/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/systemc/transmitter.12.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 06:43:24,304 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 06:43:24,307 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 06:43:24,381 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 06:43:24,381 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 06:43:24,383 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 06:43:24,385 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 06:43:24,387 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 06:43:24,390 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 06:43:24,391 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 06:43:24,392 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 06:43:24,394 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 06:43:24,395 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 06:43:24,396 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 06:43:24,397 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 06:43:24,399 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 06:43:24,400 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 06:43:24,401 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 06:43:24,404 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 06:43:24,406 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 06:43:24,408 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 06:43:24,409 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 06:43:24,411 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 06:43:24,412 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 06:43:24,416 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 06:43:24,416 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 06:43:24,416 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 06:43:24,418 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 06:43:24,418 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 06:43:24,419 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 06:43:24,420 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 06:43:24,421 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 06:43:24,422 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 06:43:24,423 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 06:43:24,424 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 06:43:24,425 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 06:43:24,426 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 06:43:24,427 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 06:43:24,427 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 06:43:24,428 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 06:43:24,429 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 06:43:24,435 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 06:43:24,492 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 06:43:24,492 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 06:43:24,498 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 06:43:24,499 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 06:43:24,499 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 06:43:24,499 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 06:43:24,500 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 06:43:24,500 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 06:43:24,500 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 06:43:24,500 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 06:43:24,500 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 06:43:24,501 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 06:43:24,501 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 06:43:24,502 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 06:43:24,502 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 06:43:24,503 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 06:43:24,503 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 06:43:24,503 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 06:43:24,503 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 06:43:24,504 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 06:43:24,504 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 06:43:24,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 06:43:24,504 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 06:43:24,504 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 06:43:24,505 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 06:43:24,505 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 06:43:24,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 06:43:24,505 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 06:43:24,505 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 06:43:24,506 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 06:43:24,901 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 06:43:24,935 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 06:43:24,938 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 06:43:24,940 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 06:43:24,940 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 06:43:24,942 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/transmitter.12.cil.c [2020-10-27 06:43:25,046 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b3f440b9b/dd37710e746c491a8e83caf76fda982e/FLAG793e9ffab [2020-10-27 06:43:25,871 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 06:43:25,872 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/transmitter.12.cil.c [2020-10-27 06:43:25,895 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b3f440b9b/dd37710e746c491a8e83caf76fda982e/FLAG793e9ffab [2020-10-27 06:43:26,134 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b3f440b9b/dd37710e746c491a8e83caf76fda982e [2020-10-27 06:43:26,141 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 06:43:26,162 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 06:43:26,166 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 06:43:26,166 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 06:43:26,170 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 06:43:26,172 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:43:26" (1/1) ... [2020-10-27 06:43:26,176 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47c2f2cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:43:26, skipping insertion in model container [2020-10-27 06:43:26,177 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:43:26" (1/1) ... [2020-10-27 06:43:26,185 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 06:43:26,262 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 06:43:26,667 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 06:43:26,686 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 06:43:26,903 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 06:43:26,944 INFO L208 MainTranslator]: Completed translation [2020-10-27 06:43:26,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:43:26 WrapperNode [2020-10-27 06:43:26,945 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 06:43:26,946 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 06:43:26,946 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 06:43:26,946 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 06:43:26,960 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:43:26" (1/1) ... [2020-10-27 06:43:26,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:43:26" (1/1) ... [2020-10-27 06:43:26,977 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:43:26" (1/1) ... [2020-10-27 06:43:26,978 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:43:26" (1/1) ... [2020-10-27 06:43:27,002 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:43:26" (1/1) ... [2020-10-27 06:43:27,041 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:43:26" (1/1) ... [2020-10-27 06:43:27,051 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:43:26" (1/1) ... [2020-10-27 06:43:27,067 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 06:43:27,068 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 06:43:27,068 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 06:43:27,073 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 06:43:27,074 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:43:26" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 06:43:27,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 06:43:27,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 06:43:27,164 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 06:43:27,164 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-27 06:43:27,165 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-27 06:43:27,165 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-27 06:43:27,166 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-27 06:43:27,166 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-10-27 06:43:27,166 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2020-10-27 06:43:27,166 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2020-10-27 06:43:27,167 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2020-10-27 06:43:27,167 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit7 [2020-10-27 06:43:27,168 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit8 [2020-10-27 06:43:27,168 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit9 [2020-10-27 06:43:27,168 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit10 [2020-10-27 06:43:27,169 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit11 [2020-10-27 06:43:27,169 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit12 [2020-10-27 06:43:27,169 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-27 06:43:27,169 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-27 06:43:27,170 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-27 06:43:27,170 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-10-27 06:43:27,170 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2020-10-27 06:43:27,170 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2020-10-27 06:43:27,170 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2020-10-27 06:43:27,170 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit7_triggered [2020-10-27 06:43:27,171 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit8_triggered [2020-10-27 06:43:27,171 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit9_triggered [2020-10-27 06:43:27,171 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit10_triggered [2020-10-27 06:43:27,171 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit11_triggered [2020-10-27 06:43:27,171 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit12_triggered [2020-10-27 06:43:27,171 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-27 06:43:27,172 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-27 06:43:27,172 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-27 06:43:27,172 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-27 06:43:27,172 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-27 06:43:27,172 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-27 06:43:27,172 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-27 06:43:27,172 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-27 06:43:27,172 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-27 06:43:27,173 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-27 06:43:27,173 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-27 06:43:27,173 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-27 06:43:27,173 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-27 06:43:27,173 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 06:43:27,173 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 06:43:27,173 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 06:43:27,174 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 06:43:27,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 06:43:27,174 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 06:43:27,174 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-27 06:43:27,174 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-27 06:43:27,174 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-27 06:43:27,174 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-27 06:43:27,175 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-10-27 06:43:27,175 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2020-10-27 06:43:27,175 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2020-10-27 06:43:27,176 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2020-10-27 06:43:27,176 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit7_triggered [2020-10-27 06:43:27,176 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit8_triggered [2020-10-27 06:43:27,177 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit9_triggered [2020-10-27 06:43:27,177 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit10_triggered [2020-10-27 06:43:27,177 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit11_triggered [2020-10-27 06:43:27,177 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit12_triggered [2020-10-27 06:43:27,177 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-27 06:43:27,177 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-27 06:43:27,178 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-27 06:43:27,178 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-27 06:43:27,178 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-10-27 06:43:27,178 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2020-10-27 06:43:27,178 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2020-10-27 06:43:27,179 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2020-10-27 06:43:27,179 INFO L130 BoogieDeclarations]: Found specification of procedure transmit7 [2020-10-27 06:43:27,181 INFO L130 BoogieDeclarations]: Found specification of procedure transmit8 [2020-10-27 06:43:27,181 INFO L130 BoogieDeclarations]: Found specification of procedure transmit9 [2020-10-27 06:43:27,181 INFO L130 BoogieDeclarations]: Found specification of procedure transmit10 [2020-10-27 06:43:27,181 INFO L130 BoogieDeclarations]: Found specification of procedure transmit11 [2020-10-27 06:43:27,182 INFO L130 BoogieDeclarations]: Found specification of procedure transmit12 [2020-10-27 06:43:27,182 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-27 06:43:27,182 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-27 06:43:27,182 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-27 06:43:27,182 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-27 06:43:27,182 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-27 06:43:27,183 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-27 06:43:27,183 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-27 06:43:27,183 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-27 06:43:27,183 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-27 06:43:27,184 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-27 06:43:27,184 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-27 06:43:27,184 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-27 06:43:27,184 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 06:43:27,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 06:43:27,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 06:43:27,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 06:43:27,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 06:43:27,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 06:43:27,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 06:43:28,638 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 06:43:28,638 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-10-27 06:43:28,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:43:28 BoogieIcfgContainer [2020-10-27 06:43:28,642 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 06:43:28,644 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 06:43:28,644 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 06:43:28,648 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 06:43:28,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 06:43:26" (1/3) ... [2020-10-27 06:43:28,649 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d83030d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 06:43:28, skipping insertion in model container [2020-10-27 06:43:28,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:43:26" (2/3) ... [2020-10-27 06:43:28,650 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d83030d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 06:43:28, skipping insertion in model container [2020-10-27 06:43:28,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:43:28" (3/3) ... [2020-10-27 06:43:28,652 INFO L111 eAbstractionObserver]: Analyzing ICFG transmitter.12.cil.c [2020-10-27 06:43:28,665 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 06:43:28,671 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 06:43:28,685 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 06:43:28,716 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 06:43:28,716 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 06:43:28,716 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 06:43:28,716 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 06:43:28,716 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 06:43:28,717 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 06:43:28,717 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 06:43:28,717 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 06:43:28,746 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states. [2020-10-27 06:43:28,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-10-27 06:43:28,772 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:43:28,774 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:43:28,774 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:43:28,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:43:28,781 INFO L82 PathProgramCache]: Analyzing trace with hash 1795315903, now seen corresponding path program 1 times [2020-10-27 06:43:28,793 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:43:28,794 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [370439215] [2020-10-27 06:43:28,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:43:29,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:29,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:29,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:29,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:29,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:30,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:30,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:31,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:32,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:32,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:32,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:32,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:32,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:32,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:32,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:32,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:32,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:32,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:32,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:32,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:32,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:33,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:33,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:33,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:33,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:33,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:33,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:33,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:34,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:34,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 297 [2020-10-27 06:43:34,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 27 [2020-10-27 06:43:34,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5064 [2020-10-27 06:43:34,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:34,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:43:34,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:43:34,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-27 06:43:34,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 06:43:34,640 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-10-27 06:43:34,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:43:34,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:34,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:34,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:34,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:43:34,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:34,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-27 06:43:34,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:34,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:34,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:34,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:43:34,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:34,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:43:34,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:34,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:34,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:34,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:43:34,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:34,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 06:43:34,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:34,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:34,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:34,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:43:34,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:34,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:43:34,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:34,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:34,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:34,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:43:34,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:34,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:34,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:34,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:34,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:34,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:43:34,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:34,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:43:34,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:34,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:34,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:34,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 06:43:34,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:34,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 06:43:34,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:34,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:34,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:34,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 06:43:34,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:34,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 06:43:34,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:34,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:35,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:35,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 06:43:35,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:35,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-27 06:43:35,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:35,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:43:35,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:43:35,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-27 06:43:35,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:35,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-27 06:43:35,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:35,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:35,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:35,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:35,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:38,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:40,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:40,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-27 06:43:40,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 06:43:40,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 06:43:40,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:40,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 06:43:40,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-27 06:43:40,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:43:40,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:40,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:43:40,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:40,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:40,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:40,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:40,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:40,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:43:40,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:40,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:40,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:40,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:40,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:43:40,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:43:40,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:40,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:40,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:40,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:40,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:40,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:43:40,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:40,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:40,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:40,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:40,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:40,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:43:40,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:40,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:40,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:40,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:40,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:40,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:43:40,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:40,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:40,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:40,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:40,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:40,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:43:40,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:40,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:40,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:40,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:40,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:40,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:43:40,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:40,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:40,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:40,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:40,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:40,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:43:40,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:40,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:40,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:40,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:40,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:40,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 06:43:40,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:40,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:43:40,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:40,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:43:40,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:40,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:43:40,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:40,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:40,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:40,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:40,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:40,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:43:40,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:40,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:40,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:43:40,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:40,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:40,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:43:40,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:40,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:40,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:40,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:40,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:40,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:43:40,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:40,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:40,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:43:40,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:40,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:40,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:43:40,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:40,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:40,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:40,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:40,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:40,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:43:40,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:40,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:40,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:43:40,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:40,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:40,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:43:40,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:40,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:40,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:40,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:40,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:40,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:43:40,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:40,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:40,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:43:40,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:40,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:40,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-27 06:43:40,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:40,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:40,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:40,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:40,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:40,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 06:43:40,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:40,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:40,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:43:40,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:40,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:40,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 06:43:40,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:40,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:40,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:40,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:40,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:40,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:43:40,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:40,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:40,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:43:40,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:40,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:40,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-27 06:43:40,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:40,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:40,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:40,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:40,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:40,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:43:40,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:40,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:40,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:43:40,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:40,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:40,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-27 06:43:40,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:40,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:40,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:40,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:40,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:40,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:43:40,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:40,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:40,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:43:40,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:40,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:40,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-27 06:43:40,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:40,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:40,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:40,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 06:43:40,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:40,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 06:43:40,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:40,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:40,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-27 06:43:40,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:40,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:40,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-10-27 06:43:40,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:40,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:40,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:40,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:43:40,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:40,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:43:40,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:40,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:40,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:43:40,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:40,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:40,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 06:43:40,667 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [370439215] [2020-10-27 06:43:40,669 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:43:40,670 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-27 06:43:40,671 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574891129] [2020-10-27 06:43:40,677 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 06:43:40,677 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:43:40,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 06:43:40,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2020-10-27 06:43:40,695 INFO L87 Difference]: Start difference. First operand 473 states. Second operand 13 states. [2020-10-27 06:43:41,266 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-10-27 06:43:41,524 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 06:43:41,894 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 06:43:44,643 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-10-27 06:43:45,163 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-10-27 06:43:45,638 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-10-27 06:43:45,840 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 06:43:46,343 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-10-27 06:43:46,540 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 06:43:55,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:43:55,980 INFO L93 Difference]: Finished difference Result 1246 states and 2069 transitions. [2020-10-27 06:43:55,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-27 06:43:55,982 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 241 [2020-10-27 06:43:55,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:43:56,007 INFO L225 Difference]: With dead ends: 1246 [2020-10-27 06:43:56,008 INFO L226 Difference]: Without dead ends: 791 [2020-10-27 06:43:56,020 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=158, Invalid=442, Unknown=0, NotChecked=0, Total=600 [2020-10-27 06:43:56,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 791 states. [2020-10-27 06:43:56,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 791 to 466. [2020-10-27 06:43:56,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 466 states. [2020-10-27 06:43:56,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 676 transitions. [2020-10-27 06:43:56,218 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 676 transitions. Word has length 241 [2020-10-27 06:43:56,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:43:56,219 INFO L481 AbstractCegarLoop]: Abstraction has 466 states and 676 transitions. [2020-10-27 06:43:56,219 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 06:43:56,219 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 676 transitions. [2020-10-27 06:43:56,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-10-27 06:43:56,227 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:43:56,228 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:43:56,228 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 06:43:56,228 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:43:56,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:43:56,229 INFO L82 PathProgramCache]: Analyzing trace with hash 1492285183, now seen corresponding path program 1 times [2020-10-27 06:43:56,230 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:43:56,230 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2062658800] [2020-10-27 06:43:56,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:43:56,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:56,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:56,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:56,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:56,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:56,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:56,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:57,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:57,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:57,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:57,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:57,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:57,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:58,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:58,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:59,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:00,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:00,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:00,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:00,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:00,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:00,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:00,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:00,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:00,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:00,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:00,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:00,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:01,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:01,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:01,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:01,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 297 [2020-10-27 06:44:01,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 29 [2020-10-27 06:44:01,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-27 06:44:01,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:01,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:44:01,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:44:01,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-27 06:44:01,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:01,812 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-10-27 06:44:01,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:44:01,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:01,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:01,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:01,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:44:01,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:01,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 06:44:01,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:01,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:01,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:01,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:44:01,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:01,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:44:01,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:01,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:01,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:01,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:44:01,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:01,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:44:01,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:01,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:01,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:01,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:44:01,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:01,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:44:01,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:01,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:01,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:01,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:44:01,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:01,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:01,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:01,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:01,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:01,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:44:01,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:01,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:44:01,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:01,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:01,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:01,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 06:44:01,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:01,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 06:44:01,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:01,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:01,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:01,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 06:44:01,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:02,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 06:44:02,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:02,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:02,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:02,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 06:44:02,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:02,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-27 06:44:02,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:02,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:44:02,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:44:02,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-27 06:44:02,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:02,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-27 06:44:02,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:02,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:02,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:02,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:02,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:03,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:03,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-27 06:44:03,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 06:44:03,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1784 [2020-10-27 06:44:03,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:03,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 06:44:03,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-10-27 06:44:03,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:44:03,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:04,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:44:04,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:04,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:04,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:04,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:04,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:04,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:04,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:04,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:04,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:04,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:04,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:04,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:44:04,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:04,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:04,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:04,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:04,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:04,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:04,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:04,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:04,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:04,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:04,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:04,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:44:04,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:04,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:04,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:04,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:04,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:04,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:44:04,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:04,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:04,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:04,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:04,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:04,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:44:04,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:04,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:04,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:04,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:04,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:04,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:04,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:04,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:04,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:04,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:04,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:04,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:44:04,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:04,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:04,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:04,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:04,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:04,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:04,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:04,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:04,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:04,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:04,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:04,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:44:04,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:04,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:04,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:04,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:04,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:04,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:04,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:04,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:04,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:04,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:04,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:04,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:44:04,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:04,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:04,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:04,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:04,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:04,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:04,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:04,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:04,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:04,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:04,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:04,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:44:04,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:04,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:04,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:04,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:04,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:04,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:44:04,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:04,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:44:04,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:04,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:44:04,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:04,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:44:04,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:04,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:04,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:04,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:04,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:04,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:44:04,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:04,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:04,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:44:04,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:04,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:04,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-27 06:44:04,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:04,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:04,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:04,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:04,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:04,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:04,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:04,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:04,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:44:04,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:04,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:04,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 06:44:04,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:04,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:04,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:04,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:04,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:04,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:04,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:04,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:04,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:44:04,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:04,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:04,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-27 06:44:04,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:04,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:04,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:04,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:04,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:04,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:44:04,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:04,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:04,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:44:04,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:04,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:04,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-27 06:44:04,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:04,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:04,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:04,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:04,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:04,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:04,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:04,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:04,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:44:04,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:04,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:04,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-27 06:44:04,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:04,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:04,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:04,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 06:44:04,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:04,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 06:44:04,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:04,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:04,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-27 06:44:04,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:04,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:04,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-10-27 06:44:04,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:04,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:04,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:04,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:44:04,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:04,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:04,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:04,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:04,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:44:04,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:04,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:04,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 06:44:04,322 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2062658800] [2020-10-27 06:44:04,322 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:44:04,322 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-27 06:44:04,322 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215820548] [2020-10-27 06:44:04,326 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 06:44:04,326 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:44:04,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 06:44:04,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2020-10-27 06:44:04,328 INFO L87 Difference]: Start difference. First operand 466 states and 676 transitions. Second operand 13 states. [2020-10-27 06:44:04,804 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-10-27 06:44:04,979 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 06:44:05,224 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 06:44:08,134 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-10-27 06:44:08,612 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-10-27 06:44:08,822 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 06:44:09,264 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-10-27 06:44:09,462 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 06:44:09,893 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-10-27 06:44:17,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:44:17,987 INFO L93 Difference]: Finished difference Result 1225 states and 1909 transitions. [2020-10-27 06:44:17,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 06:44:17,988 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 241 [2020-10-27 06:44:17,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:44:17,997 INFO L225 Difference]: With dead ends: 1225 [2020-10-27 06:44:17,997 INFO L226 Difference]: Without dead ends: 789 [2020-10-27 06:44:18,001 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=144, Invalid=408, Unknown=0, NotChecked=0, Total=552 [2020-10-27 06:44:18,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2020-10-27 06:44:18,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 471. [2020-10-27 06:44:18,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 471 states. [2020-10-27 06:44:18,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 678 transitions. [2020-10-27 06:44:18,149 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 678 transitions. Word has length 241 [2020-10-27 06:44:18,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:44:18,149 INFO L481 AbstractCegarLoop]: Abstraction has 471 states and 678 transitions. [2020-10-27 06:44:18,149 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 06:44:18,150 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 678 transitions. [2020-10-27 06:44:18,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-10-27 06:44:18,156 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:44:18,156 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:44:18,156 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 06:44:18,157 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:44:18,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:44:18,157 INFO L82 PathProgramCache]: Analyzing trace with hash 140734785, now seen corresponding path program 1 times [2020-10-27 06:44:18,157 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:44:18,158 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1475506256] [2020-10-27 06:44:18,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:44:18,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:18,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:18,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:18,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:18,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:18,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:18,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:18,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:18,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:18,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:19,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:19,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:19,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:20,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:20,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:20,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:20,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:20,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:20,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:20,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:21,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:21,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:21,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:21,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:21,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:21,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:21,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:21,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:22,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:22,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:22,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:23,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:23,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 297 [2020-10-27 06:44:23,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 30 [2020-10-27 06:44:23,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-27 06:44:23,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:23,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:44:23,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:44:23,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-27 06:44:23,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:23,734 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-10-27 06:44:23,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:44:23,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:23,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:23,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:23,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:44:23,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:23,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-27 06:44:23,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:23,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:23,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:23,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:44:23,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:23,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:44:23,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:23,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:23,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:23,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:44:23,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:23,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 06:44:23,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:23,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:23,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:23,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:44:23,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:23,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:44:23,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:23,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:23,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:23,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:44:23,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:23,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:23,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:23,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:23,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:23,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:44:23,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:23,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:44:23,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:23,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:23,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:23,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 06:44:23,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:23,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 06:44:23,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:23,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:23,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:23,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 06:44:23,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:24,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 06:44:24,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:24,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:24,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:24,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 06:44:24,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:24,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-27 06:44:24,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:24,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:44:24,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:44:24,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-27 06:44:24,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:24,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-27 06:44:24,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:24,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:24,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:24,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:24,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:24,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-27 06:44:24,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 06:44:24,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 402 [2020-10-27 06:44:24,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:24,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 06:44:24,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 107 [2020-10-27 06:44:24,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:44:24,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:24,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:44:24,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:24,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:24,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:24,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:24,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:24,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:44:24,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:24,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:24,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:24,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:24,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:24,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:44:24,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:24,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:24,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:24,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:24,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:24,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:44:24,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:24,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:24,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:24,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:24,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:24,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:44:24,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:24,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:24,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:24,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:24,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:24,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:24,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:24,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:24,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:24,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:24,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:24,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:44:24,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:24,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:24,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:24,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:24,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:24,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:24,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:24,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:24,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:24,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:24,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:24,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:44:24,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:24,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:24,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:24,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:24,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:24,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:24,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:24,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:24,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:24,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:24,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:24,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:44:24,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:24,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:24,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:24,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:24,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:24,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:44:24,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:24,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:24,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:24,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:24,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:24,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:44:24,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:24,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:24,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:24,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:24,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:24,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:24,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:24,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:24,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:24,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:24,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:24,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:44:24,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:24,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:24,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:24,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:24,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:24,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:24,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:24,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:24,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:24,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:24,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:24,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:44:24,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:24,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:24,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:24,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:24,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:24,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:24,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:24,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:24,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:24,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:24,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:24,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-27 06:44:24,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:24,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:24,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:24,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:24,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:24,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:44:24,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:24,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:44:24,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:24,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:44:24,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:24,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 06:44:24,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:24,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:24,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:24,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:24,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:24,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:24,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:24,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:24,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:44:24,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:24,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:24,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-27 06:44:24,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:24,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:24,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:24,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:24,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:24,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:44:24,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:24,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:24,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:44:24,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:24,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:24,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-27 06:44:24,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:24,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:24,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:24,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:24,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:24,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:24,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:24,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:24,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:44:24,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:24,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:24,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-27 06:44:24,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:24,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:24,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:24,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 06:44:24,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:24,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 06:44:24,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:24,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:24,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-27 06:44:24,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:24,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:24,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-10-27 06:44:24,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:24,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:24,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:24,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:44:24,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:24,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:24,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:24,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:24,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:44:24,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:24,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:24,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 06:44:24,847 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1475506256] [2020-10-27 06:44:24,847 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:44:24,847 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-27 06:44:24,848 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264929022] [2020-10-27 06:44:24,850 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 06:44:24,850 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:44:24,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 06:44:24,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2020-10-27 06:44:24,851 INFO L87 Difference]: Start difference. First operand 471 states and 678 transitions. Second operand 13 states. [2020-10-27 06:44:25,275 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-10-27 06:44:25,457 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 06:44:25,726 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 06:44:28,603 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-10-27 06:44:29,078 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-10-27 06:44:29,276 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 06:44:29,741 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-10-27 06:44:29,954 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 06:44:30,407 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-10-27 06:44:36,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:44:36,822 INFO L93 Difference]: Finished difference Result 1231 states and 1903 transitions. [2020-10-27 06:44:36,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 06:44:36,823 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 241 [2020-10-27 06:44:36,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:44:36,830 INFO L225 Difference]: With dead ends: 1231 [2020-10-27 06:44:36,831 INFO L226 Difference]: Without dead ends: 790 [2020-10-27 06:44:36,834 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=144, Invalid=408, Unknown=0, NotChecked=0, Total=552 [2020-10-27 06:44:36,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2020-10-27 06:44:36,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 476. [2020-10-27 06:44:36,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 476 states. [2020-10-27 06:44:36,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 680 transitions. [2020-10-27 06:44:36,949 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 680 transitions. Word has length 241 [2020-10-27 06:44:36,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:44:36,949 INFO L481 AbstractCegarLoop]: Abstraction has 476 states and 680 transitions. [2020-10-27 06:44:36,950 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 06:44:36,950 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 680 transitions. [2020-10-27 06:44:36,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-10-27 06:44:36,954 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:44:36,954 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:44:36,955 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 06:44:36,955 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:44:36,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:44:36,955 INFO L82 PathProgramCache]: Analyzing trace with hash -1515861691, now seen corresponding path program 1 times [2020-10-27 06:44:36,956 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:44:36,956 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [506331772] [2020-10-27 06:44:36,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:44:36,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:37,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:37,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:37,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:37,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:37,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:37,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:37,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:37,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:37,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:37,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:37,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:38,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:38,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:38,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:38,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:38,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:38,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:39,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:39,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:39,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:39,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:39,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:39,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:39,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:39,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:39,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:39,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:39,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:40,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:42,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:42,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 297 [2020-10-27 06:44:42,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 29 [2020-10-27 06:44:42,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5037 [2020-10-27 06:44:42,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:42,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:44:42,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:44:42,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-27 06:44:42,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:44:42,475 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-10-27 06:44:42,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:44:42,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:42,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:42,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:42,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:44:42,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:42,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 06:44:42,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:42,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:42,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:42,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:44:42,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:42,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:44:42,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:42,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:42,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:42,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:44:42,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:42,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:44:42,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:42,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:42,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:42,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:44:42,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:42,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:44:42,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:42,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:42,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:42,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:44:42,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:42,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:42,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:42,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:42,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:42,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:44:42,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:42,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:44:42,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:42,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:42,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:42,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 06:44:42,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:42,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-27 06:44:42,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:42,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:42,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:42,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 06:44:42,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:42,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 06:44:42,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:42,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:42,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:42,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 06:44:42,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:42,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 06:44:42,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:42,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:44:42,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:44:42,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-27 06:44:42,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:42,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-27 06:44:42,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:42,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:42,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:42,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:42,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-27 06:44:42,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:44:42,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-27 06:44:42,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:42,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 06:44:42,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-27 06:44:42,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:44:42,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:42,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:44:42,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:42,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:42,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:42,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:42,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:42,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:42,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:42,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:42,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:42,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:42,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:42,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:44:42,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:42,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:42,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:42,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:42,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:42,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:42,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:42,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:42,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:42,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:42,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:42,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:44:42,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:42,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:42,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:42,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:42,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:42,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:42,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:42,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:42,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:42,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:42,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:42,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:44:42,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:42,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:42,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:42,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:42,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:42,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:42,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:42,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:42,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:42,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:42,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:42,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:44:42,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:42,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:42,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:42,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:42,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:42,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:42,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:42,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:42,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:42,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:42,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:42,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:44:42,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:42,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:43,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:43,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:43,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:43,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:43,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:43,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:43,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:43,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:43,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:43,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:44:43,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:43,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:43,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:43,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:43,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:43,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:43,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:43,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:43,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:43,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:43,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:43,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:44:43,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:43,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:43,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:43,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:43,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:43,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:43,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:43,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:43,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:43,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:43,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:43,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:44:43,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:43,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:43,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:43,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:43,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:43,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:43,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:43,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:43,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:43,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:43,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:43,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-27 06:44:43,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:43,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:43,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:43,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:43,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:43,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:43,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:43,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:43,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:43,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:43,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:43,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 06:44:43,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:43,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:43,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:43,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:43,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:43,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:43,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:43,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:43,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:43,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:43,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:43,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-27 06:44:43,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:43,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:43,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:43,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:43,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:43,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:43,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:43,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:43,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:43,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:43,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:43,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-27 06:44:43,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:43,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:43,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:43,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:43,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:43,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:44:43,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:43,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:44:43,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:43,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:44:43,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:43,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-27 06:44:43,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:43,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:43,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:43,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 06:44:43,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:43,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 06:44:43,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:43,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:43,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-27 06:44:43,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:43,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:43,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-10-27 06:44:43,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:43,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:43,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:43,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:44:43,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:43,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:43,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:43,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:43,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:44:43,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:43,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:43,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 06:44:43,224 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [506331772] [2020-10-27 06:44:43,224 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:44:43,225 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-27 06:44:43,225 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265959172] [2020-10-27 06:44:43,225 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 06:44:43,226 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:44:43,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 06:44:43,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-27 06:44:43,226 INFO L87 Difference]: Start difference. First operand 476 states and 680 transitions. Second operand 13 states. [2020-10-27 06:44:43,699 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-10-27 06:44:43,885 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 06:44:44,169 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 06:44:47,779 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-10-27 06:44:48,251 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-10-27 06:44:48,467 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 06:44:48,920 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-10-27 06:44:49,122 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 06:44:49,544 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-10-27 06:44:56,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:44:56,570 INFO L93 Difference]: Finished difference Result 1234 states and 1892 transitions. [2020-10-27 06:44:56,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 06:44:56,571 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 241 [2020-10-27 06:44:56,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:44:56,578 INFO L225 Difference]: With dead ends: 1234 [2020-10-27 06:44:56,578 INFO L226 Difference]: Without dead ends: 788 [2020-10-27 06:44:56,581 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=143, Invalid=409, Unknown=0, NotChecked=0, Total=552 [2020-10-27 06:44:56,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 788 states. [2020-10-27 06:44:56,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 788 to 481. [2020-10-27 06:44:56,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 481 states. [2020-10-27 06:44:56,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 682 transitions. [2020-10-27 06:44:56,695 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 682 transitions. Word has length 241 [2020-10-27 06:44:56,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:44:56,696 INFO L481 AbstractCegarLoop]: Abstraction has 481 states and 682 transitions. [2020-10-27 06:44:56,696 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 06:44:56,696 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 682 transitions. [2020-10-27 06:44:56,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-10-27 06:44:56,700 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:44:56,701 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:44:56,701 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 06:44:56,701 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:44:56,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:44:56,701 INFO L82 PathProgramCache]: Analyzing trace with hash -1163876797, now seen corresponding path program 1 times [2020-10-27 06:44:56,702 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:44:56,702 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1975926958] [2020-10-27 06:44:56,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:44:56,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:56,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:56,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:56,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:56,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:57,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:57,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:57,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:57,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:57,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:57,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:57,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:57,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:57,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:57,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:57,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:58,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:58,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:58,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:58,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:58,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:58,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:58,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:58,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:58,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:58,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:58,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:58,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:01,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:01,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 297 [2020-10-27 06:45:01,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 27 [2020-10-27 06:45:01,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5034 [2020-10-27 06:45:01,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:01,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:45:01,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:45:01,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-27 06:45:01,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:45:02,240 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-10-27 06:45:02,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:45:02,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:02,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:02,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:02,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:45:02,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:02,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 06:45:02,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:02,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:45:02,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:02,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:45:02,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:02,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:45:02,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:02,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:02,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:02,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:45:02,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:02,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:45:02,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:02,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:45:02,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:02,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:45:02,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:02,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:45:02,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:02,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:02,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:02,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:45:02,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:02,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:02,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:02,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:45:02,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:02,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:45:02,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:02,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:45:02,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:02,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:02,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:02,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 06:45:02,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:02,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:45:02,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:02,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:45:02,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:02,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 06:45:02,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:02,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 06:45:02,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:02,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:02,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:02,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 06:45:02,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:02,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 06:45:02,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:02,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:45:02,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:45:02,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-27 06:45:02,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:02,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-27 06:45:02,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:02,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:02,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:02,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-27 06:45:02,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:02,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 06:45:02,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:02,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:02,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 148 [2020-10-27 06:45:02,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:02,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:02,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:45:02,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:02,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:02,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:02,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:02,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:02,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:02,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:02,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:02,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:02,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:02,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:02,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:45:02,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:02,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:02,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:02,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:02,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:02,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:02,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:02,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:02,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:02,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:02,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:02,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:45:02,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:02,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:02,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:02,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:02,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:02,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:02,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:02,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:02,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:02,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:02,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:02,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:45:02,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:02,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:02,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:02,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:02,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:02,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:02,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:02,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:02,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:02,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:02,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:02,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:45:02,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:02,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:02,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:02,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:02,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:02,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:02,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:02,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:02,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:02,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:02,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:02,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:45:02,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:02,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:02,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:02,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:02,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:02,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:02,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:02,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:02,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:02,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:02,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:02,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:45:02,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:02,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:02,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:02,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:02,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:02,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:02,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:02,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:02,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:02,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:02,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:02,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:45:02,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:02,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:02,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:02,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:02,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:02,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:02,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:02,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:02,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:02,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:02,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:02,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:45:02,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:02,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:02,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:02,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:02,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:02,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:02,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:02,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:02,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:02,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:02,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:02,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-27 06:45:02,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:02,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:02,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:02,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:02,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:02,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:02,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:02,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:02,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:02,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:02,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:02,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 06:45:02,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:02,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:02,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:02,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:02,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:02,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:02,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:02,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:02,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:02,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:02,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:02,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-27 06:45:02,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:02,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:02,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:02,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:02,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:02,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:02,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:02,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:02,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:02,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:02,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:02,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-27 06:45:02,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:02,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:02,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:02,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:02,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:02,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:02,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:02,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:02,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:02,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:02,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:02,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-27 06:45:02,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:02,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:02,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:02,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 06:45:02,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:02,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 06:45:02,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:02,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:02,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-27 06:45:02,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:02,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:02,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-10-27 06:45:02,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:02,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:02,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:02,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:45:02,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:02,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:02,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:02,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:02,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:45:02,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:02,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:02,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 06:45:02,811 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1975926958] [2020-10-27 06:45:02,812 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:45:02,812 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 06:45:02,812 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191430710] [2020-10-27 06:45:02,813 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 06:45:02,814 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:45:02,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 06:45:02,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-27 06:45:02,815 INFO L87 Difference]: Start difference. First operand 481 states and 682 transitions. Second operand 9 states. [2020-10-27 06:45:03,279 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-10-27 06:45:03,454 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 06:45:03,706 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 06:45:10,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:45:10,257 INFO L93 Difference]: Finished difference Result 1237 states and 1835 transitions. [2020-10-27 06:45:10,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 06:45:10,257 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 241 [2020-10-27 06:45:10,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:45:10,264 INFO L225 Difference]: With dead ends: 1237 [2020-10-27 06:45:10,264 INFO L226 Difference]: Without dead ends: 786 [2020-10-27 06:45:10,267 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-27 06:45:10,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2020-10-27 06:45:10,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 481. [2020-10-27 06:45:10,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 481 states. [2020-10-27 06:45:10,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 679 transitions. [2020-10-27 06:45:10,381 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 679 transitions. Word has length 241 [2020-10-27 06:45:10,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:45:10,381 INFO L481 AbstractCegarLoop]: Abstraction has 481 states and 679 transitions. [2020-10-27 06:45:10,381 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 06:45:10,381 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 679 transitions. [2020-10-27 06:45:10,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-10-27 06:45:10,384 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:45:10,384 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:45:10,384 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 06:45:10,384 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:45:10,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:45:10,385 INFO L82 PathProgramCache]: Analyzing trace with hash 1185069955, now seen corresponding path program 1 times [2020-10-27 06:45:10,385 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:45:10,385 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1222141673] [2020-10-27 06:45:10,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:45:10,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:10,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:10,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:10,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:10,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:10,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:10,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:10,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:10,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:10,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:10,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:11,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:11,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:11,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:11,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:11,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:11,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:11,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:11,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:11,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:11,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:11,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:11,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:11,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:11,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:11,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:12,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:15,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:15,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 297 [2020-10-27 06:45:15,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 26 [2020-10-27 06:45:15,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-27 06:45:15,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:15,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:45:15,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:45:15,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-27 06:45:15,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:15,863 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-10-27 06:45:15,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:45:15,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:15,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:15,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:15,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:45:15,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:15,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 06:45:15,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:15,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:45:15,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:15,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:45:15,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:15,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:45:15,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:15,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:15,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:15,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:45:15,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:15,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:45:15,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:15,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:45:15,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:15,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:45:15,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:15,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:45:15,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:15,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:15,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:15,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:45:15,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:15,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:45:15,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:15,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:45:15,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:15,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:45:15,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:15,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:45:16,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:16,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:16,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:16,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 06:45:16,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:16,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:45:16,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:16,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:45:16,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:16,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 06:45:16,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:16,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 06:45:16,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:16,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:16,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:16,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 06:45:16,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:16,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 06:45:16,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:16,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:45:16,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:45:16,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-27 06:45:16,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:16,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-27 06:45:16,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:16,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:16,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:16,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-27 06:45:16,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:16,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 06:45:16,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:16,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:16,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 148 [2020-10-27 06:45:16,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:16,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:16,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:45:16,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:16,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:16,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:16,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:16,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:16,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:16,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:16,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:16,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:16,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:16,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:16,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:45:16,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:16,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:16,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:16,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:16,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:16,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:16,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:16,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:16,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:16,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:16,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:16,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:45:16,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:16,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:16,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:16,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:16,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:16,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:16,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:16,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:16,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:16,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:16,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:16,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:45:16,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:16,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:16,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:16,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:16,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:16,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:16,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:16,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:16,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:16,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:16,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:16,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:45:16,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:16,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:16,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:16,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:16,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:16,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:16,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:16,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:16,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:16,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:16,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:16,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:45:16,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:16,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:16,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:16,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:16,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:16,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:16,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:16,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:16,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:16,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:16,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:16,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:45:16,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:16,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:16,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:16,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:16,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:16,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:16,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:16,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:16,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:16,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:16,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:16,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:45:16,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:16,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:16,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:16,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:16,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:16,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:16,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:16,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:16,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:16,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:16,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:16,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:45:16,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:16,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:16,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:16,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:16,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:16,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:16,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:16,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:16,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:16,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:16,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:16,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-27 06:45:16,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:16,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:16,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:16,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:16,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:16,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:16,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:16,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:16,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:16,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:16,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:16,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 06:45:16,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:16,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:16,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:16,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:16,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:16,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:16,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:16,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:16,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:16,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:16,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:16,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-27 06:45:16,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:16,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:16,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:16,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:16,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:16,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:16,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:16,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:16,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:16,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:16,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:16,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-27 06:45:16,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:16,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:16,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:16,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:16,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:16,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:16,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:16,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:16,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:16,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:16,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:16,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-27 06:45:16,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:16,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:16,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:16,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 06:45:16,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:16,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 06:45:16,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:16,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:16,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-27 06:45:16,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:16,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:16,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-10-27 06:45:16,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:16,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:16,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:16,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:45:16,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:16,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:16,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:16,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:16,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:45:16,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:16,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:16,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 06:45:16,416 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1222141673] [2020-10-27 06:45:16,416 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:45:16,416 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 06:45:16,417 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320243817] [2020-10-27 06:45:16,417 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 06:45:16,417 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:45:16,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 06:45:16,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-27 06:45:16,418 INFO L87 Difference]: Start difference. First operand 481 states and 679 transitions. Second operand 9 states. [2020-10-27 06:45:16,879 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-10-27 06:45:17,052 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 06:45:17,293 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 06:45:22,018 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 06:45:25,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:45:25,694 INFO L93 Difference]: Finished difference Result 1434 states and 2128 transitions. [2020-10-27 06:45:25,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 06:45:25,695 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 241 [2020-10-27 06:45:25,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:45:25,704 INFO L225 Difference]: With dead ends: 1434 [2020-10-27 06:45:25,704 INFO L226 Difference]: Without dead ends: 983 [2020-10-27 06:45:25,707 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2020-10-27 06:45:25,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 983 states. [2020-10-27 06:45:25,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 983 to 632. [2020-10-27 06:45:25,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 632 states. [2020-10-27 06:45:25,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 863 transitions. [2020-10-27 06:45:25,861 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 863 transitions. Word has length 241 [2020-10-27 06:45:25,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:45:25,861 INFO L481 AbstractCegarLoop]: Abstraction has 632 states and 863 transitions. [2020-10-27 06:45:25,861 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 06:45:25,862 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 863 transitions. [2020-10-27 06:45:25,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-10-27 06:45:25,864 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:45:25,864 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:45:25,865 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 06:45:25,865 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:45:25,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:45:25,865 INFO L82 PathProgramCache]: Analyzing trace with hash 782704195, now seen corresponding path program 1 times [2020-10-27 06:45:25,866 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:45:25,866 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1956267538] [2020-10-27 06:45:25,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:45:25,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:25,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:25,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:25,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:26,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:26,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:26,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:26,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:26,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:26,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:26,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:26,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:26,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:26,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:26,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:26,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:26,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:26,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:26,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:26,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:26,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:26,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:27,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:27,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:27,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:27,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:30,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:30,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 297 [2020-10-27 06:45:30,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 25 [2020-10-27 06:45:30,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-27 06:45:30,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:30,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:45:30,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:45:30,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-27 06:45:30,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:31,317 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-10-27 06:45:31,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:45:31,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:31,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:31,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:31,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:45:31,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:31,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 06:45:31,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:31,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:45:31,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:31,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:45:31,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:31,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:45:31,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:31,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:31,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:31,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:45:31,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:31,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:45:31,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:31,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:45:31,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:31,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:45:31,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:31,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:45:31,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:31,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:31,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:31,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:45:31,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:31,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:45:31,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:31,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:45:31,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:31,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:45:31,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:31,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:45:31,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:31,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:31,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:31,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 06:45:31,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:31,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:45:31,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:31,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:45:31,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:31,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 06:45:31,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:31,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 06:45:31,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:31,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:31,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:31,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 06:45:31,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:31,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 06:45:31,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:31,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:45:31,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:45:31,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-27 06:45:31,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:31,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-27 06:45:31,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:31,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:31,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:31,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-27 06:45:31,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:31,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 06:45:31,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:31,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:31,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 148 [2020-10-27 06:45:31,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:31,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:31,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:45:31,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:31,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:31,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:31,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:31,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:31,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:31,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:31,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:31,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:31,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:31,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:31,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:45:31,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:31,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:31,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:31,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:31,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:31,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:45:31,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:31,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:31,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:31,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:31,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:31,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:45:31,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:31,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:31,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:31,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:31,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:31,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:31,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:31,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:31,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:31,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:31,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:31,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:45:31,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:31,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:31,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:31,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:31,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:31,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:31,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:31,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:31,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:31,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:31,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:31,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:45:31,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:31,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:31,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:31,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:31,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:31,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:31,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:31,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:31,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:31,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:31,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:31,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:45:31,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:31,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:31,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:31,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:31,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:31,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:45:31,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:31,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:31,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:31,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:31,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:31,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:45:31,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:31,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:31,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:31,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:31,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:31,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:45:31,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:31,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:31,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:31,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:31,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:31,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:45:31,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:31,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:31,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:31,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:31,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:31,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:45:31,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:31,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:31,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:31,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:31,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:31,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:45:31,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:31,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:31,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:31,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:31,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:31,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:45:31,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:31,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:31,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:31,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:31,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:31,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-27 06:45:31,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:31,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:31,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:31,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:31,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:31,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:45:31,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:31,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:31,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:31,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:31,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:31,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 06:45:31,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:31,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:31,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:31,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:31,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:31,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:45:31,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:31,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:31,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:31,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:31,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:31,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-27 06:45:31,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:31,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:31,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:31,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:31,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:31,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:45:31,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:31,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:31,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:31,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:31,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:31,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-27 06:45:31,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:31,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:31,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:31,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:31,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:31,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:45:31,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:31,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:31,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:31,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:31,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:31,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-27 06:45:31,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:31,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:31,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:31,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 06:45:31,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:31,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:45:31,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:31,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:31,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-27 06:45:31,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:31,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:31,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-10-27 06:45:31,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:31,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:31,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:31,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:45:31,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:31,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:31,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:31,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:31,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:45:31,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:31,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:31,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 06:45:31,759 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1956267538] [2020-10-27 06:45:31,759 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:45:31,759 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 06:45:31,759 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668657057] [2020-10-27 06:45:31,760 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 06:45:31,760 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:45:31,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 06:45:31,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-27 06:45:31,760 INFO L87 Difference]: Start difference. First operand 632 states and 863 transitions. Second operand 9 states. [2020-10-27 06:45:32,210 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-10-27 06:45:32,374 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 06:45:32,599 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 06:45:40,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:45:40,692 INFO L93 Difference]: Finished difference Result 1585 states and 2262 transitions. [2020-10-27 06:45:40,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 06:45:40,693 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 241 [2020-10-27 06:45:40,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:45:40,699 INFO L225 Difference]: With dead ends: 1585 [2020-10-27 06:45:40,700 INFO L226 Difference]: Without dead ends: 983 [2020-10-27 06:45:40,702 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-27 06:45:40,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 983 states. [2020-10-27 06:45:40,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 983 to 632. [2020-10-27 06:45:40,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 632 states. [2020-10-27 06:45:40,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 860 transitions. [2020-10-27 06:45:40,863 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 860 transitions. Word has length 241 [2020-10-27 06:45:40,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:45:40,863 INFO L481 AbstractCegarLoop]: Abstraction has 632 states and 860 transitions. [2020-10-27 06:45:40,863 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 06:45:40,863 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 860 transitions. [2020-10-27 06:45:40,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-10-27 06:45:40,866 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:45:40,866 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:45:40,866 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 06:45:40,866 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:45:40,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:45:40,867 INFO L82 PathProgramCache]: Analyzing trace with hash -1032264829, now seen corresponding path program 1 times [2020-10-27 06:45:40,867 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:45:40,867 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [652624627] [2020-10-27 06:45:40,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:45:40,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:40,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:41,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:41,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:41,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:41,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:41,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:41,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:41,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:41,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:41,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:41,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:41,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:41,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:42,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:42,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:42,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:42,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:42,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:42,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:42,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:42,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:42,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:42,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:42,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:45,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:45,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 297 [2020-10-27 06:45:45,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 24 [2020-10-27 06:45:45,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-27 06:45:45,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:45,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 06:45:45,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:45:45,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-27 06:45:45,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:46,326 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-10-27 06:45:46,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:45:46,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:46,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:46,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:46,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:45:46,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:46,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 06:45:46,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:46,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:45:46,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:46,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:45:46,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:46,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:45:46,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:46,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:46,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:46,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:45:46,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:46,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:45:46,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:46,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:45:46,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:46,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:45:46,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:46,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:45:46,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:46,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:46,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:46,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:45:46,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:46,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:46,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:46,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:45:46,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:46,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:45:46,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:46,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:45:46,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:46,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:46,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:46,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 06:45:46,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:46,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 06:45:46,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:46,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:45:46,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:46,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 06:45:46,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:46,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 06:45:46,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:46,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:46,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:46,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 06:45:46,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:46,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 06:45:46,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:46,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:45:46,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:46,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-27 06:45:46,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:46,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-27 06:45:46,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:46,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:46,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:46,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-27 06:45:46,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:46,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 06:45:46,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:46,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:45:46,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-27 06:45:46,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-27 06:45:46,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:46,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:45:46,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:46,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:46,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:46,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:46,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:46,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:46,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:46,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:46,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:46,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:46,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:46,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:45:46,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:46,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:46,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:46,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:46,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:46,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:45:46,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:46,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:46,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:46,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:46,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:46,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:45:46,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:46,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:46,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:46,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:46,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:46,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:46,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:46,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:46,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:46,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:46,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:46,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:45:46,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:46,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:46,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:46,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:46,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:46,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:46,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:46,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:46,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:46,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:46,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:46,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:45:46,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:46,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:46,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:46,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:46,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:46,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:46,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:46,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:46,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:46,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:46,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:46,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:45:46,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:46,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:46,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:46,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:46,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:46,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:45:46,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:46,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:45:46,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:46,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 06:45:46,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:46,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:45:46,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:46,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:46,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:46,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:46,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:46,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:45:46,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:46,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:45:46,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:46,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:45:46,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:46,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:45:46,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:46,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:46,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:46,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:46,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:46,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:45:46,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:46,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:45:46,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:46,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:45:46,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:46,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:45:46,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:46,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:46,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:46,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:46,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:46,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:45:46,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:46,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:45:46,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:46,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:45:46,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:46,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-27 06:45:46,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:46,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:46,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:46,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:46,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:46,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:46,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:46,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:45:46,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:46,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:45:46,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:46,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 06:45:46,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:46,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:46,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:46,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:46,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:46,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:45:46,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:46,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:45:46,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:46,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:45:46,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:46,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-27 06:45:46,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:46,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:46,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:46,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:46,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:46,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:45:46,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:46,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:45:46,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:46,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:45:46,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:46,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-27 06:45:46,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:46,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:46,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:46,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:46,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:46,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:45:46,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:46,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:45:46,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:46,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:45:46,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:46,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-27 06:45:46,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:46,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:46,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:46,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 06:45:46,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:46,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 06:45:46,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:46,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:46,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-27 06:45:46,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:46,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:46,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-10-27 06:45:46,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:46,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:46,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:46,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:45:46,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:46,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:46,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:46,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:46,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:45:46,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:46,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:46,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 06:45:46,809 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [652624627] [2020-10-27 06:45:46,809 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:45:46,809 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 06:45:46,809 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118265454] [2020-10-27 06:45:46,810 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 06:45:46,810 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:45:46,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 06:45:46,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-27 06:45:46,811 INFO L87 Difference]: Start difference. First operand 632 states and 860 transitions. Second operand 8 states. [2020-10-27 06:45:47,256 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-10-27 06:45:47,418 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 06:45:47,652 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 06:45:51,762 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 06:45:52,764 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-10-27 06:46:03,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:46:03,808 INFO L93 Difference]: Finished difference Result 2518 states and 3651 transitions. [2020-10-27 06:46:03,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 06:46:03,809 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 241 [2020-10-27 06:46:03,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:46:03,824 INFO L225 Difference]: With dead ends: 2518 [2020-10-27 06:46:03,824 INFO L226 Difference]: Without dead ends: 1917 [2020-10-27 06:46:03,828 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2020-10-27 06:46:03,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1917 states. [2020-10-27 06:46:04,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1917 to 1254. [2020-10-27 06:46:04,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1254 states. [2020-10-27 06:46:04,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1254 states to 1254 states and 1716 transitions. [2020-10-27 06:46:04,234 INFO L78 Accepts]: Start accepts. Automaton has 1254 states and 1716 transitions. Word has length 241 [2020-10-27 06:46:04,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:46:04,236 INFO L481 AbstractCegarLoop]: Abstraction has 1254 states and 1716 transitions. [2020-10-27 06:46:04,236 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 06:46:04,236 INFO L276 IsEmpty]: Start isEmpty. Operand 1254 states and 1716 transitions. [2020-10-27 06:46:04,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-10-27 06:46:04,239 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:46:04,240 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:46:04,240 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 06:46:04,240 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:46:04,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:46:04,241 INFO L82 PathProgramCache]: Analyzing trace with hash 1106326084, now seen corresponding path program 1 times [2020-10-27 06:46:04,241 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:46:04,241 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [461931793] [2020-10-27 06:46:04,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:46:04,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:04,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:04,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:04,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:04,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:04,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:04,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:04,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:04,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:04,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:04,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:05,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:05,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:05,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:05,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:05,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:06,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:06,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:06,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:06,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:06,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:06,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:06,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:06,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:06,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:06,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:09,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:09,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 297 [2020-10-27 06:46:09,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 25 [2020-10-27 06:46:09,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-27 06:46:09,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:09,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:46:09,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:46:09,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-27 06:46:09,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:09,699 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-10-27 06:46:09,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:46:09,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:09,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:09,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:09,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:46:09,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:09,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 06:46:09,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:09,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:46:09,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:09,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:46:09,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:09,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:46:09,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:09,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:09,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:09,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:46:09,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:09,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:46:09,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:09,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:46:09,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:09,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:46:09,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:09,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:46:09,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:09,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:09,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:09,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:46:09,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:09,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:46:09,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:09,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:46:09,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:09,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:46:09,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:09,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:46:09,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:09,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:09,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:09,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 06:46:09,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:09,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:46:09,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:09,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:46:09,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:09,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 06:46:09,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:09,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 06:46:09,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:09,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:09,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:09,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 06:46:09,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:09,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 06:46:09,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:09,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:46:09,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:46:09,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-27 06:46:09,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:09,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-27 06:46:09,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:09,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:09,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:10,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:10,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-27 06:46:10,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:46:10,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-27 06:46:10,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:10,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 06:46:10,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-27 06:46:10,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:46:10,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:10,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:46:10,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:10,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:10,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:10,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:10,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:10,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:46:10,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:10,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:10,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:10,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:10,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:10,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:46:10,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:10,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:10,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:10,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:10,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:10,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:46:10,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:10,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:10,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:10,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:10,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:10,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:46:10,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:10,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:10,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:10,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:10,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:10,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:46:10,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:10,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:10,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:10,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:10,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:10,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:46:10,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:10,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:10,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:10,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:10,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:10,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:46:10,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:10,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:10,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:10,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:10,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:10,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:46:10,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:10,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:10,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:10,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:10,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:10,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:46:10,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:10,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:10,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:10,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:10,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:10,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:46:10,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:10,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:10,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:10,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:10,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:10,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:46:10,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:10,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:46:10,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:10,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:46:10,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:10,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:46:10,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:10,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:10,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:10,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:10,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:10,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:46:10,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:10,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:10,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:46:10,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:10,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:10,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:46:10,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:10,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:10,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:10,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:10,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:10,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:46:10,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:10,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:10,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:46:10,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:10,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:10,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:46:10,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:10,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:10,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:10,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:10,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:10,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:46:10,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:10,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:10,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:46:10,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:10,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:10,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-27 06:46:10,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:10,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:10,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:10,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:10,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:10,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:46:10,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:10,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:10,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:46:10,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:10,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:10,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 06:46:10,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:10,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:10,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:10,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:10,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:10,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:46:10,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:10,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:10,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:46:10,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:10,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:10,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-27 06:46:10,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:10,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:10,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:10,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:10,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:10,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:46:10,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:10,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:10,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:46:10,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:10,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:10,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-27 06:46:10,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:10,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:10,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:10,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:10,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:10,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:46:10,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:10,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:10,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:46:10,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:10,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:10,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-27 06:46:10,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:10,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:10,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:10,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 06:46:10,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:10,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 06:46:10,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:10,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:10,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-27 06:46:10,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:10,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:10,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-10-27 06:46:10,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:10,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:10,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:10,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:46:10,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:10,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:46:10,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:10,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:10,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:46:10,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:10,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:10,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 06:46:10,324 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [461931793] [2020-10-27 06:46:10,324 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:46:10,324 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-27 06:46:10,324 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948541193] [2020-10-27 06:46:10,325 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 06:46:10,325 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:46:10,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 06:46:10,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-27 06:46:10,326 INFO L87 Difference]: Start difference. First operand 1254 states and 1716 transitions. Second operand 13 states. [2020-10-27 06:46:10,762 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-10-27 06:46:10,931 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 06:46:11,208 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 06:46:13,525 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-10-27 06:46:13,955 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-10-27 06:46:14,170 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 06:46:14,631 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-10-27 06:46:14,801 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 06:46:15,220 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-10-27 06:46:20,036 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 06:46:21,218 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-10-27 06:46:21,653 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-10-27 06:46:21,930 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 06:46:22,396 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-10-27 06:46:22,576 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 06:46:23,059 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-10-27 06:46:28,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:46:28,439 INFO L93 Difference]: Finished difference Result 3436 states and 4980 transitions. [2020-10-27 06:46:28,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-27 06:46:28,440 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 241 [2020-10-27 06:46:28,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:46:28,451 INFO L225 Difference]: With dead ends: 3436 [2020-10-27 06:46:28,451 INFO L226 Difference]: Without dead ends: 2212 [2020-10-27 06:46:28,457 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=262, Invalid=860, Unknown=0, NotChecked=0, Total=1122 [2020-10-27 06:46:28,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2212 states. [2020-10-27 06:46:28,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2212 to 1420. [2020-10-27 06:46:28,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1420 states. [2020-10-27 06:46:28,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1420 states to 1420 states and 1906 transitions. [2020-10-27 06:46:28,887 INFO L78 Accepts]: Start accepts. Automaton has 1420 states and 1906 transitions. Word has length 241 [2020-10-27 06:46:28,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:46:28,887 INFO L481 AbstractCegarLoop]: Abstraction has 1420 states and 1906 transitions. [2020-10-27 06:46:28,887 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 06:46:28,887 INFO L276 IsEmpty]: Start isEmpty. Operand 1420 states and 1906 transitions. [2020-10-27 06:46:28,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-10-27 06:46:28,891 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:46:28,891 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:46:28,891 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 06:46:28,892 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:46:28,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:46:28,892 INFO L82 PathProgramCache]: Analyzing trace with hash 491583335, now seen corresponding path program 1 times [2020-10-27 06:46:28,892 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:46:28,893 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [928427970] [2020-10-27 06:46:28,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:46:28,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:28,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:28,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:29,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:29,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:29,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:29,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:29,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:29,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:29,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:29,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:29,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:29,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:30,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:30,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:30,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:30,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:30,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:30,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:30,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:30,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:30,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:30,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:33,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:33,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 297 [2020-10-27 06:46:33,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 22 [2020-10-27 06:46:33,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-27 06:46:33,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:33,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 06:46:33,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:46:33,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-27 06:46:33,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:34,389 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-10-27 06:46:34,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:46:34,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:34,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:34,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:34,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:46:34,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:34,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 06:46:34,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:34,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:46:34,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:34,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:46:34,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:34,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:46:34,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:34,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:34,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:34,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:46:34,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:34,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:46:34,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:34,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:46:34,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:34,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:46:34,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:34,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:46:34,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:34,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:34,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:34,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:46:34,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:34,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:46:34,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:34,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:46:34,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:34,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:46:34,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:34,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:46:34,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:34,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:34,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:34,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 06:46:34,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:34,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 06:46:34,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:34,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:46:34,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:34,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 06:46:34,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:34,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 06:46:34,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:34,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:34,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:34,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 06:46:34,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:34,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 06:46:34,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:34,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:46:34,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:34,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-27 06:46:34,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:34,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-27 06:46:34,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:34,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:34,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:34,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:34,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-27 06:46:34,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:46:34,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-10-27 06:46:34,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:34,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:46:34,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-27 06:46:34,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-27 06:46:34,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:34,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:46:34,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:34,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:34,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:34,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:34,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:34,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:46:34,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:34,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:34,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:34,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:34,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:34,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:46:34,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:34,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:34,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:34,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:34,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:34,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:46:34,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:34,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:46:34,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:34,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 06:46:34,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:34,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:46:34,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:34,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:34,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:34,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:34,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:34,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:46:34,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:34,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:46:34,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:34,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:46:34,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:34,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:46:34,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:34,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:34,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:34,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:34,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:34,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:46:34,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:34,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:46:34,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:34,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:46:34,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:34,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:46:34,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:34,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:34,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:34,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:34,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:34,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:46:34,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:34,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:46:34,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:34,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:46:34,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:34,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:46:34,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:34,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:34,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:34,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:34,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:34,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:46:34,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:34,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:46:34,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:34,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:46:34,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:34,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:46:34,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:34,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:34,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:34,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:34,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:34,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:46:34,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:34,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:46:34,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:34,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:46:34,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:34,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:46:34,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:34,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:34,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:34,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:34,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:34,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:46:34,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:34,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:46:34,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:34,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:46:34,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:34,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:46:34,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:34,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:34,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:34,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:34,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:34,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:46:34,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:34,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:46:34,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:34,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:46:34,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:34,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-27 06:46:34,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:34,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:34,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:34,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:34,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:34,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:46:34,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:34,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:46:34,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:34,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:46:34,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:34,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 06:46:34,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:34,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:34,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:34,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:34,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:34,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:46:34,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:34,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:46:34,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:34,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:46:34,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:34,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-27 06:46:34,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:34,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:34,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:34,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:34,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:34,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:46:34,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:34,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:46:34,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:34,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:46:34,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:34,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-27 06:46:34,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:34,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:34,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:34,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:34,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:34,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:46:34,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:34,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:46:34,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:34,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:46:34,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:34,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-27 06:46:34,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:34,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:34,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:34,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 06:46:34,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:34,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:46:34,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:34,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:34,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-27 06:46:34,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:34,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:34,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-10-27 06:46:34,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:34,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:34,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:34,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:46:34,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:34,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:46:34,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:34,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:34,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:46:34,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:34,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:35,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 06:46:35,030 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [928427970] [2020-10-27 06:46:35,031 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:46:35,031 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 06:46:35,031 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511951336] [2020-10-27 06:46:35,032 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 06:46:35,032 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:46:35,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 06:46:35,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-27 06:46:35,033 INFO L87 Difference]: Start difference. First operand 1420 states and 1906 transitions. Second operand 8 states. [2020-10-27 06:46:35,471 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-10-27 06:46:35,637 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 06:46:35,871 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 06:46:39,029 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 06:46:39,885 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-10-27 06:46:50,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:46:50,117 INFO L93 Difference]: Finished difference Result 5582 states and 7955 transitions. [2020-10-27 06:46:50,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 06:46:50,118 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 241 [2020-10-27 06:46:50,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:46:50,148 INFO L225 Difference]: With dead ends: 5582 [2020-10-27 06:46:50,149 INFO L226 Difference]: Without dead ends: 4193 [2020-10-27 06:46:50,156 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2020-10-27 06:46:50,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4193 states. [2020-10-27 06:46:51,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4193 to 2823. [2020-10-27 06:46:51,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2823 states. [2020-10-27 06:46:51,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2823 states to 2823 states and 3794 transitions. [2020-10-27 06:46:51,076 INFO L78 Accepts]: Start accepts. Automaton has 2823 states and 3794 transitions. Word has length 241 [2020-10-27 06:46:51,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:46:51,076 INFO L481 AbstractCegarLoop]: Abstraction has 2823 states and 3794 transitions. [2020-10-27 06:46:51,076 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 06:46:51,077 INFO L276 IsEmpty]: Start isEmpty. Operand 2823 states and 3794 transitions. [2020-10-27 06:46:51,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-10-27 06:46:51,080 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:46:51,080 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:46:51,080 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 06:46:51,080 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:46:51,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:46:51,081 INFO L82 PathProgramCache]: Analyzing trace with hash 884783528, now seen corresponding path program 1 times [2020-10-27 06:46:51,081 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:46:51,082 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [756869762] [2020-10-27 06:46:51,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:46:51,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:51,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:51,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:51,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:51,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:51,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:51,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:51,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:51,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:51,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:52,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:52,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:52,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:52,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:52,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:52,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:52,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:52,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:53,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:53,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:53,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:53,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:53,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:56,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:56,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 297 [2020-10-27 06:46:56,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 22 [2020-10-27 06:46:56,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-27 06:46:56,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:56,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:46:56,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:46:56,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-27 06:46:56,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:56,572 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-10-27 06:46:56,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:46:56,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:56,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:56,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:56,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:46:56,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:56,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-27 06:46:56,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:56,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:46:56,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:56,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:46:56,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:56,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:46:56,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:56,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:56,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:56,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:46:56,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:56,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:46:56,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:56,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:46:56,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:56,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:46:56,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:56,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:46:56,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:56,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:56,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:56,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:46:56,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:56,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:46:56,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:56,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:46:56,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:56,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:46:56,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:56,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:46:56,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:56,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:56,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:56,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 06:46:56,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:56,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:46:56,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:56,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:46:56,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:56,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 06:46:56,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:56,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 06:46:56,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:56,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:56,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:56,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 06:46:56,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:56,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-27 06:46:56,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:56,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:46:56,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:46:56,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-27 06:46:56,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:56,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-27 06:46:56,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:56,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:56,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:56,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:57,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:57,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-27 06:46:57,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 06:46:57,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 400 [2020-10-27 06:46:57,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:57,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 06:46:57,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 06:46:57,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:46:57,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:57,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:46:57,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:57,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:57,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:57,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:57,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:57,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:46:57,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:57,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:57,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:57,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:57,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:57,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:46:57,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:57,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:57,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:57,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:57,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:57,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:46:57,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:57,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:46:57,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:57,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:46:57,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:57,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:46:57,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:57,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:57,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:57,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:57,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:57,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:46:57,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:57,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:57,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:46:57,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:57,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:57,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:46:57,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:57,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:57,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:57,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:57,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:57,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:46:57,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:57,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:57,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:46:57,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:57,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:57,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:46:57,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:57,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:57,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:57,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:57,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:57,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:46:57,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:57,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:57,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:46:57,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:57,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:57,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:46:57,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:57,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:57,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:57,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:57,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:57,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:46:57,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:57,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:57,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:46:57,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:57,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:57,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:46:57,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:57,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:57,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:57,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:57,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:57,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:46:57,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:57,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:57,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:46:57,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:57,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:57,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:46:57,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:57,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:57,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:57,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:57,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:57,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:46:57,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:57,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:57,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:46:57,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:57,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:57,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:46:57,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:57,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:57,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:57,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:57,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:57,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:46:57,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:57,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:57,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:46:57,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:57,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:57,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-27 06:46:57,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:57,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:57,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:57,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:57,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:57,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:46:57,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:57,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:57,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:46:57,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:57,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:57,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 06:46:57,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:57,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:57,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:57,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:57,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:57,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:46:57,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:57,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:57,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:46:57,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:57,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:57,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-27 06:46:57,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:57,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:57,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:57,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:57,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:57,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:46:57,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:57,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:57,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:46:57,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:57,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:57,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-27 06:46:57,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:57,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:57,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:57,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:57,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:57,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:46:57,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:57,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:57,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:46:57,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:57,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:57,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-27 06:46:57,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:57,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:57,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:57,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 06:46:57,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:57,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:46:57,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:57,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:57,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-27 06:46:57,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:57,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:57,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-10-27 06:46:57,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:57,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:57,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:57,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:46:57,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:57,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:46:57,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:57,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:57,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:46:57,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:57,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:57,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 06:46:57,606 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [756869762] [2020-10-27 06:46:57,606 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:46:57,606 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-27 06:46:57,607 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228407140] [2020-10-27 06:46:57,607 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 06:46:57,608 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:46:57,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 06:46:57,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-27 06:46:57,608 INFO L87 Difference]: Start difference. First operand 2823 states and 3794 transitions. Second operand 13 states. [2020-10-27 06:46:58,063 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-10-27 06:46:58,247 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 06:46:58,520 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 06:47:00,218 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-10-27 06:47:00,706 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-10-27 06:47:00,908 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 06:47:01,394 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-10-27 06:47:01,579 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 06:47:02,041 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 229