/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/systemc/transmitter.03.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 01:11:29,959 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 01:11:29,968 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 01:11:30,028 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 01:11:30,029 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 01:11:30,035 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 01:11:30,038 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 01:11:30,042 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 01:11:30,046 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 01:11:30,054 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 01:11:30,055 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 01:11:30,057 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 01:11:30,057 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 01:11:30,061 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 01:11:30,065 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 01:11:30,067 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 01:11:30,068 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 01:11:30,073 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 01:11:30,093 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 01:11:30,100 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 01:11:30,104 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 01:11:30,105 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 01:11:30,107 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 01:11:30,108 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 01:11:30,115 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 01:11:30,119 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 01:11:30,120 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 01:11:30,121 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 01:11:30,123 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 01:11:30,124 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 01:11:30,125 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 01:11:30,126 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 01:11:30,127 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 01:11:30,128 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 01:11:30,130 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 01:11:30,130 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 01:11:30,131 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 01:11:30,131 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 01:11:30,132 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 01:11:30,133 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 01:11:30,134 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 01:11:30,140 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-28 01:11:30,189 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 01:11:30,190 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 01:11:30,195 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 01:11:30,195 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 01:11:30,196 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 01:11:30,197 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 01:11:30,197 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 01:11:30,197 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 01:11:30,197 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 01:11:30,197 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 01:11:30,199 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 01:11:30,199 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 01:11:30,200 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 01:11:30,200 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 01:11:30,200 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 01:11:30,200 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 01:11:30,201 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 01:11:30,201 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 01:11:30,201 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 01:11:30,201 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 01:11:30,202 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 01:11:30,202 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 01:11:30,204 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 01:11:30,204 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 01:11:30,204 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 01:11:30,205 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 01:11:30,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 01:11:30,205 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 01:11:30,205 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 01:11:30,205 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-28 01:11:30,667 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 01:11:30,712 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 01:11:30,718 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 01:11:30,720 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 01:11:30,720 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 01:11:30,721 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/transmitter.03.cil.c [2020-10-28 01:11:30,812 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3105f400b/c04b29dffc0b498da70bb8a4ba502f2a/FLAGb9b68d239 [2020-10-28 01:11:31,608 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 01:11:31,611 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/transmitter.03.cil.c [2020-10-28 01:11:31,629 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3105f400b/c04b29dffc0b498da70bb8a4ba502f2a/FLAGb9b68d239 [2020-10-28 01:11:31,893 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3105f400b/c04b29dffc0b498da70bb8a4ba502f2a [2020-10-28 01:11:31,896 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 01:11:31,906 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 01:11:31,911 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 01:11:31,912 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 01:11:31,916 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 01:11:31,917 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 01:11:31" (1/1) ... [2020-10-28 01:11:31,923 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51464909 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:11:31, skipping insertion in model container [2020-10-28 01:11:31,923 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 01:11:31" (1/1) ... [2020-10-28 01:11:31,932 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 01:11:31,994 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 01:11:32,254 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 01:11:32,267 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 01:11:32,325 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 01:11:32,360 INFO L208 MainTranslator]: Completed translation [2020-10-28 01:11:32,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:11:32 WrapperNode [2020-10-28 01:11:32,362 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 01:11:32,363 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 01:11:32,364 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 01:11:32,364 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 01:11:32,378 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:11:32" (1/1) ... [2020-10-28 01:11:32,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:11:32" (1/1) ... [2020-10-28 01:11:32,410 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:11:32" (1/1) ... [2020-10-28 01:11:32,411 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:11:32" (1/1) ... [2020-10-28 01:11:32,445 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:11:32" (1/1) ... [2020-10-28 01:11:32,475 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:11:32" (1/1) ... [2020-10-28 01:11:32,482 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:11:32" (1/1) ... [2020-10-28 01:11:32,490 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 01:11:32,491 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 01:11:32,491 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 01:11:32,491 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 01:11:32,493 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:11:32" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 01:11:32,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 01:11:32,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 01:11:32,595 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 01:11:32,595 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-28 01:11:32,595 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-28 01:11:32,596 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-28 01:11:32,596 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-28 01:11:32,596 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-10-28 01:11:32,596 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-28 01:11:32,597 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-28 01:11:32,597 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-28 01:11:32,597 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-10-28 01:11:32,597 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-28 01:11:32,597 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-28 01:11:32,597 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-28 01:11:32,598 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-28 01:11:32,598 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-28 01:11:32,598 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-28 01:11:32,598 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-28 01:11:32,598 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-28 01:11:32,599 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-28 01:11:32,599 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-28 01:11:32,599 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-28 01:11:32,599 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-28 01:11:32,600 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-28 01:11:32,600 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 01:11:32,600 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 01:11:32,600 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 01:11:32,601 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 01:11:32,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 01:11:32,601 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 01:11:32,601 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-28 01:11:32,602 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-28 01:11:32,602 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-28 01:11:32,602 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-28 01:11:32,602 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-10-28 01:11:32,602 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-28 01:11:32,603 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-28 01:11:32,603 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-28 01:11:32,603 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-28 01:11:32,603 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-10-28 01:11:32,604 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-28 01:11:32,604 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-28 01:11:32,604 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-28 01:11:32,604 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-28 01:11:32,605 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-28 01:11:32,605 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-28 01:11:32,605 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-28 01:11:32,605 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-28 01:11:32,606 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-28 01:11:32,606 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-28 01:11:32,606 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-28 01:11:32,606 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-28 01:11:32,606 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 01:11:32,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 01:11:32,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 01:11:32,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 01:11:32,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 01:11:32,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 01:11:32,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 01:11:33,645 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 01:11:33,645 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-10-28 01:11:33,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 01:11:33 BoogieIcfgContainer [2020-10-28 01:11:33,648 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 01:11:33,650 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 01:11:33,650 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 01:11:33,654 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 01:11:33,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 01:11:31" (1/3) ... [2020-10-28 01:11:33,655 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@421a8c1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 01:11:33, skipping insertion in model container [2020-10-28 01:11:33,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:11:32" (2/3) ... [2020-10-28 01:11:33,656 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@421a8c1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 01:11:33, skipping insertion in model container [2020-10-28 01:11:33,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 01:11:33" (3/3) ... [2020-10-28 01:11:33,658 INFO L111 eAbstractionObserver]: Analyzing ICFG transmitter.03.cil.c [2020-10-28 01:11:33,671 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 01:11:33,677 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 01:11:33,691 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 01:11:33,722 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 01:11:33,722 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 01:11:33,723 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 01:11:33,723 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 01:11:33,723 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 01:11:33,723 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 01:11:33,723 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 01:11:33,724 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 01:11:33,748 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states. [2020-10-28 01:11:33,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-10-28 01:11:33,763 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:11:33,764 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:11:33,765 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:11:33,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:11:33,772 INFO L82 PathProgramCache]: Analyzing trace with hash -1873321802, now seen corresponding path program 1 times [2020-10-28 01:11:33,782 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:11:33,783 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1216486827] [2020-10-28 01:11:33,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:11:34,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:34,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:34,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:34,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:34,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:35,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:35,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:35,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:35,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:35,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:35,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:36,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:39,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:39,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-28 01:11:39,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-28 01:11:39,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-28 01:11:39,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:39,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:11:39,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-28 01:11:39,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:11:39,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 01:11:39,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:11:39,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:39,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:39,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:39,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:11:39,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:39,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 01:11:39,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:39,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:11:39,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:39,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:11:39,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:39,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:11:39,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:39,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:39,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:39,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:11:39,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:39,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:11:39,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:39,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:11:39,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:39,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:11:39,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:39,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:11:39,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:39,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:39,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:39,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:11:39,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:39,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:11:39,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:39,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:11:39,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:39,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:11:39,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:39,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:11:39,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:39,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:39,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:39,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:11:39,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:39,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:11:39,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:39,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:11:39,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:39,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:11:39,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:39,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 01:11:39,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:39,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:39,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:39,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 01:11:39,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:39,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:11:39,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:39,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:11:39,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:39,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:11:39,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:39,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 01:11:39,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:39,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:39,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:39,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:39,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-28 01:11:39,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 01:11:39,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 225 [2020-10-28 01:11:39,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:39,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:11:39,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-28 01:11:39,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:11:39,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:39,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:11:39,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:39,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:39,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:39,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:11:39,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:39,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:11:39,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:39,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:11:39,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:39,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:11:39,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:39,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:11:39,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:39,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:39,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:39,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:11:39,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:39,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:11:39,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:39,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:11:39,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:39,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:11:39,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:11:39,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:11:39,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:39,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:39,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:39,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:11:39,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:39,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 01:11:39,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:39,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:11:39,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:39,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:11:39,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:39,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:11:39,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:39,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:39,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:39,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:11:39,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:39,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:11:39,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:39,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:11:39,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:11:39,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:11:39,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:39,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-28 01:11:39,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:39,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:39,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:39,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 01:11:39,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:39,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 01:11:39,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:39,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:11:39,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 01:11:39,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:11:39,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:39,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-28 01:11:39,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:39,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:39,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:39,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:11:39,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:39,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:11:39,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:39,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:11:39,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:11:39,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:11:39,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:39,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:11:39,800 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1216486827] [2020-10-28 01:11:39,802 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:11:39,802 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 01:11:39,803 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080826615] [2020-10-28 01:11:39,808 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 01:11:39,809 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:11:39,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 01:11:39,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-28 01:11:39,825 INFO L87 Difference]: Start difference. First operand 203 states. Second operand 10 states. [2020-10-28 01:11:41,063 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-28 01:11:43,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:11:43,730 INFO L93 Difference]: Finished difference Result 504 states and 791 transitions. [2020-10-28 01:11:43,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-28 01:11:43,732 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 106 [2020-10-28 01:11:43,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:11:43,764 INFO L225 Difference]: With dead ends: 504 [2020-10-28 01:11:43,765 INFO L226 Difference]: Without dead ends: 311 [2020-10-28 01:11:43,777 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-28 01:11:43,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2020-10-28 01:11:43,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 196. [2020-10-28 01:11:43,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2020-10-28 01:11:43,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 265 transitions. [2020-10-28 01:11:43,894 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 265 transitions. Word has length 106 [2020-10-28 01:11:43,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:11:43,895 INFO L481 AbstractCegarLoop]: Abstraction has 196 states and 265 transitions. [2020-10-28 01:11:43,895 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 01:11:43,895 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 265 transitions. [2020-10-28 01:11:43,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-10-28 01:11:43,899 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:11:43,899 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:11:43,899 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 01:11:43,899 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:11:43,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:11:43,900 INFO L82 PathProgramCache]: Analyzing trace with hash 54950900, now seen corresponding path program 1 times [2020-10-28 01:11:43,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:11:43,901 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [79121131] [2020-10-28 01:11:43,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:11:43,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:43,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:44,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:44,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:44,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:44,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:44,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:44,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:44,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:44,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:44,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:47,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:47,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:48,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:48,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:48,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:48,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-28 01:11:48,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-28 01:11:48,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-28 01:11:48,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:48,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:11:48,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-28 01:11:48,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:11:48,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:49,080 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-28 01:11:49,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:11:49,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:49,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:49,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:49,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:11:49,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:49,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 01:11:49,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:49,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:11:49,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:49,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:11:49,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:49,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:11:49,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:49,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:49,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:49,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:11:49,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:49,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:11:49,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:49,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:11:49,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:49,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:11:49,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:49,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:11:49,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:49,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:49,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:49,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:11:49,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:49,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:11:49,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:49,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:11:49,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:49,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:11:49,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:49,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:11:49,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:49,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:49,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:49,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:11:49,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:49,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:11:49,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:49,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:11:49,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:49,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:11:49,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:49,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 01:11:49,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:49,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:49,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:49,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 01:11:49,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:49,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:11:49,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:49,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:11:49,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:49,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:11:49,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:49,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 01:11:49,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:49,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:49,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:49,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:49,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-28 01:11:49,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 01:11:49,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-28 01:11:49,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:49,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:11:49,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:11:49,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:11:49,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:49,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:11:49,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:49,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:49,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:49,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:11:49,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:49,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 01:11:49,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:49,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:11:49,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:49,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:11:49,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:49,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:11:49,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:49,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:49,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:49,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:11:49,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:49,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:11:49,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:49,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:11:49,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:11:49,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:11:49,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:49,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:11:49,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:49,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:49,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:49,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:11:49,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:49,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:11:49,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:49,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:11:49,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:11:49,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:11:49,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:49,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:11:49,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:49,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:49,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:49,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:11:49,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:49,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:11:49,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:49,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:11:49,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:11:49,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:11:49,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:49,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-28 01:11:49,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:49,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:49,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:49,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 01:11:49,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:49,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:11:49,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:49,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:11:49,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:49,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:11:49,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:49,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-28 01:11:49,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:49,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:49,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:49,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:11:49,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:49,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:11:49,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:49,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:11:49,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:49,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 01:11:49,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:49,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:11:49,467 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [79121131] [2020-10-28 01:11:49,467 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:11:49,467 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-28 01:11:49,467 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260365050] [2020-10-28 01:11:49,469 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 01:11:49,470 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:11:49,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 01:11:49,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-28 01:11:49,471 INFO L87 Difference]: Start difference. First operand 196 states and 265 transitions. Second operand 11 states. [2020-10-28 01:11:50,350 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-28 01:11:51,216 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-28 01:11:55,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:11:55,265 INFO L93 Difference]: Finished difference Result 779 states and 1211 transitions. [2020-10-28 01:11:55,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-28 01:11:55,266 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 106 [2020-10-28 01:11:55,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:11:55,280 INFO L225 Difference]: With dead ends: 779 [2020-10-28 01:11:55,281 INFO L226 Difference]: Without dead ends: 605 [2020-10-28 01:11:55,286 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=192, Invalid=564, Unknown=0, NotChecked=0, Total=756 [2020-10-28 01:11:55,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2020-10-28 01:11:55,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 425. [2020-10-28 01:11:55,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 425 states. [2020-10-28 01:11:55,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 604 transitions. [2020-10-28 01:11:55,429 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 604 transitions. Word has length 106 [2020-10-28 01:11:55,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:11:55,432 INFO L481 AbstractCegarLoop]: Abstraction has 425 states and 604 transitions. [2020-10-28 01:11:55,432 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 01:11:55,433 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 604 transitions. [2020-10-28 01:11:55,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-10-28 01:11:55,445 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:11:55,446 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:11:55,446 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 01:11:55,447 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:11:55,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:11:55,447 INFO L82 PathProgramCache]: Analyzing trace with hash -258291125, now seen corresponding path program 1 times [2020-10-28 01:11:55,448 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:11:55,449 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1459338960] [2020-10-28 01:11:55,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:11:55,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:55,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:55,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:55,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:55,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:56,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:56,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:56,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:56,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:56,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:56,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:58,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:58,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:00,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:00,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-28 01:12:00,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-28 01:12:00,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-28 01:12:00,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:00,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:12:00,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-10-28 01:12:00,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-28 01:12:00,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 01:12:00,649 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-28 01:12:00,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:12:00,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:00,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:00,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:00,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:12:00,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:00,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 01:12:00,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:00,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:00,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:00,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:00,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:00,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:12:00,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:00,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:00,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:00,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:12:00,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:00,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:12:00,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:00,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:00,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:00,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:00,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:00,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:12:00,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:00,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:00,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:00,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:12:00,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:00,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:12:00,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:00,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:00,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:00,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:00,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:00,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:12:00,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:00,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:00,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:00,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:12:00,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:00,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:12:00,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:00,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:00,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:00,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:00,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:00,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 01:12:00,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:00,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:00,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:00,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 01:12:00,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:00,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:12:00,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:00,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:00,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:00,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:00,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:00,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 01:12:00,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:00,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:00,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:00,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-28 01:12:00,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:00,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 01:12:00,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:00,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:12:00,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:00,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 01:12:00,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:00,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:12:00,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:00,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:00,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:00,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:12:00,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:00,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:12:00,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:00,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:00,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:00,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:00,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:00,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:12:00,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:00,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:00,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:00,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:12:00,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:00,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:12:00,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:00,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:00,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:00,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:00,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:00,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:12:00,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:00,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:00,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:00,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:12:00,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:00,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:12:00,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:00,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:12:00,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:00,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:12:00,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:00,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:12:00,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:00,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:00,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:00,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:12:00,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:00,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:12:00,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:00,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:12:00,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:00,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:12:00,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:00,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-28 01:12:00,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:00,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:00,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:00,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 01:12:00,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:00,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 01:12:00,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:00,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:12:00,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:00,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 01:12:00,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:00,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-28 01:12:00,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:00,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:00,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:00,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:12:00,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:00,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:12:00,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:00,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:12:00,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:00,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:12:00,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:00,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:12:00,841 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1459338960] [2020-10-28 01:12:00,841 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:12:00,841 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-28 01:12:00,841 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835333537] [2020-10-28 01:12:00,842 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 01:12:00,842 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:12:00,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 01:12:00,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 01:12:00,843 INFO L87 Difference]: Start difference. First operand 425 states and 604 transitions. Second operand 7 states. [2020-10-28 01:12:04,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:12:04,653 INFO L93 Difference]: Finished difference Result 1541 states and 2447 transitions. [2020-10-28 01:12:04,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 01:12:04,655 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 107 [2020-10-28 01:12:04,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:12:04,665 INFO L225 Difference]: With dead ends: 1541 [2020-10-28 01:12:04,665 INFO L226 Difference]: Without dead ends: 1147 [2020-10-28 01:12:04,668 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-10-28 01:12:04,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1147 states. [2020-10-28 01:12:04,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1147 to 828. [2020-10-28 01:12:04,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 828 states. [2020-10-28 01:12:04,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 828 states and 1222 transitions. [2020-10-28 01:12:04,819 INFO L78 Accepts]: Start accepts. Automaton has 828 states and 1222 transitions. Word has length 107 [2020-10-28 01:12:04,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:12:04,822 INFO L481 AbstractCegarLoop]: Abstraction has 828 states and 1222 transitions. [2020-10-28 01:12:04,822 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 01:12:04,822 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1222 transitions. [2020-10-28 01:12:04,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-10-28 01:12:04,828 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:12:04,828 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:12:04,828 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 01:12:04,829 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:12:04,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:12:04,829 INFO L82 PathProgramCache]: Analyzing trace with hash 1659446855, now seen corresponding path program 1 times [2020-10-28 01:12:04,829 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:12:04,831 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1209885381] [2020-10-28 01:12:04,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:12:04,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:04,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:04,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:04,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:04,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:05,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:05,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:05,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:05,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:05,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:05,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:05,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:06,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:09,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:09,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-28 01:12:09,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-28 01:12:09,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-28 01:12:09,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:09,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:12:09,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-28 01:12:09,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:12:09,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:09,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:12:09,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:09,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:09,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:09,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:12:09,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:09,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:12:09,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:09,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:09,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:09,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:09,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:09,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:12:09,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:09,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:09,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:09,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:12:09,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:09,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:12:09,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:09,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:09,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:09,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:09,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:09,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:12:09,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:09,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:09,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:09,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:12:09,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:09,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:12:09,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:10,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:10,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:10,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:10,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:10,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:12:10,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:10,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:10,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:10,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:12:10,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:10,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:12:10,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:10,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:10,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:10,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:10,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:10,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 01:12:10,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:10,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:10,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:10,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 01:12:10,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:10,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:12:10,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:10,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:10,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:10,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:10,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:10,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 01:12:10,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:10,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:10,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:10,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-28 01:12:10,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:10,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 01:12:10,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:10,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:12:10,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-28 01:12:10,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:12:10,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:10,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:12:10,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:10,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:10,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:10,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:12:10,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:10,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:12:10,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:10,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:10,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:10,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:10,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:10,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:12:10,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:10,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:10,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:10,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:12:10,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:10,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 01:12:10,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:10,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:12:10,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:10,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:12:10,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:10,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:12:10,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:10,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:10,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:10,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:12:10,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:10,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:12:10,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:10,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:10,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:12:10,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:10,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:12:10,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:12:10,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:10,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:10,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:10,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:12:10,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:10,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:12:10,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:10,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:10,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:12:10,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:10,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:10,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-28 01:12:10,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:10,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:10,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:10,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 01:12:10,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:10,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:12:10,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:10,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:10,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 01:12:10,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:10,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:10,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-28 01:12:10,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:10,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:10,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:10,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:12:10,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:10,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:12:10,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:10,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:10,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:12:10,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:10,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:10,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:12:10,203 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1209885381] [2020-10-28 01:12:10,203 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:12:10,203 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 01:12:10,204 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276537485] [2020-10-28 01:12:10,204 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 01:12:10,204 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:12:10,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 01:12:10,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-28 01:12:10,206 INFO L87 Difference]: Start difference. First operand 828 states and 1222 transitions. Second operand 10 states. [2020-10-28 01:12:10,965 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-28 01:12:11,344 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-28 01:12:13,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:12:13,709 INFO L93 Difference]: Finished difference Result 2010 states and 3319 transitions. [2020-10-28 01:12:13,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 01:12:13,710 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 107 [2020-10-28 01:12:13,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:12:13,722 INFO L225 Difference]: With dead ends: 2010 [2020-10-28 01:12:13,722 INFO L226 Difference]: Without dead ends: 1223 [2020-10-28 01:12:13,729 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-28 01:12:13,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1223 states. [2020-10-28 01:12:13,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1223 to 850. [2020-10-28 01:12:13,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 850 states. [2020-10-28 01:12:13,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 850 states and 1248 transitions. [2020-10-28 01:12:13,846 INFO L78 Accepts]: Start accepts. Automaton has 850 states and 1248 transitions. Word has length 107 [2020-10-28 01:12:13,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:12:13,846 INFO L481 AbstractCegarLoop]: Abstraction has 850 states and 1248 transitions. [2020-10-28 01:12:13,846 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 01:12:13,847 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1248 transitions. [2020-10-28 01:12:13,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-10-28 01:12:13,850 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:12:13,850 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:12:13,851 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 01:12:13,851 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:12:13,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:12:13,852 INFO L82 PathProgramCache]: Analyzing trace with hash -815794522, now seen corresponding path program 1 times [2020-10-28 01:12:13,852 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:12:13,852 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1003494877] [2020-10-28 01:12:13,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:12:13,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:13,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:13,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:13,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:14,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:14,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:14,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:14,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:14,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:14,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:14,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:15,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:18,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:18,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-28 01:12:18,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-28 01:12:18,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-28 01:12:18,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:18,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:12:18,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-10-28 01:12:18,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-28 01:12:18,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:18,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:12:18,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:18,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:19,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:19,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:12:19,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:19,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 01:12:19,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:19,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:19,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:19,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:19,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:19,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:12:19,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:19,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:19,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:19,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:12:19,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:19,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:12:19,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:19,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:19,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:19,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:19,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:19,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:12:19,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:19,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:19,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:19,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:12:19,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:19,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:12:19,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:19,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:19,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:19,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:19,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:19,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:12:19,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:19,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:19,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:19,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:12:19,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:19,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:12:19,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:19,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:19,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:19,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:19,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:19,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 01:12:19,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:19,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:19,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:19,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 01:12:19,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:19,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:12:19,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:19,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:12:19,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:19,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 01:12:19,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:19,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 01:12:19,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:19,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:19,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:19,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-28 01:12:19,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:19,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 01:12:19,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:19,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:12:19,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:19,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-28 01:12:19,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:19,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:12:19,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:19,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:19,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:19,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:12:19,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:19,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:12:19,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:19,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:19,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:19,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:19,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:19,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:12:19,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:19,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:19,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:19,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:12:19,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:19,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:12:19,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:19,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:19,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:19,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:19,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:19,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:12:19,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:19,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:19,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:19,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:12:19,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:19,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:12:19,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:19,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:19,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:19,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:19,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:12:19,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:12:19,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:19,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:19,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:19,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:12:19,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:19,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:12:19,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:19,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:19,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:19,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:19,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:19,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-28 01:12:19,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:19,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:19,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:19,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 01:12:19,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:19,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 01:12:19,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:19,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:12:19,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 01:12:19,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-28 01:12:19,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:19,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-28 01:12:19,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:19,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:19,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:19,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:12:19,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:19,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:12:19,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:19,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:19,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:12:19,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:19,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:19,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:12:19,216 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1003494877] [2020-10-28 01:12:19,216 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:12:19,216 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 01:12:19,216 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334250540] [2020-10-28 01:12:19,218 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 01:12:19,218 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:12:19,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 01:12:19,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 01:12:19,219 INFO L87 Difference]: Start difference. First operand 850 states and 1248 transitions. Second operand 8 states. [2020-10-28 01:12:19,776 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-28 01:12:19,947 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-28 01:12:25,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:12:25,281 INFO L93 Difference]: Finished difference Result 3516 states and 5896 transitions. [2020-10-28 01:12:25,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-28 01:12:25,281 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 107 [2020-10-28 01:12:25,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:12:25,307 INFO L225 Difference]: With dead ends: 3516 [2020-10-28 01:12:25,307 INFO L226 Difference]: Without dead ends: 2707 [2020-10-28 01:12:25,317 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2020-10-28 01:12:25,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2707 states. [2020-10-28 01:12:25,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2707 to 2256. [2020-10-28 01:12:25,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2256 states. [2020-10-28 01:12:25,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2256 states to 2256 states and 3480 transitions. [2020-10-28 01:12:25,607 INFO L78 Accepts]: Start accepts. Automaton has 2256 states and 3480 transitions. Word has length 107 [2020-10-28 01:12:25,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:12:25,608 INFO L481 AbstractCegarLoop]: Abstraction has 2256 states and 3480 transitions. [2020-10-28 01:12:25,608 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 01:12:25,608 INFO L276 IsEmpty]: Start isEmpty. Operand 2256 states and 3480 transitions. [2020-10-28 01:12:25,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-10-28 01:12:25,617 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:12:25,617 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:12:25,617 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 01:12:25,618 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:12:25,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:12:25,618 INFO L82 PathProgramCache]: Analyzing trace with hash 1428188776, now seen corresponding path program 1 times [2020-10-28 01:12:25,619 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:12:25,619 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1899604542] [2020-10-28 01:12:25,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:12:25,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:25,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:25,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:25,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:25,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:25,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:25,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:25,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:25,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:25,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:26,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:30,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:30,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:30,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-28 01:12:30,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-28 01:12:30,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 01:12:30,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:30,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 01:12:30,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-28 01:12:30,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-28 01:12:30,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:30,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:12:30,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:30,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:30,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:30,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:12:30,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:30,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:12:30,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:30,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:30,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:30,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:30,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:30,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:12:30,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:30,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:30,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:30,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:12:30,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:30,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:12:30,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:30,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:30,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:30,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:30,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:30,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:12:30,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:30,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:30,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:30,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:12:30,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:30,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:12:30,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:30,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:30,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:30,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:30,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:30,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:12:30,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:30,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:30,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:30,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:12:30,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:30,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:12:30,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:30,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:12:30,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:30,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 01:12:30,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:30,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 01:12:30,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:30,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:30,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:30,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 01:12:30,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:30,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 01:12:30,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:30,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:12:30,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:30,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 01:12:30,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:30,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 01:12:30,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:30,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:30,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:30,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-28 01:12:30,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:30,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 01:12:30,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:30,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:12:30,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 01:12:30,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-28 01:12:30,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:30,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:12:30,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:30,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:31,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:31,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:12:31,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:31,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 01:12:31,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:31,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:12:31,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:31,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:12:31,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:31,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:12:31,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:31,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:31,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:31,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:12:31,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:31,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 01:12:31,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:31,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:12:31,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:31,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:12:31,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:31,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:12:31,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:31,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:31,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:31,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:12:31,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:31,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 01:12:31,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:31,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:12:31,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:31,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:12:31,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:31,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:12:31,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:31,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:31,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:31,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:12:31,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:31,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:12:31,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:31,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:12:31,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:31,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:12:31,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:31,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-28 01:12:31,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:31,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:31,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:31,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 01:12:31,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:31,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:12:31,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:31,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:12:31,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:31,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 01:12:31,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:31,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-28 01:12:31,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:31,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:31,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:31,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:12:31,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:31,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:12:31,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:31,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:12:31,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:31,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:12:31,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:31,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:12:31,104 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1899604542] [2020-10-28 01:12:31,105 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:12:31,106 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 01:12:31,106 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469199198] [2020-10-28 01:12:31,106 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 01:12:31,106 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:12:31,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 01:12:31,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-28 01:12:31,107 INFO L87 Difference]: Start difference. First operand 2256 states and 3480 transitions. Second operand 8 states. [2020-10-28 01:12:31,292 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-28 01:12:36,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:12:36,045 INFO L93 Difference]: Finished difference Result 7427 states and 12419 transitions. [2020-10-28 01:12:36,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-28 01:12:36,047 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 107 [2020-10-28 01:12:36,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:12:36,099 INFO L225 Difference]: With dead ends: 7427 [2020-10-28 01:12:36,099 INFO L226 Difference]: Without dead ends: 5236 [2020-10-28 01:12:36,116 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2020-10-28 01:12:36,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5236 states. [2020-10-28 01:12:36,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5236 to 4575. [2020-10-28 01:12:36,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4575 states. [2020-10-28 01:12:36,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4575 states to 4575 states and 7644 transitions. [2020-10-28 01:12:36,872 INFO L78 Accepts]: Start accepts. Automaton has 4575 states and 7644 transitions. Word has length 107 [2020-10-28 01:12:36,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:12:36,873 INFO L481 AbstractCegarLoop]: Abstraction has 4575 states and 7644 transitions. [2020-10-28 01:12:36,873 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 01:12:36,873 INFO L276 IsEmpty]: Start isEmpty. Operand 4575 states and 7644 transitions. [2020-10-28 01:12:36,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-10-28 01:12:36,889 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:12:36,890 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:12:36,890 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 01:12:36,890 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:12:36,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:12:36,891 INFO L82 PathProgramCache]: Analyzing trace with hash 657455210, now seen corresponding path program 1 times [2020-10-28 01:12:36,891 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:12:36,891 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [690013229] [2020-10-28 01:12:36,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:12:36,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:36,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:36,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:36,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:37,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:37,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:37,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:37,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:37,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:37,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:37,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:39,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:39,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:41,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:41,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-28 01:12:41,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-28 01:12:41,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 01:12:41,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:41,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:12:41,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 01:12:41,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-28 01:12:41,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:42,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:12:42,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:42,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:42,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:42,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:12:42,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:42,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:12:42,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:42,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:42,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:42,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:42,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:12:42,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:12:42,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:42,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:42,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:42,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:12:42,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:42,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:12:42,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:42,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:12:42,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:42,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 01:12:42,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:42,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:12:42,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:42,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:42,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:42,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:12:42,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:42,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:12:42,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:42,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:12:42,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:42,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 01:12:42,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:42,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:12:42,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:42,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:42,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:42,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:12:42,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:42,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:12:42,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:42,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:12:42,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-28 01:12:42,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 01:12:42,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:42,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 01:12:42,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:42,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:42,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:42,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 01:12:42,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:42,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:12:42,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:42,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:42,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 01:12:42,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:42,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:42,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 01:12:42,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:42,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:42,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:42,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-28 01:12:42,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:42,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:12:42,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:42,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:42,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-10-28 01:12:42,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:42,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:42,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:12:42,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:42,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:42,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:42,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:12:42,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:42,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:12:42,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:42,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:42,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:42,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:42,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:12:42,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:12:42,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:42,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:42,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:42,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:12:42,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:42,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:12:42,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:42,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:42,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:42,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:42,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:12:42,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:12:42,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:42,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:42,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:42,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:12:42,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:42,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:12:42,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:42,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:42,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:42,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:42,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:12:42,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:12:42,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:42,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:42,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:42,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:12:42,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:42,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:12:42,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:42,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:42,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:42,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:42,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:42,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-28 01:12:42,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:42,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:42,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:42,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 01:12:42,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:42,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:12:42,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:42,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:42,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 01:12:42,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:42,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:42,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-28 01:12:42,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:42,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:42,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:42,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:12:42,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:42,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:12:42,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:42,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:42,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:12:42,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:42,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:42,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:12:42,250 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [690013229] [2020-10-28 01:12:42,250 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:12:42,250 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 01:12:42,250 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901656618] [2020-10-28 01:12:42,251 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 01:12:42,251 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:12:42,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 01:12:42,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 01:12:42,252 INFO L87 Difference]: Start difference. First operand 4575 states and 7644 transitions. Second operand 8 states. [2020-10-28 01:12:42,408 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-28 01:12:45,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:12:45,015 INFO L93 Difference]: Finished difference Result 9669 states and 16081 transitions. [2020-10-28 01:12:45,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 01:12:45,016 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 107 [2020-10-28 01:12:45,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:12:45,060 INFO L225 Difference]: With dead ends: 9669 [2020-10-28 01:12:45,060 INFO L226 Difference]: Without dead ends: 5143 [2020-10-28 01:12:45,091 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2020-10-28 01:12:45,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5143 states. [2020-10-28 01:12:45,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5143 to 4503. [2020-10-28 01:12:45,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4503 states. [2020-10-28 01:12:45,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4503 states to 4503 states and 7359 transitions. [2020-10-28 01:12:45,798 INFO L78 Accepts]: Start accepts. Automaton has 4503 states and 7359 transitions. Word has length 107 [2020-10-28 01:12:45,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:12:45,799 INFO L481 AbstractCegarLoop]: Abstraction has 4503 states and 7359 transitions. [2020-10-28 01:12:45,799 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 01:12:45,799 INFO L276 IsEmpty]: Start isEmpty. Operand 4503 states and 7359 transitions. [2020-10-28 01:12:45,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-10-28 01:12:45,808 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:12:45,808 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:12:45,808 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 01:12:45,809 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:12:45,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:12:45,809 INFO L82 PathProgramCache]: Analyzing trace with hash 1932156824, now seen corresponding path program 1 times [2020-10-28 01:12:45,809 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:12:45,809 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [809555881] [2020-10-28 01:12:45,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:12:45,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:45,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:45,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:45,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:45,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:45,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:46,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:46,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:46,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:46,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:46,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:46,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:46,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:49,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:50,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:50,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:50,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-28 01:12:50,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-28 01:12:50,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-28 01:12:50,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:50,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:12:50,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 57 [2020-10-28 01:12:50,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:12:50,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:50,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:12:50,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:50,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:50,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:50,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:12:50,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:50,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:12:50,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:50,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:50,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:50,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:50,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:50,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:12:50,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:50,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:50,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:50,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:12:50,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:50,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:12:50,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:50,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:50,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:50,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:50,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:12:50,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:12:50,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:50,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:50,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:50,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:12:50,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:50,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:12:50,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:50,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:50,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:50,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:50,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:12:51,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:12:51,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:51,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:51,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:51,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:12:51,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:51,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:12:51,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:51,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:51,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:51,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:51,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:12:51,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 01:12:51,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:51,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:51,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:51,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 01:12:51,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:51,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:12:51,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:51,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:51,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:51,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:51,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:51,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 01:12:51,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:51,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:51,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:51,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-28 01:12:51,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:51,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-28 01:12:51,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:51,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:12:51,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:12:51,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:12:51,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:51,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:12:51,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:51,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:51,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:51,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:12:51,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:51,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:12:51,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:51,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:12:51,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:51,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:12:51,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:12:51,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:12:51,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:51,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:51,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:51,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:12:51,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:51,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:12:51,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:51,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:51,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:12:51,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:51,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:12:51,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:12:51,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:51,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:51,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:51,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:12:51,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:51,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:12:51,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:51,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:51,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:12:51,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:51,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:51,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:12:51,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:51,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:51,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:51,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:12:51,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:51,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:12:51,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:51,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:51,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:12:51,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:51,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:51,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-28 01:12:51,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:51,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:51,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:51,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 01:12:51,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:51,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:12:51,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:51,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:51,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 01:12:51,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:51,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:12:51,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-28 01:12:51,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:51,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:51,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:51,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:12:51,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:51,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:12:51,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:51,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:51,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:12:51,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:51,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:12:51,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:12:51,243 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [809555881] [2020-10-28 01:12:51,244 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:12:51,244 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 01:12:51,244 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006977213] [2020-10-28 01:12:51,245 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 01:12:51,245 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:12:51,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 01:12:51,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-28 01:12:51,255 INFO L87 Difference]: Start difference. First operand 4503 states and 7359 transitions. Second operand 10 states. [2020-10-28 01:12:55,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:12:55,064 INFO L93 Difference]: Finished difference Result 8999 states and 14886 transitions. [2020-10-28 01:12:55,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 01:12:55,065 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 108 [2020-10-28 01:12:55,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:12:55,106 INFO L225 Difference]: With dead ends: 8999 [2020-10-28 01:12:55,106 INFO L226 Difference]: Without dead ends: 5147 [2020-10-28 01:12:55,133 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2020-10-28 01:12:55,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5147 states. [2020-10-28 01:12:55,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5147 to 4524. [2020-10-28 01:12:55,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4524 states. [2020-10-28 01:12:55,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4524 states to 4524 states and 7302 transitions. [2020-10-28 01:12:55,790 INFO L78 Accepts]: Start accepts. Automaton has 4524 states and 7302 transitions. Word has length 108 [2020-10-28 01:12:55,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:12:55,791 INFO L481 AbstractCegarLoop]: Abstraction has 4524 states and 7302 transitions. [2020-10-28 01:12:55,791 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 01:12:55,791 INFO L276 IsEmpty]: Start isEmpty. Operand 4524 states and 7302 transitions. [2020-10-28 01:12:55,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-10-28 01:12:55,798 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:12:55,799 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:12:55,799 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 01:12:55,799 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:12:55,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:12:55,800 INFO L82 PathProgramCache]: Analyzing trace with hash -429741515, now seen corresponding path program 1 times [2020-10-28 01:12:55,800 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:12:55,800 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1985622249] [2020-10-28 01:12:55,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:12:55,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:55,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:55,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:55,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:55,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:55,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:55,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:55,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:56,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:56,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:57,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:57,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:00,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:00,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-28 01:13:00,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-28 01:13:00,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-28 01:13:00,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:00,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:13:00,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 01:13:00,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-28 01:13:00,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 01:13:00,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:13:00,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:00,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:00,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:00,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:13:00,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:00,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 01:13:00,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:00,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:00,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:00,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:00,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:00,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:13:00,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:00,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:00,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:00,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:13:00,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:00,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:13:00,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:00,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:13:00,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:00,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 01:13:00,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:00,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:13:00,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:00,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:00,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:00,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:13:00,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:00,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:13:00,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:00,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:13:00,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:00,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 01:13:00,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:00,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:13:00,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:00,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:01,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:01,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:13:01,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:01,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:13:01,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:01,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:13:01,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-28 01:13:01,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:13:01,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:01,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 01:13:01,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:01,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:01,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:01,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 01:13:01,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:01,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:13:01,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:01,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:01,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 01:13:01,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:01,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:01,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 01:13:01,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:01,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:01,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:01,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-28 01:13:01,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:01,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:13:01,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:01,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:01,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-10-28 01:13:01,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:01,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:01,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:13:01,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:01,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:01,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:01,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:13:01,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:01,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:13:01,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:01,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:01,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:01,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:01,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:01,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:13:01,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:01,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:01,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:01,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:13:01,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:01,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:13:01,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:01,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:01,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:01,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:01,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:01,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:13:01,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:01,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:01,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:01,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:13:01,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:01,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:13:01,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:01,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:01,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:01,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:01,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:01,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:13:01,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:01,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:01,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:01,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:13:01,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:01,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:13:01,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:01,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:01,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:01,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:01,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:01,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-28 01:13:01,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:01,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:01,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:01,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 01:13:01,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:01,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:13:01,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:01,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:01,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 01:13:01,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:01,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:01,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-28 01:13:01,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:01,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:01,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:01,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:13:01,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:01,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:13:01,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:01,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:01,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:13:01,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:01,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:01,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:13:01,133 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1985622249] [2020-10-28 01:13:01,134 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:13:01,135 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 01:13:01,135 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050865998] [2020-10-28 01:13:01,135 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 01:13:01,136 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:13:01,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 01:13:01,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 01:13:01,136 INFO L87 Difference]: Start difference. First operand 4524 states and 7302 transitions. Second operand 8 states. [2020-10-28 01:13:03,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:13:03,924 INFO L93 Difference]: Finished difference Result 9613 states and 15582 transitions. [2020-10-28 01:13:03,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 01:13:03,924 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 108 [2020-10-28 01:13:03,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:13:03,959 INFO L225 Difference]: With dead ends: 9613 [2020-10-28 01:13:03,959 INFO L226 Difference]: Without dead ends: 5122 [2020-10-28 01:13:03,980 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2020-10-28 01:13:03,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5122 states. [2020-10-28 01:13:04,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5122 to 4486. [2020-10-28 01:13:04,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4486 states. [2020-10-28 01:13:04,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4486 states to 4486 states and 7180 transitions. [2020-10-28 01:13:04,451 INFO L78 Accepts]: Start accepts. Automaton has 4486 states and 7180 transitions. Word has length 108 [2020-10-28 01:13:04,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:13:04,452 INFO L481 AbstractCegarLoop]: Abstraction has 4486 states and 7180 transitions. [2020-10-28 01:13:04,452 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 01:13:04,452 INFO L276 IsEmpty]: Start isEmpty. Operand 4486 states and 7180 transitions. [2020-10-28 01:13:04,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-28 01:13:04,456 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:13:04,457 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:13:04,457 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 01:13:04,457 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:13:04,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:13:04,458 INFO L82 PathProgramCache]: Analyzing trace with hash -1063713236, now seen corresponding path program 1 times [2020-10-28 01:13:04,458 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:13:04,458 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1948859294] [2020-10-28 01:13:04,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:13:04,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:04,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:04,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:04,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:04,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:04,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:04,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:04,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:04,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:04,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:06,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:06,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:09,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:09,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-10-28 01:13:09,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-28 01:13:09,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-28 01:13:09,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:09,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 01:13:09,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 01:13:09,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-28 01:13:09,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:09,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:13:09,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:09,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:09,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:09,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:13:09,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:09,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 01:13:09,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:09,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:13:09,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:09,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 01:13:09,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:09,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:13:09,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:09,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:09,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:09,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:13:09,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:09,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:13:09,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:09,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:13:09,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:09,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 01:13:09,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:09,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:13:09,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:09,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:09,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:09,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:13:09,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:09,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:13:09,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:09,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:13:09,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:09,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 01:13:09,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:09,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:13:09,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:09,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:09,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:09,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:13:09,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:09,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:13:09,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:09,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:13:09,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:09,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:13:09,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:09,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 01:13:09,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:09,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:09,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:09,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 01:13:09,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:09,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 01:13:09,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:09,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:13:09,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 01:13:09,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-28 01:13:09,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:09,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 01:13:09,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:09,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:09,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:09,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-28 01:13:09,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:09,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:13:09,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:09,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:09,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-10-28 01:13:09,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:09,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:13:09,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:13:09,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:09,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:09,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:09,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:13:09,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:09,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:13:09,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:09,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:09,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:09,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:09,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:09,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:13:09,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:09,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:09,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:09,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:13:09,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:09,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:13:09,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:09,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:09,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:09,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:09,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:09,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:13:09,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:09,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:09,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:09,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:13:09,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:09,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:13:09,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:09,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:09,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:09,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:09,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:09,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:13:09,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:09,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:09,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:09,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:13:09,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:09,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:13:09,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:09,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:09,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:09,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:09,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:09,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-28 01:13:09,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:09,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:09,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:09,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 01:13:09,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:09,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:13:09,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:09,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:09,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 01:13:09,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:09,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:09,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-28 01:13:09,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:09,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:09,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:09,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:13:09,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:09,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:13:09,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:09,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:09,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:13:09,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:09,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:09,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:13:09,855 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1948859294] [2020-10-28 01:13:09,855 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:13:09,855 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 01:13:09,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5598262] [2020-10-28 01:13:09,856 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 01:13:09,856 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:13:09,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 01:13:09,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-28 01:13:09,857 INFO L87 Difference]: Start difference. First operand 4486 states and 7180 transitions. Second operand 9 states. [2020-10-28 01:13:12,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:13:12,797 INFO L93 Difference]: Finished difference Result 11066 states and 19990 transitions. [2020-10-28 01:13:12,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-28 01:13:12,798 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 109 [2020-10-28 01:13:12,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:13:12,843 INFO L225 Difference]: With dead ends: 11066 [2020-10-28 01:13:12,844 INFO L226 Difference]: Without dead ends: 6609 [2020-10-28 01:13:12,864 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2020-10-28 01:13:12,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6609 states. [2020-10-28 01:13:13,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6609 to 5353. [2020-10-28 01:13:13,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5353 states. [2020-10-28 01:13:13,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5353 states to 5353 states and 8111 transitions. [2020-10-28 01:13:13,436 INFO L78 Accepts]: Start accepts. Automaton has 5353 states and 8111 transitions. Word has length 109 [2020-10-28 01:13:13,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:13:13,437 INFO L481 AbstractCegarLoop]: Abstraction has 5353 states and 8111 transitions. [2020-10-28 01:13:13,437 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 01:13:13,437 INFO L276 IsEmpty]: Start isEmpty. Operand 5353 states and 8111 transitions. [2020-10-28 01:13:13,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-28 01:13:13,441 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:13:13,441 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:13:13,441 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 01:13:13,442 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:13:13,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:13:13,442 INFO L82 PathProgramCache]: Analyzing trace with hash 803379079, now seen corresponding path program 1 times [2020-10-28 01:13:13,442 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:13:13,442 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1647798790] [2020-10-28 01:13:13,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:13:13,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:13,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:13,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:13,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:13,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:13,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:13,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:13,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:13,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:16,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:17,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:17,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:18,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:18,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-10-28 01:13:18,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-28 01:13:18,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 01:13:18,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:18,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:13:18,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 90 [2020-10-28 01:13:18,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:13:18,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:18,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:13:18,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:18,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:18,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:18,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:13:18,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:18,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 01:13:18,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:18,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:18,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:18,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:18,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:18,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:13:18,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:18,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:18,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:18,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:13:18,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:18,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:13:18,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:18,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:18,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:18,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:18,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:18,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:13:18,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:18,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:18,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:18,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:13:18,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:18,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:13:18,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:18,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:18,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:18,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:18,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:18,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:13:18,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:18,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:18,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:18,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:13:18,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:18,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:13:18,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:18,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:18,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:18,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:18,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:18,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 01:13:18,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:18,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:18,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:18,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 01:13:18,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:18,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:13:18,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:18,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:18,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:18,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:18,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:18,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 01:13:18,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:18,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:18,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:18,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-28 01:13:18,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:18,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 01:13:18,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:18,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:13:18,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-28 01:13:18,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:13:18,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:18,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:13:18,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:18,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:18,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:18,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:13:18,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:18,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:13:18,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:18,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:18,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:18,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:18,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:13:18,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:13:18,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:18,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:18,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:18,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:13:18,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:18,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:13:18,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:18,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:18,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:18,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:18,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:18,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:13:18,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:18,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:18,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:18,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:13:18,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:18,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:13:18,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:18,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:18,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:18,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:18,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:18,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:13:18,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:18,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:18,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:18,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:13:18,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:18,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 01:13:18,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:18,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:13:18,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:18,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:13:18,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:18,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-28 01:13:18,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:18,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:18,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:18,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 01:13:18,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:18,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:13:18,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:18,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:18,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 01:13:18,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:18,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:18,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-28 01:13:18,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:18,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:18,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:18,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:13:18,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:18,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:13:18,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:18,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:18,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:13:18,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:18,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:18,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:13:18,809 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1647798790] [2020-10-28 01:13:18,809 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:13:18,809 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 01:13:18,810 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273477230] [2020-10-28 01:13:18,810 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 01:13:18,810 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:13:18,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 01:13:18,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-28 01:13:18,811 INFO L87 Difference]: Start difference. First operand 5353 states and 8111 transitions. Second operand 10 states. [2020-10-28 01:13:19,739 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-28 01:13:19,876 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-28 01:13:22,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:13:22,558 INFO L93 Difference]: Finished difference Result 11539 states and 18620 transitions. [2020-10-28 01:13:22,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 01:13:22,558 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 109 [2020-10-28 01:13:22,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:13:22,587 INFO L225 Difference]: With dead ends: 11539 [2020-10-28 01:13:22,587 INFO L226 Difference]: Without dead ends: 6219 [2020-10-28 01:13:22,611 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-28 01:13:22,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6219 states. [2020-10-28 01:13:23,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6219 to 5456. [2020-10-28 01:13:23,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5456 states. [2020-10-28 01:13:23,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5456 states to 5456 states and 8123 transitions. [2020-10-28 01:13:23,164 INFO L78 Accepts]: Start accepts. Automaton has 5456 states and 8123 transitions. Word has length 109 [2020-10-28 01:13:23,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:13:23,165 INFO L481 AbstractCegarLoop]: Abstraction has 5456 states and 8123 transitions. [2020-10-28 01:13:23,165 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 01:13:23,165 INFO L276 IsEmpty]: Start isEmpty. Operand 5456 states and 8123 transitions. [2020-10-28 01:13:23,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-28 01:13:23,168 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:13:23,169 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:13:23,169 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-28 01:13:23,169 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:13:23,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:13:23,169 INFO L82 PathProgramCache]: Analyzing trace with hash -568428219, now seen corresponding path program 1 times [2020-10-28 01:13:23,170 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:13:23,170 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [264854567] [2020-10-28 01:13:23,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:13:23,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:23,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:23,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:23,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:23,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:23,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:23,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:23,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:24,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:24,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:24,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:27,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:27,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-10-28 01:13:27,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-28 01:13:27,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4368 [2020-10-28 01:13:27,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:27,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 01:13:27,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-28 01:13:27,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-28 01:13:27,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:27,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:13:27,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:27,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:27,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:27,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:13:27,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:27,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 01:13:27,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:27,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:27,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:27,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:27,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:27,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:13:27,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:27,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:27,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:27,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:13:27,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:27,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:13:27,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:27,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:27,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:27,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:27,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:27,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:13:27,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:27,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:27,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:27,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:13:27,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:27,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:13:27,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:27,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:27,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:27,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:27,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:27,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:13:27,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:27,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:27,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:27,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:13:27,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:27,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:13:27,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:27,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:27,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:27,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:27,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:27,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 01:13:27,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:27,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:27,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:27,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 01:13:27,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:27,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:13:27,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:27,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:27,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:27,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:27,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:27,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 01:13:27,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:27,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:27,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:27,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-28 01:13:27,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:27,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 01:13:27,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:27,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:13:27,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:27,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-28 01:13:27,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:27,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:13:27,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:27,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:27,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:27,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:13:27,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:27,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:13:27,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:27,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:27,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:27,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:27,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:13:27,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:13:27,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:27,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:27,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:27,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:13:27,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:27,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:13:27,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:27,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:27,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:27,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:27,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:27,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:13:27,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:27,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:27,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:27,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:13:27,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:27,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:13:27,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:27,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:27,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:27,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:27,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:27,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:13:27,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:27,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:27,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:27,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:13:27,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:27,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:13:27,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:27,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:13:27,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:27,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 01:13:27,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:27,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-28 01:13:27,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:27,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:27,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:27,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 01:13:27,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:27,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:13:27,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:27,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:13:27,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:27,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 01:13:27,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:27,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-28 01:13:27,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:27,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:27,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:27,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:13:27,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:27,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:13:27,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:27,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:13:27,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:27,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:13:27,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:27,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:13:27,861 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [264854567] [2020-10-28 01:13:27,861 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:13:27,861 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-28 01:13:27,861 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528142349] [2020-10-28 01:13:27,862 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 01:13:27,862 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:13:27,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 01:13:27,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 01:13:27,863 INFO L87 Difference]: Start difference. First operand 5456 states and 8123 transitions. Second operand 7 states. [2020-10-28 01:13:31,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:13:31,846 INFO L93 Difference]: Finished difference Result 17495 states and 29764 transitions. [2020-10-28 01:13:31,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 01:13:31,847 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 109 [2020-10-28 01:13:31,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:13:31,920 INFO L225 Difference]: With dead ends: 17495 [2020-10-28 01:13:31,921 INFO L226 Difference]: Without dead ends: 12072 [2020-10-28 01:13:32,040 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-10-28 01:13:32,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12072 states. [2020-10-28 01:13:33,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12072 to 10855. [2020-10-28 01:13:33,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10855 states. [2020-10-28 01:13:33,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10855 states to 10855 states and 17827 transitions. [2020-10-28 01:13:33,185 INFO L78 Accepts]: Start accepts. Automaton has 10855 states and 17827 transitions. Word has length 109 [2020-10-28 01:13:33,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:13:33,186 INFO L481 AbstractCegarLoop]: Abstraction has 10855 states and 17827 transitions. [2020-10-28 01:13:33,186 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 01:13:33,186 INFO L276 IsEmpty]: Start isEmpty. Operand 10855 states and 17827 transitions. [2020-10-28 01:13:33,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-28 01:13:33,197 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:13:33,197 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:13:33,198 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-28 01:13:33,198 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:13:33,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:13:33,198 INFO L82 PathProgramCache]: Analyzing trace with hash -321319707, now seen corresponding path program 1 times [2020-10-28 01:13:33,198 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:13:33,199 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1769708960] [2020-10-28 01:13:33,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:13:33,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:33,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:33,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:33,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:33,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:33,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:33,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:33,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:33,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:33,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:33,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:36,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:36,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:38,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:38,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-28 01:13:38,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-28 01:13:38,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-28 01:13:38,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:38,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 01:13:38,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-28 01:13:38,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-28 01:13:38,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:38,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:13:38,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:38,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:38,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:38,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:13:38,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:38,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:13:38,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:38,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:38,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:38,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:38,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:38,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:13:38,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:38,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:38,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:38,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:13:38,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:38,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:13:38,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:38,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:38,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:38,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:38,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:38,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:13:38,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:38,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:38,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:38,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:13:38,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:38,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:13:38,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:38,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:38,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:38,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:38,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:38,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:13:38,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:38,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:38,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:38,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:13:38,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:38,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:13:38,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:38,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:13:38,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:38,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 01:13:38,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:38,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 01:13:38,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:38,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:38,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:38,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 01:13:38,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:38,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:13:38,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:38,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:13:38,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:38,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 01:13:38,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:38,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 01:13:38,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:38,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:38,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:38,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-28 01:13:38,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:38,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 01:13:38,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:38,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:13:38,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 01:13:38,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-28 01:13:38,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:38,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:13:38,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:38,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:38,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:38,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:13:38,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:38,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:13:38,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:38,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:13:38,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:38,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:13:38,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:38,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:13:38,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:38,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:38,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:38,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:13:38,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:38,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:13:38,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:38,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:13:38,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:38,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:13:38,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:38,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:13:38,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:38,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:38,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:38,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:13:38,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:38,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:13:38,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:38,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:13:38,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:38,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:13:38,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:38,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:13:38,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:38,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:38,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:38,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:13:38,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:38,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:13:38,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:38,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:13:38,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:38,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:13:38,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:38,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-28 01:13:38,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:38,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:38,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:38,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 01:13:38,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:38,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:13:38,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:38,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:13:38,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:38,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 01:13:38,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:38,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-28 01:13:38,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:38,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:38,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:38,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:38,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:13:38,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 01:13:38,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:13:38,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:38,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:13:38,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-28 01:13:38,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 01:13:38,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:38,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-28 01:13:38,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:38,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:38,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:38,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:13:38,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:38,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:13:38,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:38,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:13:38,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:38,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:13:38,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:38,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-28 01:13:38,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:38,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:38,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:38,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:13:38,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:38,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:13:38,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:38,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:13:38,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-28 01:13:38,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 01:13:38,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:38,563 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-28 01:13:38,563 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1769708960] [2020-10-28 01:13:38,563 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:13:38,563 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 01:13:38,563 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306196373] [2020-10-28 01:13:38,564 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 01:13:38,564 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:13:38,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 01:13:38,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-28 01:13:38,565 INFO L87 Difference]: Start difference. First operand 10855 states and 17827 transitions. Second operand 10 states. [2020-10-28 01:13:38,701 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-28 01:13:46,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:13:46,174 INFO L93 Difference]: Finished difference Result 27210 states and 47512 transitions. [2020-10-28 01:13:46,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-28 01:13:46,175 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 132 [2020-10-28 01:13:46,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:13:46,267 INFO L225 Difference]: With dead ends: 27210 [2020-10-28 01:13:46,267 INFO L226 Difference]: Without dead ends: 16396 [2020-10-28 01:13:46,337 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 369 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=304, Invalid=1028, Unknown=0, NotChecked=0, Total=1332 [2020-10-28 01:13:46,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16396 states. [2020-10-28 01:13:48,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16396 to 13793. [2020-10-28 01:13:48,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13793 states. [2020-10-28 01:13:48,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13793 states to 13793 states and 22292 transitions. [2020-10-28 01:13:48,447 INFO L78 Accepts]: Start accepts. Automaton has 13793 states and 22292 transitions. Word has length 132 [2020-10-28 01:13:48,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:13:48,448 INFO L481 AbstractCegarLoop]: Abstraction has 13793 states and 22292 transitions. [2020-10-28 01:13:48,448 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 01:13:48,448 INFO L276 IsEmpty]: Start isEmpty. Operand 13793 states and 22292 transitions. [2020-10-28 01:13:48,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-28 01:13:48,459 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:13:48,460 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:13:48,460 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-28 01:13:48,460 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:13:48,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:13:48,461 INFO L82 PathProgramCache]: Analyzing trace with hash 11323431, now seen corresponding path program 1 times [2020-10-28 01:13:48,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:13:48,461 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [35984015] [2020-10-28 01:13:48,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:13:48,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:48,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:48,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:48,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:48,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:48,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:48,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:48,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:49,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:50,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:50,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-28 01:13:50,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-28 01:13:50,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2039 [2020-10-28 01:13:50,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:50,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:13:50,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-28 01:13:50,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-28 01:13:50,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:50,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:13:50,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:50,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:50,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:50,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:13:50,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:50,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:13:50,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:50,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:50,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:50,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:50,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:50,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:13:50,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:50,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:50,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:50,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:13:50,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:50,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:13:50,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:50,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:50,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:50,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:50,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:50,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:13:50,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:50,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:50,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:50,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:13:50,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:50,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:13:50,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:50,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:50,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:50,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:50,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:50,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:13:50,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:50,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:50,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:50,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:13:50,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:50,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:13:50,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:50,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:50,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:50,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:50,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:50,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 01:13:50,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:50,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:50,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:50,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 01:13:50,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:50,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:13:50,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:50,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:50,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:50,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:50,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:50,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 01:13:50,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:50,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:50,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:50,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-28 01:13:50,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:50,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:13:50,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:50,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:50,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:50,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:50,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:50,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:13:50,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:50,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:50,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:50,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:13:50,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:50,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:13:50,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:50,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:50,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:50,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:50,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:50,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:13:50,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:50,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:50,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:50,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:13:50,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:50,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:13:50,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:50,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:50,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:50,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:50,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:50,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:13:50,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:50,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:50,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:50,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:13:50,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:50,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:13:50,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:50,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:50,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:50,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:50,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:50,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:13:50,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:50,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:50,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:50,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:13:50,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:50,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:13:50,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:50,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:50,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:50,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:50,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:50,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-28 01:13:50,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:50,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:50,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:50,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 01:13:50,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:50,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:13:50,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:50,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:50,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:50,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:50,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:50,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-28 01:13:50,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:50,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:50,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:50,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:13:50,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:50,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:13:50,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:50,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:50,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:50,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:50,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:50,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-28 01:13:50,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:50,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:50,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:50,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:13:50,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:50,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:13:50,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:50,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:13:50,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:50,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 01:13:50,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:50,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-28 01:13:50,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:50,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:50,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:50,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:13:50,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:50,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:13:50,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:50,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:13:50,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:50,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:13:50,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:50,798 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-28 01:13:50,798 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [35984015] [2020-10-28 01:13:50,798 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:13:50,799 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 01:13:50,799 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342428373] [2020-10-28 01:13:50,799 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 01:13:50,799 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:13:50,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 01:13:50,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-28 01:13:50,800 INFO L87 Difference]: Start difference. First operand 13793 states and 22292 transitions. Second operand 8 states. [2020-10-28 01:13:57,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:13:57,355 INFO L93 Difference]: Finished difference Result 44015 states and 75594 transitions. [2020-10-28 01:13:57,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-28 01:13:57,356 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 132 [2020-10-28 01:13:57,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:13:57,511 INFO L225 Difference]: With dead ends: 44015 [2020-10-28 01:13:57,512 INFO L226 Difference]: Without dead ends: 22807 [2020-10-28 01:13:57,646 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2020-10-28 01:13:57,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22807 states. [2020-10-28 01:14:00,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22807 to 20393. [2020-10-28 01:14:00,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20393 states. [2020-10-28 01:14:00,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20393 states to 20393 states and 33308 transitions. [2020-10-28 01:14:00,336 INFO L78 Accepts]: Start accepts. Automaton has 20393 states and 33308 transitions. Word has length 132 [2020-10-28 01:14:00,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:14:00,337 INFO L481 AbstractCegarLoop]: Abstraction has 20393 states and 33308 transitions. [2020-10-28 01:14:00,337 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 01:14:00,337 INFO L276 IsEmpty]: Start isEmpty. Operand 20393 states and 33308 transitions. [2020-10-28 01:14:00,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-10-28 01:14:00,376 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:14:00,376 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:14:00,376 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-28 01:14:00,378 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:14:00,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:14:00,378 INFO L82 PathProgramCache]: Analyzing trace with hash 1806462007, now seen corresponding path program 1 times [2020-10-28 01:14:00,378 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:14:00,379 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1246437486] [2020-10-28 01:14:00,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:14:00,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:00,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:00,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:00,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:00,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:00,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:00,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:00,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:00,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:01,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:01,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:01,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:01,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:01,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:05,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:05,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 240 [2020-10-28 01:14:05,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-28 01:14:05,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-28 01:14:05,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:05,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:14:05,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 164 [2020-10-28 01:14:05,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-28 01:14:05,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:05,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:14:05,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:05,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:05,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:05,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:14:05,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:05,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:14:05,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:05,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:05,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:05,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:05,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:05,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:14:05,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:05,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:05,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:05,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:14:05,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:05,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:05,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:05,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:05,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:05,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:05,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:14:05,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:14:05,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:05,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:05,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:05,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:14:05,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:05,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:14:05,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:05,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:05,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:05,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:05,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:05,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:14:05,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:05,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:05,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:05,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:05,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:05,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:14:05,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:05,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:05,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:05,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:05,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:05,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 01:14:05,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:05,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:05,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:05,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 01:14:05,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:05,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:14:05,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:05,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:05,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:05,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:05,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:05,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 01:14:05,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:05,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:05,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:05,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-28 01:14:05,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:05,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:14:05,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:05,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:05,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:05,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:05,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:05,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:14:05,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:05,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:05,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:05,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:05,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:05,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:05,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:05,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:05,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:05,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:05,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:05,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:14:05,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:05,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:05,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:05,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:05,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:05,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:05,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:05,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:05,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:05,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:05,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:05,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:14:05,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:05,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:05,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:05,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:05,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:05,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:05,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:05,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:05,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:05,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:05,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:05,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:14:05,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:05,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:05,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:05,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:05,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:05,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:05,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:05,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:05,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:05,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:05,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:05,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-28 01:14:05,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:05,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:05,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:05,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 01:14:05,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:05,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:14:05,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:05,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:05,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:05,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:05,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:05,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-28 01:14:05,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:05,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:05,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:05,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:14:05,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:05,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:05,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:05,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:05,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:05,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:05,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:05,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-28 01:14:05,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:05,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:05,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:05,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:14:05,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:05,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:05,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:05,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:05,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:05,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:05,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:05,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-28 01:14:05,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:05,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:05,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:05,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:14:05,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:05,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:05,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:05,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:05,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:05,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:05,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:05,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-28 01:14:05,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:05,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:05,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:05,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-28 01:14:05,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:05,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 01:14:05,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:05,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:14:05,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-28 01:14:05,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-28 01:14:05,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:05,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 01:14:05,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:05,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:05,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:05,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-28 01:14:05,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:05,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 01:14:05,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:05,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:14:05,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-28 01:14:05,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-28 01:14:05,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:05,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:14:05,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:05,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:05,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:05,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-28 01:14:05,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:05,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:14:05,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:05,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:14:05,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:05,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-28 01:14:05,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:05,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:14:05,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:05,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:05,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:05,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:05,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:05,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:14:05,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:05,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:05,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:05,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:05,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:05,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:14:05,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:05,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:05,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:05,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:05,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:05,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:05,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:05,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:05,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:05,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:05,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:05,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:14:05,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:05,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:05,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:05,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:05,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:05,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:05,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:05,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:14:05,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:05,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 01:14:05,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:05,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:14:05,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:05,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:05,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:05,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:05,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:05,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:05,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:05,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:14:05,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:05,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:14:05,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:05,833 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-10-28 01:14:05,833 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1246437486] [2020-10-28 01:14:05,833 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:14:05,833 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 01:14:05,833 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17872372] [2020-10-28 01:14:05,834 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 01:14:05,834 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:14:05,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 01:14:05,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-28 01:14:05,835 INFO L87 Difference]: Start difference. First operand 20393 states and 33308 transitions. Second operand 10 states. [2020-10-28 01:14:14,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:14:14,010 INFO L93 Difference]: Finished difference Result 48515 states and 86978 transitions. [2020-10-28 01:14:14,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-28 01:14:14,010 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 184 [2020-10-28 01:14:14,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:14:14,207 INFO L225 Difference]: With dead ends: 48515 [2020-10-28 01:14:14,208 INFO L226 Difference]: Without dead ends: 28155 [2020-10-28 01:14:14,701 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=137, Invalid=415, Unknown=0, NotChecked=0, Total=552 [2020-10-28 01:14:14,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28155 states. [2020-10-28 01:14:17,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28155 to 25539. [2020-10-28 01:14:17,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25539 states. [2020-10-28 01:14:17,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25539 states to 25539 states and 40639 transitions. [2020-10-28 01:14:17,877 INFO L78 Accepts]: Start accepts. Automaton has 25539 states and 40639 transitions. Word has length 184 [2020-10-28 01:14:17,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:14:17,877 INFO L481 AbstractCegarLoop]: Abstraction has 25539 states and 40639 transitions. [2020-10-28 01:14:17,877 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 01:14:17,877 INFO L276 IsEmpty]: Start isEmpty. Operand 25539 states and 40639 transitions. [2020-10-28 01:14:17,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-10-28 01:14:17,921 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:14:17,921 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:14:17,921 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-28 01:14:17,922 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:14:17,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:14:17,922 INFO L82 PathProgramCache]: Analyzing trace with hash -1576652882, now seen corresponding path program 1 times [2020-10-28 01:14:17,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:14:17,922 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [627476395] [2020-10-28 01:14:17,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:14:17,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:17,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:17,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:18,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:18,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:18,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:19,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:19,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:19,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:19,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:19,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:20,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:22,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:22,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 255 [2020-10-28 01:14:22,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-28 01:14:22,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-28 01:14:22,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:22,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:14:22,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-10-28 01:14:22,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-28 01:14:22,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:23,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:14:23,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:23,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:23,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:23,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:14:23,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:23,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:14:23,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:23,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:23,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:23,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:23,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:23,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:14:23,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:23,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:23,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:23,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:14:23,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:23,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:23,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:23,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:23,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:23,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:23,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:23,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:14:23,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:23,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:23,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:23,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:14:23,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:23,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:14:23,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:23,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:23,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:23,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:23,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:23,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:14:23,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:23,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:23,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:23,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:23,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:23,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:14:23,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:23,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:23,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:23,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:23,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:23,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 01:14:23,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:23,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:23,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:23,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 01:14:23,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:23,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:14:23,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:23,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:23,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:23,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:23,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:23,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 01:14:23,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:23,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:23,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:23,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-28 01:14:23,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:23,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 01:14:23,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:23,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:23,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:23,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:23,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:23,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:14:23,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:23,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:23,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:23,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:23,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:23,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:14:23,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:23,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:23,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:23,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:23,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:23,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:14:23,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:23,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:23,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:23,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:23,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:23,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:23,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:23,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:23,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:23,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:23,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:23,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:14:23,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:23,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:23,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:23,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:23,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:23,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:23,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:23,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:23,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:23,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:23,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:23,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:14:23,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:23,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:23,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:23,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:23,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:23,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:23,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:23,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:23,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:23,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:23,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:23,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-28 01:14:23,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:23,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:23,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:23,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 01:14:23,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:23,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:14:23,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:23,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:23,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:23,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:23,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:23,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-28 01:14:23,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:23,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:23,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:23,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:14:23,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:23,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:14:23,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:23,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:23,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:23,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:23,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:23,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-28 01:14:23,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:23,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:23,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:23,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:14:23,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:23,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:23,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:23,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:23,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:23,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:23,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:23,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-28 01:14:23,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:23,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:23,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:23,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:14:23,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:23,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:14:23,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:23,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:14:23,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:23,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 01:14:23,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:23,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-28 01:14:23,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:23,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:23,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:23,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:14:23,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:23,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:23,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:23,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:14:23,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:23,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:14:23,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:23,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-28 01:14:23,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:23,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:23,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:23,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:14:23,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:23,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:23,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:23,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:14:23,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:23,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:14:23,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:23,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-28 01:14:23,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:23,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:23,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:23,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-28 01:14:23,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:23,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:14:23,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:23,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:23,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 65 [2020-10-28 01:14:23,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:23,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:23,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 01:14:23,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:23,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:23,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:23,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-28 01:14:23,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:23,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:14:23,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:23,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:23,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:23,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:23,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:23,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:14:23,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:23,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:23,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:23,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-28 01:14:23,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:23,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:14:23,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:23,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:23,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:23,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:23,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:23,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:14:23,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:23,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:23,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:23,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:23,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:23,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:23,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:23,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:23,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:23,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:23,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:23,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:14:23,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:23,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:23,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:23,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:23,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:23,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:23,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:23,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:23,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:23,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:23,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:23,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:14:23,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:23,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:23,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:23,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:23,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:23,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:23,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:23,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:23,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:23,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:23,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:23,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:14:23,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:23,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:23,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:23,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:23,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:23,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:23,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:23,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:23,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:23,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:23,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:23,398 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-10-28 01:14:23,398 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [627476395] [2020-10-28 01:14:23,399 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 01:14:23,399 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-28 01:14:23,399 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133201222] [2020-10-28 01:14:23,400 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 01:14:23,400 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:14:23,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 01:14:23,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-28 01:14:23,400 INFO L87 Difference]: Start difference. First operand 25539 states and 40639 transitions. Second operand 10 states. [2020-10-28 01:14:29,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:14:29,875 INFO L93 Difference]: Finished difference Result 48059 states and 79170 transitions. [2020-10-28 01:14:29,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-28 01:14:29,875 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 195 [2020-10-28 01:14:29,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:14:30,028 INFO L225 Difference]: With dead ends: 48059 [2020-10-28 01:14:30,029 INFO L226 Difference]: Without dead ends: 28807 [2020-10-28 01:14:30,115 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=157, Invalid=395, Unknown=0, NotChecked=0, Total=552 [2020-10-28 01:14:30,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28807 states. [2020-10-28 01:14:33,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28807 to 25297. [2020-10-28 01:14:33,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25297 states. [2020-10-28 01:14:33,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25297 states to 25297 states and 39666 transitions. [2020-10-28 01:14:33,172 INFO L78 Accepts]: Start accepts. Automaton has 25297 states and 39666 transitions. Word has length 195 [2020-10-28 01:14:33,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:14:33,172 INFO L481 AbstractCegarLoop]: Abstraction has 25297 states and 39666 transitions. [2020-10-28 01:14:33,173 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 01:14:33,173 INFO L276 IsEmpty]: Start isEmpty. Operand 25297 states and 39666 transitions. [2020-10-28 01:14:33,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2020-10-28 01:14:33,258 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:14:33,259 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:14:33,259 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-28 01:14:33,260 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:14:33,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:14:33,260 INFO L82 PathProgramCache]: Analyzing trace with hash -33634904, now seen corresponding path program 1 times [2020-10-28 01:14:33,260 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:14:33,261 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1028828322] [2020-10-28 01:14:33,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:14:33,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:33,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:33,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:33,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:33,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:33,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:33,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:33,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:33,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:33,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:33,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:38,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:38,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:38,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:38,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:38,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 477 [2020-10-28 01:14:38,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-28 01:14:38,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-10-28 01:14:38,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:38,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:14:38,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 244 [2020-10-28 01:14:38,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-28 01:14:38,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:38,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:14:38,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:38,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:38,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:38,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:14:38,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:38,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:14:38,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:38,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:38,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:38,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:38,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:38,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:14:38,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:38,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:38,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:38,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:14:38,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:38,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:38,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:38,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:38,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:38,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:38,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:38,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:14:38,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:38,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:38,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:38,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:14:38,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:38,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:14:38,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:38,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:38,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:38,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:38,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:38,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:14:38,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:38,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:38,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:38,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:38,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:38,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:14:38,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:38,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:38,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:38,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:38,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:38,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 01:14:38,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:38,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:38,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:38,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 01:14:38,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:38,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:14:38,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:38,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:38,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:38,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:38,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:38,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 01:14:38,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:38,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:38,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:38,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-28 01:14:38,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:38,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:14:38,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:38,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:38,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:38,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:38,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:38,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:14:38,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:38,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:38,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:38,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:38,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:38,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:38,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:38,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:38,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:38,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:38,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:38,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:14:38,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:38,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:38,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:38,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:38,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:38,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:38,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:38,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:38,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:38,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:38,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:38,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:14:38,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:38,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:38,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:38,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:38,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:38,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:38,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:38,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:38,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:38,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:38,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:38,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:14:38,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:38,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:38,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:38,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:38,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:38,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:38,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:38,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:38,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:38,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:38,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:38,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-28 01:14:38,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:38,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:38,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:38,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 01:14:38,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:38,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:14:38,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:38,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:38,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:38,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:38,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:38,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-28 01:14:38,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:38,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:38,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:38,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:38,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-28 01:14:38,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 01:14:38,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-28 01:14:38,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:38,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:14:38,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-28 01:14:38,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:14:38,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:38,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 01:14:38,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:38,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:38,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:38,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:38,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:38,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:38,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:38,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:38,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:38,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:38,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:38,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-28 01:14:38,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:38,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:38,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:38,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:14:38,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:38,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:38,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:38,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:38,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:38,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:38,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:38,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 01:14:38,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:38,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:38,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:38,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 01:14:38,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:38,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:14:38,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:38,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:14:38,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:38,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:14:38,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:38,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-28 01:14:38,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:38,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:38,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:38,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:14:38,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:38,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:14:38,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:38,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:38,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:38,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:38,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:38,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-28 01:14:38,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:38,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:38,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:38,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 01:14:38,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:38,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:14:38,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:38,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:38,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:38,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:38,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:38,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-28 01:14:38,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:38,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:38,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:38,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-28 01:14:38,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:38,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:14:38,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:38,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:38,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:38,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:38,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:38,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:14:38,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:38,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:38,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:38,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 01:14:38,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:38,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:38,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:38,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:38,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:38,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:38,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:38,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-28 01:14:38,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:38,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:38,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:38,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:38,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:38,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:38,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:38,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:38,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:38,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:38,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:38,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 01:14:38,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:38,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:38,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:38,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:38,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:38,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:38,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:38,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:38,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:38,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:38,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:38,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 01:14:38,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:38,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:38,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:38,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:38,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:38,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:38,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:38,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:38,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:38,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:38,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:38,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-10-28 01:14:38,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:38,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:38,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:38,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 01:14:38,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:38,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:14:38,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:38,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:38,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:38,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:38,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-10-28 01:14:38,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-28 01:14:38,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:38,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:38,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:38,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 01:14:38,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:38,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:14:38,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:38,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:14:38,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:38,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 01:14:38,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:38,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-10-28 01:14:38,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:38,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:38,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:38,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:38,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-28 01:14:38,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 01:14:38,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 01:14:38,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:38,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:14:38,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:38,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:14:38,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:38,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:14:38,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:38,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:38,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:38,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 01:14:38,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:38,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:14:38,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:38,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:14:38,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:38,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 01:14:38,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:38,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-10-28 01:14:38,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:38,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:38,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:38,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:38,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:38,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:14:38,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:38,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:14:38,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-28 01:14:38,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 01:14:38,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-28 01:14:38,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2020-10-28 01:14:38,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:38,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:38,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:38,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:14:38,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:38,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:14:38,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:38,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:38,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:14:38,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:38,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:38,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-10-28 01:14:38,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:38,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:38,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:38,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:14:38,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:38,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:38,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:38,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:38,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:14:38,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:38,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:38,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-10-28 01:14:38,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:38,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:38,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:38,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:38,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:38,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:38,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:38,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:38,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:14:38,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:38,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:39,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2020-10-28 01:14:39,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:39,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:39,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:39,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-10-28 01:14:39,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:39,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 01:14:39,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:39,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:39,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 66 [2020-10-28 01:14:39,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:39,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:39,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 01:14:39,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:39,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:39,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:39,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-28 01:14:39,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:39,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:14:39,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:39,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:39,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:39,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:39,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:39,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:14:39,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:39,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:39,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:39,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-28 01:14:39,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:39,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 01:14:39,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:39,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:39,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:39,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:39,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:39,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:14:39,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:39,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:39,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:39,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:39,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:39,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:39,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:39,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:39,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:39,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:39,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:39,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:14:39,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:39,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:39,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:39,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:39,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:39,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:39,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:39,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:39,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:39,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:39,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:39,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:14:39,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:39,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:39,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:39,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:39,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:39,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:39,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:39,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:39,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:39,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:39,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:39,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:14:39,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:39,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:39,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:39,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 01:14:39,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:39,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:39,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:39,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:39,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:39,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:39,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:39,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2020-10-28 01:14:39,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:39,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:39,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:39,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-28 01:14:39,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:39,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 01:14:39,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:39,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:39,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 65 [2020-10-28 01:14:39,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:39,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 01:14:39,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 01:14:39,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:39,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:39,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:39,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-28 01:14:39,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:39,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:14:39,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:39,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:39,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:39,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:39,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:39,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:14:39,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:39,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:39,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:39,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-28 01:14:39,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:39,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 01:14:39,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:39,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:39,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:39,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:39,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:39,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:14:39,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:39,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:39,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:39,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:39,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:39,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:39,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:39,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:39,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:39,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:39,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:39,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:14:39,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:39,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:39,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:39,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:39,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:39,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:39,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:39,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:39,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:39,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:39,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:39,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:14:39,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:39,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:39,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:39,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:39,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:39,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:39,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:39,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:39,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:39,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:39,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:39,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:14:39,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:39,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:39,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:39,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:39,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:39,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:39,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:39,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:39,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:39,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:39,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:39,354 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 51 proven. 28 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2020-10-28 01:14:39,354 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1028828322] [2020-10-28 01:14:39,354 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 01:14:39,355 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-28 01:14:39,355 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150783707] [2020-10-28 01:14:39,356 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-28 01:14:39,357 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:14:39,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-28 01:14:39,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2020-10-28 01:14:39,357 INFO L87 Difference]: Start difference. First operand 25297 states and 39666 transitions. Second operand 16 states. [2020-10-28 01:14:41,166 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-28 01:14:41,295 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-28 01:14:41,441 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-28 01:14:41,572 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-28 01:14:41,725 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2020-10-28 01:14:41,973 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-28 01:14:42,829 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-28 01:14:43,001 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-28 01:14:46,314 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2020-10-28 01:14:47,865 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-28 01:14:49,045 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-28 01:14:49,325 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-28 01:14:50,068 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-28 01:14:50,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:14:50,822 INFO L93 Difference]: Finished difference Result 45924 states and 71660 transitions. [2020-10-28 01:14:50,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2020-10-28 01:14:50,822 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 375 [2020-10-28 01:14:50,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:14:50,915 INFO L225 Difference]: With dead ends: 45924 [2020-10-28 01:14:50,915 INFO L226 Difference]: Without dead ends: 20668 [2020-10-28 01:14:51,028 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 110 SyntacticMatches, 4 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1078 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=655, Invalid=3005, Unknown=0, NotChecked=0, Total=3660 [2020-10-28 01:14:51,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20668 states. [2020-10-28 01:14:52,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20668 to 18295. [2020-10-28 01:14:52,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18295 states. [2020-10-28 01:14:53,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18295 states to 18295 states and 25249 transitions. [2020-10-28 01:14:53,006 INFO L78 Accepts]: Start accepts. Automaton has 18295 states and 25249 transitions. Word has length 375 [2020-10-28 01:14:53,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:14:53,007 INFO L481 AbstractCegarLoop]: Abstraction has 18295 states and 25249 transitions. [2020-10-28 01:14:53,007 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-28 01:14:53,007 INFO L276 IsEmpty]: Start isEmpty. Operand 18295 states and 25249 transitions. [2020-10-28 01:14:53,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2020-10-28 01:14:53,035 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:14:53,035 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:14:53,035 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-28 01:14:53,035 INFO L429 AbstractCegarLoop]: === Iteration 18 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:14:53,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:14:53,036 INFO L82 PathProgramCache]: Analyzing trace with hash 1032154131, now seen corresponding path program 1 times [2020-10-28 01:14:53,036 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:14:53,036 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1108502436] [2020-10-28 01:14:53,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:14:53,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:53,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:53,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:53,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:53,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:53,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:53,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:53,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:53,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:53,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:53,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:53,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:54,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:54,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:54,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:54,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking...