/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/token_ring.08.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 06:36:59,450 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 06:36:59,453 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 06:36:59,492 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 06:36:59,493 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 06:36:59,501 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 06:36:59,504 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 06:36:59,509 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 06:36:59,519 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 06:36:59,527 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 06:36:59,528 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 06:36:59,530 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 06:36:59,530 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 06:36:59,534 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 06:36:59,538 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 06:36:59,540 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 06:36:59,542 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 06:36:59,545 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 06:36:59,552 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 06:36:59,561 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 06:36:59,563 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 06:36:59,566 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 06:36:59,567 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 06:36:59,570 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 06:36:59,579 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 06:36:59,580 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 06:36:59,581 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 06:36:59,583 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 06:36:59,584 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 06:36:59,585 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 06:36:59,586 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 06:36:59,587 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 06:36:59,589 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 06:36:59,590 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 06:36:59,591 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 06:36:59,592 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 06:36:59,593 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 06:36:59,594 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 06:36:59,594 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 06:36:59,595 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 06:36:59,596 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 06:36:59,604 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 06:36:59,659 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 06:36:59,659 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 06:36:59,663 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 06:36:59,663 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 06:36:59,664 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 06:36:59,664 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 06:36:59,664 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 06:36:59,664 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 06:36:59,665 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 06:36:59,665 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 06:36:59,666 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 06:36:59,666 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 06:36:59,667 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 06:36:59,667 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 06:36:59,667 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 06:36:59,667 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 06:36:59,668 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 06:36:59,668 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 06:36:59,668 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 06:36:59,668 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 06:36:59,669 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 06:36:59,669 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 06:36:59,669 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 06:36:59,669 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 06:36:59,670 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 06:36:59,670 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 06:36:59,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 06:36:59,670 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 06:36:59,671 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 06:36:59,671 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 06:37:00,075 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 06:37:00,106 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 06:37:00,109 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 06:37:00,110 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 06:37:00,111 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 06:37:00,112 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.08.cil-2.c [2020-10-27 06:37:00,200 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9f4be8943/9bd1dc80b3884383be54cc689f511a01/FLAG866d7eedb [2020-10-27 06:37:00,877 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 06:37:00,877 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/token_ring.08.cil-2.c [2020-10-27 06:37:00,892 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9f4be8943/9bd1dc80b3884383be54cc689f511a01/FLAG866d7eedb [2020-10-27 06:37:01,193 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9f4be8943/9bd1dc80b3884383be54cc689f511a01 [2020-10-27 06:37:01,196 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 06:37:01,203 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 06:37:01,204 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 06:37:01,205 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 06:37:01,209 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 06:37:01,209 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:37:01" (1/1) ... [2020-10-27 06:37:01,213 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ac2e17f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:37:01, skipping insertion in model container [2020-10-27 06:37:01,214 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:37:01" (1/1) ... [2020-10-27 06:37:01,222 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 06:37:01,287 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 06:37:01,562 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 06:37:01,590 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 06:37:01,707 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 06:37:01,744 INFO L208 MainTranslator]: Completed translation [2020-10-27 06:37:01,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:37:01 WrapperNode [2020-10-27 06:37:01,745 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 06:37:01,747 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 06:37:01,747 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 06:37:01,747 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 06:37:01,765 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:37:01" (1/1) ... [2020-10-27 06:37:01,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:37:01" (1/1) ... [2020-10-27 06:37:01,780 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:37:01" (1/1) ... [2020-10-27 06:37:01,780 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:37:01" (1/1) ... [2020-10-27 06:37:01,805 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:37:01" (1/1) ... [2020-10-27 06:37:01,842 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:37:01" (1/1) ... [2020-10-27 06:37:01,849 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:37:01" (1/1) ... [2020-10-27 06:37:01,866 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 06:37:01,867 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 06:37:01,868 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 06:37:01,868 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 06:37:01,869 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:37:01" (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 06:37:01,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 06:37:01,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 06:37:01,966 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 06:37:01,966 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-27 06:37:01,967 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-27 06:37:01,967 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-27 06:37:01,967 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-27 06:37:01,967 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-10-27 06:37:01,967 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2020-10-27 06:37:01,968 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2020-10-27 06:37:01,968 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2020-10-27 06:37:01,968 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit7 [2020-10-27 06:37:01,968 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit8 [2020-10-27 06:37:01,968 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-27 06:37:01,969 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-27 06:37:01,969 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-27 06:37:01,969 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-10-27 06:37:01,969 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2020-10-27 06:37:01,970 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2020-10-27 06:37:01,970 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2020-10-27 06:37:01,970 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit7_triggered [2020-10-27 06:37:01,970 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit8_triggered [2020-10-27 06:37:01,971 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-27 06:37:01,971 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-27 06:37:01,971 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-27 06:37:01,971 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-27 06:37:01,971 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-27 06:37:01,972 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-27 06:37:01,972 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-27 06:37:01,972 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-27 06:37:01,972 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-27 06:37:01,972 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-27 06:37:01,973 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-27 06:37:01,973 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-27 06:37:01,973 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-27 06:37:01,973 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 06:37:01,973 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 06:37:01,974 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 06:37:01,974 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 06:37:01,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 06:37:01,974 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-27 06:37:01,974 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-27 06:37:01,975 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-27 06:37:01,975 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-27 06:37:01,975 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-10-27 06:37:01,975 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2020-10-27 06:37:01,975 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2020-10-27 06:37:01,975 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2020-10-27 06:37:01,976 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit7_triggered [2020-10-27 06:37:01,976 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit8_triggered [2020-10-27 06:37:01,976 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-27 06:37:01,976 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 06:37:01,976 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-27 06:37:01,977 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-27 06:37:01,977 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-27 06:37:01,977 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-10-27 06:37:01,977 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2020-10-27 06:37:01,977 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2020-10-27 06:37:01,977 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2020-10-27 06:37:01,978 INFO L130 BoogieDeclarations]: Found specification of procedure transmit7 [2020-10-27 06:37:01,978 INFO L130 BoogieDeclarations]: Found specification of procedure transmit8 [2020-10-27 06:37:01,978 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-27 06:37:01,978 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-27 06:37:01,978 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-27 06:37:01,979 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-27 06:37:01,979 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-27 06:37:01,997 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-27 06:37:01,997 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-27 06:37:01,997 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-27 06:37:01,997 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-27 06:37:01,998 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-27 06:37:01,998 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-27 06:37:02,000 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-27 06:37:02,000 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 06:37:02,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 06:37:02,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 06:37:02,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 06:37:02,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 06:37:02,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 06:37:02,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 06:37:03,536 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 06:37:03,536 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2020-10-27 06:37:03,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:37:03 BoogieIcfgContainer [2020-10-27 06:37:03,539 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 06:37:03,541 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 06:37:03,541 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 06:37:03,545 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 06:37:03,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 06:37:01" (1/3) ... [2020-10-27 06:37:03,546 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b437da3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 06:37:03, skipping insertion in model container [2020-10-27 06:37:03,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:37:01" (2/3) ... [2020-10-27 06:37:03,547 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b437da3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 06:37:03, skipping insertion in model container [2020-10-27 06:37:03,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:37:03" (3/3) ... [2020-10-27 06:37:03,549 INFO L111 eAbstractionObserver]: Analyzing ICFG token_ring.08.cil-2.c [2020-10-27 06:37:03,562 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 06:37:03,567 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 06:37:03,578 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 06:37:03,610 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 06:37:03,611 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 06:37:03,611 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 06:37:03,611 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 06:37:03,611 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 06:37:03,611 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 06:37:03,611 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 06:37:03,612 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 06:37:03,641 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states. [2020-10-27 06:37:03,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-27 06:37:03,660 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:37:03,661 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] [2020-10-27 06:37:03,662 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:37:03,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:37:03,670 INFO L82 PathProgramCache]: Analyzing trace with hash -38851422, now seen corresponding path program 1 times [2020-10-27 06:37:03,681 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:37:03,681 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1063255834] [2020-10-27 06:37:03,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:37:04,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:04,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:04,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:04,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:04,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:06,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:06,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:06,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:06,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:06,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:06,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:06,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:07,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:07,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:08,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:08,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:08,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:08,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:08,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:08,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:08,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:08,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:08,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:08,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:08,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:09,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:09,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:09,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-27 06:37:09,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 25 [2020-10-27 06:37:09,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5049 [2020-10-27 06:37:09,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:09,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:37:09,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:37:09,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-27 06:37:09,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 06:37:09,749 WARN L193 SmtUtils]: Spent 513.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-27 06:37:09,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:37:09,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:09,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:09,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:09,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:37:09,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:09,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-27 06:37:09,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:09,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:37:09,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:09,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:37:09,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:09,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:37:09,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:09,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:09,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:09,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:37:09,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:09,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 06:37:09,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:09,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:37:09,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:09,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:37:09,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:09,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:37:09,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:09,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:09,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:09,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:37:09,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:09,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:37:09,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:09,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:37:09,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:09,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:37:09,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:10,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:37:10,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:10,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:10,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:10,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 06:37:10,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:10,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 06:37:10,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:10,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:37:10,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:10,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 06:37:10,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:10,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 06:37:10,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:10,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:10,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:10,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 06:37:10,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:10,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-27 06:37:10,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:10,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:37:10,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:37:10,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 06:37:10,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:10,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 06:37:10,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:10,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:10,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:10,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:10,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:11,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:11,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-27 06:37:11,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 06:37:11,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1272 [2020-10-27 06:37:11,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:11,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 06:37:11,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-27 06:37:11,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:37:11,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:11,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:37:11,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:11,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:11,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:11,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:11,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:11,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:37:11,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:11,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:11,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:11,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:11,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:11,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:37:11,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:11,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:11,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:11,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:11,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:11,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:37:11,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:11,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:11,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:11,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:11,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-10-27 06:37:11,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:37:11,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:11,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:11,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:11,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:11,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:11,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 06:37:11,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:11,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:37:11,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:11,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:37:11,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 06:37:11,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:37:11,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:11,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:11,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:11,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:11,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:11,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:37:11,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:11,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:11,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:37:11,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:11,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 06:37:11,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:37:11,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:11,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:11,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:11,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:11,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:11,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:37:11,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:11,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:11,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:37:11,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:11,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:11,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:37:11,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:11,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:11,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:11,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:11,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:11,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 06:37:11,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:11,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:11,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:37:11,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:11,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:37:11,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:37:11,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:11,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:11,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:11,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:11,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:11,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:37:11,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:11,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:11,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:37:11,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:11,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:11,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:37:11,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:11,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:11,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:11,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:11,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:11,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:37:11,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:11,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:11,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:37:11,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:11,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:11,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:37:11,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:11,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:11,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:11,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:11,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:11,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:37:11,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:11,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:11,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:37:11,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:11,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:11,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-27 06:37:11,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:11,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:11,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:11,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 06:37:11,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:11,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 06:37:11,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:11,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:11,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-27 06:37:11,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:11,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:11,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-27 06:37:11,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:11,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:11,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:11,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:37:11,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:11,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:37:11,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:11,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:11,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:37:11,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:11,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:11,985 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 06:37:11,985 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1063255834] [2020-10-27 06:37:11,988 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:37:11,988 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-27 06:37:11,989 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040931868] [2020-10-27 06:37:11,995 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 06:37:11,995 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:37:12,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 06:37:12,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-27 06:37:12,014 INFO L87 Difference]: Start difference. First operand 365 states. Second operand 13 states. [2020-10-27 06:37:12,634 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-27 06:37:12,837 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-27 06:37:13,198 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-27 06:37:13,680 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2020-10-27 06:37:15,696 WARN L193 SmtUtils]: Spent 518.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-27 06:37:16,278 WARN L193 SmtUtils]: Spent 514.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2020-10-27 06:37:16,499 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-27 06:37:17,066 WARN L193 SmtUtils]: Spent 515.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-27 06:37:17,350 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-27 06:37:17,930 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-27 06:37:28,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:37:28,446 INFO L93 Difference]: Finished difference Result 948 states and 1562 transitions. [2020-10-27 06:37:28,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-27 06:37:28,449 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 177 [2020-10-27 06:37:28,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:37:28,471 INFO L225 Difference]: With dead ends: 948 [2020-10-27 06:37:28,472 INFO L226 Difference]: Without dead ends: 597 [2020-10-27 06:37:28,482 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=173, Invalid=477, Unknown=0, NotChecked=0, Total=650 [2020-10-27 06:37:28,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2020-10-27 06:37:28,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 358. [2020-10-27 06:37:28,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 358 states. [2020-10-27 06:37:28,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 514 transitions. [2020-10-27 06:37:28,663 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 514 transitions. Word has length 177 [2020-10-27 06:37:28,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:37:28,664 INFO L481 AbstractCegarLoop]: Abstraction has 358 states and 514 transitions. [2020-10-27 06:37:28,664 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 06:37:28,664 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 514 transitions. [2020-10-27 06:37:28,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-27 06:37:28,670 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:37:28,670 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] [2020-10-27 06:37:28,670 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 06:37:28,671 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:37:28,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:37:28,672 INFO L82 PathProgramCache]: Analyzing trace with hash 268304932, now seen corresponding path program 1 times [2020-10-27 06:37:28,672 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:37:28,672 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1691791178] [2020-10-27 06:37:28,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:37:28,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:28,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:28,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:28,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:29,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:29,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:29,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:29,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:29,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:29,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:29,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:30,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:30,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:30,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:30,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:30,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:30,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:30,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:30,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:30,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:30,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:30,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:30,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:30,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:33,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:33,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-27 06:37:33,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 23 [2020-10-27 06:37:33,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-27 06:37:33,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:33,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:37:33,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:37:33,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-27 06:37:33,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:37:34,276 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-27 06:37:34,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:37:34,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:34,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:34,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:34,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:37:34,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:34,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 06:37:34,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:34,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:37:34,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:34,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:37:34,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:34,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:37:34,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:34,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:34,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:34,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:37:34,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:34,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:37:34,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:34,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:37:34,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:34,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:37:34,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:34,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:37:34,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:34,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:34,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:34,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:37:34,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:34,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:37:34,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:34,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:37:34,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:34,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:37:34,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:34,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:37:34,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:34,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:34,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:34,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 06:37:34,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:34,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 06:37:34,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:34,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:37:34,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:34,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 06:37:34,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:34,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 06:37:34,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:34,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:34,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:34,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 06:37:34,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:34,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 06:37:34,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:34,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:37:34,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:37:34,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 06:37:34,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:34,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 06:37:34,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:34,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:34,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:34,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:34,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:34,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-27 06:37:34,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 06:37:34,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 275 [2020-10-27 06:37:34,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:34,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 06:37:34,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-27 06:37:34,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:37:34,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:35,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:37:35,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:35,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:35,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:35,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:35,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:35,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:37:35,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:35,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:35,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:35,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:35,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:35,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:37:35,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:35,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:35,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:35,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:35,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:35,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:37:35,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:35,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:35,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:35,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:35,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:35,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:37:35,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:35,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:35,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:35,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:35,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:35,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:37:35,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:35,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:35,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:35,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:35,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:35,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:37:35,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:35,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:35,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:35,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:35,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:35,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:37:35,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:35,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:35,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:35,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:35,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:35,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:37:35,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:35,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:35,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:35,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:35,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:35,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:37:35,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:35,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:35,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:35,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:35,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:35,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:37:35,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:35,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:35,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:35,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:35,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:35,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:37:35,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:35,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:37:35,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:35,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:37:35,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:35,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:37:35,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:35,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:35,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:35,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:35,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:35,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:37:35,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:35,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:35,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:37:35,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:35,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:35,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:37:35,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:35,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:35,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:35,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:35,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:35,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:37:35,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:35,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:35,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:37:35,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:35,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:35,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:37:35,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:35,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:35,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:35,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:35,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:35,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:37:35,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:35,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:35,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:37:35,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:35,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:35,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-27 06:37:35,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:35,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:35,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:35,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 06:37:35,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:35,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 06:37:35,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:35,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:35,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-27 06:37:35,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:35,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:35,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-27 06:37:35,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:35,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:35,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:35,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:37:35,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:35,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:37:35,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:35,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:35,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:37:35,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:35,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:35,269 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 06:37:35,269 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1691791178] [2020-10-27 06:37:35,269 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:37:35,269 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-27 06:37:35,270 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732729484] [2020-10-27 06:37:35,272 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 06:37:35,272 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:37:35,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 06:37:35,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-27 06:37:35,273 INFO L87 Difference]: Start difference. First operand 358 states and 514 transitions. Second operand 13 states. [2020-10-27 06:37:35,849 WARN L193 SmtUtils]: Spent 496.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-27 06:37:36,070 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-27 06:37:36,387 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-27 06:37:36,781 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2020-10-27 06:37:39,307 WARN L193 SmtUtils]: Spent 514.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-27 06:37:39,910 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2020-10-27 06:37:40,507 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-27 06:37:40,746 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-27 06:37:41,354 WARN L193 SmtUtils]: Spent 531.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-10-27 06:37:41,562 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-27 06:37:46,253 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-27 06:37:47,360 WARN L193 SmtUtils]: Spent 487.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-27 06:37:47,908 WARN L193 SmtUtils]: Spent 510.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-27 06:37:48,151 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-27 06:37:48,739 WARN L193 SmtUtils]: Spent 533.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-27 06:37:49,006 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-27 06:37:49,548 WARN L193 SmtUtils]: Spent 512.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-27 06:37:55,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:37:55,224 INFO L93 Difference]: Finished difference Result 1076 states and 1641 transitions. [2020-10-27 06:37:55,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-27 06:37:55,226 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 177 [2020-10-27 06:37:55,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:37:55,234 INFO L225 Difference]: With dead ends: 1076 [2020-10-27 06:37:55,234 INFO L226 Difference]: Without dead ends: 744 [2020-10-27 06:37:55,238 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 7.4s TimeCoverageRelationStatistics Valid=249, Invalid=807, Unknown=0, NotChecked=0, Total=1056 [2020-10-27 06:37:55,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2020-10-27 06:37:55,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 469. [2020-10-27 06:37:55,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 469 states. [2020-10-27 06:37:55,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 647 transitions. [2020-10-27 06:37:55,358 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 647 transitions. Word has length 177 [2020-10-27 06:37:55,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:37:55,358 INFO L481 AbstractCegarLoop]: Abstraction has 469 states and 647 transitions. [2020-10-27 06:37:55,358 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 06:37:55,359 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 647 transitions. [2020-10-27 06:37:55,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-27 06:37:55,362 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:37:55,362 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] [2020-10-27 06:37:55,363 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 06:37:55,363 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:37:55,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:37:55,363 INFO L82 PathProgramCache]: Analyzing trace with hash 1770333445, now seen corresponding path program 1 times [2020-10-27 06:37:55,364 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:37:55,364 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [60901654] [2020-10-27 06:37:55,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:37:55,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:55,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:55,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:55,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:55,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:55,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:56,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:56,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:56,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:56,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:56,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:56,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:56,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:56,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:56,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:56,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:56,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:56,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:56,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:56,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:56,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:57,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:00,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:00,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-27 06:38:00,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-27 06:38:00,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-27 06:38:00,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:00,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:38:00,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:38:00,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-27 06:38:00,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:01,086 WARN L193 SmtUtils]: Spent 630.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-27 06:38:01,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:38:01,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:01,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:01,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:01,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:38:01,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:01,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 06:38:01,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:01,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:38:01,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:01,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:38:01,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:38:01,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:38:01,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:01,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:01,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:01,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:38:01,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:01,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:38:01,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:01,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:38:01,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:01,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:38:01,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:38:01,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:38:01,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:01,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:01,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:01,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:38:01,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:01,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:38:01,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:01,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:38:01,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:01,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:38:01,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:38:01,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:38:01,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:01,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:01,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:01,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 06:38:01,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:01,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 06:38:01,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:01,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:38:01,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:01,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 06:38:01,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:01,465 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-10-27 06:38:01,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 06:38:01,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:01,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:01,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:01,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 06:38:01,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:01,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-27 06:38:01,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:01,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:38:01,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:38:01,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 06:38:01,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:38:01,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 06:38:01,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:01,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:01,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:01,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:01,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:01,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-27 06:38:01,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 06:38:01,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 237 [2020-10-27 06:38:01,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:01,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 06:38:01,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 06:38:01,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:38:01,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:01,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:38:01,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:01,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:01,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:01,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:38:01,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:01,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:38:01,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:01,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:01,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:01,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:01,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:01,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:38:01,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:01,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:01,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:01,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:38:01,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:01,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:38:01,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:01,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:38:01,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:01,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:38:01,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:01,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:38:01,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:01,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:01,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:01,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:38:01,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:01,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:38:01,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:01,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:01,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:38:01,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:01,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:01,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:38:01,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:01,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:01,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:01,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:38:01,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:01,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:38:01,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:01,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:01,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:38:01,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:01,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:01,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:38:01,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:01,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:01,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:01,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:38:01,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:01,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:38:01,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:01,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:01,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:38:01,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:01,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:01,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:38:01,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:01,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:01,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:01,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:38:01,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:01,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:38:01,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:01,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:01,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:38:01,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:01,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:01,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:38:01,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:01,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:01,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:01,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:38:01,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:01,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:38:01,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:01,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:01,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:38:01,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:01,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:01,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:38:01,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:01,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:01,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:01,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:38:01,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:01,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-27 06:38:01,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:01,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:01,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:38:01,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:01,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:01,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:38:01,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:01,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:01,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:01,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:38:01,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:01,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:38:01,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:01,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:01,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:38:01,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:01,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:02,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-27 06:38:02,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:02,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:02,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:02,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 06:38:02,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:02,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:38:02,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:02,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:02,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-27 06:38:02,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:02,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:02,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-27 06:38:02,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:02,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:02,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:02,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:38:02,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:02,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:38:02,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:02,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:02,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:38:02,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:02,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:02,072 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 06:38:02,073 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [60901654] [2020-10-27 06:38:02,073 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:38:02,073 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-27 06:38:02,073 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112968987] [2020-10-27 06:38:02,074 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 06:38:02,074 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:38:02,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 06:38:02,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-27 06:38:02,076 INFO L87 Difference]: Start difference. First operand 469 states and 647 transitions. Second operand 13 states. [2020-10-27 06:38:02,640 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-27 06:38:02,845 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-27 06:38:03,165 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-27 06:38:04,998 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-27 06:38:05,545 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2020-10-27 06:38:05,765 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-27 06:38:06,343 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-27 06:38:06,540 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-27 06:38:07,082 WARN L193 SmtUtils]: Spent 510.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-27 06:38:15,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:38:15,389 INFO L93 Difference]: Finished difference Result 1199 states and 1775 transitions. [2020-10-27 06:38:15,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 06:38:15,390 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 177 [2020-10-27 06:38:15,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:38:15,395 INFO L225 Difference]: With dead ends: 1199 [2020-10-27 06:38:15,396 INFO L226 Difference]: Without dead ends: 756 [2020-10-27 06:38:15,398 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=143, Invalid=409, Unknown=0, NotChecked=0, Total=552 [2020-10-27 06:38:15,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2020-10-27 06:38:15,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 474. [2020-10-27 06:38:15,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 474 states. [2020-10-27 06:38:15,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 648 transitions. [2020-10-27 06:38:15,493 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 648 transitions. Word has length 177 [2020-10-27 06:38:15,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:38:15,493 INFO L481 AbstractCegarLoop]: Abstraction has 474 states and 648 transitions. [2020-10-27 06:38:15,494 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 06:38:15,494 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 648 transitions. [2020-10-27 06:38:15,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-27 06:38:15,497 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:38:15,497 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] [2020-10-27 06:38:15,497 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 06:38:15,497 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:38:15,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:38:15,498 INFO L82 PathProgramCache]: Analyzing trace with hash -377518273, now seen corresponding path program 1 times [2020-10-27 06:38:15,498 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:38:15,498 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [279534527] [2020-10-27 06:38:15,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:38:15,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:15,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:15,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:15,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:15,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:15,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:15,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:16,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:16,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:16,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:16,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:16,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:16,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:16,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:16,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:16,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:16,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:16,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:16,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:16,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:16,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:18,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:20,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:20,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-27 06:38:20,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-27 06:38:20,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 06:38:20,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:20,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:38:20,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:38:20,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 06:38:20,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:21,256 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-27 06:38:21,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:38:21,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:21,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:21,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:21,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:38:21,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:21,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-27 06:38:21,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:21,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:38:21,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:21,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:38:21,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:21,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:38:21,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:21,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:21,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:21,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:38:21,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:21,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:38:21,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:21,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:38:21,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:21,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:38:21,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:21,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:38:21,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:21,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:21,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:21,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:38:21,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:21,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:38:21,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:21,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:38:21,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:21,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:38:21,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:21,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:38:21,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:21,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:21,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:21,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 06:38:21,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:21,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 06:38:21,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:21,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:38:21,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:21,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 06:38:21,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:21,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 06:38:21,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:21,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:21,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:21,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 06:38:21,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:21,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 06:38:21,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:21,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:38:21,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:38:21,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 06:38:21,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:21,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 06:38:21,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:21,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:21,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:21,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:21,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-27 06:38:21,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:38:21,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-27 06:38:21,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:21,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 06:38:21,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-27 06:38:21,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:38:21,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:21,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:38:21,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:21,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:21,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:21,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:38:21,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:21,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:38:21,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:21,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:21,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:21,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:21,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:21,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:38:21,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:21,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:21,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:21,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:38:21,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:21,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:38:21,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:21,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:21,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:21,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:21,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:21,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:38:21,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:21,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:21,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:21,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:38:21,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:21,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:38:21,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:21,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:21,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:21,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:21,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:21,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:38:21,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:21,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:21,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:21,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:38:21,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:21,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:38:21,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:21,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:21,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:21,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:21,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:21,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:38:21,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:21,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:21,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:21,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:38:21,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:21,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:38:21,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:21,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:21,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:21,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:21,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:21,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:38:21,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:21,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:21,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:21,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:38:21,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:21,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:38:21,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:21,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:21,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:21,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:21,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:21,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:38:21,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:21,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:21,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:21,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:38:21,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:21,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:38:21,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:21,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:21,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:21,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:21,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:38:21,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:38:21,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:21,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:21,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:21,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:38:21,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:21,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:38:21,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:21,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:21,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:21,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:21,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:21,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:38:21,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:21,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:21,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:21,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:38:21,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:21,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:38:21,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:21,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:38:21,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:21,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:38:21,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:21,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-27 06:38:21,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:21,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:21,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:21,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 06:38:21,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:21,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 06:38:21,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:21,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:21,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-27 06:38:21,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:21,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:21,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-27 06:38:21,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:21,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:21,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:21,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:38:21,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:21,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:38:21,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:21,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:21,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:38:21,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:21,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:21,980 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 06:38:21,980 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [279534527] [2020-10-27 06:38:21,981 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:38:21,981 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-27 06:38:21,981 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220155063] [2020-10-27 06:38:21,982 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 06:38:21,982 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:38:21,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 06:38:21,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-27 06:38:21,983 INFO L87 Difference]: Start difference. First operand 474 states and 648 transitions. Second operand 13 states. [2020-10-27 06:38:22,554 WARN L193 SmtUtils]: Spent 485.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-27 06:38:22,787 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-27 06:38:23,144 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-27 06:38:23,572 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2020-10-27 06:38:26,846 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-27 06:38:27,435 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2020-10-27 06:38:27,678 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-27 06:38:28,240 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-27 06:38:28,484 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-27 06:38:29,036 WARN L193 SmtUtils]: Spent 523.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-27 06:38:37,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:38:37,081 INFO L93 Difference]: Finished difference Result 1195 states and 1752 transitions. [2020-10-27 06:38:37,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 06:38:37,083 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 177 [2020-10-27 06:38:37,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:38:37,089 INFO L225 Difference]: With dead ends: 1195 [2020-10-27 06:38:37,089 INFO L226 Difference]: Without dead ends: 747 [2020-10-27 06:38:37,092 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=143, Invalid=409, Unknown=0, NotChecked=0, Total=552 [2020-10-27 06:38:37,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2020-10-27 06:38:37,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 484. [2020-10-27 06:38:37,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 484 states. [2020-10-27 06:38:37,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 655 transitions. [2020-10-27 06:38:37,191 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 655 transitions. Word has length 177 [2020-10-27 06:38:37,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:38:37,192 INFO L481 AbstractCegarLoop]: Abstraction has 484 states and 655 transitions. [2020-10-27 06:38:37,192 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 06:38:37,192 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 655 transitions. [2020-10-27 06:38:37,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-27 06:38:37,195 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:38:37,195 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] [2020-10-27 06:38:37,195 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 06:38:37,195 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:38:37,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:38:37,196 INFO L82 PathProgramCache]: Analyzing trace with hash 1575551161, now seen corresponding path program 1 times [2020-10-27 06:38:37,196 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:38:37,196 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1115662831] [2020-10-27 06:38:37,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:38:37,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:37,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:37,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:37,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:37,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:37,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:37,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:37,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:37,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:37,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:37,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:37,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:37,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:37,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:37,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:37,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:38,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:38,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:39,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:39,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:41,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:41,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:42,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:42,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-27 06:38:42,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-27 06:38:42,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 06:38:42,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:42,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 06:38:42,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:38:42,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-27 06:38:42,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:42,709 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-27 06:38:42,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:38:42,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:42,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:42,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:42,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:38:42,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:42,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 06:38:42,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:42,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:38:42,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:42,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:38:42,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:42,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:38:42,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:42,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:42,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:42,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:38:42,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:42,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:38:42,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:42,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:38:42,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:42,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:38:42,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:42,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:38:42,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:42,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:42,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:42,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:38:42,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:42,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:38:42,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:42,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:38:42,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:42,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:38:42,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:42,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:38:42,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:42,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:42,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:42,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 06:38:42,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:42,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:38:42,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:42,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:38:42,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:42,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 06:38:42,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:42,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 06:38:42,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:42,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:42,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:42,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 06:38:42,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:42,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 06:38:42,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:42,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:38:42,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:42,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 06:38:42,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:43,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 06:38:43,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:43,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:43,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:43,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-27 06:38:43,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:43,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 06:38:43,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:43,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:38:43,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-27 06:38:43,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-27 06:38:43,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:43,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:38:43,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:43,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:43,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:43,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:38:43,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:43,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:38:43,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:43,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:43,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:43,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:43,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:38:43,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:38:43,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:43,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:43,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:43,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:38:43,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:43,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:38:43,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:43,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:43,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:43,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:43,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:43,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:38:43,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:43,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:43,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:43,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:38:43,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:43,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 06:38:43,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:43,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:38:43,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:43,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 06:38:43,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:43,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:38:43,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:43,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:43,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:43,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:38:43,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:43,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:38:43,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:43,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:38:43,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:43,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:38:43,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:43,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:38:43,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:43,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:43,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:43,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:38:43,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:43,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:38:43,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:43,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:38:43,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:43,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:38:43,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:43,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:38:43,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:43,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:43,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:43,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:38:43,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:43,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:38:43,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:43,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:38:43,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:43,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:38:43,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:43,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:38:43,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:43,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:43,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:43,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:38:43,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:43,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:38:43,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:43,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:38:43,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:43,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:38:43,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:43,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:38:43,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:43,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:43,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:43,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:38:43,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:43,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:38:43,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:43,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:38:43,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:43,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:38:43,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:43,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:38:43,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:43,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:43,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:43,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:38:43,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:43,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:38:43,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:43,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:38:43,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:43,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:38:43,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:43,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-27 06:38:43,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:43,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:43,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:43,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 06:38:43,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:43,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:38:43,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:43,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:43,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-27 06:38:43,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:43,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:43,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-27 06:38:43,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:43,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:43,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:43,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:38:43,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:43,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:38:43,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:43,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:43,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:38:43,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:43,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:43,211 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 06:38:43,211 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1115662831] [2020-10-27 06:38:43,211 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:38:43,211 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 06:38:43,212 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090583847] [2020-10-27 06:38:43,212 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 06:38:43,213 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:38:43,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 06:38:43,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-27 06:38:43,213 INFO L87 Difference]: Start difference. First operand 484 states and 655 transitions. Second operand 8 states. [2020-10-27 06:38:43,760 WARN L193 SmtUtils]: Spent 503.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-27 06:38:43,951 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-27 06:38:44,247 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-27 06:38:47,584 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-27 06:38:48,816 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-27 06:38:49,276 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-10-27 06:38:58,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:38:58,091 INFO L93 Difference]: Finished difference Result 1884 states and 2737 transitions. [2020-10-27 06:38:58,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 06:38:58,093 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 177 [2020-10-27 06:38:58,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:38:58,103 INFO L225 Difference]: With dead ends: 1884 [2020-10-27 06:38:58,103 INFO L226 Difference]: Without dead ends: 1427 [2020-10-27 06:38:58,106 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2020-10-27 06:38:58,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1427 states. [2020-10-27 06:38:58,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1427 to 943. [2020-10-27 06:38:58,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 943 states. [2020-10-27 06:38:58,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 943 states and 1287 transitions. [2020-10-27 06:38:58,269 INFO L78 Accepts]: Start accepts. Automaton has 943 states and 1287 transitions. Word has length 177 [2020-10-27 06:38:58,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:38:58,269 INFO L481 AbstractCegarLoop]: Abstraction has 943 states and 1287 transitions. [2020-10-27 06:38:58,269 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 06:38:58,269 INFO L276 IsEmpty]: Start isEmpty. Operand 943 states and 1287 transitions. [2020-10-27 06:38:58,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-27 06:38:58,272 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:38:58,272 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] [2020-10-27 06:38:58,272 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 06:38:58,273 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:38:58,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:38:58,273 INFO L82 PathProgramCache]: Analyzing trace with hash 1639470524, now seen corresponding path program 1 times [2020-10-27 06:38:58,273 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:38:58,274 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1947541707] [2020-10-27 06:38:58,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:38:58,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:58,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:58,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:58,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:58,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:58,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:58,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:58,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:58,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:58,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:58,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:58,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:58,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:58,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:58,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:59,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:59,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:59,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:00,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:01,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:01,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:03,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:03,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:03,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-27 06:39:03,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-27 06:39:03,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 06:39:03,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:03,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:39:03,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:39:03,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-27 06:39:03,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:03,804 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-27 06:39:03,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:39:03,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:03,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:03,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:03,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:39:03,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:03,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 06:39:03,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:03,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:39:03,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:03,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:39:03,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:03,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:39:03,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:03,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:03,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:03,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:39:03,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:03,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:39:03,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:03,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:39:03,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:03,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:39:03,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:03,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:39:03,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:03,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:03,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:03,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:39:03,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:03,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:39:03,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:03,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:39:03,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:03,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:39:03,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:03,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:39:03,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:03,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:03,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:03,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 06:39:03,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:03,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:39:03,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:03,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:39:03,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:03,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 06:39:03,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:04,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 06:39:04,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:04,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:04,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:04,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 06:39:04,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:04,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 06:39:04,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:04,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:39:04,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:39:04,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 06:39:04,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:04,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 06:39:04,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:04,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:04,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:04,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-27 06:39:04,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:04,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 06:39:04,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:04,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:04,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-27 06:39:04,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:04,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:04,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:39:04,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:04,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:04,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:04,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:04,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:04,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:04,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:04,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:04,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:04,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:04,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:04,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:39:04,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:04,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:04,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:04,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:04,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:04,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:04,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:04,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:04,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:04,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:04,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:04,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:39:04,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:04,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:04,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:04,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:04,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:04,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:04,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:04,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:04,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:04,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:04,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:04,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:39:04,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:04,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:04,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:04,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:04,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:04,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:04,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:04,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:04,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:04,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:04,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:04,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:39:04,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:04,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:04,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:04,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:04,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:04,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:04,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:04,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:04,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:04,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:04,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:04,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:39:04,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:04,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:04,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:04,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:04,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:04,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:04,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:04,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:04,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:04,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:04,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:04,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:39:04,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:04,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:04,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:04,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:04,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:04,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:04,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:04,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:04,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:04,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:04,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:04,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:39:04,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:04,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:04,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:04,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:04,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:04,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:04,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:04,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:04,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:04,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:04,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:04,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:39:04,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:04,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:04,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:04,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:04,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:04,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:04,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:04,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:04,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:04,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:04,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:04,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-27 06:39:04,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:04,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:04,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:04,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 06:39:04,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:04,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:39:04,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:04,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:04,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-27 06:39:04,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:04,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:04,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-27 06:39:04,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:04,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:04,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:04,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:39:04,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:04,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:04,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:04,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:04,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:39:04,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:04,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:04,244 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 06:39:04,244 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1947541707] [2020-10-27 06:39:04,244 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:39:04,244 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 06:39:04,245 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150134341] [2020-10-27 06:39:04,245 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 06:39:04,245 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:39:04,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 06:39:04,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-27 06:39:04,246 INFO L87 Difference]: Start difference. First operand 943 states and 1287 transitions. Second operand 9 states. [2020-10-27 06:39:04,827 WARN L193 SmtUtils]: Spent 518.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-27 06:39:05,029 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-27 06:39:05,316 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-27 06:39:10,393 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-27 06:39:15,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:39:15,887 INFO L93 Difference]: Finished difference Result 2605 states and 3709 transitions. [2020-10-27 06:39:15,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 06:39:15,888 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 177 [2020-10-27 06:39:15,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:39:15,898 INFO L225 Difference]: With dead ends: 2605 [2020-10-27 06:39:15,899 INFO L226 Difference]: Without dead ends: 1688 [2020-10-27 06:39:15,903 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2020-10-27 06:39:15,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1688 states. [2020-10-27 06:39:16,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1688 to 1149. [2020-10-27 06:39:16,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1149 states. [2020-10-27 06:39:16,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1149 states to 1149 states and 1531 transitions. [2020-10-27 06:39:16,112 INFO L78 Accepts]: Start accepts. Automaton has 1149 states and 1531 transitions. Word has length 177 [2020-10-27 06:39:16,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:39:16,113 INFO L481 AbstractCegarLoop]: Abstraction has 1149 states and 1531 transitions. [2020-10-27 06:39:16,113 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 06:39:16,113 INFO L276 IsEmpty]: Start isEmpty. Operand 1149 states and 1531 transitions. [2020-10-27 06:39:16,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-27 06:39:16,115 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:39:16,116 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] [2020-10-27 06:39:16,116 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 06:39:16,116 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:39:16,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:39:16,117 INFO L82 PathProgramCache]: Analyzing trace with hash -221653064, now seen corresponding path program 1 times [2020-10-27 06:39:16,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:39:16,117 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [768213222] [2020-10-27 06:39:16,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:39:16,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:16,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:16,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:16,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:16,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:16,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:16,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:16,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:16,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:16,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:16,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:16,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:16,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:16,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:16,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:16,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:17,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:17,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:18,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:18,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:20,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:21,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:21,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-27 06:39:21,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-27 06:39:21,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-10-27 06:39:21,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:21,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 06:39:21,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:39:21,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 173 [2020-10-27 06:39:21,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:21,682 WARN L193 SmtUtils]: Spent 477.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-27 06:39:21,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:39:21,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:21,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:21,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:21,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:39:21,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:21,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 06:39:21,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:21,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:39:21,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:21,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:39:21,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:21,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:39:21,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:21,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:21,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:21,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:39:21,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:21,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:39:21,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:21,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:39:21,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:21,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:39:21,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:21,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:39:21,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:21,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:21,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:21,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:39:21,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:21,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:39:21,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:21,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:39:21,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:21,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:39:21,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:21,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:39:21,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:21,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:21,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:21,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 06:39:21,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:21,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:39:21,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:21,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:39:21,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:21,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 06:39:21,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:21,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 06:39:21,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:21,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:21,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:21,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 06:39:21,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:21,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 06:39:21,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:21,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:39:21,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:39:21,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 06:39:21,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:21,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 06:39:21,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:21,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:21,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:21,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-27 06:39:21,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:21,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 06:39:21,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:21,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:39:21,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:21,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-27 06:39:21,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:22,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:39:22,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:22,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:22,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:22,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:22,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:22,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:22,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:22,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:22,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:22,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:22,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:22,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:39:22,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:22,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:22,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:22,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:22,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:22,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:22,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:22,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:22,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:22,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:22,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:22,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:39:22,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:22,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:22,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:22,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:22,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:22,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:22,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:22,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:22,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:22,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:22,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:22,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:39:22,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:22,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:22,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:22,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:22,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:22,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:39:22,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:22,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:22,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:22,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:22,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:22,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:39:22,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:22,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:22,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:22,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:22,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:22,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:22,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:22,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:22,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:22,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:22,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:22,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:39:22,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:22,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:22,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:22,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:22,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:22,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:39:22,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:22,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:22,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:22,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:22,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:22,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:39:22,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:22,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:22,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:22,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:22,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:22,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:22,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:22,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:22,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:22,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:22,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:22,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:39:22,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:22,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:22,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:22,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:22,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:22,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:22,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:22,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:22,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:22,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:22,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:22,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:39:22,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:22,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:22,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:22,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:22,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:22,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:22,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:22,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:22,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:22,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:22,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:22,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-27 06:39:22,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:22,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:22,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:22,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 06:39:22,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:22,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 06:39:22,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:22,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:39:22,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:39:22,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 06:39:22,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:22,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-27 06:39:22,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:22,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:22,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:22,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:39:22,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:22,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:22,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:22,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:22,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:39:22,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:22,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:22,191 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 06:39:22,191 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [768213222] [2020-10-27 06:39:22,192 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:39:22,192 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-27 06:39:22,192 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250361694] [2020-10-27 06:39:22,192 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 06:39:22,193 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:39:22,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 06:39:22,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-27 06:39:22,193 INFO L87 Difference]: Start difference. First operand 1149 states and 1531 transitions. Second operand 10 states. [2020-10-27 06:39:22,759 WARN L193 SmtUtils]: Spent 495.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-27 06:39:22,949 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-27 06:39:23,233 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-27 06:39:31,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:39:31,769 INFO L93 Difference]: Finished difference Result 2811 states and 3902 transitions. [2020-10-27 06:39:31,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 06:39:31,770 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 177 [2020-10-27 06:39:31,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:39:31,780 INFO L225 Difference]: With dead ends: 2811 [2020-10-27 06:39:31,780 INFO L226 Difference]: Without dead ends: 1688 [2020-10-27 06:39:31,784 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2020-10-27 06:39:31,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1688 states. [2020-10-27 06:39:32,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1688 to 1149. [2020-10-27 06:39:32,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1149 states. [2020-10-27 06:39:32,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1149 states to 1149 states and 1525 transitions. [2020-10-27 06:39:32,069 INFO L78 Accepts]: Start accepts. Automaton has 1149 states and 1525 transitions. Word has length 177 [2020-10-27 06:39:32,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:39:32,070 INFO L481 AbstractCegarLoop]: Abstraction has 1149 states and 1525 transitions. [2020-10-27 06:39:32,070 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 06:39:32,070 INFO L276 IsEmpty]: Start isEmpty. Operand 1149 states and 1525 transitions. [2020-10-27 06:39:32,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-27 06:39:32,072 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:39:32,072 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] [2020-10-27 06:39:32,073 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 06:39:32,073 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:39:32,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:39:32,073 INFO L82 PathProgramCache]: Analyzing trace with hash -1251012362, now seen corresponding path program 1 times [2020-10-27 06:39:32,073 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:39:32,074 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1609295765] [2020-10-27 06:39:32,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:39:32,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:32,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:32,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:32,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:32,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:32,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:32,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:32,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:32,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:32,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:32,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:32,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:32,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:32,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:33,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:33,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:34,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:35,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:35,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:37,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:37,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-27 06:39:37,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-27 06:39:37,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-27 06:39:37,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:37,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:39:37,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:39:37,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-27 06:39:37,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:37,668 WARN L193 SmtUtils]: Spent 529.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-27 06:39:37,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:39:37,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:37,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:37,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:37,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:39:37,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:37,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 06:39:37,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:37,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:39:37,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:37,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:39:37,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:37,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:39:37,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:37,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:37,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:37,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:39:37,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:37,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:39:37,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:37,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:39:37,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:37,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:39:37,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:37,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:39:37,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:37,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:37,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:37,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:39:37,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:37,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:39:37,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:37,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:39:37,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:37,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:39:37,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:37,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:39:37,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:37,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:37,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:37,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 06:39:37,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:37,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:39:37,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:37,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:39:37,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:37,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 06:39:37,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:37,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 06:39:37,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:37,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:37,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:37,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 06:39:37,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:37,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 06:39:37,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:37,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:39:37,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:39:37,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 06:39:37,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:38,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 06:39:38,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:38,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:38,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:38,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-27 06:39:38,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:38,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 06:39:38,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:38,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:38,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-27 06:39:38,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:38,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:38,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:39:38,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:38,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:38,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:38,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:38,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:38,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:39:38,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:38,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:38,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:38,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:38,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:38,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:39:38,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:38,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:38,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:38,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:38,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:38,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:39:38,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:38,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:38,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:38,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:38,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:38,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:39:38,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:38,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:38,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:38,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:38,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:38,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:39:38,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:38,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:38,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:38,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:38,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:38,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:39:38,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:38,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:38,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:38,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:38,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:38,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:38,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:38,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:38,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:38,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:38,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:38,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:39:38,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:38,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:38,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:38,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:38,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:38,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:39:38,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:38,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:38,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:38,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:38,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:38,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:39:38,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:38,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:38,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:38,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:38,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:38,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:39:38,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:38,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:38,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:38,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:38,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:38,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:39:38,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:38,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:38,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:38,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:38,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:38,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:39:38,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:38,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:38,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:38,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:38,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:38,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:39:38,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:38,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:38,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:38,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:38,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:38,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:38,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:38,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:38,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:38,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:38,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:38,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:39:38,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:38,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:38,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:38,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:38,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:38,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:38,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:38,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:38,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:38,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:38,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:38,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-27 06:39:38,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:38,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:38,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:38,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 06:39:38,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:38,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:39:38,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:38,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:38,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-27 06:39:38,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:38,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:38,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-27 06:39:38,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:38,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:38,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:38,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:39:38,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:38,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:38,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:38,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:38,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:39:38,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:38,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:38,128 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 06:39:38,128 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1609295765] [2020-10-27 06:39:38,128 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:39:38,128 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 06:39:38,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102992319] [2020-10-27 06:39:38,129 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 06:39:38,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:39:38,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 06:39:38,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-27 06:39:38,130 INFO L87 Difference]: Start difference. First operand 1149 states and 1525 transitions. Second operand 9 states. [2020-10-27 06:39:38,694 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-27 06:39:38,887 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-27 06:39:39,183 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-27 06:39:43,792 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-27 06:39:49,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:39:49,096 INFO L93 Difference]: Finished difference Result 3044 states and 4253 transitions. [2020-10-27 06:39:49,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 06:39:49,098 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 177 [2020-10-27 06:39:49,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:39:49,109 INFO L225 Difference]: With dead ends: 3044 [2020-10-27 06:39:49,110 INFO L226 Difference]: Without dead ends: 1921 [2020-10-27 06:39:49,115 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2020-10-27 06:39:49,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1921 states. [2020-10-27 06:39:49,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1921 to 1330. [2020-10-27 06:39:49,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1330 states. [2020-10-27 06:39:49,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 1330 states and 1733 transitions. [2020-10-27 06:39:49,434 INFO L78 Accepts]: Start accepts. Automaton has 1330 states and 1733 transitions. Word has length 177 [2020-10-27 06:39:49,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:39:49,435 INFO L481 AbstractCegarLoop]: Abstraction has 1330 states and 1733 transitions. [2020-10-27 06:39:49,435 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 06:39:49,435 INFO L276 IsEmpty]: Start isEmpty. Operand 1330 states and 1733 transitions. [2020-10-27 06:39:49,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-27 06:39:49,438 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:39:49,438 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] [2020-10-27 06:39:49,438 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 06:39:49,438 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:39:49,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:39:49,439 INFO L82 PathProgramCache]: Analyzing trace with hash 1534144634, now seen corresponding path program 1 times [2020-10-27 06:39:49,439 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:39:49,439 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1568641206] [2020-10-27 06:39:49,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:39:49,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:49,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:49,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:49,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:49,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:49,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:49,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:50,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:50,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:50,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:50,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:50,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:50,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:50,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:50,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:50,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:52,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:52,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:53,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:54,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:54,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-27 06:39:54,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-27 06:39:54,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 06:39:54,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:54,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:39:54,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:39:54,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-27 06:39:54,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:54,972 WARN L193 SmtUtils]: Spent 477.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-27 06:39:54,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:39:54,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:54,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:54,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:54,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:39:54,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:54,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 06:39:54,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:54,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:39:54,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:54,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:39:54,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:55,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:39:55,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:55,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:55,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:55,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:39:55,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:55,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:39:55,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:55,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:39:55,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:55,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:39:55,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:55,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:39:55,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:55,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:55,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:55,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:39:55,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:55,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:39:55,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:55,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:39:55,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:55,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:39:55,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:55,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:39:55,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:55,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:55,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:55,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 06:39:55,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:55,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:39:55,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:55,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:39:55,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:55,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 06:39:55,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:55,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 06:39:55,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:55,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:55,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:55,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 06:39:55,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:55,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 06:39:55,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:55,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:39:55,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:39:55,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 06:39:55,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:55,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 06:39:55,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:55,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:55,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:55,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-27 06:39:55,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:55,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 06:39:55,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:55,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:55,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-27 06:39:55,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:55,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:55,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:39:55,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:55,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:55,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:55,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:55,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:55,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:39:55,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:55,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:55,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:55,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:55,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:55,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:39:55,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:55,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:55,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:55,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:55,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:55,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:55,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:55,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:55,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:55,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:55,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:55,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:39:55,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:55,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:55,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:55,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:55,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:55,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:55,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:55,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:55,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:55,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:55,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:55,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:39:55,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:55,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:55,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:55,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:55,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:55,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:55,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:55,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:55,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:55,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:55,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:55,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:39:55,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:55,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:55,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:55,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:55,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:55,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:55,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:55,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:55,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:55,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:55,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:55,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:39:55,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:55,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:55,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:55,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:55,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:55,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:39:55,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:55,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:55,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:55,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:55,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:55,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:39:55,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:55,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:55,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:55,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:55,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:55,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:55,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:55,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:55,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:55,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:55,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:55,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:39:55,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:55,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:55,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:55,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:55,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:55,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:55,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:55,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:55,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:55,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:55,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:55,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:39:55,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:55,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:55,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:55,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:55,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:55,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:55,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:55,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:55,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:55,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:55,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:55,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-27 06:39:55,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:55,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:55,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:55,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 06:39:55,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:55,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:39:55,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:55,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:55,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-27 06:39:55,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:55,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:55,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-27 06:39:55,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:55,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:55,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:55,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:39:55,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:55,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:55,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:55,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:55,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:39:55,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:55,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:55,406 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 06:39:55,406 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1568641206] [2020-10-27 06:39:55,407 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:39:55,407 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 06:39:55,407 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134675248] [2020-10-27 06:39:55,407 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 06:39:55,407 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:39:55,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 06:39:55,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-27 06:39:55,408 INFO L87 Difference]: Start difference. First operand 1330 states and 1733 transitions. Second operand 9 states. [2020-10-27 06:39:55,968 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-27 06:39:56,160 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-27 06:39:56,442 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-27 06:40:04,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:40:04,554 INFO L93 Difference]: Finished difference Result 3225 states and 4366 transitions. [2020-10-27 06:40:04,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 06:40:04,555 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 177 [2020-10-27 06:40:04,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:40:04,563 INFO L225 Difference]: With dead ends: 3225 [2020-10-27 06:40:04,564 INFO L226 Difference]: Without dead ends: 1921 [2020-10-27 06:40:04,568 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2020-10-27 06:40:04,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1921 states. [2020-10-27 06:40:04,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1921 to 1330. [2020-10-27 06:40:04,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1330 states. [2020-10-27 06:40:04,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 1330 states and 1727 transitions. [2020-10-27 06:40:04,881 INFO L78 Accepts]: Start accepts. Automaton has 1330 states and 1727 transitions. Word has length 177 [2020-10-27 06:40:04,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:40:04,881 INFO L481 AbstractCegarLoop]: Abstraction has 1330 states and 1727 transitions. [2020-10-27 06:40:04,881 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 06:40:04,882 INFO L276 IsEmpty]: Start isEmpty. Operand 1330 states and 1727 transitions. [2020-10-27 06:40:04,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-27 06:40:04,884 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:40:04,884 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] [2020-10-27 06:40:04,884 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 06:40:04,884 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:40:04,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:40:04,885 INFO L82 PathProgramCache]: Analyzing trace with hash 599348342, now seen corresponding path program 1 times [2020-10-27 06:40:04,885 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:40:04,885 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1264737828] [2020-10-27 06:40:04,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:40:04,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:04,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:04,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:05,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:05,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:05,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:05,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:05,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:05,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:05,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:05,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:05,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:05,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:05,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:05,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:07,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:07,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:09,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:09,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:09,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-27 06:40:09,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-27 06:40:09,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-27 06:40:09,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:09,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:40:09,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:40:09,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-27 06:40:09,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:10,443 WARN L193 SmtUtils]: Spent 484.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-27 06:40:10,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:40:10,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:10,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:10,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:10,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:40:10,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:10,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 06:40:10,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:10,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:40:10,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:10,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:40:10,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:10,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:40:10,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:10,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:10,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:10,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:40:10,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:10,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:40:10,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:10,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:40:10,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:10,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:40:10,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:10,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:40:10,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:10,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:10,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:10,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:40:10,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:10,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:40:10,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:10,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:40:10,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:10,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:40:10,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:10,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:40:10,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:10,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:10,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:10,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 06:40:10,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:10,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:40:10,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:10,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:40:10,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:10,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 06:40:10,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:10,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 06:40:10,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:10,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:10,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:10,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 06:40:10,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:10,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 06:40:10,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:10,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:40:10,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:40:10,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 06:40:10,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:10,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 06:40:10,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:10,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:10,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:10,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-27 06:40:10,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:10,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 06:40:10,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:10,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:10,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-27 06:40:10,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:10,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:10,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:40:10,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:10,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:10,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:10,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:10,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:10,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:40:10,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:10,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:10,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:10,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:10,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:10,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:40:10,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:10,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:10,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:10,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:10,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:10,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:40:10,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:10,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:10,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:10,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:10,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:10,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:40:10,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:10,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:10,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:10,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:10,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:10,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:40:10,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:10,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:10,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:10,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:10,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:10,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:40:10,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:10,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:10,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:10,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:10,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:10,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:40:10,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:10,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:10,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:10,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:10,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:10,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:40:10,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:10,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:10,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:10,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:10,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:10,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:40:10,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:10,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:10,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:10,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:10,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:10,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:40:10,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:10,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:10,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:10,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:10,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:10,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:40:10,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:10,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:10,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:10,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:10,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:10,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:40:10,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:10,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:10,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:10,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:10,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:10,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:40:10,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:10,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:10,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:10,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:10,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:10,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:40:10,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:10,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:10,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:10,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:10,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:10,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:40:10,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:10,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:10,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:10,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:10,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:10,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:40:10,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:10,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:10,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:10,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:10,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:10,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:40:10,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:10,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:10,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:10,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:10,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:10,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-27 06:40:10,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:10,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:10,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:10,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 06:40:10,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:10,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 06:40:10,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:10,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:10,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-27 06:40:10,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:10,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:10,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-27 06:40:10,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:10,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:10,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:10,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:40:10,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:10,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:40:10,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:10,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:10,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:40:10,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:10,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:10,894 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 06:40:10,895 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1264737828] [2020-10-27 06:40:10,895 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:40:10,895 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 06:40:10,895 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902973500] [2020-10-27 06:40:10,896 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 06:40:10,896 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:40:10,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 06:40:10,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-27 06:40:10,897 INFO L87 Difference]: Start difference. First operand 1330 states and 1727 transitions. Second operand 9 states. [2020-10-27 06:40:11,439 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-27 06:40:11,643 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-27 06:40:11,930 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-27 06:40:15,995 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-27 06:40:20,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:40:20,140 INFO L93 Difference]: Finished difference Result 3486 states and 4761 transitions. [2020-10-27 06:40:20,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 06:40:20,141 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 177 [2020-10-27 06:40:20,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:40:20,152 INFO L225 Difference]: With dead ends: 3486 [2020-10-27 06:40:20,152 INFO L226 Difference]: Without dead ends: 2182 [2020-10-27 06:40:20,157 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2020-10-27 06:40:20,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2182 states. [2020-10-27 06:40:20,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2182 to 1531. [2020-10-27 06:40:20,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1531 states. [2020-10-27 06:40:20,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1531 states to 1531 states and 1955 transitions. [2020-10-27 06:40:20,495 INFO L78 Accepts]: Start accepts. Automaton has 1531 states and 1955 transitions. Word has length 177 [2020-10-27 06:40:20,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:40:20,496 INFO L481 AbstractCegarLoop]: Abstraction has 1531 states and 1955 transitions. [2020-10-27 06:40:20,496 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 06:40:20,496 INFO L276 IsEmpty]: Start isEmpty. Operand 1531 states and 1955 transitions. [2020-10-27 06:40:20,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-27 06:40:20,498 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:40:20,498 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] [2020-10-27 06:40:20,499 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 06:40:20,499 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:40:20,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:40:20,499 INFO L82 PathProgramCache]: Analyzing trace with hash -1527565198, now seen corresponding path program 1 times [2020-10-27 06:40:20,499 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:40:20,500 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1982311119] [2020-10-27 06:40:20,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:40:20,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:20,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:20,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:20,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:20,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:20,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:20,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:20,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:20,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:20,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:20,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:20,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:21,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:21,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:22,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:22,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:23,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:25,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:25,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-27 06:40:25,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-27 06:40:25,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-27 06:40:25,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:25,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:40:25,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:40:25,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-27 06:40:25,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:26,096 WARN L193 SmtUtils]: Spent 524.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-27 06:40:26,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:40:26,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:26,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:26,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:26,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:40:26,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:26,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 06:40:26,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:26,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:40:26,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:26,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:40:26,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:26,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:40:26,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:26,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:26,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:26,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:40:26,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:26,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:40:26,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:26,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:40:26,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:26,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:40:26,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:26,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:40:26,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:26,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:26,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:26,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:40:26,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:26,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:40:26,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:26,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:40:26,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:26,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:40:26,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:26,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:40:26,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:26,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:26,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:26,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 06:40:26,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:26,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:40:26,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:26,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:40:26,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:26,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 06:40:26,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:26,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 06:40:26,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:26,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:26,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:26,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 06:40:26,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:26,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 06:40:26,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:26,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:40:26,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:40:26,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 06:40:26,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:26,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 06:40:26,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:26,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:26,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:26,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-27 06:40:26,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:26,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 06:40:26,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:26,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:26,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-27 06:40:26,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:26,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:26,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:40:26,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:26,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:26,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:26,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:26,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:26,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:40:26,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:26,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:26,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:26,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:26,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:26,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:40:26,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:26,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:26,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:26,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:26,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:26,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:40:26,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:26,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:26,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:26,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:26,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:26,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:40:26,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:26,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:26,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:26,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:26,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:26,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:40:26,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:26,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:26,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:26,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:26,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:26,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:40:26,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:26,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:26,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:26,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:26,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:26,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:40:26,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:26,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:26,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:26,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:26,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:26,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:40:26,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:26,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:26,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:26,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:26,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:26,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:40:26,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:26,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:26,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:26,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:26,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:26,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:40:26,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:26,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:26,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:26,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:26,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:26,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:40:26,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:26,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:26,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:26,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:26,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:26,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:40:26,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:26,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:26,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:26,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:26,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:26,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:40:26,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:26,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:26,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:26,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:26,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:26,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:40:26,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:26,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:26,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:26,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:26,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:26,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:40:26,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:26,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:26,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:26,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:26,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:26,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:40:26,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:26,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:26,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:26,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:26,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:26,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:40:26,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:26,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:26,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:26,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:26,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:26,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-27 06:40:26,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:26,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:26,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:26,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 06:40:26,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:26,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:40:26,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:26,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:26,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-27 06:40:26,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:26,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:26,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-27 06:40:26,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:26,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:26,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:26,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:40:26,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:26,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:40:26,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:26,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:26,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:40:26,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:26,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:26,560 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 06:40:26,560 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1982311119] [2020-10-27 06:40:26,560 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:40:26,560 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-27 06:40:26,561 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195814545] [2020-10-27 06:40:26,561 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 06:40:26,561 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:40:26,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 06:40:26,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-27 06:40:26,562 INFO L87 Difference]: Start difference. First operand 1531 states and 1955 transitions. Second operand 10 states. [2020-10-27 06:40:27,177 WARN L193 SmtUtils]: Spent 551.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-27 06:40:27,382 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-27 06:40:27,697 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-27 06:40:28,042 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2020-10-27 06:40:32,545 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-27 06:40:33,022 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-27 06:40:39,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:40:39,829 INFO L93 Difference]: Finished difference Result 4050 states and 5541 transitions. [2020-10-27 06:40:39,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 06:40:39,831 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 177 [2020-10-27 06:40:39,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:40:39,845 INFO L225 Difference]: With dead ends: 4050 [2020-10-27 06:40:39,845 INFO L226 Difference]: Without dead ends: 2545 [2020-10-27 06:40:39,851 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=123, Invalid=297, Unknown=0, NotChecked=0, Total=420 [2020-10-27 06:40:39,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2545 states. [2020-10-27 06:40:40,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2545 to 1732. [2020-10-27 06:40:40,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1732 states. [2020-10-27 06:40:40,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1732 states to 1732 states and 2179 transitions. [2020-10-27 06:40:40,273 INFO L78 Accepts]: Start accepts. Automaton has 1732 states and 2179 transitions. Word has length 177 [2020-10-27 06:40:40,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:40:40,273 INFO L481 AbstractCegarLoop]: Abstraction has 1732 states and 2179 transitions. [2020-10-27 06:40:40,273 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 06:40:40,273 INFO L276 IsEmpty]: Start isEmpty. Operand 1732 states and 2179 transitions. [2020-10-27 06:40:40,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-27 06:40:40,275 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:40:40,275 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] [2020-10-27 06:40:40,275 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-27 06:40:40,275 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:40:40,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:40:40,276 INFO L82 PathProgramCache]: Analyzing trace with hash 934029166, now seen corresponding path program 1 times [2020-10-27 06:40:40,276 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:40:40,276 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1878460544] [2020-10-27 06:40:40,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:40:40,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:40,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:40,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:40,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:40,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:40,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:40,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:40,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:40,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:40,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:40,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:40,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:41,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:42,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:42,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:43,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking...