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 03:57:33,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:33,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:57:33,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:33,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 03:57:33,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:33,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:33,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:33,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:33,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:33,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:57:33,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:33,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 03:57:33,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:33,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:57:33,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:33,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:57:33,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:33,275 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 63 proven. 406 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2020-10-27 03:57:33,275 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1044814932] [2020-10-27 03:57:33,275 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:57:33,275 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-27 03:57:33,275 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345285868] [2020-10-27 03:57:33,276 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-27 03:57:33,276 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:57:33,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-27 03:57:33,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=311, Unknown=0, NotChecked=0, Total=462 [2020-10-27 03:57:33,277 INFO L87 Difference]: Start difference. First operand 60 states and 61 transitions. Second operand 22 states. [2020-10-27 03:57:34,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:57:34,246 INFO L93 Difference]: Finished difference Result 68 states and 69 transitions. [2020-10-27 03:57:34,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-27 03:57:34,247 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 113 [2020-10-27 03:57:34,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:57:34,248 INFO L225 Difference]: With dead ends: 68 [2020-10-27 03:57:34,248 INFO L226 Difference]: Without dead ends: 63 [2020-10-27 03:57:34,250 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 270 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=491, Invalid=991, Unknown=0, NotChecked=0, Total=1482 [2020-10-27 03:57:34,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2020-10-27 03:57:34,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2020-10-27 03:57:34,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-10-27 03:57:34,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 64 transitions. [2020-10-27 03:57:34,256 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 64 transitions. Word has length 113 [2020-10-27 03:57:34,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:57:34,256 INFO L481 AbstractCegarLoop]: Abstraction has 63 states and 64 transitions. [2020-10-27 03:57:34,256 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-27 03:57:34,256 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 64 transitions. [2020-10-27 03:57:34,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-27 03:57:34,258 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:57:34,258 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:57:34,258 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-27 03:57:34,258 INFO L429 AbstractCegarLoop]: === Iteration 19 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:57:34,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:57:34,259 INFO L82 PathProgramCache]: Analyzing trace with hash -1539342455, now seen corresponding path program 15 times [2020-10-27 03:57:34,259 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:57:34,259 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2138895854] [2020-10-27 03:57:34,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:57:34,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:34,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:34,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:34,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-27 03:57:35,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:35,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 721 [2020-10-27 03:57:35,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:35,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-27 03:57:35,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 03:57:35,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-27 03:57:35,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:35,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:57:35,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:35,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:35,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:35,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:57:35,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:35,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:57:35,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:35,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:57:35,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:35,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:57:35,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:35,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:57:35,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:35,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:35,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:35,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-27 03:57:35,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:35,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 445 [2020-10-27 03:57:35,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:35,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-27 03:57:35,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:35,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-27 03:57:35,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:35,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:35,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:35,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:36,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:36,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-27 03:57:36,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:36,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 469 [2020-10-27 03:57:36,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:36,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-27 03:57:36,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:36,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-27 03:57:36,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:36,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:36,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:36,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:36,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:36,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-27 03:57:36,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:36,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 375 [2020-10-27 03:57:36,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:36,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-27 03:57:36,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:36,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-27 03:57:36,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:36,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:36,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:36,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:36,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:36,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-27 03:57:36,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:36,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 302 [2020-10-27 03:57:36,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:36,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-27 03:57:36,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:36,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-27 03:57:36,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:36,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:36,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:36,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:37,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:37,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-27 03:57:37,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:37,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 229 [2020-10-27 03:57:37,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:37,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-27 03:57:37,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:37,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-27 03:57:37,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:37,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:37,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:37,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:37,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:37,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-27 03:57:37,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:37,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 199 [2020-10-27 03:57:37,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:37,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-27 03:57:37,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:37,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-27 03:57:37,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:37,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:37,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:37,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:37,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:37,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-27 03:57:37,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:37,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 209 [2020-10-27 03:57:37,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:37,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-27 03:57:37,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:37,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-27 03:57:37,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:37,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:37,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:37,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:37,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:37,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 03:57:37,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:37,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 136 [2020-10-27 03:57:37,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:37,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 03:57:37,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:37,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-27 03:57:37,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:37,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:37,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:37,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:37,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:37,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-27 03:57:37,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:37,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-10-27 03:57:37,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:37,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 03:57:37,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:37,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-27 03:57:37,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:37,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:37,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:37,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:37,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:37,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-27 03:57:37,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:37,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-27 03:57:37,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:37,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 03:57:37,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:37,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 03:57:37,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:37,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:37,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:37,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:38,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:38,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 03:57:38,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:38,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-27 03:57:38,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:38,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 03:57:38,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:38,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-27 03:57:38,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:38,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:38,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:38,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:38,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:38,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 03:57:38,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:38,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-27 03:57:38,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:38,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 03:57:38,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:38,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 03:57:38,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:38,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:38,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:38,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:38,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:38,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-27 03:57:38,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:38,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-27 03:57:38,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:38,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 03:57:38,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:38,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-27 03:57:38,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:38,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:38,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:38,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:38,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:38,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 03:57:38,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:38,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-27 03:57:38,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:38,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 03:57:38,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:38,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 03:57:38,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:38,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:38,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:38,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:38,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:38,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:57:38,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:38,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 03:57:38,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:38,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:57:38,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:38,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 03:57:38,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:57:38,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:38,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:38,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:38,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:38,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:57:38,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:38,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:57:38,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:38,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:57:38,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:38,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:57:38,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:38,522 INFO L134 CoverageAnalysis]: Checked inductivity of 795 backedges. 33 proven. 467 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2020-10-27 03:57:38,522 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2138895854] [2020-10-27 03:57:38,523 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:57:38,523 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-27 03:57:38,523 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487057045] [2020-10-27 03:57:38,523 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-27 03:57:38,524 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:57:38,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-27 03:57:38,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=162, Invalid=300, Unknown=0, NotChecked=0, Total=462 [2020-10-27 03:57:38,524 INFO L87 Difference]: Start difference. First operand 63 states and 64 transitions. Second operand 22 states. [2020-10-27 03:57:39,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:57:39,495 INFO L93 Difference]: Finished difference Result 71 states and 72 transitions. [2020-10-27 03:57:39,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-27 03:57:39,495 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 120 [2020-10-27 03:57:39,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:57:39,497 INFO L225 Difference]: With dead ends: 71 [2020-10-27 03:57:39,497 INFO L226 Difference]: Without dead ends: 66 [2020-10-27 03:57:39,497 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 287 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=523, Invalid=1037, Unknown=0, NotChecked=0, Total=1560 [2020-10-27 03:57:39,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-10-27 03:57:39,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2020-10-27 03:57:39,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-10-27 03:57:39,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 67 transitions. [2020-10-27 03:57:39,503 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 67 transitions. Word has length 120 [2020-10-27 03:57:39,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:57:39,503 INFO L481 AbstractCegarLoop]: Abstraction has 66 states and 67 transitions. [2020-10-27 03:57:39,503 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-27 03:57:39,503 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 67 transitions. [2020-10-27 03:57:39,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-27 03:57:39,505 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:57:39,505 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:57:39,505 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-27 03:57:39,505 INFO L429 AbstractCegarLoop]: === Iteration 20 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:57:39,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:57:39,506 INFO L82 PathProgramCache]: Analyzing trace with hash 1275498622, now seen corresponding path program 16 times [2020-10-27 03:57:39,506 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:57:39,506 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1203893314] [2020-10-27 03:57:39,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:57:39,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:39,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:40,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:40,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-27 03:57:40,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:40,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 650 [2020-10-27 03:57:40,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:40,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 36 [2020-10-27 03:57:40,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 03:57:40,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-10-27 03:57:40,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:40,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:57:40,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:40,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:40,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:40,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:57:40,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:40,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:57:40,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:40,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:57:40,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:40,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:57:40,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:40,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:57:40,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:40,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:40,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:40,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-27 03:57:40,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:40,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 489 [2020-10-27 03:57:40,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:40,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 36 [2020-10-27 03:57:40,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:40,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-27 03:57:40,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:40,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:40,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:40,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:41,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:41,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-27 03:57:41,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:41,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 457 [2020-10-27 03:57:41,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:41,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-27 03:57:41,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:41,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-27 03:57:41,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:41,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:41,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:41,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:41,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:41,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-27 03:57:41,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:41,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 442 [2020-10-27 03:57:41,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:41,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-27 03:57:41,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:41,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-27 03:57:41,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:41,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:41,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:41,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:42,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:42,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-27 03:57:42,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:42,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 364 [2020-10-27 03:57:42,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:42,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-27 03:57:42,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:42,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-27 03:57:42,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:42,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:42,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:42,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:42,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:42,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-27 03:57:42,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:42,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 293 [2020-10-27 03:57:42,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:42,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-27 03:57:42,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:42,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-27 03:57:42,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:42,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:42,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:42,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:42,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:42,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-27 03:57:42,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:42,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 253 [2020-10-27 03:57:42,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:42,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-27 03:57:42,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:42,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-27 03:57:42,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:42,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:42,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:42,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:42,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:42,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-27 03:57:42,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:42,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 192 [2020-10-27 03:57:42,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:42,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-27 03:57:42,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:42,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-27 03:57:42,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:42,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:42,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:42,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:43,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:43,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-27 03:57:43,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:43,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 166 [2020-10-27 03:57:43,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:43,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-27 03:57:43,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:43,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-27 03:57:43,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:43,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:43,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:43,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:43,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:43,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 03:57:43,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:43,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-10-27 03:57:43,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:43,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 03:57:43,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:43,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-27 03:57:43,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:43,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:43,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:43,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:43,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:43,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-27 03:57:43,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:43,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-27 03:57:43,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:43,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 03:57:43,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:43,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-27 03:57:43,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:43,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:43,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:43,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:43,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:43,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-27 03:57:43,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:43,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-10-27 03:57:43,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:43,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 03:57:43,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:43,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 03:57:43,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:43,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:43,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:43,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:43,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:43,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 03:57:43,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:43,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-27 03:57:43,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:43,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 03:57:43,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:43,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-27 03:57:43,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:43,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:43,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:43,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:43,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:43,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 03:57:43,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:43,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-27 03:57:43,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:43,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 03:57:43,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:43,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 03:57:43,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:43,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:43,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:43,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:43,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:43,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-27 03:57:43,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:43,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 03:57:43,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:43,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 03:57:43,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:43,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-27 03:57:43,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:43,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:43,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:43,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:43,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:43,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 03:57:43,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:43,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 03:57:43,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:43,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 03:57:43,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:43,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 03:57:43,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:43,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:43,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:43,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:43,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:43,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:57:43,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:43,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 03:57:43,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:43,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:57:43,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:43,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 03:57:43,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:43,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:43,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:43,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:43,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:43,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:57:43,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:43,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:57:43,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:43,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:57:43,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:43,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:57:43,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:44,052 INFO L134 CoverageAnalysis]: Checked inductivity of 904 backedges. 21 proven. 491 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2020-10-27 03:57:44,052 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1203893314] [2020-10-27 03:57:44,053 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:57:44,053 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-27 03:57:44,053 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016440610] [2020-10-27 03:57:44,053 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-27 03:57:44,053 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:57:44,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-27 03:57:44,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=326, Unknown=0, NotChecked=0, Total=506 [2020-10-27 03:57:44,054 INFO L87 Difference]: Start difference. First operand 66 states and 67 transitions. Second operand 23 states. [2020-10-27 03:57:45,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:57:45,112 INFO L93 Difference]: Finished difference Result 74 states and 75 transitions. [2020-10-27 03:57:45,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-27 03:57:45,112 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 127 [2020-10-27 03:57:45,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:57:45,114 INFO L225 Difference]: With dead ends: 74 [2020-10-27 03:57:45,114 INFO L226 Difference]: Without dead ends: 69 [2020-10-27 03:57:45,115 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 323 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=580, Invalid=1142, Unknown=0, NotChecked=0, Total=1722 [2020-10-27 03:57:45,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2020-10-27 03:57:45,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2020-10-27 03:57:45,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-10-27 03:57:45,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 70 transitions. [2020-10-27 03:57:45,126 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 70 transitions. Word has length 127 [2020-10-27 03:57:45,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:57:45,126 INFO L481 AbstractCegarLoop]: Abstraction has 69 states and 70 transitions. [2020-10-27 03:57:45,126 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-27 03:57:45,127 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 70 transitions. [2020-10-27 03:57:45,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-27 03:57:45,129 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:57:45,129 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:57:45,129 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-27 03:57:45,129 INFO L429 AbstractCegarLoop]: === Iteration 21 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:57:45,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:57:45,129 INFO L82 PathProgramCache]: Analyzing trace with hash 1426186523, now seen corresponding path program 17 times [2020-10-27 03:57:45,130 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:57:45,130 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [484205676] [2020-10-27 03:57:45,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:57:45,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:45,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:45,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:45,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-27 03:57:45,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:45,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 757 [2020-10-27 03:57:45,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:45,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-10-27 03:57:45,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 03:57:45,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 161 [2020-10-27 03:57:45,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:45,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:57:45,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:45,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:45,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:45,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:57:45,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:45,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:57:45,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:45,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:57:45,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:45,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:57:45,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:45,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:57:45,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:45,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:46,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:46,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-27 03:57:46,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:46,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 555 [2020-10-27 03:57:46,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:46,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-10-27 03:57:46,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:46,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-27 03:57:46,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:46,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:46,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:46,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:47,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:47,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-27 03:57:47,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:47,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 559 [2020-10-27 03:57:47,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:47,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-27 03:57:47,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:47,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-27 03:57:47,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:47,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:47,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:47,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:47,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:47,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-27 03:57:47,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:47,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 478 [2020-10-27 03:57:47,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:47,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-27 03:57:47,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:47,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-27 03:57:47,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:47,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:47,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:47,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:48,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:48,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-27 03:57:48,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:48,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 399 [2020-10-27 03:57:48,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:48,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-27 03:57:48,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:48,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-27 03:57:48,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:48,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:48,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:48,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:48,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:48,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-27 03:57:48,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:48,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 340 [2020-10-27 03:57:48,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:48,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-27 03:57:48,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:48,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-27 03:57:48,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:48,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:48,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:48,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:48,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:48,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-27 03:57:48,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:48,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 307 [2020-10-27 03:57:48,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:48,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-27 03:57:48,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:48,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-27 03:57:48,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:48,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:48,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:48,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:49,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:49,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-27 03:57:49,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:49,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 268 [2020-10-27 03:57:49,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:49,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-27 03:57:49,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:49,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-27 03:57:49,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:49,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:49,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:49,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:49,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:49,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-27 03:57:49,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:49,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 217 [2020-10-27 03:57:49,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:49,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-27 03:57:49,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:49,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-27 03:57:49,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:49,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:49,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:49,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:49,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:49,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-27 03:57:49,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:49,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 162 [2020-10-27 03:57:49,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:49,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-27 03:57:49,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:49,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-27 03:57:49,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:49,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:49,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:49,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:49,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:49,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 03:57:49,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:49,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 129 [2020-10-27 03:57:49,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:49,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 03:57:49,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:49,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-27 03:57:49,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:49,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:49,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:49,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:49,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:49,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-27 03:57:49,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:49,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-27 03:57:49,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:49,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 03:57:49,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:49,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-27 03:57:49,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:49,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:49,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:49,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:49,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:49,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-27 03:57:49,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:49,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-27 03:57:49,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:49,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 03:57:49,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:49,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 03:57:49,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:50,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:50,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:50,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:50,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:50,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 03:57:50,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:50,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-27 03:57:50,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:50,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 03:57:50,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:50,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-27 03:57:50,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:50,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:50,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:50,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:50,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:50,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 03:57:50,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:50,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-27 03:57:50,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:50,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 03:57:50,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:50,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 03:57:50,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:50,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:50,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:50,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:50,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:50,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-27 03:57:50,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:50,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 03:57:50,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:50,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 03:57:50,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:50,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-27 03:57:50,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:50,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:50,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:50,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:50,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:50,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 03:57:50,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:50,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 03:57:50,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:50,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 03:57:50,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:50,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 03:57:50,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:50,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:50,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:50,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:50,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:50,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:57:50,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:50,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 03:57:50,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:50,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:57:50,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:50,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 03:57:50,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:50,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:50,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:50,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:50,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:50,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:57:50,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:50,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:57:50,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:50,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:57:50,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:50,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:57:50,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:50,503 INFO L134 CoverageAnalysis]: Checked inductivity of 1020 backedges. 117 proven. 517 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2020-10-27 03:57:50,503 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [484205676] [2020-10-27 03:57:50,503 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:57:50,503 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-10-27 03:57:50,504 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33714355] [2020-10-27 03:57:50,504 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-27 03:57:50,504 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:57:50,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-27 03:57:50,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=199, Invalid=353, Unknown=0, NotChecked=0, Total=552 [2020-10-27 03:57:50,505 INFO L87 Difference]: Start difference. First operand 69 states and 70 transitions. Second operand 24 states. [2020-10-27 03:57:51,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:57:51,596 INFO L93 Difference]: Finished difference Result 77 states and 78 transitions. [2020-10-27 03:57:51,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-27 03:57:51,597 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 134 [2020-10-27 03:57:51,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:57:51,598 INFO L225 Difference]: With dead ends: 77 [2020-10-27 03:57:51,599 INFO L226 Difference]: Without dead ends: 72 [2020-10-27 03:57:51,600 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 360 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=640, Invalid=1252, Unknown=0, NotChecked=0, Total=1892 [2020-10-27 03:57:51,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-10-27 03:57:51,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2020-10-27 03:57:51,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-10-27 03:57:51,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 73 transitions. [2020-10-27 03:57:51,606 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 73 transitions. Word has length 134 [2020-10-27 03:57:51,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:57:51,606 INFO L481 AbstractCegarLoop]: Abstraction has 72 states and 73 transitions. [2020-10-27 03:57:51,606 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-27 03:57:51,606 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 73 transitions. [2020-10-27 03:57:51,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-27 03:57:51,608 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:57:51,608 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:57:51,608 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-27 03:57:51,608 INFO L429 AbstractCegarLoop]: === Iteration 22 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:57:51,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:57:51,609 INFO L82 PathProgramCache]: Analyzing trace with hash -277020308, now seen corresponding path program 18 times [2020-10-27 03:57:51,609 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:57:51,609 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1906442332] [2020-10-27 03:57:51,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:57:51,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:51,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:52,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:52,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-10-27 03:57:52,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:52,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 807 [2020-10-27 03:57:52,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:52,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 40 [2020-10-27 03:57:52,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 03:57:52,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 170 [2020-10-27 03:57:52,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:52,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:57:52,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:52,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:52,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:52,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:57:52,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:52,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:57:52,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:52,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:57:52,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:52,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:57:52,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:52,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:57:52,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:52,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:53,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:53,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-10-27 03:57:53,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:53,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 672 [2020-10-27 03:57:53,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:53,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 40 [2020-10-27 03:57:53,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:53,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-27 03:57:53,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:53,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:53,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:53,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:53,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:53,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-27 03:57:53,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:53,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 623 [2020-10-27 03:57:53,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:53,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-27 03:57:53,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:53,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-27 03:57:53,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:53,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:53,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:53,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:54,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:54,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-27 03:57:54,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:54,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 552 [2020-10-27 03:57:54,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:54,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-27 03:57:54,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:54,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-27 03:57:54,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:54,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:54,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:54,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:54,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:54,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-27 03:57:54,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:54,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 474 [2020-10-27 03:57:54,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:54,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-27 03:57:54,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:54,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-27 03:57:54,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:54,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:55,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:55,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:55,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:55,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-27 03:57:55,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:55,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 373 [2020-10-27 03:57:55,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:55,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-27 03:57:55,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:55,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-27 03:57:55,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:55,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:55,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:55,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:55,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:55,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-27 03:57:55,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:55,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 371 [2020-10-27 03:57:55,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:55,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-27 03:57:55,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:55,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-27 03:57:55,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:55,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:55,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:55,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:56,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:56,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-27 03:57:56,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:56,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 284 [2020-10-27 03:57:56,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:56,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-27 03:57:56,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:56,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-27 03:57:56,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:56,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:56,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:56,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:56,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:56,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-27 03:57:56,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:56,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 248 [2020-10-27 03:57:56,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:56,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-27 03:57:56,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:56,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-27 03:57:56,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:56,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:56,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:56,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:56,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:56,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-27 03:57:56,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:56,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 225 [2020-10-27 03:57:56,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:56,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-27 03:57:56,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:56,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-27 03:57:56,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:56,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:56,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:56,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:56,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:56,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-27 03:57:56,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:56,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 163 [2020-10-27 03:57:56,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:56,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-27 03:57:56,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:56,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-27 03:57:56,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:56,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:56,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:56,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:57,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:57,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 03:57:57,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:57,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-10-27 03:57:57,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:57,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 03:57:57,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:57,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-27 03:57:57,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:57,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:57,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:57,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:57,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:57,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-27 03:57:57,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:57,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-27 03:57:57,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:57,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 03:57:57,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:57,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-27 03:57:57,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:57,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:57,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:57,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:57,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:57,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-27 03:57:57,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:57,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-27 03:57:57,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:57,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 03:57:57,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:57,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 03:57:57,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:57,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:57,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:57,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:57,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:57,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 03:57:57,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:57,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-27 03:57:57,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:57,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 03:57:57,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:57,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-27 03:57:57,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:57,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:57,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:57,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:57,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:57,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 03:57:57,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:57,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-27 03:57:57,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:57,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 03:57:57,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:57,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 03:57:57,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:57,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:57,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:57,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:57,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:57,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-27 03:57:57,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:57,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 03:57:57,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:57,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 03:57:57,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:57,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-27 03:57:57,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:57,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:57,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:57,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:57,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:57,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 03:57:57,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:57,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 03:57:57,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:57,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 03:57:57,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:57,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 03:57:57,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:57,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:57,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:57,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:57,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:57,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:57:57,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:57,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 03:57:57,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:57,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:57:57,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:57,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 03:57:57,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:57,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:57,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:57,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:57,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:57,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:57:57,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:57,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:57:57,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:57,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:57:57,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:57,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:57:57,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:57,766 INFO L134 CoverageAnalysis]: Checked inductivity of 1143 backedges. 81 proven. 586 refuted. 0 times theorem prover too weak. 476 trivial. 0 not checked. [2020-10-27 03:57:57,766 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1906442332] [2020-10-27 03:57:57,766 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:57:57,766 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-10-27 03:57:57,766 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785218666] [2020-10-27 03:57:57,767 INFO L461 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-27 03:57:57,767 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:57:57,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-27 03:57:57,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=219, Invalid=381, Unknown=0, NotChecked=0, Total=600 [2020-10-27 03:57:57,768 INFO L87 Difference]: Start difference. First operand 72 states and 73 transitions. Second operand 25 states. [2020-10-27 03:57:58,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:57:58,971 INFO L93 Difference]: Finished difference Result 80 states and 81 transitions. [2020-10-27 03:57:58,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-27 03:57:58,975 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 141 [2020-10-27 03:57:58,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:57:58,976 INFO L225 Difference]: With dead ends: 80 [2020-10-27 03:57:58,976 INFO L226 Difference]: Without dead ends: 75 [2020-10-27 03:57:58,977 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 398 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=703, Invalid=1367, Unknown=0, NotChecked=0, Total=2070 [2020-10-27 03:57:58,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-10-27 03:57:58,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2020-10-27 03:57:58,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-10-27 03:57:58,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 76 transitions. [2020-10-27 03:57:58,983 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 76 transitions. Word has length 141 [2020-10-27 03:57:58,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:57:58,983 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 76 transitions. [2020-10-27 03:57:58,983 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-10-27 03:57:58,983 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 76 transitions. [2020-10-27 03:57:58,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-27 03:57:58,985 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:57:58,985 INFO L422 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:57:58,985 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-27 03:57:58,985 INFO L429 AbstractCegarLoop]: === Iteration 23 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:57:58,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:57:58,985 INFO L82 PathProgramCache]: Analyzing trace with hash -1283861075, now seen corresponding path program 19 times [2020-10-27 03:57:58,986 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:57:58,986 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [945964151] [2020-10-27 03:57:58,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:57:59,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:59,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:59,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:59,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 196 [2020-10-27 03:57:59,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:59,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 976 [2020-10-27 03:57:59,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:59,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-10-27 03:57:59,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 03:57:59,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 179 [2020-10-27 03:57:59,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:00,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:58:00,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:00,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:00,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:00,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:58:00,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:00,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:58:00,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:00,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:58:00,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:00,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:58:00,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:00,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:58:00,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:00,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:00,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:00,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-27 03:58:00,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:00,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 707 [2020-10-27 03:58:00,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:00,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-10-27 03:58:00,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:00,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-27 03:58:00,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:00,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:00,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:00,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:01,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:01,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-10-27 03:58:01,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:01,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 654 [2020-10-27 03:58:01,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:01,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-27 03:58:01,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:01,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-27 03:58:01,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:01,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:01,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:01,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:02,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:02,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-27 03:58:02,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:02,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 665 [2020-10-27 03:58:02,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:02,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-27 03:58:02,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:02,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-27 03:58:02,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:02,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:02,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:02,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:02,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:02,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-27 03:58:02,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:02,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 557 [2020-10-27 03:58:02,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:02,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-27 03:58:02,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:02,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-27 03:58:02,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:02,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:02,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:02,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:03,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:03,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-27 03:58:03,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:03,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 545 [2020-10-27 03:58:03,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:03,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-27 03:58:03,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:03,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-27 03:58:03,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:03,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:03,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:03,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:03,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:03,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-27 03:58:03,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:03,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 381 [2020-10-27 03:58:03,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:03,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-27 03:58:03,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:03,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-27 03:58:03,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:03,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:03,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:03,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:04,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:04,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-27 03:58:04,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:04,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 355 [2020-10-27 03:58:04,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:04,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-27 03:58:04,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:04,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-27 03:58:04,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:04,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:04,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:04,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:04,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:04,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-27 03:58:04,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:04,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 288 [2020-10-27 03:58:04,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:04,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-27 03:58:04,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:04,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-27 03:58:04,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:04,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:04,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:04,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:04,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:04,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-27 03:58:04,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:04,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 235 [2020-10-27 03:58:04,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:04,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-27 03:58:04,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:04,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-27 03:58:04,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:04,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:04,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:04,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:05,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:05,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-27 03:58:05,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:05,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 223 [2020-10-27 03:58:05,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:05,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-27 03:58:05,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:05,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-27 03:58:05,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:05,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:05,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:05,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:05,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:05,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-27 03:58:05,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:05,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 154 [2020-10-27 03:58:05,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:05,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-27 03:58:05,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:05,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-27 03:58:05,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:05,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:05,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:05,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:05,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:05,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 03:58:05,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:05,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 129 [2020-10-27 03:58:05,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:05,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 03:58:05,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:05,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-27 03:58:05,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:05,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:05,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:05,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:05,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:05,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-27 03:58:05,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:05,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-27 03:58:05,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:05,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 03:58:05,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:05,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-27 03:58:05,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:05,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:05,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:05,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:05,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:05,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-27 03:58:05,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:05,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-27 03:58:05,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:05,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 03:58:05,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:05,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 03:58:05,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:05,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:05,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:05,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:05,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:05,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 03:58:05,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:05,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-27 03:58:05,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:05,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 03:58:05,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:05,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-27 03:58:05,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:05,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:05,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:05,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:05,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:05,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 03:58:05,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:05,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-27 03:58:05,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:05,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 03:58:05,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:05,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 03:58:05,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:05,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:05,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:05,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:05,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:05,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-27 03:58:05,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:05,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-27 03:58:05,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:05,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 03:58:05,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:05,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-27 03:58:05,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:05,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:05,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:05,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:05,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:05,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 03:58:05,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:06,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 03:58:06,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:06,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 03:58:06,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:06,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 03:58:06,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:06,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:06,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:06,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:06,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:06,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:58:06,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:06,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 03:58:06,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:06,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:58:06,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:06,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 03:58:06,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:06,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:06,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:06,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:06,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:06,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:58:06,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:06,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:58:06,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:06,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:58:06,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:06,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:58:06,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:06,330 INFO L134 CoverageAnalysis]: Checked inductivity of 1273 backedges. 66 proven. 722 refuted. 0 times theorem prover too weak. 485 trivial. 0 not checked. [2020-10-27 03:58:06,330 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [945964151] [2020-10-27 03:58:06,330 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:58:06,330 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2020-10-27 03:58:06,330 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415290263] [2020-10-27 03:58:06,331 INFO L461 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-10-27 03:58:06,331 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:58:06,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-10-27 03:58:06,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=243, Invalid=459, Unknown=0, NotChecked=0, Total=702 [2020-10-27 03:58:06,332 INFO L87 Difference]: Start difference. First operand 75 states and 76 transitions. Second operand 27 states. [2020-10-27 03:58:07,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:58:07,618 INFO L93 Difference]: Finished difference Result 83 states and 84 transitions. [2020-10-27 03:58:07,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-27 03:58:07,619 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 148 [2020-10-27 03:58:07,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:58:07,621 INFO L225 Difference]: With dead ends: 83 [2020-10-27 03:58:07,621 INFO L226 Difference]: Without dead ends: 78 [2020-10-27 03:58:07,622 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 39 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 460 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=793, Invalid=1559, Unknown=0, NotChecked=0, Total=2352 [2020-10-27 03:58:07,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-10-27 03:58:07,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2020-10-27 03:58:07,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-10-27 03:58:07,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 79 transitions. [2020-10-27 03:58:07,626 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 79 transitions. Word has length 148 [2020-10-27 03:58:07,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:58:07,627 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 79 transitions. [2020-10-27 03:58:07,627 INFO L482 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-10-27 03:58:07,627 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 79 transitions. [2020-10-27 03:58:07,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-10-27 03:58:07,629 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:58:07,629 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:58:07,629 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-27 03:58:07,629 INFO L429 AbstractCegarLoop]: === Iteration 24 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:58:07,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:58:07,630 INFO L82 PathProgramCache]: Analyzing trace with hash 820211546, now seen corresponding path program 20 times [2020-10-27 03:58:07,630 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:58:07,630 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1302253877] [2020-10-27 03:58:07,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:58:07,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:07,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:08,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:08,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-10-27 03:58:08,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:08,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 999 [2020-10-27 03:58:08,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:08,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 44 [2020-10-27 03:58:08,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 03:58:08,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 188 [2020-10-27 03:58:08,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:08,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:58:08,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:08,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:08,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:08,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:58:08,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:08,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:58:08,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:08,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:58:08,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:08,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:58:08,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:08,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:58:08,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:08,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:09,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:09,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-27 03:58:09,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:09,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 795 [2020-10-27 03:58:09,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:09,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 44 [2020-10-27 03:58:09,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:09,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 187 [2020-10-27 03:58:09,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:09,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:09,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:09,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:10,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:10,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-27 03:58:10,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:10,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 747 [2020-10-27 03:58:10,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:10,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-27 03:58:10,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:10,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-27 03:58:10,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:10,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:10,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:10,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:11,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:11,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-10-27 03:58:11,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:11,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 652 [2020-10-27 03:58:11,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:11,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-27 03:58:11,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:11,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-27 03:58:11,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:11,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:11,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:11,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:11,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:11,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-27 03:58:11,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:11,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 599 [2020-10-27 03:58:11,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:11,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-27 03:58:11,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:11,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-27 03:58:11,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:11,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:11,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:11,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:12,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:12,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-27 03:58:12,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:12,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 528 [2020-10-27 03:58:12,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:12,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-27 03:58:12,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:12,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-27 03:58:12,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:12,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:12,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:12,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:12,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:12,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-27 03:58:12,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:12,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 450 [2020-10-27 03:58:12,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:12,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-27 03:58:12,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:12,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-27 03:58:12,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:12,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:12,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:12,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:13,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:13,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-27 03:58:13,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:13,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 372 [2020-10-27 03:58:13,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:13,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-27 03:58:13,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:13,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-27 03:58:13,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:13,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:13,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:13,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:13,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:13,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-27 03:58:13,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:13,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 358 [2020-10-27 03:58:13,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:13,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-27 03:58:13,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:13,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-27 03:58:13,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:13,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:13,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:13,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:13,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:13,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-27 03:58:13,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:13,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 296 [2020-10-27 03:58:13,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:13,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-27 03:58:13,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:13,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-27 03:58:13,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:13,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:13,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:13,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:14,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:14,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-27 03:58:14,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:14,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 242 [2020-10-27 03:58:14,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:14,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-27 03:58:14,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:14,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-27 03:58:14,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:14,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:14,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:14,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:14,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:14,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-27 03:58:14,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:14,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 220 [2020-10-27 03:58:14,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:14,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-27 03:58:14,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:14,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-27 03:58:14,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:14,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:14,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:14,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:14,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:14,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-27 03:58:14,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:14,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 159 [2020-10-27 03:58:14,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:14,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-27 03:58:14,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:14,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-27 03:58:14,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:14,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:14,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:14,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:14,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:14,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 03:58:14,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:14,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-10-27 03:58:14,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:14,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 03:58:14,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:14,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-27 03:58:14,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:14,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:14,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:14,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:14,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:14,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-27 03:58:14,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:14,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-10-27 03:58:14,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:14,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 03:58:14,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:14,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-27 03:58:14,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:14,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:14,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:14,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:15,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:15,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-27 03:58:15,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:15,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-27 03:58:15,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:15,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 03:58:15,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:15,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 03:58:15,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:15,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:15,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:15,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:15,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:15,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 03:58:15,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:15,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-27 03:58:15,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:15,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 03:58:15,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:15,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-27 03:58:15,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:15,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:15,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:15,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:15,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:15,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 03:58:15,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:15,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-27 03:58:15,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:15,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 03:58:15,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:15,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 03:58:15,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:15,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:15,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:15,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:15,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:15,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-27 03:58:15,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:15,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-27 03:58:15,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:15,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 03:58:15,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:15,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-27 03:58:15,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:15,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:15,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:15,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:15,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:15,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 03:58:15,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:15,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 03:58:15,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:15,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 03:58:15,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:15,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 03:58:15,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:15,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:15,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:15,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:15,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:15,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:58:15,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:15,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 03:58:15,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:15,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:58:15,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:15,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 03:58:15,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:15,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:15,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:15,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:15,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:15,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:58:15,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:15,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:58:15,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:15,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:58:15,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:15,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:58:15,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:15,598 INFO L134 CoverageAnalysis]: Checked inductivity of 1410 backedges. 117 proven. 723 refuted. 0 times theorem prover too weak. 570 trivial. 0 not checked. [2020-10-27 03:58:15,598 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1302253877] [2020-10-27 03:58:15,598 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:58:15,598 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2020-10-27 03:58:15,598 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379209921] [2020-10-27 03:58:15,599 INFO L461 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-10-27 03:58:15,599 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:58:15,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-10-27 03:58:15,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=262, Invalid=440, Unknown=0, NotChecked=0, Total=702 [2020-10-27 03:58:15,600 INFO L87 Difference]: Start difference. First operand 78 states and 79 transitions. Second operand 27 states. [2020-10-27 03:58:16,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:58:16,909 INFO L93 Difference]: Finished difference Result 86 states and 87 transitions. [2020-10-27 03:58:16,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-27 03:58:16,911 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 155 [2020-10-27 03:58:16,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:58:16,912 INFO L225 Difference]: With dead ends: 86 [2020-10-27 03:58:16,912 INFO L226 Difference]: Without dead ends: 81 [2020-10-27 03:58:16,913 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 482 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=838, Invalid=1612, Unknown=0, NotChecked=0, Total=2450 [2020-10-27 03:58:16,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2020-10-27 03:58:16,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2020-10-27 03:58:16,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-10-27 03:58:16,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 82 transitions. [2020-10-27 03:58:16,919 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 82 transitions. Word has length 155 [2020-10-27 03:58:16,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:58:16,920 INFO L481 AbstractCegarLoop]: Abstraction has 81 states and 82 transitions. [2020-10-27 03:58:16,920 INFO L482 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-10-27 03:58:16,920 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 82 transitions. [2020-10-27 03:58:16,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-27 03:58:16,921 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:58:16,921 INFO L422 BasicCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:58:16,921 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-27 03:58:16,921 INFO L429 AbstractCegarLoop]: === Iteration 25 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:58:16,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:58:16,922 INFO L82 PathProgramCache]: Analyzing trace with hash 2064923967, now seen corresponding path program 21 times [2020-10-27 03:58:16,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:58:16,922 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [641154225] [2020-10-27 03:58:16,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:58:16,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:16,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:18,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:18,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 214 [2020-10-27 03:58:18,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:18,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1239 [2020-10-27 03:58:18,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:18,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-10-27 03:58:18,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 03:58:18,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 197 [2020-10-27 03:58:18,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:18,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:58:18,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:18,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:18,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:18,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:58:18,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:18,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:58:18,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:18,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:58:18,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:18,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:58:18,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:18,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:58:18,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:18,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:19,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:19,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-27 03:58:19,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:19,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 874 [2020-10-27 03:58:19,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:19,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-10-27 03:58:19,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:19,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 196 [2020-10-27 03:58:19,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:19,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:19,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:19,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:20,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:20,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-27 03:58:20,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:20,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 878 [2020-10-27 03:58:20,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:20,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-27 03:58:20,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:20,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 187 [2020-10-27 03:58:20,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:20,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:20,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:20,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:20,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:20,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-27 03:58:20,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:20,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 769 [2020-10-27 03:58:20,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:20,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-27 03:58:20,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:20,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-27 03:58:20,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:20,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:20,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:20,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:21,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:21,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-10-27 03:58:21,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:21,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 724 [2020-10-27 03:58:21,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:21,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-27 03:58:21,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:21,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-27 03:58:21,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:21,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:21,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:21,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:22,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:22,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-27 03:58:22,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:22,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 647 [2020-10-27 03:58:22,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:22,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-27 03:58:22,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:22,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-27 03:58:22,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:22,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:22,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:22,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:22,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:22,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-27 03:58:22,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:22,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 554 [2020-10-27 03:58:22,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:22,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-27 03:58:22,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:22,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-27 03:58:22,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:22,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:22,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:22,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:23,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:23,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-27 03:58:23,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:23,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 453 [2020-10-27 03:58:23,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:23,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-27 03:58:23,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:23,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-27 03:58:23,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:23,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:23,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:23,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:23,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:23,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-27 03:58:23,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:23,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 415 [2020-10-27 03:58:23,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:23,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-27 03:58:23,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:23,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-27 03:58:23,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:23,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:23,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:23,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:24,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:24,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-27 03:58:24,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:24,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 682 [2020-10-27 03:58:24,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:24,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-27 03:58:24,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:24,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-27 03:58:24,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:24,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:24,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:24,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:24,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:24,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-27 03:58:24,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:24,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 289 [2020-10-27 03:58:24,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:24,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-27 03:58:24,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:24,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-27 03:58:24,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:25,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:25,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:25,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:25,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:25,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-27 03:58:25,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:25,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 269 [2020-10-27 03:58:25,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:25,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-27 03:58:25,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:25,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-27 03:58:25,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:25,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:25,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:25,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:25,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:25,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-27 03:58:25,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:25,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 213 [2020-10-27 03:58:25,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:25,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-27 03:58:25,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:25,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-27 03:58:25,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:25,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:25,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:25,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:25,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:25,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-27 03:58:25,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:25,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 154 [2020-10-27 03:58:25,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:25,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-27 03:58:25,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:25,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-27 03:58:25,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:25,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:25,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:25,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:25,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:25,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 03:58:25,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:25,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 123 [2020-10-27 03:58:25,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:25,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 03:58:25,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:25,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-27 03:58:25,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:25,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:25,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:25,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:26,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:26,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-27 03:58:26,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:26,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-27 03:58:26,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:26,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 03:58:26,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:26,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-27 03:58:26,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:26,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:26,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:26,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:26,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:26,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-27 03:58:26,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:26,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-27 03:58:26,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:26,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 03:58:26,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:26,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 03:58:26,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:26,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:26,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:26,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:26,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:26,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 03:58:26,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:26,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-27 03:58:26,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:26,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 03:58:26,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:26,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-27 03:58:26,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:26,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:26,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:26,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:26,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:26,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 03:58:26,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:26,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-27 03:58:26,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:26,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 03:58:26,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:26,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 03:58:26,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:26,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:26,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:26,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:26,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:26,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-27 03:58:26,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:26,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-27 03:58:26,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:26,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 03:58:26,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:26,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-27 03:58:26,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:26,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:26,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:26,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:26,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:26,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 03:58:26,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:26,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 03:58:26,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:26,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 03:58:26,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:26,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 03:58:26,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:26,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:26,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:26,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:26,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:26,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:58:26,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:26,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 03:58:26,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:26,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:58:26,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:26,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 03:58:26,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:26,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:26,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:26,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:26,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:26,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:58:26,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:26,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:58:26,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:26,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:58:26,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:26,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:58:26,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:26,734 INFO L134 CoverageAnalysis]: Checked inductivity of 1554 backedges. 45 proven. 835 refuted. 0 times theorem prover too weak. 674 trivial. 0 not checked. [2020-10-27 03:58:26,734 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [641154225] [2020-10-27 03:58:26,734 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:58:26,734 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2020-10-27 03:58:26,734 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568308150] [2020-10-27 03:58:26,735 INFO L461 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-10-27 03:58:26,735 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:58:26,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-10-27 03:58:26,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=285, Invalid=471, Unknown=0, NotChecked=0, Total=756 [2020-10-27 03:58:26,736 INFO L87 Difference]: Start difference. First operand 81 states and 82 transitions. Second operand 28 states. [2020-10-27 03:58:28,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:58:28,140 INFO L93 Difference]: Finished difference Result 89 states and 90 transitions. [2020-10-27 03:58:28,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-27 03:58:28,141 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 162 [2020-10-27 03:58:28,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:58:28,142 INFO L225 Difference]: With dead ends: 89 [2020-10-27 03:58:28,143 INFO L226 Difference]: Without dead ends: 84 [2020-10-27 03:58:28,145 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 527 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=910, Invalid=1742, Unknown=0, NotChecked=0, Total=2652 [2020-10-27 03:58:28,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2020-10-27 03:58:28,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2020-10-27 03:58:28,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-10-27 03:58:28,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 85 transitions. [2020-10-27 03:58:28,150 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 85 transitions. Word has length 162 [2020-10-27 03:58:28,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:58:28,150 INFO L481 AbstractCegarLoop]: Abstraction has 84 states and 85 transitions. [2020-10-27 03:58:28,150 INFO L482 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-10-27 03:58:28,150 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 85 transitions. [2020-10-27 03:58:28,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-10-27 03:58:28,151 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:58:28,151 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:58:28,151 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-27 03:58:28,151 INFO L429 AbstractCegarLoop]: === Iteration 26 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:58:28,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:58:28,152 INFO L82 PathProgramCache]: Analyzing trace with hash 1646066248, now seen corresponding path program 22 times [2020-10-27 03:58:28,152 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:58:28,152 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1873270646] [2020-10-27 03:58:28,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:58:28,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:28,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:29,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:29,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 223 [2020-10-27 03:58:29,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:29,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1224 [2020-10-27 03:58:29,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:29,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 48 [2020-10-27 03:58:29,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 03:58:29,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 206 [2020-10-27 03:58:29,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:29,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:58:29,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:29,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:29,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:29,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:58:29,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:29,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:58:29,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:29,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:58:29,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:29,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:58:29,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:29,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:58:29,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:29,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:30,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:30,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-10-27 03:58:30,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:30,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1065 [2020-10-27 03:58:30,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:30,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 48 [2020-10-27 03:58:30,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:30,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 205 [2020-10-27 03:58:30,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:30,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:30,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:30,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:31,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:31,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-27 03:58:31,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:31,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 923 [2020-10-27 03:58:31,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:31,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 47 [2020-10-27 03:58:31,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:31,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 196 [2020-10-27 03:58:31,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:31,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:31,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:31,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:32,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:32,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-27 03:58:32,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:32,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 829 [2020-10-27 03:58:32,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:32,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-27 03:58:32,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:32,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 187 [2020-10-27 03:58:32,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:32,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:32,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:32,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:33,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:33,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-27 03:58:33,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:33,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 771 [2020-10-27 03:58:33,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:33,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-27 03:58:33,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:33,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-27 03:58:33,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:33,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:33,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:33,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:33,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:33,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-10-27 03:58:33,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:33,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 718 [2020-10-27 03:58:33,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:33,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-27 03:58:33,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:33,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-27 03:58:33,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:34,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:34,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:34,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:34,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:34,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-27 03:58:34,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:34,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 606 [2020-10-27 03:58:34,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:34,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-27 03:58:34,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:34,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-27 03:58:34,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:34,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:34,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:34,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:35,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:35,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-27 03:58:35,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:35,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 558 [2020-10-27 03:58:35,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:35,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-27 03:58:35,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:35,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-27 03:58:35,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:35,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:35,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:35,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:35,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:35,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-27 03:58:35,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:35,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 502 [2020-10-27 03:58:35,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:35,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-27 03:58:35,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:35,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-27 03:58:35,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:35,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:35,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:35,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:36,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:36,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-27 03:58:36,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:36,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 434 [2020-10-27 03:58:36,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:36,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-27 03:58:36,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:36,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-27 03:58:36,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:36,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:36,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:36,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:36,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:36,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-27 03:58:36,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:36,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 334 [2020-10-27 03:58:36,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:36,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-27 03:58:36,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:36,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-27 03:58:36,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:36,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:36,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:36,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:37,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:37,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-27 03:58:37,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:37,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 290 [2020-10-27 03:58:37,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:37,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-27 03:58:37,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:37,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-27 03:58:37,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:37,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:37,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:37,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:37,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:37,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-27 03:58:37,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:37,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 289 [2020-10-27 03:58:37,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:37,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-27 03:58:37,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:37,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-27 03:58:37,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:37,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:37,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:37,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:37,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:37,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-27 03:58:37,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:37,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 226 [2020-10-27 03:58:37,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:37,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-27 03:58:37,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:37,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-27 03:58:37,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:37,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:37,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:37,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:37,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:37,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-27 03:58:37,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:37,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 174 [2020-10-27 03:58:37,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:37,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-27 03:58:37,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:37,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-27 03:58:37,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:37,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:37,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:37,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:37,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:37,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 03:58:37,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:37,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 132 [2020-10-27 03:58:37,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:37,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 03:58:37,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:37,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-27 03:58:37,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:38,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:38,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:38,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:38,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:38,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-27 03:58:38,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:38,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-27 03:58:38,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:38,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 03:58:38,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:38,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-27 03:58:38,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:38,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:38,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:38,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:38,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:38,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-27 03:58:38,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:38,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-27 03:58:38,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:38,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 03:58:38,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:38,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 03:58:38,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:38,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:38,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:38,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:38,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:38,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 03:58:38,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:38,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-27 03:58:38,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:38,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 03:58:38,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:38,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-27 03:58:38,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:38,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:38,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:38,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:38,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:38,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 03:58:38,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:38,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-27 03:58:38,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:38,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 03:58:38,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:38,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 03:58:38,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:38,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:38,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:38,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:38,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:38,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-27 03:58:38,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:38,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 03:58:38,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:38,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 03:58:38,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:38,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-27 03:58:38,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:38,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:38,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:38,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:38,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:38,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 03:58:38,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:38,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 03:58:38,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:38,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 03:58:38,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:38,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 03:58:38,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:38,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:38,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:38,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:38,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:38,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:58:38,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:38,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 03:58:38,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:38,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:58:38,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:38,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 03:58:38,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:38,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:38,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:38,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:38,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:38,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:58:38,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:38,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:58:38,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:38,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:58:38,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:38,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:58:38,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:38,889 INFO L134 CoverageAnalysis]: Checked inductivity of 1705 backedges. 174 proven. 857 refuted. 0 times theorem prover too weak. 674 trivial. 0 not checked. [2020-10-27 03:58:38,890 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1873270646] [2020-10-27 03:58:38,890 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:58:38,890 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-10-27 03:58:38,890 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80251662] [2020-10-27 03:58:38,890 INFO L461 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-10-27 03:58:38,890 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:58:38,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-10-27 03:58:38,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=309, Invalid=503, Unknown=0, NotChecked=0, Total=812 [2020-10-27 03:58:38,891 INFO L87 Difference]: Start difference. First operand 84 states and 85 transitions. Second operand 29 states. [2020-10-27 03:58:40,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:58:40,377 INFO L93 Difference]: Finished difference Result 92 states and 93 transitions. [2020-10-27 03:58:40,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-27 03:58:40,378 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 169 [2020-10-27 03:58:40,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:58:40,380 INFO L225 Difference]: With dead ends: 92 [2020-10-27 03:58:40,380 INFO L226 Difference]: Without dead ends: 87 [2020-10-27 03:58:40,382 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 575 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=985, Invalid=1877, Unknown=0, NotChecked=0, Total=2862 [2020-10-27 03:58:40,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-10-27 03:58:40,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2020-10-27 03:58:40,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-10-27 03:58:40,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 88 transitions. [2020-10-27 03:58:40,387 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 88 transitions. Word has length 169 [2020-10-27 03:58:40,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:58:40,387 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 88 transitions. [2020-10-27 03:58:40,387 INFO L482 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-10-27 03:58:40,387 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 88 transitions. [2020-10-27 03:58:40,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-27 03:58:40,388 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:58:40,388 INFO L422 BasicCegarLoop]: trace histogram [24, 24, 23, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:58:40,389 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-27 03:58:40,389 INFO L429 AbstractCegarLoop]: === Iteration 27 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:58:40,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:58:40,389 INFO L82 PathProgramCache]: Analyzing trace with hash -149030959, now seen corresponding path program 23 times [2020-10-27 03:58:40,389 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:58:40,389 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [69959341] [2020-10-27 03:58:40,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:58:40,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:40,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:41,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:41,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 232 [2020-10-27 03:58:41,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:41,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1362 [2020-10-27 03:58:41,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:41,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 50 [2020-10-27 03:58:41,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 03:58:41,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 215 [2020-10-27 03:58:41,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:41,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:58:41,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:41,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:41,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:41,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:58:41,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:41,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:58:41,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:41,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:58:41,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:41,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:58:41,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:41,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:58:41,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:41,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:43,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:43,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-10-27 03:58:43,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:43,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1177 [2020-10-27 03:58:43,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:43,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 50 [2020-10-27 03:58:43,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:43,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 214 [2020-10-27 03:58:43,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:43,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:43,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:43,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:44,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:44,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-10-27 03:58:44,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:44,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1097 [2020-10-27 03:58:44,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:44,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 49 [2020-10-27 03:58:44,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:44,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 205 [2020-10-27 03:58:44,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:44,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:44,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:44,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:45,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:45,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-27 03:58:45,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:45,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 964 [2020-10-27 03:58:45,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:45,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 47 [2020-10-27 03:58:45,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:45,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 196 [2020-10-27 03:58:45,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:45,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:45,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:45,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:46,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:46,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-27 03:58:46,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:46,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1140 [2020-10-27 03:58:46,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:46,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-27 03:58:46,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:46,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 187 [2020-10-27 03:58:46,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:46,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:46,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:46,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:47,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:47,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-27 03:58:47,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:47,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 770 [2020-10-27 03:58:47,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:47,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-27 03:58:47,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:47,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-27 03:58:47,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:47,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:47,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:47,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:47,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:47,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-10-27 03:58:47,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:47,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 685 [2020-10-27 03:58:47,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:47,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-27 03:58:47,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:47,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-27 03:58:47,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:47,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:47,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:48,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:48,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:48,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-27 03:58:48,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:48,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 621 [2020-10-27 03:58:48,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:48,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-27 03:58:48,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:48,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-27 03:58:48,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:48,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:48,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:48,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:49,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:49,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-27 03:58:49,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:49,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 498 [2020-10-27 03:58:49,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:49,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-27 03:58:49,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:49,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-27 03:58:49,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:49,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:49,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:49,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:49,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:49,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-27 03:58:49,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:49,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 459 [2020-10-27 03:58:49,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:49,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-27 03:58:49,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:49,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-27 03:58:49,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:49,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:49,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:49,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:50,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:50,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-27 03:58:50,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:50,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 381 [2020-10-27 03:58:50,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:50,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-27 03:58:50,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:50,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-27 03:58:50,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:50,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:50,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:50,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:50,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:50,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-27 03:58:50,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:50,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 335 [2020-10-27 03:58:50,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:50,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-27 03:58:50,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:50,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-27 03:58:50,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:50,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:50,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:50,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:50,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:50,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-27 03:58:50,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:50,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 297 [2020-10-27 03:58:50,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:50,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-27 03:58:50,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:50,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-27 03:58:50,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:50,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:50,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:50,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:51,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:51,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-27 03:58:51,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:51,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 233 [2020-10-27 03:58:51,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:51,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-27 03:58:51,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:51,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-27 03:58:51,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:51,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:51,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:51,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:51,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:51,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-27 03:58:51,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:51,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 190 [2020-10-27 03:58:51,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:51,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-27 03:58:51,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:51,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-27 03:58:51,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:51,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:51,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:51,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:51,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:51,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-27 03:58:51,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:51,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 156 [2020-10-27 03:58:51,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:51,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-27 03:58:51,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:51,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-27 03:58:51,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:51,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:51,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:51,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:51,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:51,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 03:58:51,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:51,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-10-27 03:58:51,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:51,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 03:58:51,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:51,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-27 03:58:51,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:51,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:51,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:51,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:51,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:51,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-27 03:58:51,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:51,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-10-27 03:58:51,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:51,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 03:58:51,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:51,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-27 03:58:51,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:51,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:51,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:51,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:51,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:51,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-27 03:58:51,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:51,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-27 03:58:51,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:51,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 03:58:51,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:51,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 03:58:51,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:51,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:51,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:52,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:52,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:52,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 03:58:52,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:52,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-27 03:58:52,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:52,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 03:58:52,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:52,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-27 03:58:52,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:52,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:52,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:52,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:52,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:52,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 03:58:52,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:52,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-27 03:58:52,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:52,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 03:58:52,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:52,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 03:58:52,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:52,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:52,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:52,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:52,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:52,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-27 03:58:52,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:52,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 03:58:52,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:52,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 03:58:52,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:52,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-27 03:58:52,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:52,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:52,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:52,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:52,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:52,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 03:58:52,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:52,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 03:58:52,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:52,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 03:58:52,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:52,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 03:58:52,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:52,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:52,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:52,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:52,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:52,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:58:52,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:52,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 03:58:52,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:52,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:58:52,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:52,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 03:58:52,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:52,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:52,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:52,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:52,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:52,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:58:52,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:52,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:58:52,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:52,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:58:52,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:52,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:58:52,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:52,568 INFO L134 CoverageAnalysis]: Checked inductivity of 1863 backedges. 207 proven. 1006 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2020-10-27 03:58:52,568 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [69959341] [2020-10-27 03:58:52,568 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:58:52,568 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2020-10-27 03:58:52,568 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371479601] [2020-10-27 03:58:52,569 INFO L461 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-10-27 03:58:52,569 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:58:52,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-10-27 03:58:52,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=334, Invalid=536, Unknown=0, NotChecked=0, Total=870 [2020-10-27 03:58:52,570 INFO L87 Difference]: Start difference. First operand 87 states and 88 transitions. Second operand 30 states. [2020-10-27 03:58:54,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:58:54,149 INFO L93 Difference]: Finished difference Result 95 states and 96 transitions. [2020-10-27 03:58:54,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-27 03:58:54,150 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 176 [2020-10-27 03:58:54,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:58:54,151 INFO L225 Difference]: With dead ends: 95 [2020-10-27 03:58:54,151 INFO L226 Difference]: Without dead ends: 90 [2020-10-27 03:58:54,154 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 623 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=1063, Invalid=2017, Unknown=0, NotChecked=0, Total=3080 [2020-10-27 03:58:54,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2020-10-27 03:58:54,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2020-10-27 03:58:54,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-10-27 03:58:54,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 91 transitions. [2020-10-27 03:58:54,159 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 91 transitions. Word has length 176 [2020-10-27 03:58:54,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:58:54,159 INFO L481 AbstractCegarLoop]: Abstraction has 90 states and 91 transitions. [2020-10-27 03:58:54,159 INFO L482 AbstractCegarLoop]: Interpolant automaton has 30 states. [2020-10-27 03:58:54,159 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 91 transitions. [2020-10-27 03:58:54,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-10-27 03:58:54,160 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:58:54,161 INFO L422 BasicCegarLoop]: trace histogram [25, 25, 24, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:58:54,161 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-10-27 03:58:54,161 INFO L429 AbstractCegarLoop]: === Iteration 28 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:58:54,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:58:54,161 INFO L82 PathProgramCache]: Analyzing trace with hash -802373066, now seen corresponding path program 24 times [2020-10-27 03:58:54,162 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:58:54,162 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1208392876] [2020-10-27 03:58:54,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:58:54,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:54,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:55,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:55,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 241 [2020-10-27 03:58:55,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:55,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1451 [2020-10-27 03:58:55,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:55,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 52 [2020-10-27 03:58:55,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 03:58:55,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 224 [2020-10-27 03:58:55,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:55,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:58:55,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:55,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:55,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:55,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:58:55,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:55,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:58:55,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:55,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:58:55,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:55,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:58:55,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:55,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:58:55,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:55,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:56,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:56,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-27 03:58:56,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:56,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1215 [2020-10-27 03:58:56,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:56,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 52 [2020-10-27 03:58:56,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:56,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 223 [2020-10-27 03:58:56,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:56,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:56,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:57,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:58,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:58,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-10-27 03:58:58,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:58,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1172 [2020-10-27 03:58:58,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:58,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 51 [2020-10-27 03:58:58,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:58,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 214 [2020-10-27 03:58:58,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:58,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:58,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:58,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:59,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:59,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-10-27 03:58:59,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:59,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1072 [2020-10-27 03:58:59,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:59,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 49 [2020-10-27 03:58:59,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:59,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 205 [2020-10-27 03:58:59,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:59,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:59,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:59,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:00,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:00,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-27 03:59:00,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:00,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 968 [2020-10-27 03:59:00,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:00,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 47 [2020-10-27 03:59:00,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:00,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 196 [2020-10-27 03:59:00,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:00,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:00,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:00,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:01,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:01,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-27 03:59:01,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:01,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 852 [2020-10-27 03:59:01,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:01,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-27 03:59:01,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:01,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 187 [2020-10-27 03:59:01,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:01,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:01,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:01,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:02,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:02,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-27 03:59:02,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:02,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 790 [2020-10-27 03:59:02,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:02,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-27 03:59:02,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:02,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-27 03:59:02,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:02,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:02,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:02,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:02,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:02,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-10-27 03:59:02,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:02,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 673 [2020-10-27 03:59:02,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:02,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-27 03:59:02,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:02,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-27 03:59:02,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:02,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:02,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:02,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:03,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:03,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-27 03:59:03,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:03,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 643 [2020-10-27 03:59:03,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:03,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-27 03:59:03,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:03,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-27 03:59:03,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:03,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:03,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:03,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:04,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:04,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-27 03:59:04,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:04,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 511 [2020-10-27 03:59:04,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:04,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-27 03:59:04,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:04,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-27 03:59:04,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:04,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:04,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:04,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:04,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:04,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-27 03:59:04,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:04,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 461 [2020-10-27 03:59:04,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:04,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-27 03:59:04,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:04,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-27 03:59:04,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:04,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:04,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:04,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:05,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:05,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-27 03:59:05,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:05,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 620 [2020-10-27 03:59:05,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:05,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-27 03:59:05,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:05,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-27 03:59:05,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:05,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:05,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:05,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:05,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:05,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-27 03:59:05,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:05,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 375 [2020-10-27 03:59:05,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:05,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-27 03:59:05,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:05,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-27 03:59:05,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:05,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:05,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:05,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:06,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:06,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-27 03:59:06,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:06,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 308 [2020-10-27 03:59:06,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:06,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-27 03:59:06,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:06,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-27 03:59:06,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:06,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:06,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:06,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:06,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:06,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-27 03:59:06,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:06,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 247 [2020-10-27 03:59:06,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:06,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-27 03:59:06,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:06,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-27 03:59:06,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:06,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:06,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:06,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:06,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:06,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-27 03:59:06,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:06,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 210 [2020-10-27 03:59:06,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:06,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-27 03:59:06,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:06,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-27 03:59:06,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:06,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:06,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:06,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:06,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:06,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-27 03:59:06,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:06,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 180 [2020-10-27 03:59:06,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:06,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-27 03:59:06,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:06,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-27 03:59:06,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:06,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:06,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:06,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:06,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:07,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 03:59:07,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:07,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-10-27 03:59:07,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:07,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 03:59:07,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:07,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-27 03:59:07,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:07,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:07,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:07,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:07,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:07,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-27 03:59:07,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:07,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-27 03:59:07,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:07,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 03:59:07,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:07,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-27 03:59:07,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:07,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:07,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:07,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:07,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:07,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-27 03:59:07,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:07,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-27 03:59:07,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:07,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 03:59:07,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:07,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 03:59:07,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:07,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:07,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:07,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:07,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:07,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 03:59:07,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:07,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-27 03:59:07,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:07,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 03:59:07,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:07,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-27 03:59:07,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:07,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:07,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:07,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:07,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:07,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 03:59:07,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:07,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-27 03:59:07,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:07,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 03:59:07,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:07,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 03:59:07,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:07,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:07,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:07,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:07,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:07,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-27 03:59:07,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:07,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 03:59:07,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:07,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 03:59:07,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:07,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-27 03:59:07,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:07,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:07,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:07,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:07,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:07,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 03:59:07,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:07,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 03:59:07,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:07,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 03:59:07,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:07,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 03:59:07,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:07,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:07,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:07,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:07,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:07,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:59:07,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:07,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 03:59:07,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:07,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:59:07,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:07,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 03:59:07,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:07,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:07,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:07,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:07,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:07,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:59:07,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:07,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:59:07,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:07,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:59:07,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:07,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:59:07,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:07,957 INFO L134 CoverageAnalysis]: Checked inductivity of 2028 backedges. 126 proven. 1080 refuted. 0 times theorem prover too weak. 822 trivial. 0 not checked. [2020-10-27 03:59:07,957 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1208392876] [2020-10-27 03:59:07,957 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:59:07,957 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2020-10-27 03:59:07,958 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035253488] [2020-10-27 03:59:07,958 INFO L461 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-10-27 03:59:07,958 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:59:07,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-10-27 03:59:07,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=360, Invalid=570, Unknown=0, NotChecked=0, Total=930 [2020-10-27 03:59:07,959 INFO L87 Difference]: Start difference. First operand 90 states and 91 transitions. Second operand 31 states. [2020-10-27 03:59:09,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:59:09,633 INFO L93 Difference]: Finished difference Result 98 states and 99 transitions. [2020-10-27 03:59:09,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-27 03:59:09,635 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 183 [2020-10-27 03:59:09,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:59:09,636 INFO L225 Difference]: With dead ends: 98 [2020-10-27 03:59:09,637 INFO L226 Difference]: Without dead ends: 93 [2020-10-27 03:59:09,638 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 674 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1144, Invalid=2162, Unknown=0, NotChecked=0, Total=3306 [2020-10-27 03:59:09,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-10-27 03:59:09,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2020-10-27 03:59:09,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-10-27 03:59:09,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 94 transitions. [2020-10-27 03:59:09,644 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 94 transitions. Word has length 183 [2020-10-27 03:59:09,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:59:09,644 INFO L481 AbstractCegarLoop]: Abstraction has 93 states and 94 transitions. [2020-10-27 03:59:09,644 INFO L482 AbstractCegarLoop]: Interpolant automaton has 31 states. [2020-10-27 03:59:09,644 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 94 transitions. [2020-10-27 03:59:09,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-10-27 03:59:09,645 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:59:09,646 INFO L422 BasicCegarLoop]: trace histogram [26, 26, 25, 25, 25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:59:09,646 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-10-27 03:59:09,646 INFO L429 AbstractCegarLoop]: === Iteration 29 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:59:09,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:59:09,646 INFO L82 PathProgramCache]: Analyzing trace with hash 751035747, now seen corresponding path program 25 times [2020-10-27 03:59:09,646 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:59:09,647 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [376404463] [2020-10-27 03:59:09,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:59:09,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:09,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:11,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:11,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 250 [2020-10-27 03:59:11,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:11,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1576 [2020-10-27 03:59:11,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:11,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 54 [2020-10-27 03:59:11,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 03:59:11,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 233 [2020-10-27 03:59:11,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:11,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:59:11,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:11,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:11,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:11,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:59:11,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:11,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:59:11,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:11,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:59:11,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:11,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:59:11,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:11,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:59:11,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:11,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:12,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:12,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 234 [2020-10-27 03:59:12,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:12,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1329 [2020-10-27 03:59:12,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:12,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 54 [2020-10-27 03:59:12,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:12,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 232 [2020-10-27 03:59:12,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:12,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:12,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:12,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:13,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:13,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-27 03:59:13,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:13,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1272 [2020-10-27 03:59:13,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:13,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 53 [2020-10-27 03:59:13,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:13,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 223 [2020-10-27 03:59:13,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:14,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:14,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:14,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:15,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:15,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-10-27 03:59:15,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:15,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1195 [2020-10-27 03:59:15,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:15,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 51 [2020-10-27 03:59:15,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:15,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 214 [2020-10-27 03:59:15,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:15,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:15,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:15,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:16,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:16,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-10-27 03:59:16,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:16,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1047 [2020-10-27 03:59:16,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:16,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 49 [2020-10-27 03:59:16,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:16,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 205 [2020-10-27 03:59:16,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:16,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:16,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:16,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:17,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:17,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-27 03:59:17,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:17,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 986 [2020-10-27 03:59:17,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:17,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 47 [2020-10-27 03:59:17,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:17,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 196 [2020-10-27 03:59:17,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:17,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:17,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:17,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:18,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:18,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-27 03:59:18,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:18,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 926 [2020-10-27 03:59:18,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:18,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-27 03:59:18,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:18,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 187 [2020-10-27 03:59:18,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:18,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:18,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:18,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:19,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:19,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-27 03:59:19,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:19,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 845 [2020-10-27 03:59:19,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:19,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-27 03:59:19,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:19,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-27 03:59:19,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:19,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:19,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:19,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:20,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:20,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-10-27 03:59:20,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:20,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 752 [2020-10-27 03:59:20,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:20,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-27 03:59:20,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:20,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-27 03:59:20,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:20,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:20,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:20,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:20,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:20,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-27 03:59:20,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:20,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 679 [2020-10-27 03:59:20,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:20,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-27 03:59:20,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:20,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-27 03:59:20,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:20,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:20,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:20,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:21,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:21,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-27 03:59:21,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:21,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 535 [2020-10-27 03:59:21,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:21,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-27 03:59:21,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:21,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-27 03:59:21,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:21,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:21,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:21,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:21,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:21,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-27 03:59:21,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:21,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 487 [2020-10-27 03:59:21,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:21,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-27 03:59:21,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:21,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-27 03:59:21,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:21,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:21,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:22,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:22,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:22,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-27 03:59:22,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:22,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 656 [2020-10-27 03:59:22,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:22,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-27 03:59:22,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:22,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-27 03:59:22,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:22,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:22,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:22,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:23,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:23,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-27 03:59:23,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:23,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 388 [2020-10-27 03:59:23,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:23,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-27 03:59:23,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:23,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-27 03:59:23,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:23,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:23,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:23,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:23,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:23,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-27 03:59:23,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:23,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 267 [2020-10-27 03:59:23,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:23,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-27 03:59:23,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:23,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-27 03:59:23,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:23,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:23,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:23,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:23,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:23,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-27 03:59:23,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:23,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 234 [2020-10-27 03:59:23,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:23,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-27 03:59:23,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:23,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-27 03:59:23,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:23,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:23,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:23,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:23,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:23,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-27 03:59:23,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:23,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 198 [2020-10-27 03:59:23,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:23,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-27 03:59:23,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:23,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-27 03:59:23,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:23,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:23,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:23,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:24,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:24,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-27 03:59:24,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:24,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 196 [2020-10-27 03:59:24,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:24,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-27 03:59:24,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:24,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-27 03:59:24,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:24,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:24,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:24,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:24,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:24,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 03:59:24,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:24,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 136 [2020-10-27 03:59:24,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:24,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 03:59:24,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:24,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-27 03:59:24,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:24,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:24,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:24,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:24,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:24,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-27 03:59:24,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:24,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-27 03:59:24,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:24,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 03:59:24,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:24,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-27 03:59:24,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:24,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:24,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:24,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:24,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:24,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-27 03:59:24,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:24,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-27 03:59:24,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:24,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 03:59:24,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:24,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 03:59:24,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:24,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:24,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:24,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:24,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:24,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 03:59:24,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:24,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-27 03:59:24,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:24,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 03:59:24,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:24,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-27 03:59:24,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:24,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:24,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:24,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:24,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:24,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 03:59:24,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:24,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-27 03:59:24,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:24,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 03:59:24,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:24,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 03:59:24,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:24,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:24,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:24,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:24,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:24,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-27 03:59:24,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:24,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 03:59:24,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:24,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 03:59:24,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:24,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-27 03:59:24,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:24,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:24,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:24,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:24,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:24,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 03:59:24,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:24,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 03:59:24,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:24,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 03:59:24,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:24,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 03:59:24,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:24,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:24,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:25,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:25,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:25,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:59:25,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:25,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 03:59:25,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:25,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:59:25,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:25,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 03:59:25,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:25,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:25,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:25,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:25,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:25,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:59:25,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:25,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:59:25,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:25,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:59:25,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:25,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:59:25,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:59:25,343 INFO L134 CoverageAnalysis]: Checked inductivity of 2200 backedges. 195 proven. 1236 refuted. 0 times theorem prover too weak. 769 trivial. 0 not checked. [2020-10-27 03:59:25,343 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [376404463] [2020-10-27 03:59:25,343 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:59:25,343 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2020-10-27 03:59:25,343 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942652679] [2020-10-27 03:59:25,344 INFO L461 AbstractCegarLoop]: Interpolant automaton has 32 states [2020-10-27 03:59:25,344 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:59:25,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2020-10-27 03:59:25,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=387, Invalid=605, Unknown=0, NotChecked=0, Total=992 [2020-10-27 03:59:25,345 INFO L87 Difference]: Start difference. First operand 93 states and 94 transitions. Second operand 32 states. [2020-10-27 03:59:27,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:59:27,100 INFO L93 Difference]: Finished difference Result 101 states and 102 transitions. [2020-10-27 03:59:27,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-10-27 03:59:27,101 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 190 [2020-10-27 03:59:27,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:59:27,102 INFO L225 Difference]: With dead ends: 101 [2020-10-27 03:59:27,102 INFO L226 Difference]: Without dead ends: 96 [2020-10-27 03:59:27,104 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 727 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1228, Invalid=2312, Unknown=0, NotChecked=0, Total=3540 [2020-10-27 03:59:27,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2020-10-27 03:59:27,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2020-10-27 03:59:27,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-10-27 03:59:27,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 97 transitions. [2020-10-27 03:59:27,110 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 97 transitions. Word has length 190 [2020-10-27 03:59:27,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:59:27,111 INFO L481 AbstractCegarLoop]: Abstraction has 96 states and 97 transitions. [2020-10-27 03:59:27,111 INFO L482 AbstractCegarLoop]: Interpolant automaton has 32 states. [2020-10-27 03:59:27,111 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 97 transitions. [2020-10-27 03:59:27,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-10-27 03:59:27,112 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:59:27,113 INFO L422 BasicCegarLoop]: trace histogram [27, 27, 26, 26, 26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:59:27,113 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-10-27 03:59:27,113 INFO L429 AbstractCegarLoop]: === Iteration 30 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:59:27,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:59:27,113 INFO L82 PathProgramCache]: Analyzing trace with hash 422962980, now seen corresponding path program 26 times [2020-10-27 03:59:27,113 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:59:27,114 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [736956122] [2020-10-27 03:59:27,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:59:27,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:27,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:29,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:29,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 259 [2020-10-27 03:59:29,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:29,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2084 [2020-10-27 03:59:29,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:29,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 56 [2020-10-27 03:59:29,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 03:59:29,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 242 [2020-10-27 03:59:29,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:29,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:59:29,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:29,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:29,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:29,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:59:29,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:29,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:59:29,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:29,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:59:29,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:29,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:59:29,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:29,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:59:29,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:29,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:31,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:31,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-10-27 03:59:31,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:31,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1700 [2020-10-27 03:59:31,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:31,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 56 [2020-10-27 03:59:31,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:31,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 241 [2020-10-27 03:59:31,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:31,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:31,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:31,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:32,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:32,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 234 [2020-10-27 03:59:32,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:32,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1501 [2020-10-27 03:59:32,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:32,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 55 [2020-10-27 03:59:32,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:32,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 232 [2020-10-27 03:59:32,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:32,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:32,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:32,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:34,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:34,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-27 03:59:34,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:34,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1405 [2020-10-27 03:59:34,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:34,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 53 [2020-10-27 03:59:34,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:34,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 223 [2020-10-27 03:59:34,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:34,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:34,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:34,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:35,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:35,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-10-27 03:59:35,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:35,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1226 [2020-10-27 03:59:35,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:35,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 51 [2020-10-27 03:59:35,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:35,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 214 [2020-10-27 03:59:35,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:35,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:35,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:35,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:36,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:36,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-10-27 03:59:36,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:36,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1124 [2020-10-27 03:59:36,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:36,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 49 [2020-10-27 03:59:36,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:36,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 205 [2020-10-27 03:59:36,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:36,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:36,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:36,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:37,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:37,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-27 03:59:37,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:37,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1052 [2020-10-27 03:59:37,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:37,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 47 [2020-10-27 03:59:37,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:37,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 196 [2020-10-27 03:59:37,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:37,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:37,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:37,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:38,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:38,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-27 03:59:38,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:38,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 937 [2020-10-27 03:59:38,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:38,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-27 03:59:38,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:38,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 187 [2020-10-27 03:59:38,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:38,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:38,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:38,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:39,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:39,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-27 03:59:39,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:39,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1049 [2020-10-27 03:59:39,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:39,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-27 03:59:39,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:39,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-27 03:59:39,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:39,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:39,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:39,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:40,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:40,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-10-27 03:59:40,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:40,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 743 [2020-10-27 03:59:40,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:40,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-27 03:59:40,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:40,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-27 03:59:40,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:40,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:40,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:40,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:41,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:41,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-27 03:59:41,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:41,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 655 [2020-10-27 03:59:41,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:41,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-27 03:59:41,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:41,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-27 03:59:41,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:41,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:41,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:41,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:41,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:41,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-27 03:59:41,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:41,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 650 [2020-10-27 03:59:41,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:41,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-27 03:59:41,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:41,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-27 03:59:41,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:41,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:41,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:41,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:42,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:42,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-27 03:59:42,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:42,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 527 [2020-10-27 03:59:42,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:42,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-27 03:59:42,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:42,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-27 03:59:42,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:42,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:42,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:42,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:42,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:42,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-27 03:59:42,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:42,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 448 [2020-10-27 03:59:42,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:42,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-27 03:59:42,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:42,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-27 03:59:42,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:43,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:43,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:43,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:43,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:43,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-27 03:59:43,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:43,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 378 [2020-10-27 03:59:43,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:43,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-27 03:59:43,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:43,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-27 03:59:43,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:43,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:43,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:43,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:43,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:43,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-27 03:59:43,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:43,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 333 [2020-10-27 03:59:43,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:43,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-27 03:59:43,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:43,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-27 03:59:43,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:43,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:43,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:43,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:44,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:44,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-27 03:59:44,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:44,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 377 [2020-10-27 03:59:44,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:44,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-27 03:59:44,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:44,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-27 03:59:44,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:44,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:44,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:44,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:44,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:44,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-27 03:59:44,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:44,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 245 [2020-10-27 03:59:44,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:44,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-27 03:59:44,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:44,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-27 03:59:44,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:44,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:44,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:44,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:44,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:44,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-27 03:59:44,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:44,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 166 [2020-10-27 03:59:44,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:44,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-27 03:59:44,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:44,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-27 03:59:44,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:44,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:44,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:44,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:44,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:44,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 03:59:44,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:44,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 145 [2020-10-27 03:59:44,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:44,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 03:59:44,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:44,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-27 03:59:44,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:44,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:44,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:44,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:45,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:45,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-27 03:59:45,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:45,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-10-27 03:59:45,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:45,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 03:59:45,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:45,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-27 03:59:45,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:45,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:45,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:45,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:45,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:45,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-27 03:59:45,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:45,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-27 03:59:45,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:45,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 03:59:45,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:45,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 03:59:45,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:45,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:45,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:45,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:45,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:45,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 03:59:45,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:45,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-27 03:59:45,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:45,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 03:59:45,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:45,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-27 03:59:45,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:45,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:45,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:45,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:45,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:45,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 03:59:45,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:45,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-27 03:59:45,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:45,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 03:59:45,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:45,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 03:59:45,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:45,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:45,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:45,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:45,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:45,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-27 03:59:45,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:45,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-27 03:59:45,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:45,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 03:59:45,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:45,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-27 03:59:45,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:45,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:45,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:45,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:45,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:45,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 03:59:45,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:45,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 03:59:45,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:45,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 03:59:45,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:45,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 03:59:45,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:45,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:45,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:45,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:45,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:45,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:59:45,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:45,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 03:59:45,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:45,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:59:45,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:45,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 03:59:45,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:45,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:45,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:45,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:45,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:45,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:59:45,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:45,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:59:45,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:45,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:59:45,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:45,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:59:45,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:45,987 INFO L134 CoverageAnalysis]: Checked inductivity of 2379 backedges. 324 proven. 1209 refuted. 0 times theorem prover too weak. 846 trivial. 0 not checked. [2020-10-27 03:59:45,987 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [736956122] [2020-10-27 03:59:45,987 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:59:45,987 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2020-10-27 03:59:45,987 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651457805] [2020-10-27 03:59:45,988 INFO L461 AbstractCegarLoop]: Interpolant automaton has 33 states [2020-10-27 03:59:45,988 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:59:45,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2020-10-27 03:59:45,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=415, Invalid=641, Unknown=0, NotChecked=0, Total=1056 [2020-10-27 03:59:45,989 INFO L87 Difference]: Start difference. First operand 96 states and 97 transitions. Second operand 33 states. [2020-10-27 03:59:47,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:59:47,846 INFO L93 Difference]: Finished difference Result 104 states and 105 transitions. [2020-10-27 03:59:47,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-27 03:59:47,846 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 197 [2020-10-27 03:59:47,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:59:47,848 INFO L225 Difference]: With dead ends: 104 [2020-10-27 03:59:47,848 INFO L226 Difference]: Without dead ends: 99 [2020-10-27 03:59:47,851 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 782 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1315, Invalid=2467, Unknown=0, NotChecked=0, Total=3782 [2020-10-27 03:59:47,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2020-10-27 03:59:47,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2020-10-27 03:59:47,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-10-27 03:59:47,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 100 transitions. [2020-10-27 03:59:47,857 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 100 transitions. Word has length 197 [2020-10-27 03:59:47,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:59:47,857 INFO L481 AbstractCegarLoop]: Abstraction has 99 states and 100 transitions. [2020-10-27 03:59:47,857 INFO L482 AbstractCegarLoop]: Interpolant automaton has 33 states. [2020-10-27 03:59:47,857 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 100 transitions. [2020-10-27 03:59:47,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-27 03:59:47,858 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:59:47,858 INFO L422 BasicCegarLoop]: trace histogram [28, 28, 27, 27, 27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:59:47,859 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-10-27 03:59:47,859 INFO L429 AbstractCegarLoop]: === Iteration 31 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:59:47,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:59:47,859 INFO L82 PathProgramCache]: Analyzing trace with hash 85124597, now seen corresponding path program 27 times [2020-10-27 03:59:47,859 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:59:47,860 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [634399962] [2020-10-27 03:59:47,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:59:47,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:47,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:49,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:49,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 268 [2020-10-27 03:59:49,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:49,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2062 [2020-10-27 03:59:49,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:49,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 58 [2020-10-27 03:59:49,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 03:59:49,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 251 [2020-10-27 03:59:49,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:50,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:59:50,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:50,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:50,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:50,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:59:50,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:50,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:59:50,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:50,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:59:50,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:50,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:59:50,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:50,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:59:50,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:50,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:52,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:52,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-10-27 03:59:52,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:52,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2025 [2020-10-27 03:59:52,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:52,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 58 [2020-10-27 03:59:52,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:52,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 250 [2020-10-27 03:59:52,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:52,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:52,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:52,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:53,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:53,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-10-27 03:59:53,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:53,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1667 [2020-10-27 03:59:53,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:53,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 57 [2020-10-27 03:59:53,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:53,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 241 [2020-10-27 03:59:53,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:53,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:53,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:53,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:55,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:55,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 234 [2020-10-27 03:59:55,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:55,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1542 [2020-10-27 03:59:55,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:55,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 55 [2020-10-27 03:59:55,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:55,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 232 [2020-10-27 03:59:55,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:55,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:55,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:55,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:56,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:56,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-27 03:59:56,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:56,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1426 [2020-10-27 03:59:56,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:56,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 53 [2020-10-27 03:59:56,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:56,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 223 [2020-10-27 03:59:56,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:56,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:56,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:57,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:58,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:58,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-10-27 03:59:58,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:58,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1295 [2020-10-27 03:59:58,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:58,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 51 [2020-10-27 03:59:58,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:58,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 214 [2020-10-27 03:59:58,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:58,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:58,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:58,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:59,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:59,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-10-27 03:59:59,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:59,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1181 [2020-10-27 03:59:59,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:59,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 49 [2020-10-27 03:59:59,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:59,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 205 [2020-10-27 03:59:59,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:59,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:59,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:59,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:00,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:00,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-27 04:00:00,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:00:00,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1040 [2020-10-27 04:00:00,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:00,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 47 [2020-10-27 04:00:00,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:00:00,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 196 [2020-10-27 04:00:00,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:00,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:00:00,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:00,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:01,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:01,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-27 04:00:01,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:00:01,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 930 [2020-10-27 04:00:01,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:01,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-27 04:00:01,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:00:01,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 187 [2020-10-27 04:00:01,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:01,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:00:01,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:01,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:02,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:02,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-27 04:00:02,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:00:02,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 826 [2020-10-27 04:00:02,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:02,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-27 04:00:02,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:00:02,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-27 04:00:02,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:02,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:00:02,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:02,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:03,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:03,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-10-27 04:00:03,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:00:03,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 805 [2020-10-27 04:00:03,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:03,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-27 04:00:03,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:00:03,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-27 04:00:03,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:03,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:00:03,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:03,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:04,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:04,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-27 04:00:04,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:00:04,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 676 [2020-10-27 04:00:04,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:04,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-27 04:00:04,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:00:04,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-27 04:00:04,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:04,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:00:04,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:04,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:04,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:04,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-27 04:00:04,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:00:04,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 600 [2020-10-27 04:00:04,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:04,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-27 04:00:04,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:00:04,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-27 04:00:04,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:04,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:00:04,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:04,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:05,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:05,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-27 04:00:05,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:00:05,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 523 [2020-10-27 04:00:05,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:05,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-27 04:00:05,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:00:05,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-27 04:00:05,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:05,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:00:05,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:05,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:05,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:05,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-27 04:00:05,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:00:05,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 435 [2020-10-27 04:00:05,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:05,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-27 04:00:05,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:00:05,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-27 04:00:05,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:05,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:00:05,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:05,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:06,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:06,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-27 04:00:06,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:00:06,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 379 [2020-10-27 04:00:06,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:06,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-27 04:00:06,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:00:06,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-27 04:00:06,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:06,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:00:06,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:06,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:06,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:06,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-27 04:00:06,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:00:06,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 331 [2020-10-27 04:00:06,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:06,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-27 04:00:06,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:00:06,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-27 04:00:06,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:06,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:00:06,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:06,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:06,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:06,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-27 04:00:06,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:00:06,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 274 [2020-10-27 04:00:06,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:06,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-27 04:00:06,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:00:06,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-27 04:00:06,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:06,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:00:06,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:06,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:07,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:07,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-27 04:00:07,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:00:07,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 211 [2020-10-27 04:00:07,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:07,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-27 04:00:07,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:00:07,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-27 04:00:07,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:07,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:00:07,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:07,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:07,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:07,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-27 04:00:07,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:00:07,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 170 [2020-10-27 04:00:07,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:07,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-27 04:00:07,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:00:07,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-27 04:00:07,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:07,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:00:07,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:07,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:07,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:07,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 04:00:07,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:00:07,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 165 [2020-10-27 04:00:07,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:07,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 04:00:07,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:00:07,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-27 04:00:07,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:07,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:00:07,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:07,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:07,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:07,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-27 04:00:07,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:00:07,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-10-27 04:00:07,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:07,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 04:00:07,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:00:07,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-27 04:00:07,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:07,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:00:07,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:07,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:07,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:07,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-27 04:00:07,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:00:07,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-27 04:00:07,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:07,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 04:00:07,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:00:07,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 04:00:07,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:07,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:00:07,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:07,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:08,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:08,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 04:00:08,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:00:08,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-27 04:00:08,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:08,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 04:00:08,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:00:08,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-27 04:00:08,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:08,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:00:08,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:08,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:08,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:08,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:00:08,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:00:08,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-27 04:00:08,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:08,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 04:00:08,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:00:08,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 04:00:08,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 04:00:08,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:00:08,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:08,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:08,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:08,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-27 04:00:08,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:00:08,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 04:00:08,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:08,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 04:00:08,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:00:08,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-27 04:00:08,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:08,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:00:08,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:08,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:08,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:08,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:00:08,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:00:08,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 04:00:08,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:08,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 04:00:08,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:00:08,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:00:08,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:08,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:00:08,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:08,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:08,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:08,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 04:00:08,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:00:08,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 04:00:08,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:08,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:00:08,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:00:08,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 04:00:08,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:08,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:00:08,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:08,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:08,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:08,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:00:08,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:00:08,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:00:08,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:08,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:00:08,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:00:08,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:00:08,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:08,710 INFO L134 CoverageAnalysis]: Checked inductivity of 2565 backedges. 240 proven. 1331 refuted. 0 times theorem prover too weak. 994 trivial. 0 not checked. [2020-10-27 04:00:08,710 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [634399962] [2020-10-27 04:00:08,710 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:00:08,710 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2020-10-27 04:00:08,710 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389353471] [2020-10-27 04:00:08,711 INFO L461 AbstractCegarLoop]: Interpolant automaton has 34 states [2020-10-27 04:00:08,711 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:00:08,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2020-10-27 04:00:08,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=444, Invalid=678, Unknown=0, NotChecked=0, Total=1122 [2020-10-27 04:00:08,712 INFO L87 Difference]: Start difference. First operand 99 states and 100 transitions. Second operand 34 states. [2020-10-27 04:00:10,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:00:10,618 INFO L93 Difference]: Finished difference Result 107 states and 108 transitions. [2020-10-27 04:00:10,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-27 04:00:10,619 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 204 [2020-10-27 04:00:10,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:00:10,621 INFO L225 Difference]: With dead ends: 107 [2020-10-27 04:00:10,621 INFO L226 Difference]: Without dead ends: 102 [2020-10-27 04:00:10,624 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 839 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1405, Invalid=2627, Unknown=0, NotChecked=0, Total=4032 [2020-10-27 04:00:10,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2020-10-27 04:00:10,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2020-10-27 04:00:10,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-10-27 04:00:10,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 103 transitions. [2020-10-27 04:00:10,630 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 103 transitions. Word has length 204 [2020-10-27 04:00:10,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:00:10,630 INFO L481 AbstractCegarLoop]: Abstraction has 102 states and 103 transitions. [2020-10-27 04:00:10,630 INFO L482 AbstractCegarLoop]: Interpolant automaton has 34 states. [2020-10-27 04:00:10,630 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 103 transitions. [2020-10-27 04:00:10,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-10-27 04:00:10,631 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:00:10,632 INFO L422 BasicCegarLoop]: trace histogram [29, 29, 28, 28, 28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:00:10,632 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-10-27 04:00:10,632 INFO L429 AbstractCegarLoop]: === Iteration 32 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:00:10,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:00:10,632 INFO L82 PathProgramCache]: Analyzing trace with hash -2105833198, now seen corresponding path program 28 times [2020-10-27 04:00:10,632 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:00:10,633 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [492234712] [2020-10-27 04:00:10,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:00:10,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:10,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:12,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:12,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 277 [2020-10-27 04:00:12,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:00:12,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2202 [2020-10-27 04:00:12,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:12,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 60 [2020-10-27 04:00:12,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 04:00:12,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 260 [2020-10-27 04:00:12,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:12,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:00:12,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:12,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:12,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:12,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:00:12,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:00:12,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:00:12,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:12,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:00:12,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:00:12,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:00:12,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:12,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:00:12,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:12,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking...